What are the most common furnace problems to be aware of?
One of the most common issues is clogged furnace filters. A dirty filter will reduce ...
How are furnaces rated for efficiency?
The efficiency of a furnace is evaluated using its rating in annual fuel utilization efficiency ...
What are the different kinds of furnaces?
Generally, there are three different kinds of furnace designs. Non-condensing furnaces usually have one heat ...
What is the difference between a furnace and a boiler?
Furnaces and boilers are both heating appliances that can be used in residential and commercial ...
How is a furnace heating system controlled?
A furnace is primarily controlled by your thermostat. There are many different kinds of thermostats, ...
How do furnaces work to heat your home or business?
A forced-air furnace uses a heating cycle. Firstly the burner of the furnace ignites natural ...
