This is a crucial part of your furnace maintenance. If you have pets, allergies, or smoke indoors, you may want to change your filter more often. For a high-efficiency furnace filter (four-inch or larger), it is recommended that you change it every six to 12 months. For a one-inch furnace filter, it is recommended that you change it every month. Check Your FiltersĮxtremely dirty filters that restrict proper airflow may trigger a safety feature in your furnace that won’t allow it to ignite. Make sure it hasn’t been accidentally switched to the “OFF” position. The switch usually looks just like one you’d use to turn your lights on or off. If none of the troubleshooting above resolves your issue, continue reading.įurnaces have a power or ignition switch located on the physical unit, which is normally in the basement. Switching your thermostat to “Hold” mode and increase the temperature about 10 degrees to see if the furnace blows warm air.Making sure your programming schedule hasn’t been accidentally reset or changed.Making sure your settings haven’t been changed from “Heat” to “Cool”.Settings – Other seemingly apparent factors that tend to go overlooked before you should spend money on a technician to come to your house include Unless your thermostat has a wired power source, try swapping the batteries and see if that gets your furnace back up and running. Check Your Thermostatīatteries – It may seem obvious, but you’d be surprised how many times the solution was to change the batteries in the thermostat. Locate your breaker box and ensure the switch controlling your furnace is in the “ON” position.
Check Your Circut BreakerĪ power surge or outage may have tripped your breaker. With that in mind, there isn’t one concrete answer to the question at issue, but we’ll run through a few different possibilities to help you out. The functionality of furnaces depends on multiple different parts working together to keep your home comfortable. Whether it be in person, via telephone, live chats, or emails, we can always count on a few of these every day in the unforgiving Wisconsin winter. We receive thousands of questions year-round here at West Allis Heating & Air Conditioning, but the most popular one this time of year is always, “Why won’t my furnace turn on?”
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