Mini-Split Systems

Same-Day Service Available | Family & Locally Owned | Competitive Pricing

Same-Day Service Available

Family & Locally Owned

Competitive Pricing

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Save Money While Personalizing Your Comfort

CNO Comfort Zone Heating and Cooling offers energy and space-saving mini-split systems. Ductless mini-splits can heat or cool your home while making your life easier and more cost effective in the process. You'll be able to say goodbye to bulky ductwork and those large units in your attic or basement.


Mini-split systems come with the flexibility of room air conditioners combined with the entire house cooling advantage of central systems. Our experienced professionals can install a Lennox ductless mini-split system with whole-home or single-room capability at your home or business.


You'll never have to worry again about your heating system not working or the air conditioning not turning on when you install a ductless mini-splits or PTAC unit from CNO Comfort Zone Heating and Cooling. Call us today at (636) 209-5087 for a free estimate.

Complete Mini-Split Services

Mini-split systems are energy efficient and ideal for garages and enclosed patios. Count on us for mini-split service, installation and maintenance.

Energy-Efficient Mini-Splits

Call us for a free estimate

(636) 209-5087

(636) 209-5087

Their prices are the best in the area, and they do great work! Furnace went out this morning and they were able to fit us in the same day. I can almost guarantee that we would have paid double with any other HVAC company. They were a life saver. We will definitely be using them again!

- Rob Wann, Google reviews

Spring Clean and Tune-Up Special
$79.00
$79 for your Spring Clean and Tune-Up. From CNO Comfort Zone Heating and Cooling.
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System Installation
$100 OFF
Get $100 off a complete HVAC system installation ​from CNO Comfort Zone Heating and Cooling. Coupon must be redeemed prior to installation.
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Service Call
$25 OFF
Must mention coupon when booking appointment. From CNO Comfort Zone Heating and Cooling.
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CNO Comfort Zone Heating and Cooling

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