We may receive a commission on purchases made from links. HVAC professionals need a good vacuum pump to evacuate air, moisture, and contaminants from refrigerant lines before recharging older systems ...

I have a new mini-split ac installed in a new server room. It has a water pump under it on the wall to vacuum out the condensation water through a 1-3 cm hose outside about 50 feet. Am I worried for ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Sami Allen is the managing editor at Forbes Home, with over seven years of ...