Are you in need of reliable HVAC services in O’Fallon, MO? Count on Scott-Lee Heating Company. Since we started in 1978, our HVAC company has grown to include a wide range of heating and cooling services to keep you comfortable year-round. As the area’s top HVAC contractor, you can count on our team of highly trained HVAC technicians to deliver top-notch solutions tailored to your needs. From heat pump installations and furnace maintenance services to simple AC repairs and 24/7 emergency care, we do it all!

    Some of the many HVAC services we offer include:
    • AC Installation
    • AC Repair
    • AC Maintenance
    • Furnace Installation
    • Furnace Repair
    • Furnace Maintenance
    • Ductless Mini-Split Systems
    • Indoor Air Quality Services
    • Smart Thermostats

    As O’Fallon’s premier HVAC contractor, we’re here to serve all your heating and cooling needs. From installations to maintenance and repairs, count on our experienced HVAC technicians to deliver exceptional results.

    Reliable Air Conditioning and Heating Repair in O’Fallon

    Is your HVAC system acting up? Don’t sweat it; our experienced HVAC technicians are here to help. Whether you’re dealing with a malfunctioning air conditioner on a scorching summer day or a faltering furnace when the winter chill arrives, we’ll be right on the scene to diagnose the issue and deliver prompt and reliable repairs so your comfort is restored. Whether it’s a faulty heat exchanger, a broken motor, or a thermostat on the fritz, we’ve got it covered.

    Common signs of a malfunctioning HVAC system include:
    • Lack of heat or cool air
    • Inconsistent temperatures
    • Short-cycling
    • Moisture build-up on unit
    • Inaccurate thermostat readings
    • Strange noises or odors coming from unit
    • Unexplained increase in monthly energy costs

    Your Trusted HVAC Company for Heating and Cooling Installation and Replacement

    If you’re in need of a new HVAC system, our expert HVAC technicians specialize in delivering seamless installation and replacement services tailored to your needs. Whether you’re upgrading to a more energy-efficient model or renovating your home and need a brand-new system installed, we handle every step of the process with precision and professionalism.

    Upgrading your HVAC systems can provide a number of benefits. With the technology of a modern system, you can look forward to enhanced indoor comfort, improved energy efficiency, and lower utility bills. From traditional forced-air systems to versatile heat pumps, ductless mini-splits, and smart thermostats, we offer a number of different options, giving you maximum control over your indoor environment.

    AC and Heating Maintenance from O’Fallon’s Top HVAC Contractor

    If you want to keep your HVAC system running smoothly and efficiently year after year, regular maintenance is key. Our comprehensive maintenance services are designed to optimize your system’s performance, improve your home’s efficiency, and extend the lifespan of your equipment. From thorough inspections and cleaning to lubricating parts, calibrating components, and making necessary adjustments, we can ensure your system operates at peak efficiency, saving you time and money in the long run.

    With routine HVAC maintenance, you can:
    • Prevent costly breakdowns and repairs
    • Maintain optimal indoor air quality
    • maximize energy efficiency
    • Lower your monthly utility bills
    • Catch issues before they escalate
    • Prolong the lifespan of your system
    • Enjoy consistent and reliable comfort

    Call us today to schedule an appointment with the region’s top HVAC company!