Need more information?
Our customer-care specialists are ready to answer any questions you may have.
Looking for literature?
You will find brochures for most Lennox® products in our archived documents section. If you need information on a model that isn’t listed, you can request literature by mail.
How does an air conditioner work?
What do all those air conditioner and heat pump ratings mean?
SEER (Seasonal Energy Efficiency Ratio) is a system for rating the efficiency of cooling equipment. The higher the SEER rating, the less your unit will cost to operate.
HSPF (Heating Seasonal Performance Factor) is a measurement similar to SEER, but it measures the efficiency of the heating portion of a heat pump.
What is variable speed technology and how does it apply to air conditioners?
What is the best thermostat to use for my cooling system?
How can I confirm the model and serial numbers for my cooling system?
What size equipment do I need for my home?
When replacing the outdoor unit, should the indoor unit also be replaced?
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