| Subject | Date Asked | Expert |
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| HELPPPPP | 7/24/2008 | Craig HVAC Expert |
Q: OUR FILTER WAS DIRTY MY HUSBAND WENT TO REPLACE IT AND NOTICED WATER ON THE BASEMENT RUG THE UNIT ...
A: At this point, it is going to require some checking. Someone, is going to need and know how to use ...
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| House will not cool | 7/24/2008 | Craig HVAC Expert |
Q: Thermostat was set on 72 degrees all day yesterday. The outside temperature at 3:30 was 98 degrees ...
A: Sometime since that time, we had 2 more ducts installed - one in the living room and one in the ...
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| replacing 20 yrs old unit | 7/23/2008 | Fred Weldin |
Q: i will be short: replacing 20 yrs old bryant ac/ furance. ac compressor died 2 days ago buit furance ...
A: ARUN: Did they do a Manual J? Your existing AC is probably bigger than you need, don't put in a ...
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| No Cool Air | 7/23/2008 | Jim Barnhart |
Q: I have lived in a brand new hone for 3 years which was never lived in prior to me. I am single and ...
A: Audra, If your low on freon you need to have it added by a professional technician. A clean filter ...
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| thermostat swing | 7/23/2008 | Howard Livingston |
Q: I have a question about the frequency of cycling of a Lux TX500 programmable thermostat which I ...
A: I can't imagine you can satisfy both settings of cycle time & temperature !! A well balanced cooling ...
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| A/C needs replacing - replace furnace too? | 7/23/2008 | Fred Weldin |
Q: I have a 12-year-old, 2300-square-foot house in New England with a gas furnace and central A/C (two ...
A: Paula:No, furnace service life is 18 years; there should be a lot of life left. AND when it's time ...
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| Heil evaporator/HVAC | 7/23/2008 | Craig HVAC Expert |
Q: What size copper pipe is regulation on my AC? I don't know what size the AC is but I have a 1500 ...
A: The size on the copper depends on the tonnage of the unit, and the lenght run for the most part. I ...
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| AC Replace or fix | 7/23/2008 | Jim Barnhart |
Q: we have 5 ton Bryant ac unit, 10 yrs old. It has a heat pump on it and the gas furnace takes over ...
A: Tamara, I don't know what the price for utility's is where you live? Where I live we heat four time ...
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| ducting size for 2 Ton AC | 7/23/2008 | Jim Barnhart |
Q: My 887 sq. ft. condo had a 2 Ton AC installed for the first time along with the furnace (located in ...
A: Jeff, I don't know what all the particulars are of your air handler? For two ton's you need 800 CFM, ...
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| Goodman Heat Pump | 7/23/2008 | Howard Livingston |
Q: I have a Goodman Heatpump and 2 days ago I started smelling a smell like the heat had kick on. I ...
A: Don't know whether that Goodman has this but some heat pumps auto turn on heat elements on a defrost ...
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| How will not cool | 7/23/2008 | Craig HVAC Expert |
Q: Thermostat was set on 72 degrees all day yesterday. The outside temperature at 3:30 was 98 degrees ...
A: I had to be sure, because something just does not make sense...It should not required 3 tons of ...
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| age of AC unit | 7/23/2008 | Joe |
Q: hOWdo I determine the age of my York condenser unit?
A: Doug, Get model and serial number from data plate, usually the date is in the serial number.For ...
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| age of AC unit | 7/23/2008 | Eric Campion |
Q: How do I determine the age of my York AC condenser?
A: Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, ...
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| Replace Heat Pump Condensing Unit | 7/23/2008 | Jim Barnhart |
Q: My son purchased a home recently that has a 1991 Thermastar(?) 5 ton heat pump. It failed over the ...
A: John, Payne is a good unit it's an equal to Carrier. 13 seer is 20-25% percent more efficient then 9 ...
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| Carrier A/C central air unit clicks but won't start | 7/23/2008 | Tim T. |
Q: My (14 year old) Carrier central air compressor will make a loud clicking noise, and the fan will ...
A: Martin, I think it is time for you to look at buying a new system. Typically an A/C life span is 15 ...
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| Helpe | 7/23/2008 | J Cook |
Q: What is the d/t b/n start relay and start capacitore? when I checked the presure of high and low ...
A: The dt is the defrost timer, I can not figure out anything that would be a bn, the start relay and ...
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| GE Fridge GSS22JEMBWW won't defrost | 7/23/2008 | Eric Campion |
Q: My freezer does not defrost. I have been having the problem on and off for months. At first I ...
A: Check the defrost terminator for continuity when cold. If it is open, the unit will not defrost. ...
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| going duel heat | 7/22/2008 | Fred Weldin |
Q: This is an older house. Built in 1965. I am thinking about going with a duel heat system. I live in ...
A: Tim: Well, let's see: A heat pump would use about 1/3 of the energy as electric resistance; so you ...
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| retro-fit AC system install, maintainence, quality of work | 7/22/2008 | Jim Barnhart |
Q: We had a 10 SEER Frigidaire Central AC unit and coil added to our system in the spring of 2004. Had ...
A: James, What do you have in writing? If your cooling the whole 2700 square feet then you are grossly ...
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| ducting size for 2 Ton AC | 7/22/2008 | Jim Barnhart |
Q: My 887 sq. ft. condo had a 2 Ton AC installed for the first time along with the furnace (located in ...
A: Jeff, Your question is really confusing' If you have 4-6" ducts and 1-8" duct individually coming ...
