When winter hits Pittsburgh, no homeowner wants to be stuck without heat. Furnaces work hard to keep your home comfortable, but over time, they can show signs of wear and tear. Knowing when your furnace needs attention can help you avoid costly breakdowns and stay warm all season long. At MRT HVAC, we’ve been helping Pittsburgh families with furnace repair and installation for over 30 years. Here are five clear signs it’s time to call a professional. 1. Rising Energy Bills I
