Latest threads in HVAC Discussionsshow only best voted threads
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Brandon new WindowS AC
New LG 12000 BTU unit set at 72. Cools 500 square foot den well. However it cycles every 3-5 minutes. Is this normal. On 3/off 1
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6 years ago
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6AWG connecting to a 30 Amp breaker
I am replacing my air handler in the attic with a newer and more efficient model located in a closet on the ground level. I will start at the main panel for (hopefully) some clarity. 60 Amp breaker...
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6 years ago
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R22
According to the latest AC newsletter...R22 has some new regulations coming up. I personally thought R22 was a dead issue to be replaced with substitutes or newer equipment.
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6 years ago
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AC Condenser Unit Relocation
One of my neighbors, as part of a backyard renovation/landscaping project, will be moving their condenser unit from a northern exposure, to eastern exposure. It is a 5 ton unit, and probably 2-3 years...
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6 years ago
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dielectric cooling of computer clusters
One company that I worked for has converted their computer clusters to dielectric fluid cooling. Not sure who kitted them out, but one such vendor is: Now what is the saving? You need to pump the...
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6 years ago
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TXV valve replaced, reversing valve replaced, lines flushed and a/c still isn't working! Help!!
Our central air stopped working about 6 weeks ago. We have 6-7 year old Tappan unit. We were getting air through the vents inside but the air was not cool and the compressor outside wasn't running. We...
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6 years ago
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Ac issue
I have an air exchanger in a walkin crawl space. One of the ac vent feeds about 6 ft. from the exchange has mildew around the outside foil ventilation pipe insulation. What is causing this? How can I...
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6 years ago
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Looking for A/C info - Tonnage and SEER rating
I am under contract to buy a home that has an older RUUD unit. The model number is Uead-1415j. I have tried finding info online on this unit and have been unsuccessful. Does anyone have specs on this...
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6 years ago
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Installed cost of a 24000 BTU 4-unit mini-split systm
Greetings! I just had an estimate for a 24000 BTU 4-unit mini-split Carrier system. I have a 900 Sq ft ranch--with a complete 900 sq ft semi-finsished basement. 3 units would go on the main floor (one...
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6 years ago
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air conditioner not working properly
The temperature never recovered after it automatically adjusted for power savings on Friday afternoon. Temp set at 77, thermostat temp says 90 degrees. Honeywell Utility Pro "smart" thermostat.
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6 years ago
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Is having no cold air return harmful
And how is it harmful?
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6 years ago
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Rheem AC
No power at digital thermostat unit. No lights on 4721517-22 board. Appears plastic cap of the largest capacitor on board is damaged. (Not the large starting capacitor) safe to say need new board?
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6 years ago
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Goodman hpt1860
I have all wires routed except for the brown one. Where does it go?
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6 years ago
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Restarting Chest freezer
I'm the guy with 12 chest freezers used in my business. I have two freezers that are hard to get started if left not running for long, otherwise they cool fine and run at or below -10*F. When empty we...
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7 years ago
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Supply Registers (6" Round)
How many supply registers (6" round) can a 5 Ton AC unit have? Specifications: Maximum CFM: 4,046 Cooling BTU's: 59,500 SEER: 16
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7 years ago
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