There is no doubt that consumers want healthier homes today. An HVAC system air filter upgrade is one way contractors can simultaneously increase customers’ residential IAQ and generate more business.

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TORONTO – If you’re like most people, you probably don’t give your furnace much thought as long as it’s keeping you warm in the winter and cool in the summer. But in order to keep it working to its ...

A furnace filter should be changed about once every three months. A furnace filter should be changed more often in the event of pollen, construction dust, cold spells, or other amplifying factors.