"Paperless Invoicing " , posted Wed 15 Nov 14:37

myServiceForce.com is a complete solution for the field service industry, (especially Plumbing, Electrical, HVAC and Pool Service) that combines an Internet-based service management and dispatch syste ... read more

myServiceForce

"Heil LP Conversion " , posted Sat 11 Nov 21:10

Maybe someone can help. I have a horizontal forced air Heil gas furnace. Model #GH 80LE-9R Ser# H63453430 I would like to convert it to LP for a garage installation. Do I need a specific kit or is the ... read more

garageman

"goodman gun125-5 (question) " , posted Tue 7 Nov 07:33

"goodman gun125-5 (question)" , posted Tue 7 Nov 07:32--------------------------------------------------------------------------------hi there / ok first i'm a girl, so don't expec ... read more

tryin here

"York Diamond 80 dead blower by Emily Latella " , posted Sun 5 Nov 10:36

10 year old diamond 80 has no blower running either heat or AC. just replaced gas valve to solve an ignition problem. a week later woke up to a cold house and a popped breaker - reset and the blower w ... read more

zoomtoob

"no electric heat " , posted Thu 2 Nov 21:52

heating contactor engaged,blower shuts off. has a call for heat. ... read more

swa

"swimming pool heatpump " , posted Thu 2 Nov 01:50

I want to communicate with someone who is selling or distributing swimming pool heatpumps. I hope that we could discuss something about the heatpump. I also would like to make friends in different cou ... read more

jiely09

"Help need advise " , posted Fri 27 Oct 19:30

Hello everyone im based out of calfornia and have been doing commercial refrigeration for about 4 yrs but recently been thinking about going into supermarket refrigeration, can any give the pros and c ... read more

remco

"thermostat help " , posted Thu 26 Oct 10:39:

I need assistance changing from an old Honeywell thermostat T874R/Q674L to a Honeywell digital model RTH7400. The old base had 7 wires connected on the following terminals blue on B, orange on O, yell ... read more

mikef

"switch from T8600C to T8611M " , posted Sat 14 Oct 22:21

Hi,Could you please tell me how to switch from T8600C to T8611M Chronotherm III Heat Pump Thermostats? Thanks in advance!Joy ... read more

joy

"help with reznor infrared heater " , posted Fri 13 Oct 10:01

have a reznor model rihvl 90 not sure if it is propane or natural gas,i want to set it up for propane,printed out all the manuals for it , plan to run it off of a 40 lb propane tank for the garage , w ... read more

midway

"Hussmann Display Freezer " , posted Fri 6 Oct 00:38

I have concerns on a Hussmann ARL01950 that is somewhat noisy .A repairman said "its about normal" but sounds like a noisy cheapo dishwasher while the other boxes sound like a home refrigerat ... read more

FSGS

"Someone remind me !!!!!! " , posted Sat 23 Sep 22:04

Been away from refrigeration service for quite some time and school even longer than that .............. to test for superheat I know you take your suction # and covert to a temp, take the temp @ the ... read more

kopec_wayne

"some help with a bang " , posted Sat 23 Sep 18:00

1. If you have a 1 horse power compressor and need to replace the cap tube but you don't know the size of the original tube, I have paper that states for a 1 to 1.2 horse power compressor you need #4 ... read more

miller2000

"question on changing blower motor Trane unit " , posted Thu 21 Sep 20:26

Help! I am changing a blower motor fan out on a Trane rooftopunit. Here's my situation: the motor I took out was a GE motorwith 3 wires going to it which I unhooked to get the motor out.Th ... read more

fixitnow2

"5 ton condensor on roof, rise/orphice size? " , posted Tue 19 Sep 16:40

Today, I had to change out a bad Copeland compressor on a unit that was around 3 years old I believe. The furnace is located in the basement of the building, and the condensor is located on the rooft ... read more

Chuck78

"what is Commerical Service ? " , posted Tue 19 Sep 12:20

is it the same as Commercial Service ? ]:) ... read more

azimuth

"vibrating condensing fan motor " , posted Mon 18 Sep 16:11

Two self contained 5 ton. ea. Amana heat pumps, we just replaced the condensers' fan motor and blades.They are runing good but I've noticed too much vibration on both of them, compared with ot ... read more

jlariosootc

"walk-in cooler " , posted Sat 2 Sep 14:08

I've been working on a wallk-in cooler and going crazy. any help would be nice. it was down when i got to it, i got stuck with it. it is doing something i have never seen. the txv is shutting off the ... read more

jamesb69

"Commercial Ice Makers-Flake & Cube Ice Maker " , posted Thu 31 Aug 00:42

China Commercial Ice Maker, read more

sddragon

"help with commercial carrier unit " , posted Sat 26 Aug 04:51

Help! I have a commercial Carrier unit that the blowermotor works fine but the condensing fan motor will notrun. I originally replaced fuse on unit as it was blown.When I check amps of mot ... read more

