Learn how to maintain your HVAC at home with essential tips from this board. Heating and cooling issues are sometimes caused by minor problems in the HVAC and…
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Gas Furnace Reliability | Most Reliable Gas Furnaces Check the filter. If you’re getting low airflow, check the air filter on the furnace. A clogged filter could cut airflow down to a trickle. The highly rated 3M Filtrete 1900 MPR, $20, traps dust better than the usual furnace filter, so it can also help clean the air. Check it monthly, and replace when dirty.