Latest threads in HVAC Discussionsshow only best voted threads
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fan location for solar collector
I have 200 SF (25' * 8') of pass through solar collector on my south facing wall. I've made some changes to my home and need to redo the ducting on the collector. Pass through collectors run the air...
2
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12 years ago
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Honeywell MagicStat thermostat -> questions about jumper settings on the back
I've got a Honeywell MagicStat thermostat that has 2 jumpers marked as "A" and "B" that are opened or closed by a screw head that you tighten (to close the jumper) or turn out (to open the jumper)....
28
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12 years ago
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28 | |
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Two stage furnaces and thermostats
My LPG furnace developed a heat exchanger leak and so it has been replaced with a high efficiency two stage furnace. The old furnace was also a high efficiency furnace but just a one stage 100k BTU/...
25
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12 years ago
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25 | |
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Sno weather
Hi Guys well I guess you are all madly shovelling snow in preparation for Christmas, quite different here, two days ago we had 38 c (100.4) and around 68% !! Heat index 142 f Time here is 4.08 PM and...
6
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12 years ago
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6 | |
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R 410 A
Anyone been using R 410 A. I see by the charts the pressures are a lot higher than R22.
5
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12 years ago
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5 | |
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Broiler Frame Color for Propane
I have a Weil-McLain VHE serial 3 broiler for my water baseboard heating system. It is about 21 years old and is working good but worried about the flame color. The 1st 3/8" of the flame is blue but...
2
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12 years ago
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2 | |
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An interesting old compressor
Many years ago here in Australia a company had a compressor. For the life of me I cannot remember the name of that company at the moment, sorry. Anyway this company used to build open compressors,...
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12 years ago
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Combi Boiler fault, would appreciate some advice please.
I have a Fagor Combi Boiler model FE24E. Fault is that it will not ignite. It makes all the usual noises, clicks etc, but no flame. You can hear the ignition spark, click away during fire up, and...
7
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12 years ago
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7 | |
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Ancient ammonia compressors
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12 years ago
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1 | |
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Light for over the van work bench
Just as an example, I have two LEDs backing up main lights, both for accent and secondary lighting in bathroom. Luxeon warm white up top against yellow walls, Cree warm white above sink. Running 50...
3
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12 years ago
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3 | |
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Darn, Some Of Things I come Across
I just fixed the furnace for a little old lady who was a customer of me and my friend who passed away a few weeks ago. Mrs X would always call us when she had a problem and she really liked my friend...
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12 years ago
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A technical question
A technical question. Using R22 I want to know what is the idea range of head pressure to get the maximum heat out if the system with the least power input, IE the most efficient head pressure on...
81
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12 years ago
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Entering the HVAC field
I have a close friend whose son has gotten a Pell grant to train for HVAC work, he had been considering working towards Aircraft Mechanics. My friend was concerned about this change of field (because...
7
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12 years ago
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Ever seen gurgling this bad in a 95% furnace Water Trap ????
would cause such violent gurgling to where it spills out of the Trap like this ? Discuss please.
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12 years ago
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Do modern HVAC coils still use lead solder?
Howdy, I was thinking of changing an old heat pump into a chiller by immersing the evaporator coil in a water bath, and then pumping the water through another coil. Don't want to do it if there is a...
5
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12 years ago
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