![]() ![]() However, if you opt for a high-efficiency furnace, the venting process goes through a wall. ![]() Typically, most people prefer a gas furnace over one that runs on electricity. Especially for people who prefer eco-friendly options, an electric furnace is a viable choice.Īn electric model also receives a signal from the thermostat.Īlthough an electric unit is more environmentally friendly, the cost to operate it is significantly higher. The difference is that instead of burners, the unit has electric heating elements controlled by circuit breakers. With this option, a blower draws air into the cabinet that contains the breakers via a cold-air return.įrom there, the blower forces air through the heat exchanger, where electrically controlled heating elements heat the air. Next, blowers push the warm air through the ductwork and into the interior rooms. ![]()
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