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Heating, Air Conditioning, Fridge, HVAC/Questions Answered by Expert Marcus

SubjectDate Asked
Cooling is different with new thermostat8/9/2011
  Q: Recently replaced thermostat due to it suddenly not wanting to turn on and at random times it ...
  A: Liza, Your thermostat is basically just a heat sensitive switch . All it does is turn the ...
Window A/C Air Stinks of Mold7/31/2011
  Q: My window a/c air that is being blown in has made my entire downstairs stink of mold. The closer ...
  A: Shelley, Try to find a company that services wall units . Wall units have a pan that ...
nordyne a/c 7/26/2011
  Q: I have a brand new 13+ seer 4 ton nordyne spit a/c, furnice. It's only 3 years old and I've had to ...
  A: Donna, The run capacitor is the most common repair we do . It is the weak link in the ...
Ac drain pan overflow in heat pump system7/17/2011
  Q: what would cause the AC drain pan in the air handler to overflow?/ We have a split system heat ...
  A: Susan, If the unit is cooling ok , it could simply be a restricted drain line . The line that ...
central a/c st pete6/9/2011
  Q: When I set the interior switch on the a/c to " Fan on" it blows air through my registers. However, ...
  A: It sounds like the dual run capacitor is defective or the compressor itself my be locked up . The ...
refrigeration lines st pete6/8/2011
  Q: A homeowner in our complex was told that her outside condenser unit for her central A/C has to be ...
  A: Sandy, Its probably R 410 that the system is being changed to . Its actually the oil in the ...
Compressor repair st pete3/29/2011
  Q: My ac is about 7 years old . My compressor needs to replaced . I was told that I should consider ...
  A: You may want to consider replacing the entire unit at this point . The compressor is the most ...
Exterior a/c fan motor replacement st pete11/13/2010
  Q: My motor went bad on the Bryant unit outside. It's GE motor and I don't a run cap anywhere for it ...
  A: Sean, If you follow the wiring from the existing motor - it does come back to a run capacitor ...
Ice machine repair clearwater11/10/2010
  Q: I have a Hoshizaki ice machine at my restaurant , it was working great yesterday but today it ...
  A: I apologize for my delay in answering your question . Hoshizaki makes a nice machine . The beeping ...
old equipment - clearwater11/9/2010
  Q: .i have a york diamond 80 furance here, and an ac compressor of course. now this is 22 years old. ...
  A: James, The higher the seer rating - the more efficient the system is . To qualify for the $ ...
old equipment - clearwater11/8/2010
  Q: .i have a york diamond 80 furance here, and an ac compressor of course. now this is 22 years old. ...
  A: James, $ 1800 does not sound excessive . Your equipment is defiantly at the end of its life ...
intertherm e1eh-015ha11/6/2010
  Q: when fan switch is in auto will not run but will run in on position. have replaced ...
  A: Donald, If the fan runs when switched on - that means the circuit is ok . Your thermostat is ...
central ac11/3/2010
  Q: My r22 coil has gone out on my ac and I have to get it replaced or get a whole new system. I am ...
  A: Danny, Payne is an ok brand - the equipment itself is cheap to purchase for the contractor . ...
Buying HVAC Clearwater11/1/2010
  Q: I'm trying to compare Maytag IQ - 21 SEERs (3 ton and 5[or 4.18]ton to Trane 20i - 20 SEERs(3 tone ...
  A: Jerry, The Maytag IQ is a nice system - the contractor needs to be qualified to install . ...
Carrier Air Hander w/electric Heat10/31/2010
  Q: Last spring we had a lighting strike that fried the thermostat. Replaced thermostate and all was ...
  A: Mark, Its not your transformer , and I wouldn't oversize the fuse - you run the risk of taking ...
A/C unit to Heat Pump8/5/2010
  Q: The in-law apartment attached to our house has central air with a Carrier outside unit. The air ...
  A: Robert, You get pretty cold up there . A heat pump starts losing efficiency below 40 degrees ...
getting warm air from a/c - a/c repair st pete,clearwater,largo8/5/2010
  Q: I have an older heat pump that started blowing warm air. I discovered that a wire had melted at its ...
  A: Paul, Yes this is used is used when the compressor starts to give it a boost at start up . If ...
difference between stage motors for air conditioners8/4/2010
  Q: My home is 2300 sq. ft. I am replacing a 3 ton unit that does not cool my entire home have hot and ...
