Topic: HVAC Talk
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Answers to Common Questions
How to determine age of furnace - HVAC-Talk:
Thanks for the reply, Saylor. The furnace has been making weird noises this past winter so we were really thinking of replacing it. Another question. Would it be better to have the new furnace installed by a contractor or by our local gas c... Read More »
Source: http://hvac-talk.com/vbb/showthread.php?p=6835122
how are technicians paid - HVAC-Talk:
There is no answer on here that can help you. Only those in the market area your working could tell you. With that being said, this is not the proper forum for the discussion. You would need to apply for and recieve professional membership ... Read More »
Source: http://hvac-talk.com/vbb/showthread.php?t=611192
why do capacitors fail - HVAC-Talk:
I don't know, in a months time I pulled a milk crate full of York caps out of Lennox units 5 tons and under, and under two years old. (around 2004-2005 model units). No explanation as of why they puffed and failed. Lennox actually sent the ... Read More »
Source: http://hvac-talk.com/vbb/showthread.php?t=147304
More Common Questions
Answers to Other Common Questions
Nobody is really answering your question. Here we have community colleges and tech. schools which teach it. I don't know what certification they give. I don't think they would offer such a course, but couldn't you pretty much teach a guy ho...
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Source: http://www.contractortalk.com/f6/where-learn-hvac-52376/
Sorry for the second post on this but forgot about the ICC Commentary. According to the commentary: #2 " A rough-in inspection is an inspection of all parts of the mechanical system that will eventually be concealed in the building structur...
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Source: http://hvac-talk.com/vbb/showthread.php?p=1206370
You have to be careful when charging refrigeration units. If you fill the sight glass too soon it will be way over charged. You will have to put enough refrigerant in the system that it starts to bring the temperature down to setpoint and t...
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Source: http://hvac-talk.com/vbb/showthread.php?p=4200612
Every picture of the installation you have on a residential coil will work. 2-3" thick coils are not a problem for UV irradiating the surface 24/7 to penetrate and clean. Commercial coils we deal with are 8-14" thick and we can eventually p...
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Source: http://hvac-talk.com/vbb/showthread.php?t=562952
You won't get a definitive answer. Some say no tools. Others say lots. One would assume that you have some basic hand tools. If not, consider getting those. Some of the other stuff wanders over into specialty and/or expensive territory. Som...
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Source: http://hvac-talk.com/vbb/showthread.php?t=595822
I personnaly have nothing against a union but, I do have a to say a union is for the employee and not the employer. If you are a hard working individual and you show your boss you are and, he's a fair boss you don't need to be in a union to...
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Source: http://hvac-talk.com/vbb/showthread.php?t=160070
If you have the CFM, the entering and leaving drybulb and entering and leaving wetbulb, the formulae are: CFM x 1.1 x (Drybulb in - Drybulb out) = Sensible heat in Btu's CFM x .68 x (Grains in - Grains out) = Latent heat in Btu's The sum of...
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Source: http://hvac-talk.com/vbb/showthread.php?t=60458
