Indoor Air Quality

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

Same-Day Service Available

Family & Locally Owned

Competitive Pricing

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Breathe Easy With Our Air Quality Options

Indoor air quality is important, especially if you or your family suffers from asthma or allergies. Let our air filters keep your environment clean and allergen-free. CNO Comfort Zone Heating and Cooling offers several options to provide cleaner, healthier air.


Stop the circulation of dust particles, bacteria and pet hair with help from a high-quality filter. Need to reduce second-hand tobacco smoke? Let us install an air purifier in your home. Call us today at (636) 209-5087 for a free estimate.

Indoor Air Quality Solutions

  • Humidifiers
  • UV lights
  • Air scrubbers
  • Charcoal filters
  • 5-inch filters
  • Media cabinet

Improve Air Quality 24/7

Call us for a free estimate

(636) 209-5087

(636) 209-5087

I trust this company and I have never said that about another contractor. They are honest, less expensive than the competition, they are on time, do quality work, and are friendly. Last year, they fixed our AC. Today, they fixed our hot water heater. I only wish they could fix every issue that arises from homeownership. Seriously, I can't say enough good things.

- Sherry Castello, 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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