Q: I have caulked and weatherstripped to make my house more airtight, but the air seems stale. What are some efficient ...

Modern mechanical ventilation systems are very effective because ... differences in pressure between one side of a house and ...

Likewise, poor air quality days aren't great for open ... I have no experience with whole-house ventilation systems, so I recommend contacting a local HVAC installer if you want to add one to ...

Active ventilation systems typically use electricity ... enter the living space from the attic and warm the house. Warm, moist, attic air can provide a great growing environment for molds in ...