| Subject | Date Asked | Expert |
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| 75 degrees is best | 9/7/2008 | Craig HVAC Expert |
Q: I have a 3 bedroom house in Livermore and its been in the upper 90s or more. Ac system original 24 ...
A: With age... compressor may not pump as good due to wear of the piston and valves coils get dirty, ...
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| A/C replacement cost | 9/6/2008 | Jim Barnhart |
Q: I have a 20yr old air conditioner and electric heat. I am looking at replacing it with a premium ...
A: Patric, I'll bet you couldn't a get guesstimate over the phone where some one could have a question ...
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| A coil | 9/6/2008 | Jim Barnhart |
Q: Our insurance agent told us that even if our 10 SEER Amana air conditioner must be replaced ...
A: Frank, I don't know about "detail" but here go's. The outside unit is called a condensing unit, it ...
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| New Air Conditioning | 9/6/2008 | Craig HVAC Expert |
Q: I received a quote for a new TRANE 5.0 ton XR13 Series, 14 Seer w/ Variable Speed Air Handler & 15 ...
A: In some cases it is requred that the t-stat be changed out. I do not think the unit you have really ...
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| HVAC | 9/6/2008 | Howard Livingston |
Q: I REMOVED A LEAKING R-22 EVAPORATOR "A" COIL AND I WAS GIVEN A CARRIER "N" COIL FOR REPLACEMENT. I ...
A: I would use the old ear trick to set the charge on the TXV. Place a screw driver end on the liquid ...
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| A/C Blower Works And Then Shuts Off | 9/6/2008 | Bill Brainard |
Q: Lennox G40UH(X) Series: Good amount of water leaking into drip pan.System cools for about 5 hours ...
A: Water into drip pan. GOOD. The new cap may have gone bad. Remove & check in a cap tester. Replace ...
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| a/c unit does not turn on | 9/6/2008 | Howard Livingston |
Q: Goodman AH1826-1 Last week, the unit responded properly, but now the unit no longer functioned. ...
A: OK, you've got a dead short in the 24v control circuit somewhere. Have a dog in the backyard ?? ...
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| replacing central air conditioner | 9/6/2008 | Jim Barnhart |
Q: After 30 years of carefree use, my Carrier central air unit crashed. I am looking to replace the ...
A: Susan, I don't know what your "central air unit" is exactly, if it's a self contained unit or a ...
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| KitchenAid defrost cycle | 9/6/2008 | Eric Campion |
Q: We have a KSRA25FKSS00 Kitchenaid refrigerator that appears to have an erratic defrost cycle. ...
A: You have an electronic control board which determines when the defrost cycle should begin. It ...
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| heatpump does not cool well | 9/6/2008 | Eric Campion |
Q: i am working on a 5 yr old heatpump, its a goodman at my workplace. it never worked correctly when ...
A: Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, ...
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| Central air unit impacted by rain. | 9/6/2008 | Howard Livingston |
Q: Howard, We live in a 6 year old condominium building with separate central air/heating units. Each ...
A: After 30 years I thought I had heard everything !!! Not so, that's the strangest thing I have EVER ...
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| 75 degrees is best | 9/6/2008 | Craig HVAC Expert |
Q: I have a 3 bedroom house in Livermore and its been in the upper 90s or more. Ac system original 24 ...
A: The unit might actually be able to cool the house to you liking if it is working right. Unfortantly ...
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| 75 degrees is best | 9/6/2008 | Craig HVAC Expert |
Q: I have a 3 bedroom house in Livermore and its been in the upper 90s or more. Ac system original 24 ...
A: The pressures you gave me seem like normal pressures, but that does not tell me the whole story. It ...
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| Bryant Model 394DAC0001008 SERIES BAA | 9/6/2008 | Jim Barnhart |
Q: Gas Furnace about 30 years old with pilot light. Turn thermostat up, burners ignite and blower ...
A: John I considered what you said the cause was but then I rejected it becuse you said the furnace was ...
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| Ice forming on Air Handler in Hallway closet | 9/6/2008 | J Cook |
Q: I have ice forming on the fins in the bottom of my air handler unit which is located in the hallway ...
A: Two things commonly cause icing. Low air flow and a low refrigerant charge. If the filter was dirty, ...
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| a/c unit does not turn on | 9/5/2008 | Eric Campion |
Q: Goodman AH1826-1 Last week, the unit responded properly, but after I came back from a 4 day ...
A: Unfortunately our expertise is with Major Home Appliances only. This would include washers, dryers, ...
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| Thermostat Replacement | 9/5/2008 | J Cook |
Q: I just purchased a Honeywell RTH7500 programmable thermostat for our heat pump. It's a new (to us) ...
A: One connection is missing, the O terminal which is the reversing valve to convert from a/c to heat. ...
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| direct vent furmace | 9/5/2008 | Josh Warren |
Q: i have an oil furnace(dettson)with a dettson direct vent(power vent)exhaust.i require one of the ...
A: I'm not sure I haven't seen one of those in years.I can probably find out and let you know ...
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| Yearly Cleaning on Regency Gas Fireplace | 9/4/2008 | Howard Livingston |
Q: Wow... this is the first time I've been to this site! What a fabulous idea! People, such as ...
A: Pat for the very kind words. I have semi retired after 35 yrs & this sure keeps my mind ...
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| Condo Wiring Issue? | 9/4/2008 | Howard Livingston |
Q: We appear to be having an electrical issue in our condo. Awhile back our AC was icing up, freon was ...
A: When it rains it pours is true, right ?? Icing is caused by several things: dirty filter, stopped up ...