fixitnow

"split sanyo liquid line freezing. " , posted Mon 21 Aug 11:57

Hey,I have a split sanyo unit that is freezing at the suction line in the outside unit.Filters are clean.Supp. temp is 63 deg.Any ideas?? ... read more

headpressure

"Carrier LID and CVC " , posted Mon 21 Aug 01:17

Anyone using the Carrier chiller with the LID or CVC module? We are know that when the LCD display of them was damaged, we are need to buy a new module, becasue we can not only buy the LCD display. Th ... read more

can

"Carrier Single Package Rooftop Heat Pump " , posted Sun 20 Aug 09:28

Hey ya'll,Looking for a little help. This Carrier rooftop heatpump trips the low voltage transformer after 0-10 seconds run time. Have removed all components and add one by one. Longest run it is ... read more

triplerservice

"info. tag " , posted Thu 17 Aug 18:42

On the info.tag on a ac unit has volts,phaze and so on. What dose L.r.a. STAND FOR. ... read more

GENO

"display cooler " , posted Thu 17 Aug 09:09

I recently purchased a double door pop cooler (like the ones in convenience stores).I would like to lower the temperature abou 10 dergrees inside the unit.Is there a simple adjustment I can make mysel ... read more

kiwikiwi

"HVAC industry magazines/coverage " , posted Sun 13 Aug 20:39

Is there any particular magazine/publication/whatever that's the "main" communciations channel to the HVAC community? We have a product [a terminal emulator] for the Palm Treo phone/PDA and w ... read more

Tec

"Carrier oils " , posted Fri 11 Aug 23:15

Anyone know that the difference between "Carrier" PP23BZ104 and PP23ZB110. Both oils have the label, showed PP23BZ104 is used for 23XL and PP23BZ110 used for 23XL and 23XR! The 23XL chiller use which ... read more

can

"Unitary Information source need " , posted Fri 11 Aug 15:34

I have acquired a Sun Manufacturing Co packaged unit that came out of service from a cell site. I have been trying to locate a model number plate with no luck. It looks like Sun was merged into Fedder ... read more

fgcox1

"hvac rooftop unit " , posted Fri 11 Aug 00:03

water drips down into my building through my unit when it rainsis my unit missing a drainage pan ? ... read more

dirkster71

"Need some help with this system " , posted Sun 6 Aug 23:57

http://www.turbobuicks.com/forums/showthread.php?t=53712 See if that works. It has everything already ... read more

Intercooler

"online design training " , posted Wed 2 Aug 20:52

Hi Guys,Check this out, I just found this cool site - they offer real deep onine engineering courses in commercial hvac desing. These guys even have online tutors, they can answer any of y ... read more

watsonr

"Ductless A/C Systems ?? " , posted Tue 1 Aug 14:09

I am looking for thoughts, recommendations pro/con on the newer ductless A/C systems. To be installed in a single wide mobile home used for vacations only, located in the Lake Mead/Las Vegas area (ho ... read more

lo & slo

"Lennox Thermostat to Lux " , posted Tue 1 Aug 01:36

We have an old Lennox Thermostat (marked LR1620) that we we like to replace with a Lux PSP511 programmable. The terminals on the back of the two are labeled differently. The Lennox has terminals label ... read more

fosterr3

"Help my coil " , posted Sat 29 Jul 18:42

I currently have a Gaffer and Sattler coil on top of my heating unit. I believe the model # is 3/3-5eru-c3, serial # B07615L and there is another number 048-4067600. I also believe it is a 10 sear un ... read more

blacksting2

"slim outdoor heat pump " , posted Fri 28 Jul 12:29:

newbie here, have a question....i need to spec a 3 ton packaged roof top heat pump not split system and it needs to be as short in height as possible. the shortest i can find is about 33" or s ... read more

rcastells

"Help needed with commercial Trane ASAP! " , posted Thu 27 Jul 15:06

Help,My business A/C unit had a leak in the outside coil. We soldered it but now we get no cooling. Compressor is running (feels cool not hot). The inlet side is warm and the outlet side is cool. ... read more

JohnnR

"furnace and AC will not power up " , posted Tue 25 Jul 19:58

My furnace and AC still won't turn on after replacing the thermostat. The circuit breaker is on and the switch for the furnace is okay. I been told that it maybe the trasformer is bad.It is e ... read more

nonespicy

"Bev Air cooler icing up " , posted Tue 25 Jul 18:41

Our two Bev Air draft coolers (DD78) keep icing up on the evaporator. I can't find any info about a dfefrost timer. This mostly happens in the summer, but it does happen year round.Any sugges ... read more

greggo151

"Compressor start delay " , posted Tue 25 Jul 12:08

With my permission, the local powewr company has installed a remotely activated device to shut down my AC compressor for 15 minutes to aid in load shedding.My Lennox HS14 has a buit-in in 1 mi ... read more

BarryIsland

"Lennox return air fan " , posted Mon 17 Jul 15:45

We have an old rooftop lennox unit on our legion building. We need a new return air fan unit and unfortunately, you can no longer buy a new one. Does anyone know where we could get a used replacemen ... read more

Legion24