Unless you have one of these...or you could make a foam box. Click on image for link. #attic #ventilation #HVAC

Is not flex metal. This is actually aluminum coated plastic. Use solid steel flue pipe or flexible aluminum pipe as found at this link:...

​Putting that dehumidifier in the basement will use a lot of electricty and only remove the water from the air, not mold spores, dander,...

When the ground near your crawlspace vent is graded toward your house, runoff can go right in your crawlspace vent! One rebuilt house I...

Click on image for link to product. Cut to size with a utility knife and glue together with Gorilla Glue to make a box around your attic...

I bought a unit like this, to hook up to our 4500 watt generator, after we lost power during a heat wave: wife unhappy ergo husband...

The tricky part is getting your damper lever through it. Cut a small slice in it and partially inflate the balloon until it's snug in...

Heat rises, cold air sinks, so partially close some vents on the lower floors during the summer and partially close some upper floor ones...