WxTV

The main difference is in the hand-held digital manometer unit

What the HERS index is and how to make it work for you

For the price of a drywall repair, you can look inside walls with a thermal camera at insulation and air leaks

You can use your hand to detect some air leaks, but smoke puffers make other air leaks easier to 'see.'

The nuts and bolts of ducts and volts

The best containment strategy depends on the job size, tools required, location in the house, and proximity to living space

Lead-Safe RRP compliance demonstration video.

How a blower door works, how to set it up, how to use it to find air leaks in a home's envelope, and how to break down the numbers.