  A: Doris, A staged 4 ton unit still has less capacity than a 5 ton unit . Staged equipment - ...
ICP Ac Unit - A/c repair st pete8/3/2010
  Q: EBP3000B2 Model # I am not getting 24 V to the thermostat I Checked the Transformer and the control ...
  A: JB, It is probably wired to your safety overflow switch . Depending on how your air handler is ...
Acid Wash - st pete -largo-clearwater uv light8/3/2010
  Q: Twice a year I have my air conditioning unit cleaned and inspected in an attempt to keep it running ...
  A: George, The evaporator coil is usually cleaned in place , again it has to be accessed from ...
AC only turns on at night8/2/2010
  Q: We have a heat pump system and recently installed a new thermostat. Everything was working fine ...
  A: Quynh, If your certain you dont have a programmable thermostat , I'm guessing a poor contact ...
a/c problem clearwater8/1/2010
  Q: i have a simply comfort commercial a/c unit.... the problem im having is the a/c compressor ...
  A: Art, Yes , it sounds like the condensing unit contactor could be sticking . If so you need to ...
Loud noise when unit shuts off.8/1/2010
  Q: I bought a new Tempstar (ICP) commercial grade AC unit (model # pymc42g6) with heat pump about 6 ...
  A: Chris, I think it probably you condenser fan blade or may be even your blower wheel . Stand ...
Acid Wash - st pete -largo-clearwater uv light7/31/2010
  Q: Twice a year I have my air conditioning unit cleaned and inspected in an attempt to keep it running ...
  A: George, You are correct in the residue is natural accumulation . The biggest benefit you get ...
Duct work repair st pete7/29/2010
  Q: Is there any advantage to "top down" cooling? (unit in the attic with compressor outside) My ...
  A: Cliff, Yes , top down with 2 floors works nice . Your unit generates about 1400 cfm total . ...
air handler st pete7/28/2010
  Q: I have a Carrier heat pump (FX4BNF036). I have had a regular check done on it by a local technician. ...
  A: Steven, No don't replace the motor . A motor if pulling over the rated amount of amps ...
outside unit won't run largo7/27/2010
  Q: My A/C unit outside just quit turning on. The inside fan is blowing but the outside is just making a ...
  A: Chase, It sounds like the dual capacitor is defective . The capacitor helps both the compressor ...
Inside Air Handler making funny noise clearwater7/27/2010
  Q: At the beginning of July I had my A/C unit maintenance. Vents, ducts and coils were cleaned and ...
  A: Deshea, I live in Florida too . I would guess that your drain line is restricted . The ...
Trane XE80 blower is making chattering noise st pete7/27/2010
  Q: My Trane XE80 has been making some noise from the blower. It was somewhat intermittent at first and ...
  A: Reggie, It could also be a relay . The chatter is usually cause from the voltage being low ...
ac repair st pete7/26/2010
  Q: do you have to replace the air handler etc when the outside unit is replaced ac/heat pump unit ...
  A: Marjorie, No , but production on R -22 refrigerant equipment was discontinued at the first ...
humidity problem with ac7/26/2010
  Q: I have an older version unit that is attached to an electrical heating unit. It cools very well but ...
  A: Vanessa, The only way to remove humidity from the air is to condense it . A fan modulator ...
Tapping noise when cooling in heat pump system7/26/2010
  Q: I live in a 2 story townhome with a Tappan heat pump system. The outside unit is right under my ...
  A: Allison, I think it may be your refrigerant lines( the refrigerant in the lines) causing ...
heat pump (ac part) cutting on and off7/25/2010
  Q: cooling but cutting on and off every 15 seconds. armstrong 12 seer about 15 years old. it is in the ...
  A: Autumn, It sounds like it may be shutting off on a safety switch . A safety shuts off the ...
Ice machine repair st pete7/24/2010
  Q: My ice machine isn't producing as much ice as it use to . Is there any thing I can check that could ...
  A: Wally, Yes , usually on a commercial machine there is usually a pressure gauge on the water ...
wiring for condenser motor (replacement)7/23/2010
  Q: My condenser motor died and i purchased a replacement. the old motor was a 1/3 hp AO Smith with 3 ...
  A: Raymond, Wire the black and white to L1 and L2 the brown and the brown with the stripe go ...
is 3.5 tons ok to cool 2 floors ?7/23/2010
  Q: I live in an older stone split level home (70-80 yrs.old) I want to put in central A/C (no ducts, I ...
