HVAC Repair in Saint Louis, MO

Hi my Name is Nick Antonas owner of Mon-Clair Heating and Cooling, we are locally owned and operated. I have 20+ years of experiece in the HVAC industry. We are licensed and insured. We believe in doing quality work at an affordable price. We are an American Standard heating and Cooling dealer as well as a Mitsubishi Mini-Split dealer, but we work on all makes. We look forward to serving you for your residential and light commercial heating and cooling needs. We offer 10% off for military/First Responders and 5% off for Senior Citizens.

COMBAT VETERAN WITH LOTS OF EXPERIENCE DOING HVAC, REFRIGERATION, SOLAR AND DESIGN. MECHANICAL ENGINEERING EXPERIENCE

Welcome to Anton's Plumbing, Heating/Cooling & Energy Experts, your trusted HVAC and plumbing company in St. Louis that was founded in 1979. We are dedicated to providing top-notch heating, ventilation, air conditioning, and plumbing services to residential and commercial clients throughout the St. Louis area. At Anton's we understand the importance of a comfortable and functional living or working space. That's why our team of skilled technicians is committed to delivering exceptional services that ensure your HVAC and plumbing systems are running smoothly and efficiently all year round. Our services include HVAC installation, repair, and maintenance, as well as comprehensive plumbing solutions for issues ranging from leaks and clogs to water heater installation and sewer line repair. We use state-of-the-art equipment and techniques to deliver reliable results that exceed your expectations. What sets us apart is our focus on customer satisfaction. We prioritize transparent communication, prompt response times, and affordable pricing to ensure a seamless experience from start to finish. With Anton's, you can trust that your HVAC and plumbing needs are in capable hands.

Your Comfort Is Just a Call Away! For decades, One Hour Heating & Air Conditioning has been providing quality and reliable HVAC services to homeowners across the country. Our main priority is to provide every one of our customers with honest work and an excellent experience. We adhere to a strict code of ethics, always offer a high level of service, treat customers with honesty and respect, and offer fair prices upfront. Our experienced and skilled technicians design, install, service, and repair HVAC systems and parts in strict accordance with the highest industry standards across the United States. Our team values your time, so we guarantee on-time arrivals. Our Difference It is the One Hour Heating & Air Conditioning difference that keeps our customers happy and satisfied—and it's why we've grown to become the leading HVAC service provider across the nation. We pride ourselves in our on-time guarantee, highly skilled professionals, clean and friendly HVAC technicians, and our StraightForward Pricing® guide. Qualities that make One Hour Heating & Air Conditioning different: We’re Local 100% Satisfaction Guaranteed Experienced & Reliable Technicians Strict Code of Ethics Providing Reliable HVAC Services Near You At One Hour Heating & Air Conditioning, our AC technicians promise to respect your time and your property. We guarantee we’ll arrive on time and ready to tackle almost any problem during the first visit. We only send highly trained, licensed professionals to service your home, which is why we proudly back our work with a 100% satisfaction guarantee. We want you to feel comfortable about inviting us into your home for HVAC repairs and replacements.

We provide fast, convenient service & specialize in older HVAC systems, concentrating more on repair than replacement. Same-day service available if needed. Plus we install and service ductless split systems as well as water heaters and thermostats!

We focus on customer needs and have over 15 years experience in residential heating and cooling system repair and replacement. We will treat your home as it was our own. We use flat rate pricing to keep things equal across the board. Meaning if your air conditioning system needs a simple part it will cost you the same as your neighbor. Military, First Responders and senior citizens discounts available.