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Could be lots of things. If you have a standing pilot light, one that stays on all the time, the thermocouple may be bad. A thermocouple is a small rod that sits in the flame of the pilot light. It then runs to the gas valve. This produces a small amount of electricity that keeps the valve open to let the gas in. If the pilot light goes out it shuts the valve so the house doesn't blow up. Easy enough to replace. If the pilot light is still on and the furnace will not light, it has to be the thermocouple.
Check fuses at the furnace and in the panel.
Newer gas furnaces have a circuit board in them that can go bad. There are a dozen things that could keep it from working, it is just a process of elination.
What else can I help you with?
Should the air conditioner unit come on when the heater is blowing?
If your heater is a heat pump , then yes.
Why does the cooling unit have a heater at the top?
Because it is a heat pump, meant to be able to either heat or cool the home, depending on the season.
On a electric home heater unit does the outdoor part turn on when it is heating?
An electric home heater unit does not have an outdoor part like a central heating system. It functions as a standalone device and does not require an external unit to operate. The heating element inside the unit is what generates heat to warm up the surrounding space.
Why do AC and heater run at the same time?
The AC and heater might run at the same time if the thermostat setting triggers both systems to maintain a specific temperature. For example, in heat pump systems, the heat pump may run in cold weather to provide supplemental heat to the home while the AC unit is also activated to cool the air that is released into the home.
How can I turn off a baseboard heater?
To turn off a baseboard heater, locate the thermostat or control knob on the unit and set it to the "off" position. This will stop the heater from generating heat.
Where is the air conditioner filter located on a home system?
Inside the heater/ac unit close to the main unit.
Can a mobile home gas hot water heater be used in regular home?
Yes, they are the same unit.
How does a kerosene heater heat?
A kerosene heater has a wick made of fiberglass that is connected to a kerosene tank. When the wick is lit, the kerosene keeps the wick burning, and a convection unit in the heater uses the flame to heat the air. In some kerosene heaters, there is a fan to blow the heated air into the room to heat it faster.
What makes an electric baseboard heater tick?
The expansion and contraction of the heating element when the unit turns off and on. If you have ultra fine hearing and the thermostat is part of the baseboard heater it will be the bi-metal element in the thermostat.
How do I turn on a heater?
To turn on a heater, locate the power switch or dial on the unit and set it to the desired temperature. Then, wait for the heater to start producing heat. Make sure the area around the heater is clear and well-ventilated for safety.
What are the benefits of using a heat exchanger?
One major benefit of a heat exchanger is that it quickly transfers heat from one medium to another such as an air conditioning unit or a space heater.
What is wrong 1991 Mercury Grand Marquis air condition problem replaced the unit the dryer the heater control valve and it still will not cool but when you block the heater hose it get real cold?
The air mix door on the in cab part of the unit is stuck in the heat position. follow the cables down from the controls on the dash and you will find the lever that controls the mix door, flip it the other way. for repair you will need to disassemble the heater unit if the cable has not just come loose from the arm.
