The company’s several Premier Systems gas furnaces feature the best energy efficiency, with up to 97% AFUE ratings. The Priority Systems include two gas furnaces and one oil furnace with AFUE ...

When it comes to selecting the best type of furnace, it’s important to consider where you live and your lifestyle needs. That said, natural gas furnaces are often a top choice because they’re ...

They’re best suited for mild to moderately cold climates, and their maintenance costs are typically lower than those of gas furnaces. However, operating costs can be higher due to the reliance ...

The three main types of furnaces are electric, natural gas and oil. Like with air conditioning systems, a furnace’s size is measured in British thermal units, or BTUs. The number of BTUs ...