HVAC-Talk Forum
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Long-running forum where HVAC contractors and technicians discuss residential and commercial ventilation: ERV and HRV selection, duct design, exhaust, makeup air, and indoor air quality. Readers see how practitioners diagnose real installations and apply codes in the field.
More resources on Ventilation
Ventilation for Control of the Work Environment
Industrial hygiene engineering text on designing and evaluating workplace ventilation. Covers airflow principles, hood design, ducts, fans, air cleaning, and system testing, so readers can specify and assess local exhaust and general ventilation that controls airborne contaminants.
U.S. Department of Energy
Official website of the U.S. Department of Energy, covering federal energy policy, the national laboratories, and programs in renewables, nuclear, fossil energy, grid modernization and efficiency. Readers find authoritative explainers, research news, funding opportunities and consumer guidance on home energy use.