Understanding Auxiliary Heat in HVAC Systems “Auxiliary heat” (sometimes shown as “Aux Heat”) means your heat pump’s backup heat source has kicked in automatically to help it keep up. It…

Signs Your Heat Exchanger is Cracked If your carbon monoxide alarm is sounding, or anyone in the house has a headache, dizziness, or nausea that eases when they leave, go…

What is em heat on a thermostat? EM Heat stands for Emergency Heat. It’s a setting on heat pump thermostats that turns off the heat pump’s compressor and runs the…

Why is my heat not working in my house? If your heater won’t turn on, work through these in order — most fixes are found in the first three steps,…

How to light a pilot light on a furnace? First, find out which kind of furnace you have — the instructions are completely different. Standing pilot: a small flame burns…

Why Is My Heater Blowing Cold Air? The two most common causes are a thermostat fan set to On instead of Auto, and a clogged filter that overheats the furnace….

Understanding Annual Furnace Maintenance Costs The annual furnace maintenance cost is what you pay each year to have a professional inspect, clean, and tune up your heating system. On average,…