What does AFUE stand for?

Gas furnaces are rated according to their annual fuel utilization efficiency, or AFUE. The higher the AFUE rating is, the more efficient the unit is....read more

What is a HSPF?

For the efficiency of heat pump equipment, especially in the heating mode, they are rated by the heating seasonal performance factor, or HSPF. The higher the HSPF rating is, the more efficient the uni...read more

What does SEER stand for?

For the efficiency of a central air conditioning unit, it's rated by the seasonal energy efficiency rating, or SEER. The higher the SEER rating is, the more efficient the unit is....read more

What do rating numbers mean?

The Canadian government requires an efficiency rating for all heating and cooling equipment. The rating reflects the percentage of energy used efficiently. A higher rating indicates higher efficiency....read more