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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.
Can frost, ice, dirt or other debris keep the outdoor unit of my cooling system from operating effectively?
How does an air conditioner work?
What is the best thermostat to use for my cooling system?
What is variable speed technology and how does it apply to air conditioners?
What is the difference between R-22 and R-410A refrigerants?
Will a new R-410A outdoor unit work with my R-22 indoor unit?
Can an alternate refrigerant be used in my existing R-22 air-conditioning system?
How can I confirm the model and serial numbers for my cooling system?
What size equipment do I need for my home?
What is two-stage cooling?
Why is my system freezing up?
What is a heat pump?
Why should I zone my house?
When replacing the outdoor unit, should the indoor unit also be replaced?
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