At Complete Air & Heat, Inc., we know winter on the Space Coast doesn’t always mean freezing temperatures. But those occasional cool snaps change how homes “breathe.” Windows stay shut, fresh-air exchange drops, and humidity can linger indoors. That combination can allow mold spores, dust, and other allergens to build up and circulate. Below are five practical ways to reduce mold and allergens with HVAC and IAQ upgrades that pair well with seasonal service.