Latest threads in HVAC Discussionsshow only best voted threads
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evaporative aircon a fire hazard?
A recent bushfire in Western Australia destroyed about 70 houses. It is claimed that some of these houses burnt because of embers getting in the evaporative air conditioners. Often trees near the...
9
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13 years ago
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9 | |
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Furnace reads 55volts on W ?!
From what i understand now (thanks to Mike), is that there should be No Voltage at all on W. I mean, i've even pulled the thermostat wire off. So... where could it come from?
10
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13 years ago
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10 | |
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Last Kiss
A tough looking biker was riding his Harley when he sees a girl about to jump off a bridge so he stops. "What are you doing?" he asks. "I'm going to commit a suicide," she says. While he did not want...
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13 years ago
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NEw Residental HVAC Advice Needed
I am going to start looking for a replacement for my 20+ Carrier HVAC gas heating system on my home - split - and I want to know what to expect from the new systems. Are the high SEER units worth the...
2
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13 years ago
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2 | |
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Hunter B01 thermostat (44110)
I have a 4-wire system, but t-stat requires me to guess whether the weather is going to be too hot or too cold because I have to choose heat or cool mode via a switch. It won't do both at once....
5
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13 years ago
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5 | |
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lennox hp19-411
have a lennox HP 19-411 heat pump. After not needing AC for a couple of weeks I turned the thermastate to cool but after a couple of hours noticed the house was not cooling. Went outside to compressor...
1
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13 years ago
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1 | |
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Heater shutting down and needs reset to turn back on
I have a heater that when turned on works for a while, sometimes getting up to temp in all zones sometimes not then turns off and needs to be switched off for 10 min or so before being switched back...
4
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13 years ago
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4 | |
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Aprilaire / Furnace always on UPDATE
Hello.. I have measured 55volts across W and C on the Furnace. Is this normal? I noticed that the problem goes away if i disconnect W. (The problem is that a correctly wired Aprilaire 500 with digital...
22
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13 years ago
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22 | |
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Cold
I just got off the phone with a friend in Minnesota . He said that since early this morning the snow has been nearly waist high and is still falling. The temperature is dropping below zero and the...
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13 years ago
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Wired my Aprilaire model 60; Furnance Always On?!?
If I disconnect the humidistat, the furnace works fine. If i wire up all the connections for the humidistat except for the "C", the furnace works fine (but humidistat not yet). As soon as i even touch...
40
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13 years ago
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40 | |
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Oxyhydrogen Radiant Heater
His obsession with this subject and his lack of delusional ranting suggests he's somewhere in the autism spectrum. In which case, he's just trying to talk about something he's really, really,...
6
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13 years ago
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6 | |
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what is aircon HP rating?
Where I live, automobile aircons are usually rated in tons (of ice). Whereas house aircons are rated in BTU/h, kW or HP. Now I know that one ton is pretty close to 12000 BTU/h and 3500 W, but how is...
18
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13 years ago
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18 | |
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Purely-Natural Gas-Fired Blue-Flame Infrared Radiant Heater
Hi: I=92m thinking of hypothetical purely-natural gas fired radiant heater in which the significant emitter of thermal radiation is the flame itself. The fuel is purely-natural gas. By =93purely...
6
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13 years ago
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6 | |
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20 x G -- idea to consider
Get the training, education, and experience you need, then you don't have to worry about pinching pennys and trying to be the lowest price. When you know what your doing, you can charge what your...
2
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13 years ago
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2 | |
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portable air conditioners: efficiency compared to fixed systems?
I have seen portable systems claiming an EER of 12. I think this is based on the cold air coming out and does NOT consider the thermal leakage. So just a rough guess, if the machine is radiating...
2
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13 years ago
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