  A: Cliff, An approximate of 600 sq ft per ton of cooling . If your house is 70 to 80 years old I ...
Reurn Air Ducts7/22/2010
  Q: I'm building a new 2story home. In the master bedroom the return air duct is 2 feet from the supply ...
  A: Tom, There is no standard but it logical that supply air is not immediately being sucked into ...
AC7/22/2010
  Q: We have a 1955 ranch home with a HVAC for probably the 70's it is using around 3000 kilowatts per ...
  A: William, There is alot of variables but today's best air conditioners use 30%–50% less ...
Air Handler Barely Blowing7/22/2010
  Q: My Air Handler is also barely blowing. I saw your answer to Carry's question so believe my coil may ...
  A: Brad , To access the evaporator coil you need to check where to return air flow enters the air ...
AC7/22/2010
  Q: I just purchased a used A/C unit. I was told it was a 2 and 1/2 ton, but believe it is only a 2 ...
  A: Melissa, There are alot of variables involved in sizing a unit , correctly charging a system ...
central air7/20/2010
  Q: my carrier weather maker 9200 is freezing up outside. it seems like it stops blowing inside and then ...
  A: Carrie, The unit is likely low on refrigerant or the evaporator coil is restricted (dirty) . ...
Choice of ductless AC system7/18/2010
  Q: I will be replacing my AC thru-the-wall units with a ductless Mitsubishi system. I have a cottage ...
  A: Marcelo, I would install 2 separate units . We did a similar type of set up recently . The ...
GOODMAN 410 RESIDENTIAL SPLIT SYSTEM7/17/2010
  Q: Installed a Goodman R410 system 2 yrs ago, all worked great. This year we had a cracked condensation ...
  A: Tim , Remember when you charge a system you have to compensate for the existing heat load . If ...
Cooling7/15/2010
  Q: I need you to settle an argument I have been having with my wife. She believes that if she wants the ...
  A: The thermostat is basically just a heat sensitive switch . When the ac is running it operates at ...
duct retrofit7/7/2010
  Q: We currently have a 3.5 ton AC unit that needs to be replaced. All contractors said we only need a ...
  A: Karen , True , The duct work system is designed to maintain a certain static pressure to ...
replacing residential HVAC5/2/2010
  Q: I'm going to replace my 16 yr old HVAC system. 40 yr old home, about 3000sf; one zone for 2 floors ...
  A: Tom , If you plan on choosing a high efficiency unit make sure your house is able to support ...
size of central air conditioner5/2/2010
  Q: Replacing my 25 year old, 2 1/2 ton a.c. Since they no longer make 2 1/2 ton A/Cs, one contractor ...
  A: Bill, 2 1/2 ton ac's are still available depending on the brand and efficiency level of the ...
Trane XR-11 heatpump5/2/2010
  Q: We just recently had our compressor replaced and our heat pump serviced. It has worked fine until ...
  A: Mike, It is probably unrelated . It is a separate circuit entirely . If the heat pump is " ...
Condenser Fan Stops after 10 minutes5/1/2010
  Q: i have a 9 year old Rheem heat pump. I noticed that the condenser fan was not running. I shut it ...
  A: Jorge, As long as the capacitor and voltage are correct it likely the bearings on the motor ...
Thru the wall unit4/26/2010
  Q: Sorry but this one may be beneath you. I just moved into a condo that used to have thru the wall Air ...
  A: Dan, Yes you could place a unit in the shell - you must make sure the condenser on the back ...
Heat Pump4/26/2010
  Q: I'm an A/C and refrigeration service tech and I've just replaced a 3 phase scroll compressor in a 4 ...
  A: Nick, I would just manually shift the valve at the unit ( de-energizing the valve at the ...
what size heating and air conditioning4/26/2010
  Q: I am having a home built in Nashville TN. IT is a 4010 sq. ft. home. It is all brick with an ...
  A: Dan, You will need multiple systems . A ball park figure is 600sq ft per ton of cooling( about 7 ...
Air Handling Unit4/25/2010
  Q: My AHU has a drip pan which is filled with water and it shut off my a/c last night (it has a float ...
  A: KS, Depending how your set up - clear the line or the pan the float switch is in to start your ...
Window AC -- coils freezing4/24/2010
  Q: I have a recent model Samsung 8,000 BUT AC. I bought this brand because my neighbour has a Samsung ...
