"Hot water coil for Lennox AM30Q2-40 " , posted Sat 6 Sep 22:36

I am looking to replace a hot water coil that is leaking.I plan to replace the hot water coil.Dealers charge a high price for it.Any idea where can I find a replacement coil. D ... read more

chrisvin

"Is it possible to change btu's? " , posted Sat 6 Sep 22:24

Gentlemen:I have a 100,000 btu Tempstar 90 (high efficiency) LP home furnace. It has 4 burners, is it possible to plug one of the burners off so only three fire? I've got to much furnace for t ... read more

northstar1958

"Red LED on American Signature Furnace " , posted Sat 6 Sep 20:38

Hi Everyone,My furnace is working fine but there is a red LED light flashing on the front. It's an American Signature Freedom 80 Single Stage. I looked at the owner's manual and it says noth ... read more

srf99

"mortex acoil " , posted Sat 6 Sep 15:49

can a mortex 96-8431op be used with a 13seer heat pump? ... read more

craig1

"gec bwd 712a100a100 " , posted Sat 6 Sep 06:04:

it works ok on heat but not cooling i know its an old unit but its in good condition sorry i have no history or documentationand would appreciate some help thanks or a link to s ... read more

kevplumb

"york heat pump " , posted Fri 5 Sep 23:28

hi mi name is miguel im on duty working this weekend i need help did a call on york hp system wont run on ac what i fount was the contactor getting 13 volts only is not closin i have reversing val ... read more

lovo127

"134a cooler " , posted Fri 5 Sep 17:48

I have a cooler that is not working as well the deli meats are at a 60d temp when it should be 35d to 41d the the temperature dial is set at high. The pressure are low 30 hi 325 the suction line is ic ... read more

raul v

"hvac fan volume " , posted Fri 5 Sep 17:21

i havea york model p4hub16n08001a the unit runs,air is cool at the evaporator (30f) the fan runs filter replace pressure 0k 70 low 225 high. But the volume of air is coming out from the duct grill is ... read more

raul v

"compressor help " , posted Fri 5 Sep 15:10

Need some help with the nomenclature with a compressor. It is out of a old Fraser Johnston condensor, no spec plate on condensor only info still left on compressor is AH310GT-139, no make or any othe ... read more

Draver

"Heat Pump Estimate " , posted Fri 5 Sep 11:43

Hi, I need to replace a heat pump. Can anyone give me a sense of a reasonable cost range I can expect for new indoor/outdoor unit/installation? Also any brands/types recommended for 4 bedroom coloni ... read more

lturtiai

"goodman mini splits " , posted Thu 4 Sep 22:44

was wandering about the installation and want some feedback i have a guy wanting one he has about 800 sq feet and nowhere to put duct work this is something he requested never installed one but have i ... read more

tnhvactech

"house vents not blowing [weather maker 8000] " , posted Thu 4 Sep 20:58

Hi all,This is my first problem hence my first post. :)I'm pretty technical but I just don't anything about this stuff.I have a Model 58Wav Upflow FurnaceMy unit turns on and it so ... read more

jAQUAN

"York Diamond leaks " , posted Thu 4 Sep 13:34

We were on vacation for about a month and after returning late one night I came downstairs and noticed a puddle of water under my furnace. I thought that it was just condensation overflow. The small ... read more

tommyandcathys

"Honeywell LR1620 " , posted Thu 4 Sep 12:10

Hi,I currently have a Mercury thermostat (Honeywell LR1620) and it has a Red wire connecting to both the Rc and the Rh terminal in series. I currently purchased the Globe thermostat 59000 and ... read more

peteryee

"t stat woes " , posted Wed 3 Sep 19:55

need wiring diagram,to hook up honeywell 3210d to lennox air handler.model E1203-15-3P thx ... read more

d scott

"Honeywell/snyder general oil burning furnace " , posted Tue 2 Sep 23:19:

20 year old Model DMR -10A Honeywell/Snyder Furnace. My air conditioner keeps freezing up because furnace air filter is getting solid black soot covered in 2 days or less. The fuel line filter was c ... read more

azeriah

"Duh! " , posted Tue 2 Sep 21:10

I ASS-umed the system was charged with r410a, always read the name plate. It has r-22. So my new superheat reading suction line temp 65*F-48*F = 17*F of superheat, perfect. And my subcooling is 230 ... read more

timdecker

"Blower problems-humms and wont come on. " , posted Tue 2 Sep 19:53:

I have a Lennox Merit series furnace. My blower will not come on in auto or on. When I do switch the blower to the on postition, I can hear a humming noise from within the furnace. Its like its try ... read more

tcoffey1

"Blower Pulses On and Off Every 2 Seconds " , posted Tue 2 Sep 19:04

My Bryant Plus 90i Residential Heating/Cooling unit's blower motor pulses on and off every few seconds. However, if I change the thermostat fan setting from AUTO to ON the blower will continuously run ... read more

FSUDAL

"R410a High Superheat " , posted Tue 2 Sep 18:59

Here are my temps, WB indoor 78*F, DB Outside 95*F, What should my superheat be and does anyone have a chart to determine correct superheat?I have a R-410a System 5 ton, Suction pressure is 81 ps ... read more

timdecker

"air handler " , posted Tue 2 Sep 15:44

I replaced my split system heat pump with units the same size and now the fan is too strong is there any way I can adjust the speed so it blows with less force. Thanks ... read more

lem

"Replacing Rheem Air Handler - or just Coil? " , posted Tue 2 Sep 15:06:

