"Ruud inducer motor problem " , posted Tue 14 Oct 20:25:

My six year old forced air Ruud furnace isn't working. The induction fan won't start unless I turn it by hand first. I bought a new one and that one didn't work either. I checked the incoming voltage ... read more

Jeb

"Oil Furnace Model?? " , posted Tue 14 Oct 15:20

We had oil furnace replaced with a gas furnace. I have a picture of it (which I don't know if I can attach here) and was wondering if anyone would recognize the model. It was an Anthes Western furna ... read more

milvank

"Heat Strips " , posted Tue 14 Oct 11:12

I have a Coleman split system heat pump (1996). I was on vacation (July) for twelve of thirty day billing period. I was charged 5,806KWH. My normal bill is usually 2,900Kwk. A/C was set to 82 degrees ... read more

REDI

"wiring problem " , posted Mon 13 Oct 23:37

this house has had only a furnace intercity model NUGKO75DG07 S/N 913325041 and was wired with a 3 wire t -stat.later , an AC system was added and a new 4 wires t-stat installed,but the wiring is kind ... read more

loumaers

"how much? " , posted Mon 13 Oct 20:42

How much refrigerant do two gauge hoses hold??? I ask this when charging a critical charge. ... read more

starfish66

"nedd help " , posted Mon 13 Oct 18:35

heat pump keeps running and freezing up changed fan speed to high and replaced t-stat no success dont know what can be causing this problem please help ... read more

hvarney

"Command aire heat pump " , posted Mon 13 Oct 15:46

Could anyone help me find the tonnage on a command aire heat pump model#swp613ea? ... read more

blewellen

"Furnace won't shut off " , posted Mon 13 Oct 11:22

Once my furnace turns on it will not shut off. So I replaced the thermostat with a new one, I got a digital programmable one. Hooked it up it would turn on, get to the desired temperture and turn off, ... read more

arnoldjim

"Furnace fire " , posted Sun 12 Oct 14:44

We removed the air filter from our Fedders gas furnace. To stop it from coming on while we were getting a new filter we turned off the switch where the fuse is located. After replacing the filter we ... read more

dlellis

"Wiring help needed " , posted Sun 12 Oct 11:56

I currently have a Honeywell T8411R Thermostat and would like to upgrade to a Honeywell RTH7500. I know I have some sort of extra heating capacity for when the temperature drops to low levels ... read more

wpbcane

"Please check my reasoning " , posted Sat 11 Oct 22:08

I'm considering replacing a 20 year old Carrier 58GSC 80,000 BTU/hr furnace (only). I'm guessing that the efficiency is around 60%, and that an 80% efficient unit with a capacity of 60K+ will be adequ ... read more

aallison

"Day & Night Furnace Filters " , posted Sat 11 Oct 20:47

I bought a house with a Day & Night heater model # 394jaw048080 and can't seem to find the right filter size the previous owners hadd two filters stapled together I really don't want to do this...Also ... read more

JD Mayer

"Oil burner loud rumble " , posted Sat 11 Oct 09:08

I have a New Yorker oil fired burner with a beckett head. it is 8 years old and has has alway been a quite and smooth running boiler. I have it cleaned and tuned each year. Lately I've noticed that o ... read more

rcdtk5

"two stage condensor with hot water coil " , posted Fri 10 Oct 20:16

whats the best way to wire this setup, i was thinking of using a relay and fan timer for the heat side, and then just wiring the ac accordingly. I have had two companys hear and cant figure it out the ... read more

barqs

"Lennox Circuit Boad problem " , posted Fri 10 Oct 16:00

We have a 10 year old lennox furnace and have had to replace the ciruit board three times (cost around $300-$400). Is this normal - do others feel like I do that it is time to throw it out!Alf ... read more

air-alf

"First Year Student " , posted Fri 10 Oct 12:46:

Hey everyone, I recently started my course in HVAC/R. I've been at school for a month now in Nova Scotia, Canada. I just wanted to see if you guys had any suggestions or tips for me whil ... read more

Chiz_Man

"York heat pump chp036-6a " , posted Thu 9 Oct 19:42

air distribution runs when thermostat calls for heat or air. compressor delay a long time then cycles for a short time. Fan motor does not start. I was told the board was bad so i installed a new oem ... read more

denny benson

"TXv position " , posted Thu 9 Oct 19:39

I am working on a drill ship and I have just been checking out the refrigeration system on board. The TX valves for the all the coldrooms are on a common suction and are controlled by seperate thermos ... read more

youngie

"sv9501 " , posted Thu 9 Oct 16:47

The furnace ignites like it's supposed to, runs for about 10 minutes and then all flames go out abruptly as if a safety system has kicked in. The fan continues to run, but the flame never re-ignites. ... read more

nasaelvis56

"Oil furnance blower " , posted Thu 9 Oct 13:55

Thermo-pride oil furnace approx 6 years old. Burner comes on, several minutes later, blower kicks on for 18 seconds, then shuts down. Few minutes later blower on again for 18 seconds, shuts down. T ... read more

wandaholtz

"Trane 2/4TEE vs Humidity " , posted Thu 9 Oct 11:45

All,On their 2/4TEE Variable-Speed Air Handlers, Trane provides for enhanced humidity control by using an optional humidistat (or by using their pricey communicating comfort control system).read more

