Reliable Heating and Cooling Solutions for Every Season for Homes and Businesses in St. Louis, MO, and Surrounding Areas
Heating and Cooling Repair and Installation Services You Can Trust
At Citywide Heating & Cooling, our goal is your indoor comfort. Based in St. Louis, Missouri, we have been serving homeowners, businesses, and others, like churches and schools, throughout St. Louis City, St. Louis County, St. Charles County, and nearby areas in Illinois. We’re here to help whether you're facing an emergency breakdown, need maintenance checkups, or are planning a system upgrade. To get a free estimate on new installations, give (314) 774-8000 a call now or click here. You deserve heating and cooling pros who show up and do the job right.
You deserve heating and cooling pros who show up and do the job right.
Reliable Heating and Cooling Solutions for Homes and Small Businesses
Heating and cooling issues disrupt your business, your sleep, and your finances. From central air conditioning to ductless mini-split installations, our licensed techs specialize in diagnosing issues quickly and providing lasting solutions.
For small businesses and apartment buildings, we also install and maintain rooftop units, boilers, and ventilation systems. And yes, we do it all while keeping your operations running smoothly.
Invest in a more intelligent, silent, and effective heating and cooling system. Our experts will explain all of your options, whether they are smart, programmable, or manual thermostats.
Join Our Membership for Year-Round Comfort and Peace of Mind
Most air temperature system breakdowns are preventable. With regular inspections and tune-ups, our maintenance program helps you catch minor issues before they turn into major expenses and extend the life of your unit.
Members get priority scheduling and peace of mind. Our certified team handles everything: air filters, refrigerant levels, coil cleaning, thermostat checks, and more. Join our maintenance membership today and avoid surprise repairs tomorrow. Click here to get more information on our membership program.
Certified Heating and Cooling Technicians Ready to Serve Your Neighborhood
Our technicians are EPA certified (Type I & Type II), meaning we’re fully qualified to handle all residential and light commercial systems, including refrigerant safety and system integrity.
We're also proud to be authorized dealers for leading heating and cooling brands. We provide you with premium new heating and cooling products that are professionally installed and covered by warranties.
Energy-Efficient Comfort for Every Season
Your air conditioning system should be smarter than just functional. Whether it’s a radiant floor heating system, a central air conditioner, or an Energy Recovery Ventilator (ERV), we offer the right setup for Missouri’s unpredictable seasons.
We specialize in energy-saving solutions that enhance indoor air quality and reduce utility costs. From older homes to modern builds, our team customizes each system to fit your needs, lifestyle, and budget.
Ready for Reliable Comfort All Year Long?
Many St. Louis residents rely on Citywide Heating & Cooling for prompt service, certified repairs, and energy-efficient solutions. Our knowledgeable staff is available by phone or online, whether you require immediate assistance or are organizing your upcoming upgrade. Don’t settle for anything less than expert care. Your comfort begins with a single, easy step: fill out our contact form or give us a call at (314) 774-8000.
At Citywide Heating & Cooling, we don’t just install systems; we build lasting comfort. We take pride in providing trustworthy solutions supported by certified expertise and honest service as a St. Louis-based heating and cooling company. Whether it’s a minor fix or a full system overhaul, we treat your home like our own. Let our licensed pros help you breathe easier, live more comfortably, and save money long-term with energy-efficient heating and cooling.
Click here to schedule your consultation and find the perfect heating and cooling system for your space.
Why Choose Citywide Heating & Cooling?
Licensed, EPA-certified technicians (Type I & II)
Free estimates on new installations
Emergency and weekend service available
Financing options and all major payment methods accepted
Have inquiries? Our staff is available to assist. Click here or call (314) 774-8000.
