Best Rated threads in HVAC Discussionsshow all threads
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Goodman GMP075-3 Furnace - Quick Question
Goodman GMP075-3 Furnace.. LP .. What consumption rate should this thing have in terms of GPH or similar? What should the hot air output temp be? Thanks
8
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17 years ago
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Carrier 58 furnace pilot gas valve
Way back in 1999 someone called sonofdawra wrote a very helpful 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...
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17 years ago
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zoneline 3100 fan won't shut off??
my zoneline 3100 fan continues to run in the off position. I have changed the main board and main switch. I hear a relay "pick" as soon as the unit is plugged in. Currently I leave it on low heat and...
4
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17 years ago
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Carrier vs Comfortmaker
I've gotten 3 quotes for a new central 5 ton A/C unit here in central Flori da. My last Trane unit lasted 12 years, so I thought why not get another. But 2 companies said they would recommend a...
5
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8 years ago
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5 | |
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Clean oil residue from inside refrigerant hoses
My vacuum pump, (soon to be formal vacuum pump), abruptly shut off while I was pulling a strong vacuum. The vacuum it created self sucked some vacuum pump oil into the refrigerant hoses that were...
18
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17 years ago
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TRANE XL80, replace control board, or whole furnace?
I have a TRANE XL80 two stage upflow furnace that is eleven years old, with a programmable thermostat. The furnace quit working, I called a technician. He said the problem is the integrated two stage...
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17 years ago
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Vacuum Pump Oil - closest "tide me over" substitute
Let's assume you discover your pump is totally dry on a weekend job and your jug of vacuum pump oil is empty and Johnstone Supply is closed until Monday. Now let's also assume there's a NAPA auto...
18
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17 years ago
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18 | |
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Flakes of brown paper coming from vents...???
I keep a pretty close eye on our central HVAC unit (located up in the attic), and vacuum-clean the coils, check for leaks, etc. myself. The last year or so, however, especially if it's been off for a...
19
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17 years ago
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Can I use Oxy / Propane to Braze HVAC with copper-sil
hello I have a torch set and OXY but no acetlene I use propane for cutting with it but was nt sure about sheld gas when doing a line set okay any input would be good Thanks Patrick
4
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8 years ago
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4 | |
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Should my condensor fan run when heat is on?
Real basic question I think about HVAC. I replaced my thermostat on our HVAC system the other day and when i kicked on the heat, it turned on the fan that's in the condensor outside (that big thing I...
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16 years ago
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18 | |
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DIY Install of new oil burning furnace?
You thought wrong. Im a certified HVAC mechanic and owner of the company. Im not an engine mechanic. I let my Ford dealer take care of my company van repairs and my Honda dealer take care of my...
18
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16 years ago
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18 | |
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Getting the Cash: Understanding Cash-Out in Lieu of Repairs (2023 Update)
An ahs agent told me by phone that it is possible to get a cash payment in place of expensive repairs that may not last very long. How do I get the cash?
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2 years ago
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Sparks seen in Baseboard heater
I live in a Condo Apartment. It has quite old baseboard heater. It was quite loose and displaced from the wall so I was trying to tighten its screws and then found that it sparks when it moves. Its...
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7 years ago
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Wall & window temperature norms
Anyone know of a source of information on the expected indoor wall and/or window temperatures for a given outdoor temperature. For example, after dark [i.e. no sun on outdoor wall] with the Outdoor...
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13 years ago
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Heat pump aux heat does not come on
I have a Trane heat unit is about 13 years old, the outside unit is about 8 years old. I think it is a 3 ton unit. Original weathertron thermostat. During a recent cold snap (outside temp about 15),...
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17 years ago
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Removal of old whole house attic fan
I have acquired a 60 year old house which has a whole house attic fan which I want to remove. The house now has central heat and air conditioning. I have allergies to pollen, etc. The heat escapes...
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17 years ago
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Mini-split with auxiliary heat
I'm about halfway through an addition project on my house (new master bedroom) and extending the existing ductwork is just not a good option. I'm strongly leaning toward installing a mini-split system...
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17 years ago
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How to determine return air duct size for a 50,000 BTU Gas Furnace
Hi, Folks, I am trying to install the 50000 BTU Weather King gas furnace on my rear house. Before, there were only space heaters in that house, so I have to "design" the ductworks and install the...
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17 years ago
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14 | |
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Trane Heat Pump: Permanent 24v to Reversing Solenoid?
I have a Trane heat pump, installed when the house was built in 1995. I also have a nice gas furnace. I am currently using the furnace for heat and use the Heat Pump for A/C only. I'm concerned about...
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19 years ago
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Ceiling register with pull chain?
I have a forced air system. At night I would like to be able to stop or reduce the heat pouring in to certain rooms. Our current ceiling registers can only be dampened with a screwdriver (what a dumb...
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15 years ago
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