Now that spray-foam insulation is becoming more common in western North Carolina’s buildings, I figure it’s time once again to discuss the most common
This week’s HERS Rater training course was in Manteo, NC, just across the water from the Outer Banks. We had a great group of folks
There are three main types of insulation – fiberglass batts, blown in fibers (cellulose or fiberglass), and spray foam. They are all commonly used to insulate attics.
Whole-building ventilation Whole building ventilation should dilute interior pollutants by creating an air exchange within the home. This can be achieved by one or more
Mold is good… except when it’s growing inside your house. Even though we live in houses made of mold food, mold food is only appetizing when moisture levels are out of balance. Since we can’t easily eliminate mold food from our houses, it becomes very important that we keep them dry.
Building Science + HVAC Training & Certification We’ve been working in the energy efficiency field since 2002. We’re not just teaching from a textbook, we’re
If you’re installing an HVAC system based on Manual-J sizing calculations, how do you know what size the ducts need to be for each room?
Our last Manual-J post focused on envelope loads and how important it is to properly account for them in your HVAC design. Now we will turn