  A: Sorry for the delay - The condensate pan sits inside the metal shell of the unit . Because the unit ...
Window AC -- coils freezing4/23/2010
  Q: I have a recent model Samsung 8,000 BUT AC. I bought this brand because my neighbour has a Samsung ...
  A: Marie, I think the design your unit has does make it more efficient but this can actually ...
freon gas container4/21/2010
  Q: Our company in Mongolia is a mining company. There are many heavy duty equipment and we do ...
  A: Ariunaa, You need to check local ordinances . We break the stem off and if you notice ...
Replacing Thermostat4/20/2010
  Q: I am trying to replace a thermostat (no name brand on the unit); I plan on installing the Lux TX ...
  A: Iris, It is likely either a poor connection or your safety overflow switch may be breaking ...
a/c4/19/2010
  Q: I have a 5 year-old Carrier,10 seer,2-ton central air unit with 6 vents.The registers sweat and have ...
  A: Leslie, The dirty evaporator coil can cause the air flow to be restricted which can actually ...
no condensation from central air unit4/16/2010
  Q: We have an electric central air/heat pump in our two story town home. It is on it's final leg and ...
  A: Kelly, The filter is not your problem ( although a dirty filter can cause the evaporator to ...
Replacing Thermostat4/12/2010
  Q: I am trying to replace a thermostat (no name brand on the unit); I plan on installing the Lux TX ...
  A: Iris, The red wire can be wired to either the RC (red cool) or RH (red heat) as long as the ...
HVAC evap coil leak4/12/2010
  Q: I own a Trane TWE060C15FCO unit. The condenser was replaced about 5 years ago. the evap coil has ...
  A: John , Usually the leak is on the U - bends of the evaporator coil . It can be fixed but it ...
Ac repair clearwater4/11/2010
  Q: Is it really beneficial to have my system tuned up every year ?
  A: Susan, Yes , Most companies charge a reasonable fee to come out and inspect your system . The ...
How do you amp out a compressor3/31/2010
  Q: When a compressor overamps do you add up your start, run, and common (S: 5 R: 9 C: 10 = 24) amps or ...
  A: Josh , You can check the resistance between terminals on a single phase compressor and they ...
Heat Pump install3/27/2010
  Q: I'm planning on installing a heat pump in my home, i'm switching from baseboard heat. It's a 2000 sf ...
  A: Ted, You really need to have a heat load calculation in you home to determine the proper sized ...
Where to place an air filter in an Intertherm Furnace3/26/2010
  Q: I own a modular home and when I moved in there was no air filter in the furnace thing...(sorry I ...
  A: April, The pics you sent - is actually insulation on the interior of the equipment - not ...
Heat Pump only using Aux Heat3/24/2010
  Q: I recently had a contractor come in to remodel my washroom (where my Heat Pump is located) and ended ...
  A: Anthony, Your condensate pump should have a safety overflow safety switch on it . What this ...
Resealing old fiberglass ductwork3/23/2010
  Q: I hope you can help me out with some advice. I live in Texas, in an old condo. The ductwork is ...
  A: Michael, Yes there are products that can be applied to the interior of duct work to seal ...
compressor installed in basement3/22/2010
  Q: I am part of a coop in montauk ny a seasonal resort opened from april 1 to nov 1 and the board is ...
  A: Mitchell, 13 seer is fine it is an efficient unit . The condensing unit is designed to be ...
Having problems with Thermostat Installation3/21/2010
  Q: I am writing you today to see if you could help me with an electrical problem I am having with ...
  A: Nathan , You look like you have the wiring correct . The thermostat you have can be used on ...
Pistons & TXVs3/19/2010
  Q: I have a leak in my 2 yr old Lennox 13 Seer unit A/C / Heat pump system. All the refrigerant is ...
  A: Curtis, You are right - a txv does make the system more efficient because it modulates ...
Ac repair st pete3/19/2010
  Q: Marcus, I have a question about ac repair in st pete. I want to upgrade my system . Should I ...
  A: Sammy, Its usually a good idea to change the refrigerant line set when you install a new ...
Motor and belts3/17/2010
  Q: I have motor rated @ 16 amps. when I put a clamp meter on it it reads 7.5 to 8.2 without the belt, ...
  A: Will, The motor should be checked when you have the greatest load on it - which is with the ...
Air conditioning3/17/2010
  Q: I want to move the main compressor unit and tubing to the other side of the house. The new location ...
