Found 3 Results for flap.Showing 1 to 3.
1.
Exhaust Fans
Be sure the
flap on the outside vent closes tightly. If you don't use the fan at all, seal it up for the winter.
http://www.fun-home-projects.com/energy_savings/exhaust_fans.html
2.
Oil Furnaces
In the front of your furnace you'll find a
flap covering a small hole. You can peek in here to see the flame.
http://www.fun-home-projects.com/energy_savings/home_heating/generation_of_heat/oil_furnaces.html
3.
Inside Pollution
• Formaldehyde: In the
flap over UFFI insulation, it's been easy to overlook the fact that formaldehyde is used in a variety of other building materials, notably particleboard and plywood resins.
http://www.fun-home-projects.com/home_ownership/safety_and_special_interest/indoor_air_quality/inside_pollution.html