The mercury dipped below that zero degree mark today, so there are multiple tips to remember to keep your house warm and toasty–and to save yourself money and difficult fixes later.
WBON-TV spoke to owner of Madison HVAC Derek McElwee about everything you need to know to ensure that your HVAC system is running properly–and efficiently. He explained some things that may surprise homeowners when it comes to insulation, outdoor units, filters, and thermostats.
