HVAC Filter Cost vs Energy Savings: Dirty Filters Increase SFC
Introduction In HVAC energy auditing, air filters are always the first internal component inspected and for good reason. Despite being low-cost items, HVAC filters have a direct and measurable impact on fan energy consumption, indoor air quality (IAQ), and overall system efficiency. Based on extensive field experience, one issue repeatedly appears across commercial buildings and hospitals: filters are […]
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