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| FREIDRICH WALL UNIT | 9/4/2008 | J Cook |
Q: It has been running all summer on money saver mode with the thermostat set between 66 and 70 ...
A: If the fan was blowing at all, the sound appears to be of a locked up compressor. Most of these are ...
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| Kenmore Elite Icemaker | 9/4/2008 | Eric Campion |
Q: Good morning- I have been having ice-maker problems for many months, and a repairman "fixed" the ...
A: The cog should never come loose.....I can help but before I do...We need to find out why. Is the ...
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| Need complete new AC system or not | 9/4/2008 | Craig HVAC Expert |
Q: Here is my situation. I recently bought a 30+ years old condo in west LA. 2/2 1100 sq ft currently ...
A: Considering the life span of a unit is about 15 years, I would look to replace the unit. You should ...
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| CENTRAL AIR NOT COLD | 9/4/2008 | Craig HVAC Expert |
Q: HAD HIGH ELECTRIC BILL. NOTICED AC UNIT NOT SHUTTING DOWN ON ITS OWN. 96 DEGREES OUTSIDE AND 90 ...
A: The system could still be under-charged. It is not normal to find units that have been working for ...
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| HOT WATER TANK DRAINING | 9/4/2008 | Jim Barnhart |
Q: IS there a standard preventive maintenance requirement to drain,at regular intervals, my natural gas ...
A: Ken, Your water heater tank by way of a tube inside fills from the bottom up. Any type of sediment ...
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| gas hot water heater | 9/4/2008 | Bill Brainard |
Q: I am getting conflicting advice from neighbors re Should I drain the water from my natural gas hot ...
A: This is simple. Drain 5 to 10 gallons every month. Not the whole thing. Minerals are heavy, they ...
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| variable speed furnaces | 9/4/2008 | Jim Barnhart |
Q: I am purchasing a new furnace and like the idea of a variable speed motor for comfort and savings. ...
A: Kurt, I don't know what savings there are in a variable speed motor. I think the end resultes is the ...
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| A/C and Furnace pick | 9/3/2008 | Craig HVAC Expert |
Q: I am about to pick an A/C and furnace system and facing a picking from TRANE and Carrier. They are ...
A: If both units have the same effciency, and the price is close, then next look at the warranty. If ...
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| Air conditioner condensate leaking/plugged | 9/3/2008 | Jim Barnhart |
Q: I've got a 7-year old furnace. The drain line on the air conditioner condensate won't always drain ...
A: Eric, The condensate drain should be 3/4? Whoever installed the PVC reduced it down to 1/2". The ...
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| NEW AC needed or not? | 9/3/2008 | Jim Barnhart |
Q: here is my situation. I recently bought a 30+ years old condo in west LA. 2/2 1100 sq ft currently ...
A: Betty, Fiberglass duct's can last a life time, it all depends on what shape/condition they are in. ...
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| Rheem 3ton split system R-410A | 9/3/2008 | Jim Barnhart |
Q: My A/C went down yesterday, and I called the company I have a maintenance contract with. They said ...
A: Lisa, If your already in the process of having a new AC installed I think your kind of shutting the ...
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| a/c not cooling | 9/3/2008 | Craig HVAC Expert |
Q: I live in a 3 story townhome (2000 sq ft) and have a Armstrong Air Ultra V inside unit with a ...
A: Depending on the type of filter used, construction dust is very bad for an evap coil. The dust gets ...
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| NEW AC needed or not? | 9/3/2008 | Jim Barnhart |
Q: here is my situation. I recently bought a 30+ years old condo in west LA. 2/2 1100 sq ft currently ...
A: Betty, I assume that you have to do your option #1 regardless? I have no idea of what all is ...
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| variable speed furnace/motors | 9/3/2008 | Howard Livingston |
Q: I am purchasing a new furnace and like the idea of a variable speed motor for comfort and savings. ...
A: The variable speed motor ramps up from 50 rpm to about 1100 rpm for cooling, the common speed. So ...
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| RUDD Silhouette II | 9/3/2008 | Craig HVAC Expert |
Q: How can I tell if this furnace is set up for Natural Gas or Propane? It was in storage from a closed ...
A: The unit should be clearly marked on the name plate NG or LPG. You might also find markings on the ...
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| ac unit not working | 9/3/2008 | J Cook |
Q: I have an air conditioner that is blowing but not blowing cold. When we first turned it on monthes ...
A: The outdoor unit is on a different circuit than the indoor unit with the fan. Make sure the outdoor ...
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| Air conditioner condensate leaking/plugged | 9/3/2008 | Jim Barnhart |
Q: I've got a 7-year old furnace. The drain line on the air conditioner condensate won't always drain ...
A: Eirc, Cooling coils with built on drip pans are not part of a furnace but rather optional add on's, ...
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| too much moisture in my house | 9/3/2008 | Bill Brainard |
Q: I have a Trane hi efficiency air conditioner and furnace. It is probably 12 yrs old. My problem is ...
A: Good God man where do you live?? That is a lot of moisture. A/C units are not made to remove ...
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| Furnaces | 9/2/2008 | Jim Barnhart |
Q: Jim,I am ready to replace an old furnace with a 90+% efficient one. The house is a 1330 sq. ft. ...
A: JoAnn. I never could understand the benefit of a two stage furnace? I think if you want to heat ...
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| Tripping CB in afternoon on start | 9/1/2008 | Howard Livingston |
Q: My AC has been tripping the CB only in the afternoons during start up. I can reset the CB and it ...
A: Where do you live in Phoenix ?? Your problems can often occur when the circuit breaker box is on a ...
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