  A: Joe, Yes , but its a little more involved than that . If you are totally unfamiliar with the ...
Change copper A/C lines?3/14/2010
  Q: I am about to replace 2 of my home central heat pump units that use R22. One is a complete change ...
  A: Bruce, R-410 systems uses a different oil than the R-22 systems . The residual oil is what ...
Relocating a split AC/HTG unit3/13/2010
  Q: This is one of those newer one room (Quiet Side) 9000BTU cooling and heating units that I want to ...
  A: Jim, Yes , just as you described . Pump the system down and isolate into the condensing unit . ...
Which central ac units should I go with3/13/2010
  Q: Ok, so I am on a budget and looking at 15 seer units (although) trying to see if I can afford higher ...
  A: Deven, Unless your bungalow is thoroughly insulated , has modern windows ect. . I would not ...
A/C compressor replacement3/12/2010
  Q: We have a 7 year old Lennox (Merit series w/ 5 year warranty) that died on us last month. 4 months ...
  A: Jo, I hate to see people pressured into sales like this . Send me the model and serial number of ...
air cond3/11/2010
  Q: I'm working on a coleman split unit. the problem is when you apply power to the compressor unit ...
  A: Bob, I think you are correct in suspecting the dual capacitor . You should be able to buy one at ...
lennox heat pump2/27/2010
  Q: my heat pump keeps blowing circuit breaker in fuse panel after unit kicks on after about 5 minutes ...
  A: Scott, When your air handler alone runs ( blower motor only ) it only pull a couple of amps . ...
Using existing refrigerange lines with new air handler2/26/2010
  Q: I just replaced a 24 year old air handler an compressor, but the existing refrigerant lines were not ...
  A: Maggie, If your equipment was that old its likely with the newer high efficiency unit it ...
St. Pete Ac Repair2/23/2010
  Q: I am having a hard time finding a filter that will fit my ac unit .Do you know where I could buy a ...
  A: Bobby, Make sure you have an accurate measurement , most common sizes are available at the ...
suction line ice2/21/2010
  Q: i installed a 2 ton split.cond. was a rheem and and a/h was a gibson. on start up my suction line ...
  A: Anthony, You have a missed matched system are you sure the air handler is compatible with R ...
Blower always on2/19/2010
  Q: I have a Heil electric heat pump unit (Model # NFCP6000D2) with the electric heater accessory ...
  A: Robert, If that's the case then again the relay board/heat relay my be bad (again)or the ...
Programmable thermostat wiring issues2/19/2010
  Q: I replaced my old thermostat and humidistat with a White Rodgers 1F95-1291 Programmable Thermostat ...
  A: Brad , So you put both wires that were on the old humidistat terminals to "hm" and "c" on the ...
Programmable thermostat wiring issues2/19/2010
  Q: I replaced my old thermostat and humidistat with a White Rodgers 1F95-1291 Programmable Thermostat ...
  A: Brad, Your humidistat simply breaks the voltage ( 24 v ) to the solenoid coil , the common ...
intertherm heat pump2/11/2010
  Q: I have an intertherm heat pump in my doublewide and it has a red wire and white wire that runs to ...
  A: Frank, If the unit comes on in cool we know the compressor contactor is ok . For what ever ...
Thermostat fuse blowing2/10/2010
  Q: I HAVE A CARRIER MODEL# FB4ANF024 ELECTRIC FURNACE PRODUCT# FB4ANF02400AEAA S/N 3996A22709 THE ...
  A: Tim , The fan limit , thermal overload , are not considered an electrical load because they ...
Oldsmar Heat Pump2/10/2010
  Q: Marcus , It has been pretty cold down here in Florida . I have a Heat pump system . I noticed ...
  A: Goerge, If it is cold enough outside - the heat pump automatically will cycle into defrost . ...
Thermostat fuse blowing2/9/2010
  Q: I HAVE A CARRIER MODEL# FB4ANF024 ELECTRIC FURNACE PRODUCT# FB4ANF02400AEAA S/N 3996A22709 THE ...
  A: Tim, The fuse that blows is on the low voltage side - 24 volts - . If you have a standard 40 va ...
Water and Ice Dispenser2/9/2010
  Q: I purchased a refrigerator with a water and ice dispenser. I would like to know will I need ...
