HVAC Discussions

What's bad about flex duct?

I posted a question about furnace ducts that quickly turned into a flurry of emotion. Buried in the noise there appeare...

16 comments posted 16yrs

posted by spamme0

16 comments posted 16yrs posted by spamme0

Hot Water Furnace Additive?

After draining my gas hot water boiler system, is there any sort of water additive I should add (e.g. anti-corrosive) wh...

20 comments posted 16yrs

posted by dms1casino

20 comments posted 16yrs posted by dms1casino

Noise suppression in ductwork? Minimum segment length?

I had a new Coleman 99.5% gas furnace installed. The return duct is a 25' 16" diameter metal straight shot from the...

16 comments posted 16yrs

posted by spamme0

16 comments posted 16yrs posted by spamme0

Baseboard Hot/chilled water vs. forced air: efficiency

All -- Which is more efficient? Clearly (I think), baseboard water systems are the much more expensive initial install....

2 comments posted 16yrs

posted by UNfitcat

2 comments posted 16yrs posted by UNfitcat

Pellet stoves?

Anybody know if there is a forum for discussing pellet stoves? I just bought a Harman Accentra and wanted to compare no...

0 comments posted 16yrs

posted by Oppie

0 comments posted 16yrs posted by Oppie

Converting an air conditioner to a heat pump

How feasible would it be to convert a split air conditioner to a heat only heat pump? I still have too many projects to...

20 comments posted 16yrs

posted by dcaster

20 comments posted 16yrs posted by dcaster

Something for the Groups Problem Solvers:

Photo: Echoforsberg/Flickr This can't be healthy. Researchers have discovered radioactive rabbit poop spread around...

3 comments posted 16yrs

posted by ocean

3 comments posted 16yrs posted by ocean

Is it worth it to go to a 95% furnace?

------------------------------------- I currently have TWO 80% 20 year old Tempstar 150K BTU furnaces, one for each flo...

9 comments posted 16yrs

posted by kris60660_at_yahoo_dot_com

9 comments posted 16yrs posted by kris60660_at_yahoo_dot_com

Jumping out a Chonotherm III

All -- If I wanted to bypass or jump out a chronotherm III, where the furnace is connected to W1 and C screws, how woul...

21 comments posted 16yrs

posted by UNfitcat

21 comments posted 16yrs posted by UNfitcat

Jesus and the Burglar

Jesus and the Burglar A burglar broke into a house and shined his flashlight around looking for valuables. He picked up...

0 comments posted 16yrs

posted by .p.jm.

0 comments posted 16yrs posted by .p.jm.

how far to cost-effectively pump air?

Now let us suppose that we have a free source of rotating-shaft power in location A. And let it be further posited that...

4 comments posted 16yrs

posted by dances_with_barkadas

4 comments posted 16yrs posted by dances_with_barkadas

Flame sensor - please help

I have a Carrier 58MCA that is not working. I replaced the flame sensor last December and it was fine all winter. Now i...

8 comments posted 16yrs

posted by blue

8 comments posted 16yrs posted by blue

make up air

------------------------------------- john johnson Church boiler coil is hot but when air handler is on, cool air pushe...

10 comments posted 16yrs

posted by pmaddox_at_kc_dot_rr_dot_com

10 comments posted 16yrs posted by pmaddox_at_kc_dot_rr_dot_com

Furnace or Thermostat issue?

Hi Everyone, I recently replaced my thermostat and upgraded from a mercury based thermostat to an electric programmable...

12 comments posted 16yrs

posted by j_kirkby_at_yahoo_dot_com

12 comments posted 16yrs posted by j_kirkby_at_yahoo_dot_com

Re: How cold is "beer-can" cold?

It depends on how many you already drunk that day. In my case, being active Mormon, I don't drink alcohol. So, beer...

5 comments posted 16yrs

posted by cayoung61**spamblock##

5 comments posted 16yrs posted by cayoung61**spamblock##