HVAC Leaks

HVAC Return Leaks

 
Air leaks are a major efficiency killer of heating and ac systems so make sure the return is sealed with blue board or duct board with silver facing inside so the fiberglass is not facing in the air intake. Cost to seal a return is around $100-$150.

HVAC Supply Leaks

 
Most leaks are around take offs and supply plenum so mastic the take offs and supply plenum. Cost is around $15.00 a vent sealing and $15.00 for supply plenum.