  A: Fred , Usually the water is picked up off the nearest water source ( under the kitchen sink , ...
attic unit2/6/2010
  Q: the blower on the attic unit quit, the squirl cage spins easily and my husband tried to replace the ...
  A: Goldie, The capacitor is a common problem with electric motors . Make sure the capacitor ...
return air filter location2/4/2010
  Q: I have just rented a home that has been installed with a new electric Payne heat/cool pump unit. I ...
  A: Mary, When you air handler is running do you feel air pulling in through the vented closet ...
baseboard hot water heat system2/4/2010
  Q: Will regular foam pipe insulation work to insulate the supply pipes for my baseboard hot water ...
  A: Gene , The best type of insulation for your pipes is a closed cell insulation . The insulation ...
Heating1/18/2010
  Q: We have a Trane XE 1000 Model TRW060D100A1, the indoor unit is mode TWE060D150B0. We have a ...
  A: Anita, The air handler(inside unit) usually will stay on for a short period of time after the ...
St Pete Ac Repair1/13/2010
  Q: We have had rally cold weather recently . Our heat pump seems to ice up on the outside and doesn't ...
  A: Angela, I live in Florida too , its been unusually cold for the past couple of weeks . A heat ...
Heat pump size1/11/2010
  Q: I'm building a house and my contractor is having an Anderson 3 ton heat pump installed with an air ...
  A: Mike, Have your contractor perform a heat load calculation on your house . It is the most ...
Janitrol Heat Pump1/11/2010
  Q: In Aug 2008 I moved into a brand new 1288 sq ft 1 1/2 story cape cod with an unfinished upstairs ...
  A: Greg, I think your electric bills are so high because your system has been low on charge . If ...
heat pump or strip heat1/9/2010
  Q: I have an outrageous light bill more than double than last months and i talked to 2 different ...
  A: Bobby, A heat pump generally is more cost efficient to run electricity wise . But I can tell ...
TRANE A/C1/8/2010
  Q: MY TRANE A/C NEVER HAD THE HEATING CONNECTION MADE. THERE ARE 2 WIRES NOT CONNECTED (A RED ONE %26 A ...
  A: Rafael, I assuming the red and black are line voltage . Make sure the power is shut off . Its ...
dust blowing out of ac ducts1/7/2010
  Q: I have a tenant saying there is a lot of purple dust coming out of the ac ducts. It builds up on the ...
  A: Anne, Did this problem just start ? Is it purpurlish black ? It may be mold . Other than that ...
Replace AC - deal or no deal1/7/2010
  Q: Current unit 39 years old 1.5 tons, blower went out over the holidays (old unit couldn't cool ...
  A: PJ, I would make sure who ever does the install does pull a permit - Its really for your own ...
No heat1/6/2010
  Q: What should I check if only cold air blows out when the heater is turned on? I have a carrier fa4 ...
  A: Josh, I think you actually have a heat pump. The auxiliary and emergency heat ( same thing ) is ...
help1/4/2010
  Q: We just moved from Indiana to central Florida in October. The realtor advised upon move in that ...
  A: Darrell, I know , I live a little south of you in the Tampa area - its been cold. You have a ...
AC HEAT1/3/2010
  Q: my compressor turns on for AC but not for heat, I do not know what to do, Please help
  A: If you have a heat pump , it should turn on . Every year we have a bunch of call where the home ...
Central Air & Heat Units12/10/2009
  Q: I am in the market to be a new residential central air&heat unit. I currently have a York all ...
  A: Misty, Most brands are decent if properly installed by your contractor. Make sure they size ...
Heater not kicking on12/6/2009
  Q: Our heater isn't working. According to our home paperwork we have a Goodman model #PHK030-1, 2 1/2 ...
  A: Amy, Double check your wiring, you should have an orange wire at your thermostat , maybe it got ...
Mismatched SEER components12/6/2009
  Q: I had to replace the air handler 2 yrs ago and it was replaced with a 13 SEER unit. The emergency ...
  A: Jen, I see mismatched systems all the time , it isn't ideal - but for the most part function ...
air con12/4/2009
  Q: i have a panasonic air con unit model cs-pk9-ekt 9000 btu about 1 month ago it was removed from ...
  A: Chatchai, In all air conditioning systems a small amount of oil circulates with the ...
condensing unit outside frosting at 32 degrees12/3/2009
  Q: we have a rudd ac/heat pump (central) live in east central ms,the 1 1/2 ton unit was manufactured in ...
