HVAC Companies Union

Tri-State Mechanical Services is a family-owned and operated mechanical contracting service serving the St. Louis and Metro areas, including Central Missouri and Southern Illinois since 1989. We pride ourselves on providing the highest quality workmanship every day as we build long-term relationships with our clients. We are a full-service mechanical contractor specializing in HVAC & Food Service Equipment. Our services include installation, sales, repair, and service for air conditioning and heating, commercial refrigeration, and kitchen equipment. We have a professional team of technicians who provide honest and dependable service 24/7. We service all brands, including York, Lennox, Carrier, Rheem, Ruud, and Trane. We also have a 24-hour emergency service available with an extensive parts stock for all commercial and residential equipment, old and new. If we don't have it, we'll source it fast. We are your one-stop shop for all your mechanical contracting needs in St. Louis.

Thomas Hoffmann Air Conditioning & Heating LLC is a trusted provider of HVAC services in St. Louis, Missouri. With years of experience, our team of experts is dedicated to providing top-notch service, repair, and installation of air conditioning and heating systems. Our mission is to help our customers breathe easier today by providing exceptional indoor air quality assessments and solutions. We pride ourselves on our commitment to customer satisfaction, honesty, and integrity. Our team is led by Thomas Hoffmann, a seasoned professional with a passion for delivering exceptional service. We are fully accredited and insured, and our team is fully trained to handle all types of HVAC systems. Whether you need emergency service, routine maintenance, or a new installation, we are here to help. Contact us today to schedule your appointment and experience the difference for yourself.

Fresh Air Duct Cleaning of St Louis is a State & County approved vendor and is here to serve you. We will gladly provide references as well as specifications upon request. We have been servicing the St Louis, area for over 10 years and we offer the most Affordable Duct Cleaning Services in St Louis and the Surrounding County area’s. Check out our Up-Front Pricing! Our BBB A Rating and customer references speak for themselves. We are the best air duct cleaning service in the St Louis area, providing high quality work, fast and qualified service, and competitively priced. We have provided HVAC air duct cleaning services to hundreds of major corporations, numerous municipalities, many hospitals, State buildings, County Facilities and Retail Stores. Whether you are in St Louis City and the Counties of St Louis or any other part of the state of Missouri, our professional duct cleaning services will meet or exceed your expectations.

URI Events is a leading provider of refrigeration and HVAC equipment, offering a wide range of products and services to meet the needs of commercial and residential customers. With a commitment to quality, reliability, and customer satisfaction, URI Events has established itself as a trusted partner for businesses and homeowners alike.

FAMILY AND LOCALLY OWNED SINCE 1895. We strive to be the most TRUSTED Heating and Air Conditioning Company in the St. Louis/St. Charles area with over 127 years of experience. 24-hour service, 7 days a week. Repair, optimize, or check your system. Any Brand, Any System. We service all brands! Request Service Request Estimate. Specials on Heating and Cooling Complete Systems. Save up to $1,600 back! Specials. Get it Fixed By Expert Technicians. Call anytime for home or business! Services. Living Up to Our Commitment. See what made us a national winner! Reviews. What We Offer.

We are the St. Louis area Ice-O-Matic distributor. We carry an extensive parts inventory for Ice-O-Matic ice machines. If you need icemaker parts we have them in stock for you!

The Name St. Louisians Have Known & Trusted For Over 65 Years, AL-DON! We Install New AC and Heating Systems Available NOW in the AL-DON Warehouse! Schedule Service Now. We are a trusted HVAC company providing residential and commercial services, including air conditioning, air ducts, boilers, mini-split systems, gas furnaces, heat pumps, indoor air quality, seasonal clean and check, radiant floor heating, and zone control systems.

Welcome to Climate Masters Inc, an independent, family-owned Webster Groves HVAC contractor since 1978! We service and repair all brands of equipment, offer FREE estimates, have professional (certified) installation crews and offer an annual Maintenance Agreement. All installers and service technicians are members of Local 36 (Sheet Metal Workers). Our full-time service manager and service technicians are ready to bring comfort back to your home. Our specialty is installing new or rehabbing existing heating and air conditioning systems to older homes that have radiator heat. We have successfully installed and/or rehabbed thousands of these systems using our expertise gained through over 30+ years of experience. We believe no job is impossible. We also offer our exclusive Whisper Soft™ system that blends modern design with superior airflow to give you maximum comfort without the typical ugly registers or need for special equipment. Contact us so we can work together and add you to our list of happy Climate Masters Inc. customers. Need An Air Conditioner or Furnace Repair? Call Our HVAC Pros in Webster Groves, MO! Imagine the Webster Groves summer heat sets in, and your air conditioner has finally broken down. You turn up the thermostat to get comfortable, but nothing seems to work. What do you need? A reliable HVAC contractor! In addition, make sure you have one by your side just in case of a significant unit issue that compromises comfort quickly. Fortunately, we are always available with swift service near our city or beyond if an emergency arises from failing parts or significant system issues. The air conditioner and heating system that you depend on can be a lifesaver in the summertime in Webster Groves. That's why we try our best to make sure your house is cool again, no matter what happens with either of those systems! Get Your Air Conditioning or Heating Repaired ASAP | Call Today! We know what it's like when you can't get the proper home comfort. So whether your system breaks down and needs an emergency repair or if your air conditioner is merely performing below expectations, call us to make sure that all of those discomforting problems are a distant memory before they turn into anything worse! We're the team you need when your home's comfort needs an urgent solution. With years of industry experience, we've earned a reputation for flawless HVAC work- and now it's time to take care of you! Schedule air conditioning or furnace installation, maintenance, or repair with us online or by phone today!

Dole Heating & Air conditioning has been in business since 2004. We service St. Louis, Jefferson and St. Charles County. Our team offers 10 year warranties and 0% financing to provide you with a piece of mind when replacing your heating and air conditioning!

Kirkwood Heating and Cooling is a trusted HVAC company in St. Louis, MO, providing top-notch heating, cooling, and heat pump services. Our experienced team has been working in the industry for a long time, with the necessary skills, training, and certifications to resolve your heating, cooling, and indoor air quality problems. We offer a range of services, including repair, maintenance, installation, and replacement, with a focus on individual projects and attention to detail. Our fair pricing system caters to the customer's needs, and we ensure that the entire process occurs within your budget. We are available 24/7 for emergency services and offer a range of products from Carrier, including air conditioners, heat pumps, gas furnaces, programmable thermostats, humidifiers, ductless split systems, boilers, air cleaners, and zoning products.