HVAC Discussions

Boiler Leaks Only After No Heat

Hi. I hope someone can give me a clue what might be going on. I have a new Burnham ES25 gas hot water boiler with indir...

2 comments posted 12yrs

posted by fivetownsresident

2 comments posted 12yrs posted by fivetownsresident

My God it so so quite here

=20 =20 =20 Man all trade guys must be making lots money this year =20

5 comments posted 12yrs

posted by tony

5 comments posted 12yrs posted by tony

HVAC training.

Hey, all. My brother is looking to get into HVAC in western NH (Keene). H e already has a class-A CDL with hazmat, and...

7 comments posted 12yrs

posted by ravenpi

7 comments posted 12yrs posted by ravenpi

replacing Schrader valves

Background: Failing AC system in western suburb of Chicago. Unit is 22 years old, Carrier 2 ton w/gas furnace 70k btu....

16 comments posted 12yrs

posted by sidwelle

16 comments posted 12yrs posted by sidwelle

water from unknown source at HVAC ceiling vent

All water pipes in my two story house are under the first floor and in the first floor walls to the height needed to su...

3 comments posted 12yrs

posted by gno52

3 comments posted 12yrs posted by gno52

high efficiency mandate

Can anyone tell me what the current mandate is for replacing existing furnaces with high-efficiency units ? I have herd...

5 comments posted 13yrs

posted by sidwelle

5 comments posted 13yrs posted by sidwelle

Another mini split question.

I currently have a 3 ton Trane that is on it's last legs. We have 2 mini split systems in this house already, one just...

2 comments posted 13yrs

posted by gfretwell

2 comments posted 13yrs posted by gfretwell

R134a compressor on R12 box

With a R134a condensing unit on a freezer designed for R12. It isn't working right, customer keeps saying the ice is me...

23 comments posted 13yrs

posted by cayoung61***scamblock

23 comments posted 13yrs posted by cayoung61***scamblock

condensate dripping from "A" coil fins and not going into drip pans

eleven year old residential split system, inside "A" coil fins are dripping condensate from the angled surfaces onto th...

2 comments posted 13yrs

posted by infoforme121

2 comments posted 13yrs posted by infoforme121

Need some R-22? - Boston Area

Old, but never opened. I bought it quite a while back in case I needed some, but never did. eBay listing is: http://tiny...

0 comments posted 13yrs

posted by jwisnia18DUMPTHIS

0 comments posted 13yrs posted by jwisnia18DUMPTHIS

Benefit of extra Freon?

OK I have a 25 year old house in suburban Chicago. Central AC is about 22 y ears old. I had it serviced Friday for the...

8 comments posted 13yrs

posted by signots

8 comments posted 13yrs posted by signots

Anyone buy their health insurance?

Just wondering what type of increases everyone is getting. I have a family of four with BCBS of Florida. In 2010 we had...

26 comments posted 13yrs

posted by nojunk

26 comments posted 13yrs posted by nojunk

Coil cleaner

Hi, Experts, Time to clean ODU coil what are you using? TIA,

1 comments posted 13yrs

posted by dragon40

1 comments posted 13yrs posted by dragon40

Indirect Evaporative Cooling Heat Exchangers Available

Good Day all, Just wanted to introduce myself, I'm Aster from Air Innovations, We're into manufacturing and sales of Ai...

1 comments posted 13yrs

posted by encubehx

1 comments posted 13yrs posted by encubehx

dual zone hvac conversion

Ok here is my solution to a cost effective solution for single to dual zone conversion. Some assumptions are that the A...

1 comments posted 13yrs

posted by IdahoHandyman

1 comments posted 13yrs posted by IdahoHandyman