  A: Sam, With a heat pump it is normal to see the condenser coil heavily frosted. The unit has a ...
Euro Fridge in US12/2/2009
  Q: The model number of the fridge siemens 01805-2223.
  A: Felipe, No , the motors are designed for that voltage. If you operated it on lower voltage it ...
cavalier 64 coke machine12/2/2009
  Q: The compressor on this coke machine kicks on and off, compressor only runs for about 30 seconds ...
  A: Paul, It sounds like its possibly cycling on an overload . There really isn't anything else to ...
Crawlspace furnace11/17/2009
  Q: I have a furnace in the crawl space. I had a technician look at it and he said the heat exchanger ...
  A: John, Duct work can be run on the exterior to attic space ( it depends on the design of your ...
Fan ON Mode11/17/2009
  Q: I have been getting mixed recommendations on using the FAN ON mode. I have always preferred to keep ...
  A: Mike, You can run the fan continuously , it doesn't stress the unit - make sure you keep up on ...
Fan ON Mode11/17/2009
  Q: I have been getting mixed recommendations on using the FAN ON mode. I have always preferred to keep ...
  A: Michael, The fan on alone will not remove any additional humidity . The humidity can only be ...
Crawlspace furnace11/17/2009
  Q: I have a furnace in the crawl space. I had a technician look at it and he said the heat exchanger ...
  A: John, No its not that hard to change the heat exchanger normally. It really does depend on how ...
eubank package unit mod #EA1511/14/2009
  Q: Heat stips grounded out, & had bad blower mtr & cap. Replaced mtr, cap & heat kit. Blower will not ...
  A: Scott, Probably the fan relay is cooked as well.If you wire through the relay , the fan will ...
2nd AC Zone in Bedroom11/11/2009
  Q: I am renovating a house in Florida and replacing the entire HVAC system. The upstairs is about ...
  A: Bryan, Let me clarify , your second floor only has one system to cool the entire floor . To ...
freezer not freezing11/11/2009
  Q: Please my freezer comes on but only half of the freezers freezes, the upper part deos not it is only ...
  A: Jay, That sounds like either the evaporator coil may iced and restricting air flow - you can ...
lennox blows too strong11/11/2009
  Q: We're finding that our Lennox G60UHX blows so strongly it can be hard to be in small rooms while ...
  A: Mike, If you have a standard blower motor , most have 3 speeds depending on how you wire it. If ...
2nd AC Zone in Bedroom11/10/2009
  Q: I am renovating a house in Florida and replacing the entire HVAC system. The upstairs is about ...
  A: Bryan, You cant really zone 1 room to provide extra cooling . Remember you entire system would ...
AC Unit.... what to do???11/10/2009
  Q: I'm very confused about a problem with my outside AC Unit and would be really grateful to hear your ...
  A: Juliet, It really isn't wasting money to fix it , its just a matter of time before it ...
exhaust fan and cold air return11/9/2009
  Q: I have a furnace in my attic. House was built in 1921 and retrofitted with this. The cold air ...
  A: Tim, I think you could probably technically do it. Probably not practical.The air handler would ...
Kenmore 106.57262791 water filter11/9/2009
  Q: My husband has torn this thing apart, and we are unable to find where the water filter is so that we ...
  A: Leaha, The filter is in newer refrigerators is either built into the unit and is on the ...
compressor terminals11/8/2009
  Q: Hey, recently I tried to run a compressor, but I found that some wires were burned, and the ...
  A: Argelio, Make sure that you do have the correct voltage at the compressor . You really ...
splicing a 220 line11/4/2009
  Q: hey hows it going,,, i have a live 220 line coming to my kitchen.. i put it in a junction box and ...
  A: Derick, No no no - It would be very hazardous . Both appliances require a separate circuit , ...
air conditioner , duct, mold furnase11/2/2009
  Q: ..which I am told it on it last leg....and an aircondition with ducts running through the ...
  A: Yes mold is a serious problem and will definitively make you sick . There are alot of ways to treat ...
R22 HVAC11/1/2009
  Q: We have a 20 year old 2 ton R22 HVAC. The outside unit needs to be replaced but the inside unit is ...
  A: Pamala, Yes you can replace just the outside unit ( condensing unit ). Your contractor may be ...
covering unit11/1/2009
  Q: I see people covering their swamp coolers in the winter time with a wrap or cloth type material. Do ...
