Crawl Space Moisture and HVAC — How a Wet Crawl Space Raises Energy Bills and Shortens Equipment Life in NC and SC Homes
⚡ QUICK ANSWERA damp crawl space raises ground floor humidity, forces HVAC to run longer to maintain comfort, accelerates duct corrosion and insulation degradation, and can cause the air handler itself to grow mold. Crawl space encapsulation typically reduces HVAC runtime by 15–20%, translating to $300–$600 in annual energy savings on a typical NC home….