We Offer a Full Range of HVAC Products to Meet All Your Home Comfort Needs

Group of Lennox heating and cooling products

Between heating and cooling, C-N-O Comfort Zone in Saint Peters has all the HVAC products you might need for your home. Each of our products are resilient, innovative and energy efficient, so you can experience a comfortable home year round. No matter what your heating and cooling needs are, we are ready to help.

Browse each category to discover more about individual products. We are happy to help with any of your HVAC needs. Just give us a call at 636-578-1777 or set up an appointment online to meet with one of our experienced team members.

  • Lennox Furnaces
    Our very energy efficient heating products will help your home stay perfectly cozy on the coldest days of the year. Our PreciseComfort™ and variable speed technology will help you enjoy an evenly heated home without the noise of traditional furnaces.
  • Lennox Air Conditioners
    You want to stay cool in the summer, but you don’t want your energy bills to skyrocket. With Lennox air conditioners, available from C-N-O Comfort Zone in Saint Peters, you’ll get energy efficient cooling products that will quietly cool your house and help you save money on utility expenses.
  • Lennox Comfort Controls
    Regardless of whether you’re at home all day or leaving Saint Peters for the weekend, comfort controls will ensure your home is held at the temperature you want it. At C-N-O Comfort Zone, we offer thermostats and zoning systems to effectively regulate the temperature of your home at all times.
  • Lennox Indoor Air Quality Systems
    The healthiest HVAC products in Saint Peters can be found just around the corner at C-N-O Comfort Zone. Our indoor air quality systems offer solutions for improving the quality of the air in your home, balance humidity levels and reduce harmful organisms like bacteria and mold.
  • Lennox Packaged Systems
    Excellent performance, reliability and energy efficient heating and cooling. Can a packaged system come with anything better? From quality to innovation, our equipment at C-N-O Comfort Zone is the total package to meet your home’s HVAC needs.
  • Lennox Air Handlers
    At C-N-O Comfort Zone in Saint Peters, our HVAC products – including air handlers – aren’t just industry-leading in energy efficiency. They’re also some of the quietest systems available. These air handlers include variable speed technology to provide optimum comfort for your home.
  • Lennox Boilers
    Another selection within our energy efficient heating products, Lennox gas and oil-fired boilers circulate warm water or steam through your heating system to offer ideal comfort exactly when you want it.
  • Lennox Garage Heaters
    Purchasing a garage heater can increase the value of your home in many ways. We’re talking longer lasting vehicles and extra space to do those “seasonal” hobbies in every season – not just when the weather’s nice. Our garage heaters effectively heat almost any size garage no matter the temperature outside.
  • Lennox Mini-Split Systems
    Our mini-split systems don’t waste energy even when they circulate the air quickly. These efficient HVAC products are ideal for any Saint Peters area homes where only specific rooms need to be heated or cooled.
  • Lennox Energy Efficient HVAC Products
    We sell a collection of energy efficient HVAC products from whole-home comfort systems to individual units. Our team can show you the most important ratings to look for to find efficiency ratings.