Top-Rated Dover HVAC Company


Committed To Your Comfort

Providing homeowners with the highest value heating and air conditioning repair, replacement, and installation. Contact Envirotemp for all of your HVAC needs in Dover and the surrounding areas.

The Trusted Local Leader For Heating & Air Conditioning in Dover


At Envirotemp we are committed to providing our customers with the highest value of heating and air conditioning solutions in the industry. We strive to do this by partnering with top quality manufacturers, employing highly trained employees and supporting their success with continuing education.

Our Goal is 100% customer satisfaction; providing top quality sales, service, and installation that meets and exceeds our customer’s expectations.

If you are need of professional heating, cooling, or geothermal repair, replacement, or maintenance services, in Dover and surrounding areas, contact us today!

quality hvac Services in Clayton

Customer Reviews

  • Fast Response

    “Just a quick note to let you know how much my wife and I appreciated the fast response your team provided in repairing our Heat Pump. Your overnight response and next day delivery of a repla…
    – Bill and Pam U.
  • Competitive Pricing

    “This past year we needed our heat pump system replaced.  After discussing with numerous contractors, we selected Envirotemp because of their knowledge of the systems and competitive pricing….
    – Ed and Coralie S.
  • Thank You!

    “This is a note of thanks to you and your Envirotemp team. We are quite pleased with all phases of the purchase, removal of the old equipment and the installation of the new equipment. We tal…
    – Jim H.
  • Great Job!

    “We are pleased to write a letter of recommendation of our Geothermal Heating System which your company installed and has been maintaining. This by far is the best system we have ever had. Th…
    – John W.
  • Timely & Professional

    “We cannot speak highly enough about the skill, service and personal attention we received during and after the installation of our geothermal heating and cooling system. The entire process w…
    – Mike and Laura K.
  • Tunkey Installation

    “Envirotemp installed two Water Furnace systems in our new home in 2007. The units work great. Mike promised a turnkey installation and he delivered. This included ductwork, well drilling, ai…
    – Dan C.
  • Very Satisfied!

    “Envirotemp installed a Water Furnace geothermal system in our new home in 2004. Mike is a true professional and stands by his work. I am very satisfied with the system and my operating cost….
    – Joe F.
  • Excellent Job!

    “We purchased an old Amish home back in 2006. We decided to install two geothermal systems and duct work. Mike and his crew did an excellent job from start to finish. The systems were install…
    – Al F.
  • Great Company!

    “Envirotemp Heating, Cooling, and Geothermal is a great company! Their team did a great job installing my geothermal system.”
    – Chad M.
  • Great Job!

    “My wife and I are very “thankful” for the great job done to upgrade our A/C and heater. The old system was a money pit and Evirotemp installation of the new system has been very …
    – Andre J.
  • Highly Recommend

    “Wonderful service & price from Mike & his crew! Highly recommend”
    – Annie W.
    Trusted Industry Professionals
    BBB Accredited Business HVAC Services in Clayton
    Carrer AC Services in Clayton
    Lennox System Repair Services in Clayton

    At Envirotemp Heating, Cooling, and Geothermal, we take our craft very seriously. As the trusted local leader for HVAC repair, replacement, and installation, you can count on a nationally trained and certified expert performing work on your systems. Next time you are in need of service or repair, look no further than our locally owned and operated HVAC company in Dover. We guarantee that you will feel the difference–from the moment you call our office, until the job is done, we’ll make sure you’re taken care of. 

    Areas We Serve


    We are proud to serve all of Kent County and surrounding areas. If you don’t see your city listed below, please contact us to verify if we service your area.

    • Dover
    • Kent County
    • Middletown
    • Milford
    • New Castle County
    • Newark
    • Smyrna
    • Sussex County
    • Wilmington

    Envirotemp Blog


    Ways To Boost AC Efficiency

    Ways To Boost AC Efficiency

    August 15, 2022
    Your cooling system is a large part of your energy bills each month, especially in the summer. Your air conditioner is working hard at all hours of the day to keep your home a c…
    Why Is My AC Freezing Up?

    Why Is My AC Freezing Up?

    July 14, 2022
    Everything You Need To Know If Your Air Conditioner Freezes In The Summer Although many love the summertime, it is nice to know you have a cool getaway from the heat waiting for…
    Best Air Purifying Plants (And How To Keep Them Alive)

    Best Air Purifying Plants (And How To Keep Them Alive)

    June 10, 2022
    Six Plants That Improve Air Quality Plants help improve air quality in many ways such as absorbing carbon dioxide and releasing oxygen through the process of photosynthesis. Add…

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    We aren't comfortable until you are!

    Contact Envirotemp today at (302) 653-4073.

    Envirotemp Heating, Cooling, and Geothermal is the trusted local leader for HVAC services in the Dover, Clayton, and Smyrna Delaware areas!

    Service Area

    Contact Information

    Local Office

    919 Downs Chapel Rd,
    Clayton, DE 19938

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