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The most recent discussions

Power plug wiring


May 12, 2013, 7:15 pm

As I am not in America I do not know which connection are active and neutral on your power plugs, so looking at the wirings side of the plug please let me know which way they are connected. ... Read more »

experience with portable heat pumps?


May 1, 2013, 5:34 pm

I am asking about the type of portable heat pump which draws in two streams of air from the room. One stream is cooled and expelled through a vent hose, and its heat is transferred to the other strea... Read more »

No Voltage at Thermostat


April 30, 2013, 6:13 pm

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 circuit breakers in the garage including the one on the blower---did nothing. I ... Read more »

HVAC Proposal Review


March 28, 2013, 8:59 am

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 to HVAC systems and could use some h elp reviewing this proposal. Does it... Read more »

Location of CO detector (inside HVAC ducts?)

  [ 2 ]
March 12, 2013, 11:07 pm

The instructions that come with residential CO detectors tell you to place them on the ceiling, outside each bedroom, and have at least one on each level of the house. They say to not put them in ... Read more »

Tonnage for allstyle coil AS30A224TRH


March 8, 2013, 6:34 pm

Can anyone tell me the tonnage on allstyle coil AS30A224TRH? Appreciate it. Read more »

6 times per hour versus 3 times per hour


February 18, 2013, 1:42 pm

I have an 80% efficiency forced air furnace. I think it is oversized for the temperatures I keep my townhouse at. When we had single digits in NJ it was still cycling 6 times per hour and I do... Read more »

Indoor air quality problems

  [ 2 ]
February 15, 2013, 6:11 pm

A couple friends of mine, the wife and at least one of the adult children are sensetive to organic chemical vapors. To the point of having to buy low VOC latex paints, for the house. Recently, it... Read more »

Changed blower motor--noisy at slow speed


February 10, 2013, 8:20 am

Installed Fanhandler speed control with brand new Baldor motor on existing (older) furnace. At slow speed, the motor makes a high-pitched turning noi se like a helicopter. If I speed up the mini... Read more »

Condensation between the panes of 7 yr. old skylight.(s)..okay to leave it ...


January 26, 2013, 11:17 pm

I live in a condo, and I'm just noticing condensation between the panes in = a 7yr old Velux skylight that was installed when the roof was replaced. Ac= tually, there is a 2nd skylight installed at ... Read more »

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The best rated discussions

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5

Furnace Filter Szie


This summer we had a new Trane furnace and air conditioner installed. The furnace filter size was left the same size from the old unit. I was told by someone that when they had their furnace upgraded... Read more »

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5

Biocide 4-stage air purification system


I will appreciate receiving opinions from anybody experienced with the Biocide 4-Stage air purification system. Thanks. Ed www.biocidechamber.com Read more »

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5

Heat Pump COP with solar-warmed inlet


The COP of a geothermal heat pump is given for inlet water temperatures in the range of 30-50F as being from near 1.5 to about 3.0. Does anyone have any data on what the COP would be if the inlet te... Read more »

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5

Carrier Comfort Zone thermostat


My Carrier Comfort Zone 4 zone thermostat has an option area that is specific to installation/service. I cannot find any model number but the circuit board does contain the letters CZCT rev. 1.3 on i... Read more »

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5

Pellet stoves?


Anybody know if there is a forum for discussing pellet stoves? I just bought a Harman Accentra and wanted to compare notes. It's been a few years since I've posted here. Last was asking about our ... Read more »

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5

Best replacement for R12


There are a few older vehicles on the road running with R12. R134 is'nt a great replacement, but are there any superior to R401a (dupont MP39) for performance and changeover ease? I assume standard... Read more »

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5

AC Sizing and compatability


My son and I bought a foreclosure for he and his wife to live in. We are having Gas heat and electric AC put in. My son is in construction and was given the name of an HVAC company who gave us a grea... Read more »

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5

Easy, Safe & Permanent Swamp Cooler Pan Repair


I have seen several threads on this informative hub regarding Swamp Cooler Pan Repair - Issue: As the swamp cooler ages, the pan that holds the water may deteriorate, become rusty and develop small h... Read more »

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5

Thermostat Transformer


My White Rogers programmable thermostat died yesterday. My wife came home and found the house very cold so she turned the system off. When I looked at the thermostat I found the LCD panel was backli... Read more »

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5

Heater Hustlers from Canton again: HEAT SURGE Roll-n-Glow Fireplace


Well, it's the silly season. My local paper just ran a full-page ad for the HEAT SURGE Roll-n-Glow Fireplace. It is an electric heater disguised as a fireplace (fireless flame) and sold wrapped in a... Read more »