"Ductless splits " , posted Thu 14 Aug 20:14

I'm instaling five fijitsu ductless splits. I've been told to install a liquid line drier, but I don't think you are suposed to because the "liquid" line is actually part of the metering device. Dose ... read more

northof52

"RTH8500 " , posted Wed 13 Aug 23:59

I have a dual zone system with a Gas Furnace and Central AC. I'm thinking about purchasing 2 RTH8500 thermostats for the main floor and upstairs. My question: is this a good fit for this type of insta ... read more

GaryWayneTurner

"Relay/Contactor Problem? " , posted Wed 13 Aug 18:39

A couple of months ago my a/c outside unit's fan and condenser wouldn't come on. I would tap on the capacitor and then it would start. After about 10 times doing this, the unit started working w/o d ... read more

Yalahadan

"Heil Product Info. " , posted Wed 13 Aug 16:18

I need some info. on Heil model and serial numbering systems. What does the different letters and numbers mean? I need to find out what year built, tonnage, etc. ... read more

malihoshi

"Carrier/Bryant(???) Model 593ANX Manuals? " , posted Wed 13 Aug 12:23

I have an AC at my house that has the model number 593ANX024000AAAA on the nameplate. The nameplate shows Carrier as the manufacturer, but it is labeled Bryant elsewhere.I can't find anything ... read more

littler5

"Rudd 3 ton HP NEED SOME HELP HERE " , posted Wed 13 Aug 07:17

Good Morning All ..I have a Rudd UPNE-036JAZ Heatpump 3 ton that I been working on..the unit keeps tripping on low pressure cut out..checked pressures running very low 35/155..I know you all are going ... read more

orange20smoke20

"daewoo motors " , posted Wed 13 Aug 00:27

hi, do you have any idea where to get international. thanks. ... read more

jk32502

"help please compressor " , posted Tue 12 Aug 17:15

can someone help me I'm try to buy a 4 tons used compresor the lines are taped how can I tested to see if works before buy it ... read more

gabrielnorbac

"daewoo motors " , posted Tue 12 Aug 15:17

hi, we have a broken daewoo motors that are installed in carrier international fan coil. my question is: where can i purchase this daewoo motor. thanks ... read more

jk32502

"Bryant Evolution Thermostat - Programming " , posted Tue 12 Aug 09:50

We recently put in a Bryant heat pump and high efficiency furnace controlled by an Evolution thermostat.I know this will sound sort of strange but I would like to turn off the programming aspe ... read more

MNHouse

"DurkeeSox fabric duct installed in Olympics " , posted Tue 12 Aug 05:03

DurkeeSox fabric air dispersion system solutions successfully wins the bid and contract after evaluated by Haier company and became the exclusive supplier of fabric air dispersion system for 2008 Beij ... read more

baby9114

"Wiring for Honeywell Thermostat " , posted Mon 11 Aug 22:33

Currently the Rudd Thermostat and Rudd Heatpump is wired this way.G - Green wireR - Red WireY - Yellow WireB - Blue WireX - Brown WireW2 - White and another White wire from ... read more

mileyjn

"T8011R stat. " , posted Mon 11 Aug 17:10

looking for wiring manual for honeywell T8011R. any out there??? ... read more

trmcoy

"Replacing Mid efficiency Furnace " , posted Mon 11 Aug 13:33:

Hi all,Currently I have a ten year old mid efficiency furnace, which is considered little oversized, 135,000 BTU, for the size of my house (2200 Sq. ft.). One of the heating contractors who came t ... read more

sabyboy

"Trane 4TEE3D Wiring " , posted Mon 11 Aug 11:48

Re: Trane 3H2C w/Elec Aux 4TEE3D Air HandlerAll,1. Is W2 the emergency heat relay? If aux heaters are staged (ODT between W1 & W2), does emergency heat kick in all stages simultaneousl ... read more

BKraengel

"Trane XL80 Woes " , posted Mon 11 Aug 01:48:

I have a Trane XL80 in my attic. Thermostat: set to Cool, fan set to Auto - audible click, hum for a minute or so, off. Nothing for a couple of minutes, and exact repeat. This repeats as long as I hol ... read more

Burning Up

"Catch-All Refrigeration Dryer " , posted Sun 10 Aug 22:12

how often should you replace the Catch-All Refrigeration Dryer? ... read more

accce

"dripping condenser drain " , posted Sun 10 Aug 20:07

Help!! I've got a 6 y.o. Ruud a/c that's driving me nuts. Water drips onto the filter from the drain trays underneath the coil; this coil looks sort of like a double w. Water drips off of the cente ... read more

nitro vinny

"suction fluctuation - wall noise " , posted Sun 10 Aug 15:08

I'm a newbie. Daughter complained of noise in room. Location of noise in wall appears to be refrigerant lines - very noisy. Gotta think these should have been insulated...? Checked pressures to be sur ... read more

fyrbawl

"Switching Thermostat " , posted Sun 10 Aug 09:16

Hello,I have a Trane XR13 (cooling)/XR 80(heating system). I have a Trane 401 non-programmable thermostat. I would like to replace the Trane stat with a Lux9000TS. However, I realize the that T ... read more

donelove1

"problem with OBW on Climatouch CT03TS32 " , posted Sat 9 Aug 19:11

On my Climatouch thermostat the OBW lead remains at 27.8V permanently regardless of setting including when the thermostat is set to OFF. I also removed the wire from OBW at the thermostat and the outp ... read more

calangeles

"Converting from 3 phase to 1 phase possibe??? " , posted Sat 9 Aug 12:24

I have been sold a 5 ton Trane AC. Upon installation we found out it is 3 phase . The installer says he can convert it to 1 phase by replacing the compressor etc. Is this possible? If so how? ... read more

