"Essential Home Prep for Winter's Freezing Temperatures"
Heating and plumbing experts advise homeowners to prepare for the upcoming coldest temperatures by checking vents, changing filters, and ensuring that no obstructions are blocking PVC pipes for high-efficiency furnaces. Signs that may indicate the need for a technician include a thermostat not maintaining the set temperature and unusual furnace noises or smells. Additionally, steps to prevent frozen pipes include leaving cabinet doors open and letting faucets drip when the temperature drops below freezing.