Expert Air Conditioning Services in Clayton, MO
Keeping your home or business cool and comfortable through the changing seasons is essential, especially in the Clayton, MO area. At Hely Heating and Air Conditioning, we understand the unique climate challenges faced by properties here, from historic homes to modern commercial spaces. With deep roots in the St. Louis community dating back to 1969, we've been providing reliable, expert air conditioning services tailored specifically for residents and businesses in Clayton. Our commitment to quality, integrity, and customer satisfaction has made us a trusted partner for generations.
Whether you're dealing with an unexpected breakdown on the hottest day of the year, considering an upgrade for better efficiency, or simply need routine maintenance to keep your system running smoothly, our team of highly experienced technicians is ready to help. We offer a comprehensive range of AC services, available around the clock, because we know that your comfort can't wait.

Why Clayton Residents and Businesses Trust Hely Heating and Air Conditioning
Choosing the right HVAC partner means finding a team that not only has the technical skills but also understands the local environment and architecture. For Clayton, MO, this means having expertise in handling a variety of property types and cooling needs.
- Decades of Local Experience: Serving the St. Louis and Jefferson County areas, including Clayton, since 1969 gives us unparalleled insight into the specific air conditioning requirements and common issues found here. We've seen it all and know how to provide effective, lasting solutions.
- Highly Experienced Technicians: Our team isn't just skilled; they're seasoned professionals. Many of our technicians have been with us for over 15 years, with some exceeding 25 years of dedicated service. This level of experience translates to efficient diagnostics, precise repairs, and expert installations.
- 24/7 Emergency Service: AC emergencies don't adhere to a 9-to-5 schedule. That's why we offer service around the clock. When your cooling system fails unexpectedly in Clayton, you can count on us to be there to restore comfort.
- Commitment to Quality: From the initial assessment to the completion of the job, quality is our priority. We use reliable parts and follow best practices for all repairs, installations, and maintenance tasks.
Comprehensive AC Services for Your Clayton Property
We offer a full spectrum of air conditioning services designed to meet every need, ensuring your indoor environment remains cool and pleasant throughout the cooling season.
AC Repair in Clayton
A malfunctioning air conditioner can quickly turn your comfortable indoor space into an uncomfortable one. Our technicians are experts at diagnosing and repairing all types of AC systems, restoring your comfort efficiently.
Common signs you may need AC Repair include:
- The system is blowing warm air or no air at all.
- Strange noises like grinding, squealing, or banging are coming from the unit.
- Unpleasant odors when the AC is running.
- The system cycles on and off frequently (short cycling).
- Higher than usual energy bills without a change in usage.
- Water pooling or leaks near the indoor or outdoor unit.
When you contact us for AC repair in Clayton, our technician will perform a thorough inspection to identify the root cause of the problem. We explain the issue clearly and outline the necessary repairs before beginning work. Our goal is to get your system back up and running reliably with minimal disruption. Our 24/7 availability means we can address emergency repairs promptly, day or night.
AC Installation and Replacement in Clayton
Is your current air conditioner outdated, constantly breaking down, or simply not keeping your home or business cool enough? Investing in a new AC system can significantly improve comfort, enhance energy efficiency, and provide peace of mind. We specialize in AC Installation and AC Replacement for properties throughout Clayton.
Signs it might be time to consider AC replacement include:
- Your current system is over 10-15 years old.
- Frequent, costly repairs are needed.
- The system isn't cooling evenly throughout the property.
- Your energy bills are steadily increasing.
- The system uses R-22 refrigerant (which is being phased out).
We work with you to determine the best cooling solution for your specific needs and property type. For older homes in Clayton, we can assess if traditional central air is the most suitable option or if a Ductless Mini-Split system might offer a more efficient and flexible solution, especially in areas where adding ductwork is challenging. We consider factors like the size of your space, insulation levels, budget, and energy efficiency goals (measured by SEER ratings) to recommend the ideal system. Our installation process is meticulous, ensuring the new unit is correctly sized, installed, and calibrated for optimal performance and longevity.
AC Maintenance in Clayton
Regular maintenance is the key to maximizing the lifespan, efficiency, and reliability of your air conditioning system. Skipping annual tune-ups can lead to decreased performance, higher energy bills, and an increased risk of unexpected breakdowns. Our AC Maintenance services in Clayton help prevent these issues.
A professional AC tune-up typically includes:
- Cleaning evaporator and condenser coils.
- Checking refrigerant levels and inspecting for leaks.
- Lubricating moving parts to reduce wear and tear.
- Checking electrical connections and components.
- Inspecting and cleaning the condensate drain line.
- Checking the thermostat calibration.
- Inspecting the air filter.
- Testing system performance and airflow.
Benefits of regular AC maintenance include preventing costly repairs, improving energy efficiency (leading to lower utility bills), extending the life of your equipment, and ensuring consistent, reliable cooling throughout the season. To make maintenance easy and cost-effective, we offer a Maintenance Plan that includes scheduled tune-ups and other benefits.
Commercial AC Services in Clayton
Businesses in Clayton also rely on effective air conditioning to maintain a comfortable environment for employees and customers. We provide expert Commercial HVAC services, including AC repair, installation, and maintenance, for various commercial properties in the area. We understand the unique demands of commercial systems and offer solutions to keep your business running smoothly without interruption.
Financing Options for Your New AC System
We understand that investing in a new air conditioning system is a significant decision. To help make this essential upgrade more manageable, we offer various Financing options. We can discuss these options with you during your consultation for a new AC installation or replacement.
Trusted Brands and Warranties
We partner with leading manufacturers like Goodman, a part of the global Daikin family, to provide reliable and high-quality AC equipment. Goodman is known for offering robust systems backed by strong warranties. We are proud to offer a 5-year labor warranty on installations of Goodman equipment, in addition to the manufacturer's warranties, demonstrating our confidence in both the products and our installation expertise.
Serving Clayton, MO, is more than just a service area for us; it's a community we've been a part of for decades. We are dedicated to providing the highest level of air conditioning service to keep every property in Clayton cool and comfortable.