Welcome to Environmental Heating and Cooling

We are your #1 choice for top quality heating and cooling installation, repair and maintenance in St. Louis, MO. We understand that our customers never want to be treated as a mere number, so we treat them how we would want to be treated. Our team is committed to providing honest, sincere, and reliable customer service.


Environmental Heating and Cooling is proud to be your local York dealer. As a dependable heating and cooling company in St. Louis, we install quality York Heating and Air Conditioning equipment based on your comfort needs. Not only can we show you how a new system can save you money and keep your home consistently comfortable, but we can keep it running reliably and efficiently for years to come. We can also show you how affordable it is with easy financing options. Our commitment to quality goes beyond our products - it is also reflected in our reputation for excellence and integrity. At Environmental Heating and Cooling we feature the York Affinity line that offers innovative features and stylish looks. Enjoy all of the York Affinity technology including York's QuietDrive System which makes your unit virtually silent.


  • Quality Residential & Commercial HVAC Services
  • Family Owned & Operated
  • Planned Service Agreements
  • Free in Home Estimates
  • Professional Installers
  • We Service All Major Brands
  • Trusted Installation and Replacement
  • Competitive Pricing

Thank you for putting your trust in us for your heating and cooling needs in St. Louis, MO.


St. Louis, MO 63126


(314) 280-5893


MON-FRI 8:00AM-6:00PM




If you want to create a comfortable living and working environment in St. Louis, MO, you need extraordinary excellence and innovation.

For HVAC services with unbeatable quality, call Environmental Heating and Cooling today!




For nearly a century, the York® name has been a trusted icon in America. Known for rugged dependability and tremendous value, our products stand the test of time. This heritage of quality and durability is crafted into every York® system that is built according to strict guidelines and rigorous testing. York® is proud to continue our enduring legacy by providing long-lasting comfort you can count on.


Get the most out of your HVAC investment with our rebates and incentives!


Client Testimonial

  • We purchased two York systems from Environmental for two houses over the years, couldn’t be happier with their company!

    – Melissa Y, Wildwood
  • Best HVAC company hands-down, with the nicest work crew! Love this company!

    – Lyn P, University City
  • Project: Repair or Service a Central Air Conditioning System

    Friendly, courteous and knowledgeable service tech (also the owner) called ahead, showed up on time, did a thorough check and clean, answered my questions and explained where necessary. I would use this company again, and I have already recommended them to a friend having A/C issues.

    – Jana S. in St. Louis, MO
  • Project: Repair or Service an Appliance

    Was not just there to make a buck but there to help with advice.

    – James/judy E. in Maryland Heights, MO
  • Project: Repair or Service a Central Air Conditioning System

    Fast Outstanding flexible convenient and understanding everything that makes a company perfect in my book

    – Frank S. in Saint Louis, MO
  • Project: Repair or Service a Central Air Conditioning System

    Prompt, professional, courteous and knowledgeable. Great service for a very reasonable rate. I will become a regular customer

    – Gregory H. in Florissant, MO
  • Project: Repair or Service a Central Air Conditioning System

    Quick and professional. Explained everything and was very thorough. I would call again

    – Angela M. in Florissant, MO