Tag: Software

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.

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Manual-J HVAC Design Loads

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

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How to Determine Friction Rate

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

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