The furnace is part of an HVAC or central heating system used to generate heat. Typically this is done with gas, a heat pump, or an electric element. For hot water and radiator based heating, use the boiler tag.
6
votes
2answers
383 views
Can an electric dryer be next to the gas furnace?
I intend to relocate my washing machine and electric dryer within the basement. The dryer will then be about 2 feet from the furnace. Is that OK?
3
votes
5answers
4k views
Why does my furnace need frequent power resets?
I have a NOMA Programmable thermostat attached to my furnace.
The set point is usually around 21 degrees, and the room temperature is reading around 17 degrees. The furnace is not coming on.
...
8
votes
7answers
1k views
How can I audit my furnace?
I want to keep track of when my furnace is on, with an eye to reducing how much energy I use to heat my house.
I could compare it with weather data (temperature, wind speed, precipitation).
I could ...
4
votes
5answers
909 views
How often should the air filter in the furnace be changed?
Does the period of change of this air filter have an affect on the longevity of the heating and a/c system? What is a good rule of thumb to require replacement?
3
votes
1answer
247 views
How well would a hydronic furnace work with a gas tankless water heater?
My current heating system (in Ontario) is an oil hot water tank in a closed loop with a hydronic forced-air furnace (Enerzone XAH 68). The water circulates through what is basically a heat exchanger ...
3
votes
2answers
3k views
Why won't my furnace turn off?
My furnace is running OK and heating the house. The problem is that I have the thermostat set to 66°F and it does not turn off when it reaches that temperature. I can turn it off manually at the ...
3
votes
3answers
12k views
Why is my furnace blowing cold air?
My HEIL 7000 natural gas furnace has stopped working what are the most likely causes, and how to verify faulty parts?
Normal operation routine
Thermostat sends "need heat" signal.
Exhaust blower ...
2
votes
1answer
1k views
Why won't my Heil 7000 natural gas furnace ignite?
I have a Heil 7000 gas furnace
Model: NUGK100DH12
Serial: L933050100
When we turn it on at the thermostat, the exhaust blower will kick on. We checked to be sure the gas is reaching the unit and ...
2
votes
1answer
6k views
Why does my pilot light keep going out?
My furnace pilot light keeps going out so I changed the thermalcoupler now the furnace will come on and heat up to the degree set on my thermostat, then the pilot goes out and the furnace will not ...