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| two air conditioner home | 7/22/2008 | J Cook |
Q: Ok i have a 2800 sq foot home with 2 air conditioners. Im just trying to figure out my best option ...
A: It depends on how the home is used. I also have a two story two unit home. I have a sitting room ...
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| Air Conditoning not workin | 7/22/2008 | Jim Barnhart |
Q: Amanda Central Air unit. No previous problems, cleaned regularly. Nothing identified in physical ...
A: Steve, If "The entire outside unit shuts off" that would include the condenser fan which is easy to ...
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| A/C Unit | 7/22/2008 | Jim Barnhart |
Q: Jim The power in my house went out this morning for a few hours and when it came back on my A/c ...
A: Mike, The outside unit is on a separate breaker from the inside unit. The outside unit is a 220/240 ...
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| closing vents in unused rooms in the house | 7/22/2008 | Bill Brainard |
Q: We live in a ranch house in central Texas. I have been hearing about closing vents in unused rooms ...
A: Let me tell you how we figure an A/C job. 1st we find the "Heat gain" for a house. That tells me the ...
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| HELPPPPP | 7/22/2008 | Craig HVAC Expert |
Q: OUR FILTER WAS DIRTY MY HUSBAND WENT TO REPLACE IT AND NOTICED WATER ON THE BASEMENT RUG THE UNIT ...
A: If the unit has a saftey overflow device, it may not have reset. Normally it is in the drain line ...
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| air conditioning filters for central air | 7/21/2008 | Fred Weldin |
Q: would just like your opinion on the best a/c filters (affordable!!) for my central units here in ...
A: Maria: You'll have to send a follow up: 1. What size(s) and quantities filter(s) are installed? 2. ...
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| Central Air Freezing | 7/21/2008 | Fred Weldin |
Q: Fred, My house is 3500sq ft with a 5 ton dual zone system (servo Dampners)After several hours ...
A: David: Go to askweldin.com, look at the bad installations shown there, and see if you have any of ...
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| Vents open or shut | 7/21/2008 | Fred Weldin |
Q: I have a two story home. 3 bedrooms upstairs and the same downstairs. Should I leave the vents open ...
A: Keith: "Vents" should always be open, so the combustion products and sewer gases they convey can ...
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| Broken compressor | 7/21/2008 | Howard Livingston |
Q: I would like to ask you a question. We have lived in an apartment 9 months and have one cat. Our ...
A: Usually don't answer questions about friidges, but yours is easy.When the coils are pretty clogged & ...
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| Furnace blower motor | 7/21/2008 | Bill Brainard |
Q: I have a Goodman furnace in my house, and today the blower stopped working. It tries to work, makes ...
A: Bad motor. How old is the unit. The motor has a 5 year warrenty. The model & ser# will give the ...
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| A/C unit leaking around furnace | 7/21/2008 | Jim Barnhart |
Q: My A/C unit (Lennox aprox 6 years old) is mounted outside at the side of the house and the furnace ...
A: Jody, Your cooling coil has a built on drip pan under the coil that catches the water that ...
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| Power Consumption | 7/20/2008 | Fred Weldin |
Q: What is the power consumption kw/hr of a Trane XB13 5ton unit. We have a 2500 sq ft condo and we are ...
A: Ryan: You can estimate that from the nameplate info: Volts x amps x 1/power factor (use 0.8); be ...
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| Return air duct adequacy | 7/20/2008 | Fred Weldin |
Q: I cool 2960 sf with a Rheem 5 ton. Since the day it was installed it has never cooled below 82 when ...
A: Joe: Funny, I just looked at a five ton unit with 18" flexible duct mains Saturday (you didn't say ...
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| ac not blowing but compressor runs | 7/20/2008 | Howard Livingston |
Q: we have ac/heating unit lenox g-26 series.few days ago we noticed that the compressor runs outside ...
A: Women are sure a target, Janet.I hate that.Fan control on "auto" comes from the thermostat. Do you ...
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| HVAC Unit Freezing at night | 7/20/2008 | Craig HVAC Expert |
Q: I have an Evcon/Coleman split system. The system is about 15 years old. It has worked fine. Three ...
A: Fan motors do not get weak. The run cap can go bad, but then the fan will not work. Fan motors are ...
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| Gas Heater | 7/20/2008 | Howard Livingston |
Q: I have a problem with my upstairs HVAC system in my house. The house was built in 1994 and has the ...
A: Tricky question, Mike.I know of nothing that would interrupt power to the thermostat. There ...
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| Gas Heater | 7/20/2008 | Jim Barnhart |
Q: I have a problem with my upstairs HVAC system in my house. The house was built in 1994 and has the ...
A: Mike, When the thermostat looses power dose the blower also go off? If the thermostat looses power ...
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| Blower motor problem | 7/20/2008 | J Cook |
Q: I have a blower motor that its look like is running weak therefore is blowing a weak air out off the ...
A: There really is not a way to test the motor, it will either work or not, but you can replace the ...
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| Air Conditioning | 7/20/2008 | Jim Barnhart |
Q: I live in a 2 story apartment building on the second floor. All summer my air conditioner runs off ...
A: Mike, I don't know what type of air conditioner you have? I don't know when you say "little to ...
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| Heat Pump Buzzing Sound | 7/20/2008 | Jim Barnhart |
Q: I have a rooftop heat pump unit. I have recently noticed that I can hear a buzzing sound coming from ...
A: Suzan, It's just a nuisance if it is the transformer. There are transformers and then there are ...
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