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Building Science
How Much Air Leakage in Your Home Is Too Much?

Whatever your air tightness goal, ACH50 isn’t the best unit to measure it
Green Building Blog
Green Building Tip: Test Your HVAC System

Before moving into a new house, ask your contractor to test the furnace, air conditioner, and ventilation system for proper performance

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How Much Air Leakage in Your Home Is Too Much?