HVAC Services in Sunset Hills, MO
Residents and businesses in Sunset Hills, MO understand the importance of reliable heating and cooling throughout the year. From the humid summer heat to the biting chill of winter, your HVAC system is crucial for maintaining comfort inside. At Hely Heating and Air Conditioning, we've been dedicated to ensuring that comfort for families and businesses across St. Louis and Jefferson Counties, including Sunset Hills, since 1969.
We know that when your AC struggles on a July afternoon or your furnace goes out on a January night, you need a trusted local expert who understands the specific climate demands and housing types prevalent in the Sunset Hills area. Our experienced team is committed to providing prompt, professional, and effective HVAC services tailored to your needs, ensuring your indoor environment remains consistently comfortable, no matter what the Missouri weather brings.

Why Choose Hely Heating and Air Conditioning in Sunset Hills?
Choosing an HVAC partner is a decision about trust, expertise, and reliability. For over five decades, Hely Heating and Air Conditioning has built a reputation in the St. Louis region based on these principles. When you choose us for your heating and cooling needs in Sunset Hills, you benefit from:
- Decades of Local Experience: Serving the area since 1969 means we have unparalleled knowledge of local climate patterns and the unique HVAC requirements of homes and businesses in Sunset Hills. We understand the challenges posed by extreme temperature swings and high humidity.
- Highly Skilled & Long-Tenured Technicians: Our team consists of seasoned professionals, many of whom have been with us for 15 years or more. Their extensive experience translates into accurate diagnostics, efficient repairs, and expert installations the first time.
- Comprehensive Service Offering: From essential AC repair and heating system fixes to complete new system installations and proactive maintenance, we cover all your HVAC needs under one roof.
- Commitment to Quality: We are dedicated to providing durable, energy-efficient solutions using reputable brands, helping you save money on utility bills while maximizing comfort.
We are proud to serve the Sunset Hills community, including the 63127 zip code, and are familiar with the specific needs of properties throughout the area.

Comprehensive HVAC Solutions for Your Sunset Hills Property
Maintaining comfortable temperatures is just one part of a healthy indoor environment. We offer a full spectrum of HVAC services designed to keep your system running efficiently and your air clean and healthy.
Air Conditioning Services
Sunset Hills summers demand a reliable air conditioning system. We provide:
- AC Repair: Addressing everything from minor refrigerant leaks and sensor problems to major compressor failures. We diagnose issues quickly to restore your cooling with minimal downtime.
- AC Installation & Replacement: When repairs are no longer cost-effective or you're upgrading for better efficiency, we help you select and expertly install a new central air conditioner perfectly sized for your Sunset Hills home, considering SEER ratings for optimal energy savings in the local climate.
- AC Maintenance: Regular tune-ups are vital to prevent breakdowns and ensure peak performance during the hottest months. Our maintenance checks include cleaning, inspection, and calibration to maximize efficiency and extend system lifespan.
Heating Services
Missouri winters require a dependable heating system. Our heating services cover:
- Furnace Repair: Specializing in gas and electric furnaces, we handle ignition issues, blower problems, thermostat malfunctions, and more to keep your home warm and safe.
- Furnace Installation & Replacement: Whether you're installing a new system or replacing an aging unit, we ensure your new furnace is properly sized and installed for maximum efficiency and comfort throughout your Sunset Hills home.
- Boiler Services: For homes with radiant heating, we provide expert boiler repair, installation, and maintenance to ensure consistent, comfortable heat.
- Heat Pump Services: Heat pumps offer both heating and cooling and are a popular energy-efficient option in our climate. We provide comprehensive heat pump repair, installation, and maintenance services.
Comprehensive System Services
Beyond traditional central systems, we also service and install:
- Ductless Mini-Split Systems: Ideal for additions, garages, or homes without ductwork, these systems provide flexible, efficient heating and cooling for specific zones. We offer ductless repair, installation, and replacement services.
- HVAC System Tune-Ups: Preventative maintenance is key to longevity and efficiency. Our detailed tune-ups for all system types catch potential problems early and ensure your equipment is ready for the demands of each season. Learn more about the benefits of our Maintenance Plan.
Indoor Air Quality
Given the varying humidity levels throughout the year, indoor air quality is a significant factor in home comfort and health. We offer solutions like whole house air purifiers and whole house humidifiers to help manage pollutants and maintain optimal humidity levels within your Sunset Hills residence.
Addressing Common HVAC Concerns in Sunset Hills
We understand that residents often have questions about HVAC systems, especially regarding cost and performance in our local climate.
- Cost of HVAC Services: The cost of HVAC services in Sunset Hills can vary depending on the type of service (repair vs. installation), the complexity of the job, the type of equipment needed, and the age and condition of your existing system. We provide detailed, transparent estimates before beginning any work. We also offer flexible financing options to help make necessary repairs or new system installations more manageable for your budget. Additionally, we can inform you about potential incentives, such as the federal tax credit of up to $600 for the installation of certain energy-efficient HVAC units.
- HVAC Performance in Extreme Weather: St. Louis's climate extremes mean your HVAC system works hard. Proper installation and regular maintenance are critical to ensuring your system can handle the heat and cold effectively and efficiently, preventing breakdowns during peak demand. Our experience with local conditions allows us to recommend and service systems best suited for these challenges.
- Importance of Regular Maintenance: Seasonal tune-ups are not just recommended; they are essential in our climate. Regular maintenance, like that offered in our Maintenance Plan, helps prevent costly breakdowns, extends the lifespan of your equipment, ensures maximum energy efficiency, and maintains healthy indoor air quality.
Reliable HVAC Repair and 24/7 Service
HVAC emergencies don't adhere to a 9-to-5 schedule. A sudden breakdown during a heatwave or cold snap requires immediate attention. That's why we offer 24/7 emergency HVAC repair services in Sunset Hills. Our team is ready around the clock to respond quickly and restore your comfort when you need it most.
We prioritize swift diagnostics and effective repairs to get your system back online safely and efficiently, minimizing disruption to your home or business.
Trusting a Local Leader
Founded by Richard Hely in 1987 after 17 years in the industry, Hely Heating and Air Conditioning was built on principles of quality, integrity, and customer satisfaction. Rich's initial commitment to personally handling every service and installation set a standard that continues today. Our long-standing team members, some with over 25 years of dedication, are a testament to the trust and stability within our company and the quality of service you can expect.
As a proud partner with Goodman, part of the Daikin family, the world's largest HVAC manufacturer, we offer high-quality, reliable products backed by some of the best warranties in the industry, including limited lifetime warranties on compressors and heat exchangers for certain equipment. This partnership ensures that Sunset Hills residents receive durable, efficient systems built to last.
We are dedicated to providing the highest level of service to our neighbors in Sunset Hills, MO.