cold air vents

May 25, 2017

Why You Shouldn’t Block Your Home’s Cold Air Returns

You may have been told never to block your home’s air conditioning and heating vents, but do you know why?   It helps to understand that some of those vents — the ones you can feel warm or cool air emitting from — are for the supply air, while the other vents are for return air, or where the air in the home is pulled into the HVAC system for heating and cooling. Read on for some information on cold […]