But, there's more you can do to help with overall furnace efficiency and, perhaps more importantly, your health. This one ...

Old homes and old HVAC systems bring the potential for asbestos — and a whole slew of potential liabilities for HVAC contractors and duct cleaning companies who handle it. Matt Mountain of Mountain ...

Cleaning your HVAC system regularly should be a key part ... this can be scrubbed gently using a cloth or soft cleaning brush ...