"One Ductless wall unit not staying cold " , posted Sat 5 Jul 19:54

I just had a 3 zone 36000BTU ductless mine split installed (Heat Controller). 3 units 12000 each. The 2 units in the bedrooms (13x16) work great. The other unit is mounted on the high side wall in gre ... read more

mcgurt

"Carrier 38BRC " , posted Sat 5 Jul 15:17

It is my upstairs unit, and was cooling too well for about a week, I keep turning up the thermostat. The all of sudden it was 85 degrees upstairs, and the outside unit was not working. It was really ... read more

jonesiegal

"Trane XE90 power draw? " , posted Sat 5 Jul 15:11

My Trane XE 90 was tripping the 40 amp breaker outside. I called a repair guy and he checked it all out, said all was fine. Now the breaker doesn't trip, but when the outside unit stops, it makes a hu ... read more

Hodog

"AC stops cooling " , posted Sat 5 Jul 14:23

For about an hour each day at around 12 to 1:00, in the hottest time of day, my Lennox Heat Pump stops cooling. The fan continues to run, but the temperature quickly rises in the house from 70 to 75 ... read more

Diane King

"upgrading to honeywell rth3100c " , posted Sat 5 Jul 13:28

we installed a honeywell rth3100c we had an old mecury style Carrier thermostat & they have nothing on L position, but we had a white wire on E, the unit outside has jumper wire between E & L, do I ... read more

claykat44

"HVAC system Cools only at night " , posted Sat 5 Jul 08:49

My 2 ton Carrier systems seems to only cool at night when the heat gain drops off from the sun....Any suggestions on repairing...system is almost 20 years old... ... read more

rpf01

"CLOSED (spamed) " , posted Fri 4 Jul 19:07:

nothing to see here (spam) spammer has small testicles obviously ... read more

OwnerBuilder

"Wish I had time to moderate " , posted Fri 4 Jul 15:29

The garbage showing up here lately is pitiful. I'd volunteer for the job if I had time. To the powers that be, you do realize that this spammer is using google and other search engines to bring peopl ... read more

tinmantu

"CLOSED " , posted Fri 4 Jul 09:09:

... read more

OwnerBuilder

"Max Heat ESP vs max Cool ESP? " , posted Fri 4 Jul 07:32:

Hi all,Just wondering whay they are different. On my Goodman it's .5 for heat and .8 for cool. If it's only a blower motor limitation why would it make a difference?Thanks! ... read more

EmilG

"a little help " , posted Wed 2 Jul 19:01

Trane system, Airhandler works when its calling for cooling but the contactor doesnt pull down. I replaced contactor, no use. Maybe transformer? ... read more

hojo_68

"Baystat240 to Honeywell rth7500 " , posted Wed 2 Jul 14:28

I had a Baystat240 on my Trane xe1100 1.5 ton heat pump system. I am upgrading to a Honeywell RTH7500The previous wiring and how I wired it per the instructions and reviewing your tips for oth ... read more

twood5

"heat pump failure " , posted Wed 2 Jul 09:00

Friends landlord says the heatpump failed because of dirty air filter. They have only been in house 4.5 months. They never have changed filter, but I am suspicious that this short length of time could ... read more

tideh20

"old heat pump " , posted Tue 1 Jul 23:12

hopefully some dumba** will quit putting porn all over my questions. well anyway my buddy wants to put in an old heat pump that is sitting behind our shop. i know u can run them in just cooling mode b ... read more

tmoney512

"Old Tappan AC/Heat Unit " , posted Tue 1 Jul 22:38

We moved into a house built in the 70's, the AC/Heat unit is on the roof & I would like some info on it if possible. It is a Tappan model PHC 42-11C. I want to replace the original thermostat & the wi ... read more

CMC

"System shutdown when other zone activates " , posted Tue 1 Jul 20:00

I have a two zone HVAC system in my home. As of right now, both are set to "cool" with temps set at 70 degrees. When only one zone is actively calling for air with the air currently circulating, if t ... read more

Old Forge

"Testing a control board " , posted Tue 1 Jul 10:28

I hope I'm in the proper place to post this question, so here goes. Is there a way for an untrained homeowner like me to test a Control Board (Carrier HK42FZ013)to determine if has gone bad? Or, in t ... read more

ScottsBeenHad

"not cooling " , posted Mon 30 Jun 19:12

70 pisg on the vapor and about 275 psig on the high side unit is not cooling ... read more

rickylvu42

"Icing line ? " , posted Mon 30 Jun 12:28

New condenser installed w/in 60 days ago - Have new A/C condenser to a A-frame coil on gas furnace (not HP). OSA temps @ 90 yesterday, line icing @ condenser unit; and not very much deltaT ... read more

hughes

"Trane XE1000 " , posted Mon 30 Jun 11:35

I have a trane XE1000 and this past weekend we had to replace the fan condenesor motor. We have everything hooked up but the wires to the compacitor. We have a yellow and red wire not hooked up. I ... read more

