A storm is brewing in the HVAC industry — and this time it has nothing to do with the weather. Improper HVAC installations are fueling a wave of homeowner lawsuits across the country. With system failures rising and performance issues mounting, many are asking: Why, in 2025, are we still seeing so many HVAC installs done wrong? A 2018 Department of Energy study found that 70-90% of new residential HVAC systems had significant, detectable faults. Now, with more sensitive equipment, stricter standards, and more educated customers, those faults are turning into legal battles. From Virginia to the South, attorneys report growing case loads: oversized systems, poor airflow, inadequate ductwork — and homeowners left paying the price. Experts say the solution starts with following the standards. And these aren’t just suggestions, they’re the foundation of doing it right.

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