by Mark Hansberger on February 16, 2021January 29, 2021 Your Home’s HVAC Unit Depends a Lot on Duct Efficiency Your HVAC unit works hard to keep your home comfortable. You also want it to operate efficiently to help keep energy bills at a minimum. Semiannual HVAC maintenance surely helps to a great extent. However, whether […]Read More Filed Under: Ductwork Tagged With: airflow– efficiency standards– thermal energy