angskip16

"need help comparing central ac " , posted Mon 30 Jun 11:26

I am going to buy a central ac 1/1/2 tons for my home. The sales person gave me 2 choices of brand rheem or goodman. Does anyone know the pro and cons? Or have any advice ... read more

aruiz1964

"Bryan Heat Pump - filter? " , posted Mon 30 Jun 09:23

OK - I am new to having an electric heat pump. I have a 20-year old Bryant system with the compressors outside and blower in the basement. Fully electric system. My question is - where is the filte ... read more

dinbri1

"american standard heat pump " , posted Mon 30 Jun 01:07

i am looking at putting in a used american standard heat pump connected to a oil burner. the outdoor unit has two brown wire, two reds and one orange wire hanging out of it just looking at using it fo ... read more

tmoney512

"Please help " , posted Sun 29 Jun 22:17

I have a coleman heat pump that keeps throwing the breaker. So far i have had the breaker replaced, filters replaced, external coil cleaned, some internal coil in the furnace cleaned, and multiple fre ... read more

soonerfan

"Need Help with A/C pls -old thread went dead " , posted Sun 29 Jun 20:47

I recently noticed the fan on the outdoor unit was making a noise like it was off balance, at the time, I turned off the unit, restarted it and the fan work fine for a while, ac was cooling. I came ho ... read more

cyorkie

"Help with Capacitor readings " , posted Sun 29 Jun 18:56

Hi I need help with capacitor readings. I had a previous question on another thread going but need help ASAP. If there is someone out there that could help I would appreciate it. I tested it with a mu ... read more

cyorkie

"Wiring a GE HVAC Motor to Lennox furnace " , posted Sun 29 Jun 14:50

Good afternoon. I recently installed a new 1/3 hp GE HVAC motor for my furnace and it was working fine...I just changed the filter and now it seems to have caused a wiring problem...smelling of smoke ... read more

tsteffen

"Lennox 28F01 blower not working " , posted Sun 29 Jun 10:23

The blower on the furnace stopped working recently. For Heat, flame comes on and heat is created from the unit. For Cool, cold air is created. I have replaced the blower motor and capacitor without su ... read more

rcsgold

"Breaker trips Fan not working " , posted Sun 29 Jun 04:08

I recently noticed the fan on the outdoor unit was making a noise like it was off balance, at the time, I turned off the unit, restarted it and the fan work fine for a while, ac was cooling. I came ho ... read more

cyorkie

"blower " , posted Sat 28 Jun 17:44

i dont have an ECM that I ordered, yet. Is it possible to wire the 220 to the motor and run it like that until I get the control module? AE30-10 b1389002s motor. ... read more

adoremus3

"Need correct blower motor for York furnace. " , posted Sat 28 Jun 17:40

I have a 14 year old York furnace. The Blower motor's beginning to make an audible humming noise. I have the model and serial number of my York furnace assembly, but am not able to gain access to the ... read more

glenn54

"condensation on grill " , posted Sat 28 Jun 15:12

condensation on supply grill,any ideas what this is caused by? ... read more

mississippi

"blower doesn't work " , posted Sat 28 Jun 01:22

American Standard freedom 90.When switching fan to ON blower does not work at all; only some hum noise from the motor (attempting to start). When AC in on the compressor works fine and the blower ... read more

Erik99

"Inside unit freezing up " , posted Sat 28 Jun 00:35

Have you ever heard of the inside unit freezing up ? ... read more

Nspektrgajit

"Is my Fan spinning the wrong way? " , posted Fri 27 Jun 22:54

I installed a new Cap and the fan is pulling air down from the top and out the sides. Is this normal? I always thought it blew up. The unit is a Carrier Tech 2000SS. I know I didn't install the fan ... read more

JBone

"a/c not getting to temp. and icing " , posted Fri 27 Jun 22:03

I had a trane heat pump and air handler that was 8 years old. It worked great. Trane heat pump 4 ton 12 seer. Compressor went out. I replaced it with a Goodman 4 ton 13 seer. Left the old air handler ... read more

poolshark1480

"please help...condenser wont kick on " , posted Fri 27 Jun 16:55

I'm working with a 2.5 ton keeprite condenser with a lennox model mid eff. furnace and a new honeywell 7 day programmable touchscreen. all the wiring has been triple checked...the contacter pulls in o ... read more

diablo666

"need help changing thermostat " , posted Fri 27 Jun 09:07

Good morning, I'm trying to change a weathertron Bay 28x139 thermostat to a honeywell TH4210D. The wiring goes r-red t-brown 0-orange g-green y-yellow x2-black b-blue w-white on the honeywell it has e ... read more

lee gibson

"Need new blower motor housing " , posted Fri 27 Jun 01:43

My blower motor made a load noise in the attic. When I took the panel off the entire blower motor housing had come loose. The metal had sheared off where it was screwed in leaving the screws. I tal ... read more

chuckb

"10 seer outdoor 13 seer indoor " , posted Thu 26 Jun 20:30

a 13 seer reem indoor unit was installed but the outdoor 10 seer was not the unit is not cooling like it should it was 95 degreesoutside today and the psi on the low side was 95 is that to high ... read more

rickylvu42