Latest threads in HVAC Discussionsshow only best voted threads

Subject Author Posted Replies
 
Paul Milligan, founder of alt.hvac
Obviously you are not either!
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20
 
Heating my new home
I have recently moved into my new one level 2000sqft home and was wondering what would be the best way to heat in the winter. I have a ductless heat pump in the middle of my house in the opeen area...
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5
 
Testing an economizer
How do i test to see if an economizer is working on a Carrier rtu
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7
 
Installing aprilaire 700 Humidifier
need to add a 24 volt transformer to control board to operate aprilaire hum idifier wtith my Trane furnace. The problem is that I only have two termina ls on the control board that are available. One...
3
3
 
Furnace Fan Blows
Can anyone help me. The furnace fans blows for 20-30 mins after the heat shuts off. What is wrong with my furnace?
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3
 
Heat pump circut board question
I have a York E4FH042 outdoor unit. It's cct board is a 1157-83-5001A. Here is a photo from an eBay sale: I want to adjust the electrical backup cutoff temperature from 35 deg to 40 deg. Is the...
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4
 
tepstar furnaceshortcycling?
This is a Tempstar ntv6050fb. It is about 12 years old. On a cold day or when the house has been allowed to cool down, and then the thermostat is turned up, the furnace starts up and runs properly for...
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13
 
Rheem heat pump defrost cycle question
My question is about the sequence of operation during the defrost cycle. I am an electronics technician with an engineering background. The air handler is an RH1T4821STANJA, outdoor cube is an...
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2
 
Some times, it IS the thermostat
Just a gentle note to the sarcastic types who proclaim the problem with the furnace has to be the thermostat. Talked to a friend of mine, today, right after church. Their house was recently too hot....
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2
 
does a reliable power vent hot water heater exist?
A couple parts in my A.O. Smith Power Vent Design GPHE-50 hot water heater have failed. I don't have the parts cost yet, but the fellow estimates they will cost $700-800. As it is seven years old, it...
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5
 
comfortmaker furnace
I have a comfortmaker furnace. My problem is That the furnace clicks for heat the gas comes on But the igniter doesn't get hot.What could be my problem?
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7
 
Buderus Ecomatic error
I have a 2 zone system, with a dedicated DHW circuit. During the summer mon ths the system works fine, but as soon as winter arrives and the system sta rts supporting the in floor heating zones it...
 
Where are they now?
If memory serves, someone posted that Paul Milligan had left Earth. Anyone remember Turtle? I rather liked the man. IIRC he had a fall off a ladder, and some brain damage. Not heard from him in a...
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10
 
A/C size and short cycling
I have not had a manual J done. However, based on the past 10 years experi ence with a 4 ton A/C system, I've been able to keep the humidity down and be cool during the summer here in central Florida....
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36
 
OT (somewhat) I need a source of PVC cement that is NOT 'fast set'..
I need a recommendation of source of PVC cement that is NOT 'fast set'. The only one I've found I'm required to order a pallet load (not a joke) to get what has been recommended. I have Red Hot and...