Brian Kumer

A blower door set up in the exterior door of a home.
Repairman Checks Carbon Monoxide Level on Furnace Duct
This common temperature and ­humidity gauge sells for $12-$18. It’s nice to have one on each floor. There are several ­others gauges that work great. You can even get them with three or four ­sensors that c­ommunicate with your smart phone.
Blower Dr on (23)
IR photo underperforming insulation
For basement walls and rim joist the best choice is closed cell spray foam applied directly to the foundation walls.