Why Choose Lennox?

Annualized Fuel Utilization Efficiency is the fuel efficiency rating for warm-air, gas or oil-fired furnaces less than 150,000 Btuh. The higher the AFUE, the more efficient the furnace. The minimum pe [..]

The distribution or movement of air.

The indoor part of an air conditioner or heat pump that moves cooled or heated air throughout the ductwork of your home. An air handler is usually a furnace or a blower coil.

Annual Operating Hours is the total ration of full- and part-load operating hours in a geographical area.

The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) is the trade association representing manufacturers of air conditioning, heating, and commercial refrigeration equipment. An internati [..]

Microscopic living organisms that grow and multiply in warm, humid places.

A British thermal unit is a unit of heat energy. One Btu is the amount of heat required to raise one pound of water by one degree Fahrenheit. The higher the Btu rating, the greater the heating capacit [..]

British thermal units per hour.

The Combined Annual Efficiency is a measure of the amount of heat produced for every dollar of fuel consumed for both home and water heating.