Electric Resistance Heating Furnace

Electric resistance coils that heat the air circulated by the blower.

Electric resistance heating furnace.

In electric furnaces the elements are activated in stages to prevent overheating. This system allows homeowners to avoid the chore of ordering propane. There electric heating elements heat the air and the blower pushes the warmed air back into rooms through a system of duct work. The blower and element activate when you turn up your thermostat to match the desired temperature.

An electric resistance furnace works like a big hair dryer. Metal resistance heating elements for furnaces are normally in the form of wire strip or tube. Electric resistance heat can be supplied by centralized forced air electric furnaces or by heaters in each room. Resistance furnace ri zis təns fər nəs engineering an electric furnace in which the heat is developed by the passage of current through a suitable internal resistance that may be the charge itself a resistor embedded in the charge or a resistor surrounding the charge.

Winchester 32765 btu 2 ton residential forced air electric furnace with ecm blower motor model me08bn21 10 1 146 00 1 146 00. As with a gas forced air furnace it has a blower that draws air into the cabinet through a cold air return and then pushes the air through the heat exchanger. The materials used for resistance heating elements have been listed in table 9 3. Because of electricity generation and transmission losses electric heat is often more expensive than heat produced in the home or business using combustion appliances such as natural gas propane and oil furnaces.

Heating with electricity is not defined by just baseboard heaters or an electric forced air furnace. Room heaters can consist of electric baseboard heaters electric wall heaters electric radiant heat or electric space heaters it is also possible to use electric thermal storage systems to avoid heating during times of peak power demand. Also known as a limit controller the thermostat is built into the electric furnace system to regulate the temperature. Also known as electric resistance furnace.

Forms of construction of furnace heating elements are shown in figure 9 5. Buy an electric furnace for your home. Electric resistance furnaces simply use electricity to heat the air and send it into your home. Electric furnaces are mainly used in areas where the climate is primarily hot or mixed temperatures or where electricity is the only option.

The efficiency and btus delivered through electric radiators furnaces convection heaters or boilers for hydronic radiant floors all fall within the category of electric heat and are all equally efficient on a btu per watt basis. Mcgraw hill dictionary of. Electric resistance heating converts nearly 100 of the energy in the electricity to heat. It can shut the system down to prevent overheating.