HVAC Discussions

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Proper Coil Placement - Before or After Furnace?

I have a crawlspace with a horizontal furnace -> coil placement. The coil needs to be replaced, but the tech cannot fin...
2 comments posted 13yrs
posted by garey.taylor
2 comments posted 13yrs posted by garey.taylor

direct vent boiler?

I have a gas boiler in my basement and its vented outside with double wall pipe but looks ugly. I would like to know if...
3 comments posted 13yrs
posted by kieran traynor
3 comments posted 13yrs posted by kieran traynor

Wiring Schmatic for Compacitor

Does anyone know where I can find a schmatic for a condensing unit manufactured by EVCON MODEL:FRCS0241BA SERIAL NO: 950...
1 comments posted 13yrs
posted by Audo
1 comments posted 13yrs posted by Audo

legionnaires' disease

I am well aware that potentially deadly legionnaires' disease can occur in cooling towers, in fact one I used t service...
0 comments posted 13yrs
posted by ramrod
0 comments posted 13yrs posted by ramrod

Can you explain this to me?

In our business we use 12 chest type freezers. The freezers go in and out of service once or twice a year. Occasionally...
3 comments posted 13yrs
posted by amdx
3 comments posted 13yrs posted by amdx

Power plug wiring

As I am not in America I do not know which connection are active and neutral on your power plugs, so looking at the wir...
9 comments posted 13yrs
posted by ramrod
9 comments posted 13yrs posted by ramrod

experience with portable heat pumps?

I am asking about the type of portable heat pump which draws in two streams of air from the room. One stream is cooled...
3 comments posted 13yrs
posted by briansandle
3 comments posted 13yrs posted by briansandle

No Voltage at Thermostat

My AC worked fine this AM and later in day blowing warm air. The outside unit did not turn on. I checked and reset the...
5 comments posted 13yrs
posted by Jimmi328
5 comments posted 13yrs posted by Jimmi328

HVAC Proposal Review

All, I recently received a proposal for a new HVAC system to be placed in my 2-s tory home. I am clueless when it comes...
4 comments posted 13yrs
posted by tommymaene
4 comments posted 13yrs posted by tommymaene

Location of CO detector (inside HVAC ducts?)

The instructions that come with residential CO detectors tell you to place them on the ceiling, outside each bedroom, a...
23 comments posted 13yrs
posted by Home
23 comments posted 13yrs posted by Home

Tonnage for allstyle coil AS30A224TRH

Can anyone tell me the tonnage on allstyle coil AS30A224TRH? Appreciate it.
1 comments posted 13yrs
posted by jainaashish
1 comments posted 13yrs posted by jainaashish

6 times per hour versus 3 times per hour

I have an 80% efficiency forced air furnace. I think it is oversized for the temperatures I keep my townhouse at. When...
5 comments posted 13yrs
posted by jaynews_nospam_
5 comments posted 13yrs posted by jaynews_nospam_

Indoor air quality problems

A couple friends of mine, the wife and at least one of the adult children are sensetive to organic chemical vapors. To...
26 comments posted 13yrs
posted by cayoung61***spamblock
26 comments posted 13yrs posted by cayoung61***spamblock

Changed blower motor--noisy at slow speed

Installed Fanhandler speed control with brand new Baldor motor on existing (older) furnace. At slow speed, the motor ma...
0 comments posted 13yrs
posted by dan.martinic
0 comments posted 13yrs posted by dan.martinic