Mountainwest HVAC, Inc. Air Conditioning and Heating Tips Mountainwest offers helpful tips to help you maintain your indoor comfort system. This will help you avoid unnecessary service fees. A clogged filter restricts the flow of heated air from your furnace. The result is your furnace works harder but delivers less heat where it's needed. Check the blower belt and oil the blower motor.
Loose belts can increase furnace operating time.
Replace frayed or cracked belts. This keeps combustion byproducts separate from the warm air circulated through your home. Check to see that vents in the house are unobstructed. The easier it is for warm air to blow into your home the less time your furnace operates. Check to see that return-air rents are unobstructed.