Every once in a while I like to post some of my favorite pictures of atrocities I've seen in houses, for example the duct stump in the Little Shop of Duct Design Horrors. Today, the subject is HVAC filters, specifically…
Home Star, the program working its way through Congress, will be a boon to homeowners and will give a big boost to the home energy efficiency industry. Called variously the Home Star Energy Retrofit Act, Home Star Retrofit Rebate Program,…
And now for a little Friday fun, here's one of my favorite duct design failures. I call it Stumpy. What's happened here is that the contractor who retrofitted the duct system just cut this one off mid-run. The problem is…
I know, I know. If you've had a HERS rater class or any education in residential building science, the alarms are going off in your head right now - WAANNNHHHHH WAANNNHHHHH WAANNNHHHHH! Please, let me explain. I know, I know.…
Beginning 1 January 2011, the new Georgia state energy code will require Blower Door testing for all new single family homes. This is amazing progress! As far as I know, Georgia is the first state to go this far with…
It's Friday afternoon and time for some fun, so let's take a look at the four types of duct leakage. It's Friday afternoon and time for some fun, so let's take a look at the four types of duct leakage.…
As a HERS (Home Energy Rating System) Provider, I check the home energy ratings that my raters do. Recently one of the EVER raters, Jason Payne of Structured Energies, completed a rating project for a homeowner who was financing home…