  A: Jeffery, The units are designed to be outside and unless you have a huge amount of debris( ...
New furnace options10/29/2009
  Q: I am replacing my old 80% efficient standing pilot furnace of 30 years , after a lifetime of problem ...
  A: Adolphus, GE was a good unit - You can still buy that brand , Trane bought GE years ago. It ...
a/c freeze up10/28/2009
  Q: I have a out door A/C compressor. in the winter time it came on by itself and froze over. what would ...
  A: Bobby , Is your unit a heat pump ? If so the condensing unit does run( in the winter ) to ...
GE SXS fridge/freezer not cold in top half10/27/2009
  Q: Good morning! I have a GE SXS Fridge/Freezer (Model # GSS20IEMD WW Serial MD258184) where the top ...
  A: Holly, I think you may need to call for service on this one. If your handy , you could check ...
Ac repair in Clearwater10/27/2009
  Q: I have a simple question . I was told that I needed to replace my drier on my ac unit . What is a ...
  A: A drier is usually placed in the liquid line(the small copper refrigerant line) of an ac system ( ...
how to disconnect outside a/c unit10/22/2009
  Q: hello i need to ask you a question iam moving my mobile home and i need to know how do i disconnect ...
  A: Billy, It actually very easy. I'm assuming that because it is a mobile home that your ac is a ...
heat exchanger in return air10/21/2009
  Q: I helped a friend hook up a wood fired boiler first to heat his swimming pool and now he want to ...
  A: John, You may want to ask another expert on this one but here are my thoughts . I do think it ...
hvac ductwork10/20/2009
  Q: Is it possible to use ordinary pvc pipe as HVAC ductwork. The application will be that the ductwork ...
  A: Jeff, You could use pvc pipe only if it were exposed to the ambient temperature of the ...
crackling sound of Air con cover10/19/2009
  Q: We have a split unit Toshiba air-con. the cover crackles quite a lot - thru expansion and ...
  A: I don't think it would help . The air isn't being restricted by the cover , its venting through its ...
My fridge is leaking10/19/2009
  Q: I have amana fridge, model # BP22A2W, it is been leaking from the bottom for 5-6 days now (we moved ...
  A: It likely is the water line you disconnected ( I have done this myself ). Depending on the type of ...
Duct sizes & supply locations?10/18/2009
  Q: I own an old house. The furnace/blower was located in the hall w/ the return air directly underneath ...
  A: Paul, The actual return grill size is not important , it is important that the boot size is the ...
coleman hvac unit10/18/2009
  Q: I had a Coleman hvac unit partially installed in a house i was building. It's model # is ...
  A: If you look at the outside unit ( the condensing unit ) there should be a nomenclature plate that ...
a/c temperature10/17/2009
  Q: If my a/c is sitting on 78 and I want to check the air temperature from the ceiling ducts by holding ...
  A: Kenneth, It would be most accurate to check it with in a couple of feet directly out of the ...
Carrier air handler in attic for heat and air conditioner10/17/2009
  Q: We have air handler for second floor colonial home in the attic which supplies heat and air ...
  A: It is not necessary to insulate the line any further than where the line penetrates the equipment ...
TRANE vs American Standard10/17/2009
  Q: Can anyone advise on a choice between TRANE and American Standard Systems ? Both are 3 ton units ...
  A: American standard and Trane are the same - just make sure the specifications of what you want to ...
Duct sizes & supply locations?10/17/2009
  Q: I own an old house. The furnace/blower was located in the hall w/ the return air directly underneath ...
  A: With a 5 ton unit it requires approximately 400cfm of return air across the coil.You ducted 3 - 12" ...
Honeywell 3000 thermostat10/16/2009
  Q: I installed a new honeywell 3000 thermostat recently. All worked fine with ac this summer but on ...
  A: All thermostats have a deadband setting. The dead band is used so your equipment doesn't short cycle ...

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Heating, Air Conditioning, Fridge, HVAC

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Marcus

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I have an extensive background in commercial refrigeration ( small portable units up to 120 ton supermarket rack systems) and commercial/residential air conditioning. I am a licensed contractor and currently own a HVAC company.

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I have 16 years working and managing in the HVAC field

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Better business bureau - Air conditioning contractors of america - NATE

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State License,2 year trade school training,hundreds of hours of continuing educations class covering everything from ice machine , commercial environmental panels , computer controlled supermarket racks , to simple residential units and everything in between.

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