RTodd

"Converting from 3 phase to 1 phase possibe??? " , posted Sat 9 Aug 12:24

I have been sold a 5 ton Trane AC. Upon installation we found out it is 3 phase . The installer says he can convert it to 1 phase by replacing the compressor etc. Is this possible? If so how? ... read more

RTodd

"Converting from 3 phase to 1 phase possibe??? " , posted Sat 9 Aug 12:23

I have been sold a 5 ton Trane AC. Upon installation we found out it is 3 phase . The installer says he can convert it to 1 phase by replacing the compressor etc. Is this possible? If so how? ... read more

RTodd

"HVAC career question " , posted Fri 8 Aug 11:43

Hi, I hope someone can point me in the right direction. Thank You in advance.I work for a computer company and I've been in the field for 8 years. I want to take a trade and after looking into the ... read more

KMG1979

"Furnace Orifices " , posted Fri 8 Aug 11:13

I am in the process of switching from LP to Natural gas. I have changed dryer orifices before without any problem. Is furnace orifice replacement similiar? Where can I find the correct orifices?read more

cwhyle

"does this heater go to this central air unit? " , posted Thu 7 Aug 23:09

I have a bryant model 564b air unit and a model cpheater053a00 heater unit...do they go together??? and if they do how do I install it?? I can't seem to find a place to put the heater in the unit??? ... read more

wanamakb

"Outside unit not working " , posted Thu 7 Aug 22:21

Hi,We recently purchased our house. Within 2 months the outside unit of the Air condition has stopped working. The technician indicated that the compressor has stopped working and the whole unit w ... read more

vpurohit

"Lennox vs Trane " , posted Thu 7 Aug 19:30

All,Is the Lennox XP19 Heat Pump a private label Trane XL19i or vice-versa? ... read more

BKraengel

"Blower Fan not working " , posted Thu 7 Aug 10:00

I have a Carrier Weathermaker 8000 furnace and recently the blower fan does not run. I noticed that when I set the Thermostat from AUTO to Run the Fan does not come on a faint click can be heard.< ... read more

wus

"Condenser Fan constantly running " , posted Wed 6 Aug 15:44

I have a conser fan that is constantly running, even when the thermostat is turned off. I also noticed after leaving everything off all night, then turning it on in the morning, the pipes were ... read more

TVance

"Condenser Fan takes regular breaks " , posted Wed 6 Aug 03:05:

I have an old Goodman PG042100-1AB

"Commercial AC units " , posted Wed 6 Aug 01:28

Hello - we've sold one of our business properties and the new owner doesn't want the old building on it, so he's going to demolish it. Last summer we bought two new Trane 13 Seer split 5 ton units for ... read more

Lanachaddad

"Good Job or Rip Off? " , posted Wed 6 Aug 01:20

Hello - we have an old building (17 years) with old A/C units on the roof here in Vegas. My tenant complained about no A/C so I called in a repair guy that he recommended. Here's what he's trying to c ... read more

Lanachaddad

"Most Important Conference for Enterprise Cont " , posted Wed 6 Aug 01:18

Enterprise Content Management (ECM) is no longer just about technology, or just about content. It is about content, community, and context. The deluge of data and information, coupled with the ever-in ... read more

Shaguf

"changing the orfice on a xe 80 " , posted Tue 5 Aug 20:12

I have a trane xe 80 natural gas heating unit model unit TUD100C945H1 and serial number L101SUT1G. I want to change the orifice to a propane one and need to know what size to use. any info would be n ... read more

thomas1974

"Trane vs Honeywell " , posted Tue 5 Aug 17:24

All,I have a Trane XL19i 3H2C Electric Aux Heat Pump I want to hook up to a new Honeywell TH8321 Thermostat. The 4TEE Air Handler uses non-standard designations. 1. X or C are usually ... read more

BKraengel

"gas furnace " , posted Tue 5 Aug 13:16

I am looking to install a gas furnace for my 1200 sq ft home in ct. I got a quote on a 95% efficient 60000 btu trane furnace. The quote was for $6000 installed, is that high? ... read more

carolb447

"freezing coil " , posted Tue 5 Aug 12:17

What causes coils to freeze up and is it expensive to remedy? ... read more

Sp12

"Goodman A36-15 Blower Problem " , posted Tue 5 Aug 11:48

I have a Goodman A36-15 Air Handler/Heater. The A/C unit outdoors kicks on and everything is working except the Blower fan is on low setting. It does not push the air through the vents. You can onl ... read more

DFS