Furnace Sales and Installation

Four Seasons Heating and Air Conditioning carries a huge inventory of high efficiency, Energy Star® rated Lennox furnaces. Compared to conventional models, many Lennox furnaces can help lower your energy bills this winter. Four Seasons is America's Largest Lennox Dealer and a Premier Lennox Dealer with over 38 years of providing trusted service ina nd around the Naperville area. Four Seasons sales representatives are available for free in home estimates and our installers are NATE Certified and factory trained to fit your home with the proper system to fit your needs.

Furnace Cleaning

Proper maintenance of your furnace and HVAC system begins with a yearly furnace tune up. Four Seasons provides a furnace cleaning and safety inspection which helps insure your furnace runs properly and can prevent or discover potential issues with your HVAC system. Schedule a Four Seasons Winter Furnace Tune Up today and our technicians will inspect, clean, oil and tune up your furnace.

Furnace Repair - We Service All Makes and Models

When your furnace breaks down and you are looking for a qualified contractor in the Naperville area, call Four Seasons Heating and Air Conditioning. We offer 24 hour, 7 days a week emergency repair service with no extra charge for nights, weekends or holidays. Four Seasons will respond to your service call within 2 hours with a NATE Certified furnace repair technician who is a Four Seasons employee - we never use sub-contractors.