There is a leaky coil in an old Rheem 3-Ton 10-Seer air handler, model RHQA-1305B FV. Would it make sens to replace just the coil or the entire handler? What would be a good replacement, since the air ... read more

pwrcut

"Heat Pump question " , posted Tue 2 Sep 12:30

Just bought a house but have no warrantee and heat pump is not working. Contractor came in and replaced condensor fan and dual capacitor and fixed 2 small leaks and declared it opperational, but it d ... read more

vtkev

"Lennox coil match " , posted Tue 2 Sep 10:07

can anybody tell me what size indoor coil a c23-41-1 is I have an outdoor unit 10acb30-9p and the indoor coil is leaking and I have to replace it. ... read more

ssplin

"wiring Honeywell RTH7500 with heat pump " , posted Mon 1 Sep 23:24

My heat pump is an old Luxaire 60HPPL1C and I'm replacing an obsolete Honeywell non-programmable thermostat (T872C1004) -- the housing's got 2 coils, 2 sweeps (STG 1 & STG 2), and 3 glass vials with m ... read more

RC51Girl

"Charging system by superheat/subcooling " , posted Mon 1 Sep 23:16

I am residential oil heat tech learning a/c. I'm certified and insured and I'm practicing on friends, neighbors, and relatives. I want to learn how to charge units properly. I'm reading and trying to ... read more

midwayice

"Help it's Hot!!!! " , posted Mon 1 Sep 23:15

My central air unit for my house stopped working. We shut it off for a few days and turned it on today...the unit outside starts up, the fan moves for probably 30 seconds and then stops. The blower i ... read more

pdudley613

"Bryant runs outside but not inside " , posted Mon 1 Sep 21:38:

I have a Bryant Quantum Plus unit only a few years old. I noticed today it was getting hot inside the house and found the inside blower fan at the plenum isn't coming on. The outside compressor is com ... read more

partycrasher

"Through-wall air conditioning query... " , posted Mon 1 Sep 19:30

Hi everyone. Okay, here's my dilemma. I rent a room with a large through the wall air conditioner. The kind you would commonly find in apartments from the 1970's. Which, coincidentally, is app ... read more

kaliree

"air conditioner/heater " , posted Mon 1 Sep 18:13

I was trying to change my thermostat to a newer model and the fan will not come on... We tried putting on the old thermostat again and the fan will not come back on. Can anyone help????? I am sooo f ... read more

moonbeam7923

"Weathermaker 8000 air flow issue. " , posted Mon 1 Sep 14:47

I am having an air flow issue and I have checked and replaced the filter closest to the ground. Still having issues. Air flow used to be great but has been getting less and less as the years go by. ... read more

aadkins

"changing thermostat " , posted Mon 1 Sep 14:08

I'm changin my old thermostat, there is the following wires combinationa and colorso - oranger - redg - greeny - yelloww2 - whitex - bluee - blackthere is another brown ... read more

nicoro3

"High electric bill " , posted Mon 1 Sep 12:44

My uncles basement walled caved in, in May and i had to cut the lines to the condensing unit so it could be moved out of the way to fix it. I was out of town the weekend he needed it reinstalled so h ... read more

Dm809

"Janitrol problems " , posted Mon 1 Sep 07:14

My condensor drain backed up and water went every where. The lower drain pan was to small and didnot catch any water. Now the fan cycles on and off( only at night! ) Sometimes the compressor comes on ... read more

ohana

"Janitrol problems " , posted Mon 1 Sep 07:13

My condensor drain backed up and water went every where. The lower drain pan was to small and didnot catch any water. Now the fan cycles on and off( only at night! ) Sometimes the compressor comes on ... read more

ohana

"indoor blower staying on " , posted Sun 31 Aug 21:43

heil pgf042k100e indoor blower stays on and will not go off unless power is turned off. could this be a bad blower motor or something a bad board ... read more

m taylor

"Carrier 58PAV Inducer plugged to pressure SW " , posted Sun 31 Aug 04:40

My Carrier 58PAV has had intermittent code 31 problems in the past but now is continuous. The pressure switch is connected to the inducer blower by a hose. When I look into the inducer through the sma ... read more

ihenry

"Carrier Thermidistat TSTATCCPRH01-B help " , posted Sun 31 Aug 02:08

I bought a house with a carrier heat Pump with humidly control. The thermostat I have is a Thermidistat Control model TSTATCCPRH01-B. Looking at the data from the carrier site shows this thermostat th ... read more

larrylwill

"Trane Home Comfort Sensor - not functioning " , posted Sat 30 Aug 22:30

I disconnected a Trane Home Comfort Sensor (ZUSTATALP510) from the wall to install some new drywall. This involved disconnecting four wires from the back of the unit. After installing the new drywal ... read more

HomeOwner133

"Trane ac/heat not working " , posted Sat 30 Aug 21:23

Hi there,Our aircondition just stopped working. The fan outside comes on but the air or heat in the house does not. We have had it off over night so I don't think the coils are frozen. Also ... read more

LDB