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There are 2851 discussions here comprised of 36081 articles. Here are the most recent and the best rated threads in HVAC Discussions

The most recent discussions

need to fill a pipe half full


August 19, 2014, 3:58 am

I'm experimenting with heat pipes. I want to fill a foot of 1/4 copper pipe half full of freon. I don't have any way to recapture the freon, so I can't just over fill it and vent it till it gets t... Read more »

Refrigerant ex[plosion


August 11, 2014, 5:46 am

For those silly enough to think that can use propane as refrigerant in an air conditioning unit. I got an e-Mail in from a friend who said It was only a 2hp unit about 3kgs of propane. It cause... Read more »

Has anyone solved the evaporator dripping problem?


July 1, 2014, 9:27 am

Indoor unit is about 11 years old. Have been having a major condensate dripping problem from the A-coil fins for about 2 years now. This is NOT A DRAIN problem. I have seen that a number of posts... Read more »

All: HVAC Traders


June 29, 2014, 4:23 pm

Gone on Vacation Cancun, Bahamas and Rio Janeiro to watch a Succor Games = WOW Read more »

How to install a mini-split unit, Russkie style


June 25, 2014, 3:50 pm

prepare to laugh http://englishrussia.com/2008/10/01/only-in-russia-9/ _____________________________________________________ Knowledge may be power, but communications is the key dannyb@p... Read more »

AC checkout/tune up $89 a good deal?


June 3, 2014, 2:57 pm

One of the big HVAC companies in the area has a coupon where you get an AC checkout, cleaning, etc for $89, including 2lbs of free refrigerant (not necessairly freon so Stormin doesn't have a fit)... Read more »

Carrier 58DHB055-cc


May 29, 2014, 6:38 pm

are parts available for the restoration of the Carrier 58DHB055-cc? Read more »

Power Consmption for my split-ac unit


May 28, 2014, 5:38 pm

I had a split ac unit installed in my condo a few weeks ago. Since my build ing is older, there was no power outlet outside on our balcony. So the inst allers modified my baseboard to use its power... Read more »

Is it alright to us Pro A/C in R22 system?


May 22, 2014, 10:31 pm

Oreilly Auto sells Pro A/C for recharging auto AC. What happens if Pro A/C is put into household system designed for R22? Read more »

Painted Radiator


May 22, 2014, 12:41 pm

Our house has old-fashioned cast iron radiators warmed by hot water from th e boiler. We're painting one of the rooms in which the radiator has been pa inted over with flat latex wall paint to matc... Read more »

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The best rated discussions

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5

Honeywell "round" thermostat schematic


Anyone know where I can find a functional schematic for one of the old mercury-switch Honeywell round thermostats ? THanks ! Read more »

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Honeywell Humidicalc Recommended Instead of Outdoor Sensor? (Automatic Humi...


[Note: also posted in alt.home.repair, but I'd also like to get any helpful information from this group.] Is there a consensus whether Honeywell's Humidicalc is better or worse than using an actu... Read more »

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Electric Thermal Storage (ETS) Heat


I'm replacing a 30-year old natural gas furnace and air conditioner this fall. Does anyone have any experience with the Steffes ETS product line? It looks like I can replace my current system with a... 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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Best brand, model for forced air gas furnace?


What do the pros put in? Variable speed? 2 speed? single stage, dual stage? Brands and Models? This is for a new house, 1900 Sq. ft, main floor, over an unfinished basement, and a 900 Sq. ft. half s... Read more »

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5

Carrier 58 furnace pilot gas valve


description of the lighting sequence of 58-type Carrier furnaces (see below). All this [see below] makes senso to me, but what I do not understand is why the design is using pick AND hold signals for... Read more »

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1 Ton Split


Anyone know who might sell a 1 ton air handler/condenser ? Tried to talk him into a mini-split but he's adamant. Any help appreciated. B- Read more »

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Buy Mitsubishi Mr Slim Ductless Air Conditioning at AcOverstock.com


http://www.acoverstock.com/ductless-air-conditioning-systems/mitsubishi-mr-slim-ductless-air-systems.html The Mitsubishi Mr.Slim is the perfect way to make your room or workplace more comfortable W... Read more »

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How to adjust oil furnace electrodes and flame?

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Hi folks, I have an old cast iron boiler that used to burn coal back in the 1940's, and had been converted over to heating oil. It uses a pretty standard looking 3450 motor that's about 30 years ... Read more »

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Need wiring diagram for Lennox condenser 10AC42-3P

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Does anyone have a wiring diagram for a lennox condenser (10ac42-3p)? I have a Lennox condenser unit which has blown a few wires and the leads going into the capacitor. The blown cap doesn't have a... Read more »