Attic Insulation Q&A
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.
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.
Standard gas water heaters are one of the most dangerous appliances I see in homes. This one was found in the basement of an extremely leaky house.

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
Before jumping into the ASHRAE 62.2 options for existing homes, make sure you’ve read and understand how to calculate the airflow requirements for new construction,
Friction Rate The friction rate tells us how much friction our ductwork should produce, per 100’, so that we consume the rest of our available
Now that we have your attention, here’s the skinny… High Country Workforce Development Board has grant money help folks that qualify get training to assist

Manual-S is being required by many building programs and local codes these days. The problem is, it’s really hard to tell whether the installing contractor
Blowers Carbon Monoxide Friction Rate IAQ Manual-D Manual-J Manual-S Software Static Pressure Water Heater Wrightsoft