BKraengel

"Luxaire with White Rodgers 50A50-241 Control " , posted Thu 9 Oct 10:07

When I turn the furnace on with thermostat on heat and auto, the inducer motor comes on and immediately after the squirrel cage (main blower) comes on as well. It does not go through the normal light ... read more

Primo382

"Trane XE90 No Heat. Pressure switch code. " , posted Wed 8 Oct 23:53

Hello all. My six year old Trane XE90 refuses to produce heat. I go to turn the unit on and nothing happens. The circuit board will blink acknowledging the call for heat, then about 5 seconds later ... read more

showngo2000

"Thanks Silvertop!!! " , posted Wed 8 Oct 18:12

Did exactly what you said, and compressor fired right up. Almost condemned the thing prematurly. Thanks again. ... read more

mickabersdad

"New Trane 13 seer heat pump fan sqeaks & Sqea " , posted Wed 8 Oct 17:19

I need to know what is causing my brand knew 13 seer trane outside condensing unit heatpump the fan is sqeaking and somtimes sqealing for a secound or two and how to fix it any help would be appreciat ... read more

mike77

"overfireing furnace " , posted Wed 8 Oct 13:06

an old sears furnace has been retrofited with a new gas valve and standing pilot where an old spark ignightor existed. it has a 42 oriface. It has not been deregulated for altitude. at 4,600'and a sp ... read more

siestavista

"Inducer Motor " , posted Wed 8 Oct 10:56

All right. I have no idea what any of this means, but we have a Trane unit and a tech came out the other day and said the inducer motor in the package unit has a problem. He said the flame is short ... read more

dMoney

"blower motor " , posted Wed 8 Oct 09:23

I have a carrier weather maker 8000 series, the blower motor turns on right away when calling for heat and doesn't turn off. I reset the furnace on the main switch but it still starts the same way. Th ... read more

melske

"Bad Compressor??? " , posted Tue 7 Oct 21:37

If the ohm reading between Run and Start is 8.5, the reading of Start to Common is 4.6, and Run to Common is 2.2, can the compressor fail to start? This compressor has a hard start, and is very old. I ... read more

mickabersdad

"please help " , posted Tue 7 Oct 20:51

hey ive got and hpt 18-60 jantrol and im replacing it with a honeywell rth7400. so i called honeywell and they told me how to wire it up..the A/C works great so now its starting to get cool in the mor ... read more

SteW PdasO

"TRANE CVHE 800TR " , posted Tue 7 Oct 19:14

Hi all...Please help me to find out my worry.What is the normal pressure drop of chilled water on centrifugal chiller trane unit..CVHE 800 tons...Thanks ... read more

nold

"furnace deregulation " , posted Tue 7 Oct 17:43

what is the oriface size or bit size to deregulate a furnace in the altitude of 4,500' with an input rating of 75,000 btu's? ... read more

siestavista

"janitrol code " , posted Tue 7 Oct 10:56

it had 3 blinking light , i replaced the vac. preasure switch, also hose is dry and no blockage now what fuse is good , ... read more

pecobill

"TStat & Blower ON " , posted Tue 7 Oct 01:10

Swapped out my old Honeywell round stat for a Honeywell programmable RTH7500D back in the spring. Since then I have had constant fan on and cannot shut it off. I have checked wiring and programming se ... read more

dtaylormesa

"carrier 58pav111-12 wont start up " , posted Mon 6 Oct 23:36

hey, nice forum you got here. i was hoping someone could help me out on gettin my furnace going before i call a professional. i got a carrier 58pav111-12 model furnace. after sitting dormant f ... read more

seb-calgary

"Desperate in Connecticut " , posted Mon 6 Oct 21:04

Please - Please - Please - I need a qualified pro to look at my Riello R40. 11 months ago I made a major investement in Buderus G115 and Riello, installed professionally by someone I trust....however ... read more

newriello

"Carrier Ignitor cost " , posted Mon 6 Oct 20:22

Does anyone have an idea what an ignitor costs for a Carrier model number 58MXA100-16.I have a yearly service plan, so there was no charge, but a recent technician listed $256 for a replacemen ... read more

jeffk-carrier

"Trane XT 300 -AC " , posted Mon 6 Oct 18:09

Folks - We have a Trane XT 300 in the upstairs. The panel shut off this morning with no display. - We changed the batteries- Now we have a message that reads "1:00PM -AC"- The 1:00 ... read more

KAAA

"HELP! " , posted Mon 6 Oct 17:51

I recently went to look at a customers Nordyne Gas Furnace in their mobile home. Its a single wide Home. The MODEL# of of the unit is

"Armstrong Ultra V Tech 8 " , posted Mon 6 Oct 13:30

Fan won't stop. running constantly, the only time the fan stops is when the heat ignite for about 45 second and then resume to blow. Could this be a relay or the controller board? ... read more

xes1aro