AC Installation Chesterfield Homeowners Trust Most

    Since 1978, Scott-Lee Heating Company has been providing top-quality AC installation and AC replacement services to the residents of Chesterfield, MO. In addition to providing new AC unit, we are a full-service air conditioning repair and maintenance company. No matter what cooling service you require, our certified and highly-experienced technicians can get the job done. And from small projects to big installation jobs, we always work as hard and diligently as possible to meet your needs and expectations.

    Here’s why you should choose us:

    • Standby Technicians Available 365 Days a Year
    • Guaranteed Service Within 24 Hours
    • Dave Lennox Award Winner for 26 of the Last 28 Years
    • Veteran-Owned Company
    • Residential & Commercial Services Available
    • Service to the Chesterfield Community for Over 40 Years

    Chesterfield’s #1 AC Installation Contractor

    As a resident of Chesterfield, MO, we understand that you need an air conditioner that keeps you and your family cool and comfortable on a consistent basis. Chesterfield is known for extremely hot temperatures in the summer months. And when the temperatures rise, you don’t want to have an air conditioner that’s going to let you down. That’s why planning as soon as possible for new AC unit installation or replacement is a great idea.

    At Scott-Lee Heating Company, we provide complete air conditioning installation and heating replacement services. Whether it’s the replacement of a worn-out or broken cooling system that you need or a brand-new system, we’re the company for the job! If you’re trying to reduce your air conditioner’s energy cost, you came to the right place.

    New AC Unit - Chesterfield, MOOur AC installation and AC replacement services include:

    • Free proposals and estimates
    • Fair prices
    • Specials and rebates
    • 24/7 service
    • NATE Certified experienced technicians
    • Energy-efficient equipment

    Call Us Today For New AC Unit Installation In Chesterfield

    At Scott-Lee Heating Company, customer satisfaction is our number one priority. We wouldn’t be here without our customers — you’re what keeps us going strong. We want to give back by offering a top-of-the-line new AC unit for your Chesterfield home. Did we mention that a new AC system can lower the cost of your monthly energy bills? Call the company that has been around since ‘78 cooling homes. If you are considering the installation of a new AC unit in Chesterfield or are looking for AC replacement, let us help save you money!

    Our expert technicians would be glad to have a look at your space and provide a free estimate and proposal for your new cooling system. All it takes is one phone call!

    Frequently Asked Questions


    What are the benefits of professional AC installation in Chesterfield?

    Scott-Lee Heating Company’s certified technicians ensure precise installation, peak efficiency, and extended system lifespan for Chesterfield homes.


    How long does an AC installation typically take in Chesterfield?

    Most residential installations are completed in one day—our Chesterfield team works efficiently to minimize disruption and thoroughly test your new system.


    What size AC unit do I need for my Chesterfield home?

    We perform a detailed load calculation considering square footage, insulation, and window orientation to recommend the perfect unit size for your home.


    Can a new installation lower my energy bills in Chesterfield?

    Yes—energy-efficient models installed by Scott-Lee Heating can reduce cooling costs by up to 20% compared to older systems.


    Do I need a permit for AC installation in Chesterfield, MO?

    Yes—most installations require a city permit. Scott-Lee Heating handles all permitting and inspection scheduling in Chesterfield.


    What warranty options are available with a new Chesterfield AC installation?

    While we avoid discussing specials, our installations include manufacturer warranties and an optional extended service plan from Scott-Lee Heating Company.


    What eco-friendly AC systems does Scott-Lee offer in Chesterfield?

    We install ENERGY STAR® certified units and eco-friendly refrigerants to reduce environmental impact while keeping your home comfortable.


    How should I prepare my home for a new AC installation?

    Clear access to the outdoor unit area, remove any debris near vents, and ensure indoor airflow paths are unobstructed. Our Chesterfield team will confirm details before installation day.