Thompson Mechanical Inc.

Heating & Air Conditioning Services for Warren, Youngstown & Niles, OH & surrounding areas

At Thompson Mechanical, we believe in bringing the highest quality service and value to our Warren, Youngstown and Niles, OH clients. Since 1978, our company has been focused on delivering the best value and customer service possible. Our services include both residential and commercial heating and air conditioning installations and servicing. All of our employees are factory trained technicians and heating & air conditioning specialists.

Residential HVAC Services | Commercial HVAC Services | Commercial Heating Installation | Air Conditioning Repair

If you're looking for heating or air conditioning repairs or installation in the Warren, Youngstown & Niles, OH & surrounding areas, look no further than Thompson Mechanical. We are state and locally licensed, bonded & insured. We are also NATE certified, so you can trust our expertise to handle your residential or commercial HVAC needs. We offer customized heating and cooling systems, as well as customized preventive maintenance contracts to make sure your equipment serves you well for years to come.


We take care of the following kinds of heating, cooling & ventilation installations & repairs:

Gas Furnaces

Oil Furnaces

Air Conditioners

Heat Pumps


Geothermal Setups


Rooftop Units

Package Units

Hot Water Tanks & More

Member Affiliations

We are proud to be a part of the following organizations:


Covid-19 Update:

Covid-19 Update:

During this time we are an essential business and are still providing our services to all of our customers.
To keep our customers at ease Thompson Mechanical is taking all the appropriate precautions and safety measures in order to keep our employees and customers safe at this time.

We appreciate your patience and support during this unprecedented time, please if you are aware of anyone being potentially sick of any kind let our employees know beforehand so that we may follow proper protocols.

Thank you again for your support


    2800 Supreme Street
    Warren, OH 44483


    Call Us
    Phone: (330) 372-6400

    Mon: 7:30AM-4:30PM
    Tue: 7:30AM-4:30PM
    Wed: 7:30AM-4:30PM
    Thu: 7:30AM-4:30PM
    Fri: 7:30AM-4:30PM
    Sat: Closed
    Sun: Closed

Free estimates on new equipment installations!


(residential only; must mention website)

After Hours Emergency HVAC Service Available