Business Details
50+ Years
experience
Emergency
services
Trusted HVAC Installation & Repair Services in Saint Louis
Sewell Heating & Cooling has been a trusted provider of HVAC solutions in the St. Louis area since 1945. Founded by Wayman Sewell and family-operated for generations, our company combines decades of hands-on experience with technical expertise to deliver reliable heating, cooling, and air quality services. Our team of certified technicians brings over 20 years of combined HVAC experience, specializing in installation, maintenance, and repair of all major equipment brands. We prioritize customer satisfaction through energy-efficient solutions, transparent communication, and adherence to industry standards, including EPA certification for refrigerant handling. As a BBB A+ accredited business, we maintain rigorous quality controls and offer emergency services to address urgent needs.Our commitment to staff development ensures consistent service excellence, supported by employee benefits like medical insurance and retirement plans. With a focus on residential and light commercial clients, we serve over 50 communities across the St. Louis metropolitan area. Our leadership team combines advanced engineering credentials with field-tested operational knowledge to uphold our mission of affordable, dependable comfort solutions. Backed by manufacturer warranties and proactive maintenance programs, we help customers avoid costly breakdowns while improving indoor air quality through advanced filtration systems.
Services
HVAC Installation
Air Conditioning Repair
Furnace Maintenance
Air Quality Systems
Duct Cleaning
Water Heater Installation
Chimney Liner Services
Emergency HVAC Service
Pre-Season Maintenance
Financing Options
Details
- Year established: 1945
Highlights and features
- Family-owned since 1945 with generational HVAC expertise
- Technicians with 20+ years of combined HVAC experience
- BBB A+ Accredited with proven service reliability
- Emergency service available for urgent HVAC needs
- Manufacturer-certified to service all major equipment brands
Associations and certifications
- Better Business Bureau
Services
HVAC Installation
We install energy-efficient heating and cooling systems including furnaces, air conditioners, and heat pumps. Our technicians are certified to handle all major brands, ensuring proper installation that maximizes system performance and longevity. Our installations include comprehensive testing to guarantee optimal operation and customer satisfaction.
Air Conditioning Repair
Our team provides prompt diagnosis and repair of air conditioning systems. We service all brands and models, addressing issues like refrigerant leaks, compressor failures, and thermostat malfunctions. Emergency repair services help minimize downtime during peak summer months when cooling is critical.
Furnace Maintenance
Preventive furnace maintenance includes comprehensive inspections and tune-ups to ensure reliable winter operation. Regular maintenance extends equipment life, reduces repair risks, and maintains manufacturer warranties. Our technicians check all components for safety and efficiency during each service visit.
Air Quality Systems
We install and service air purification systems, humidifiers, and advanced filtration solutions. These systems reduce allergens, control humidity, and improve overall indoor air quality. Our solutions address specific concerns like dust accumulation and bio-hazard particles in residential environments.
Emergency HVAC Service
Available for urgent heating and cooling failures outside regular business hours. Our emergency service prioritizes critical system failures that affect comfort or safety. Technicians carry essential replacement parts to resolve common issues immediately during emergency calls.
People
Ken Sewell
President
Ken Sewell leads operations with a Master's in Operations Research and Computer Science. He continues the family legacy of HVAC excellence while implementing modern technological solutions to improve system efficiency and customer service delivery.
Martin Sewell
VP Operations
Martin Sewell oversees technical operations with dual Master's degrees in Mechanical and Electrical Engineering. His expertise in thermodynamics and hazardous materials management ensures compliance with safety standards and technical excellence in all installations.
Tom Wilkens
Service Team Leader
Tom Wilkens leads installation and service teams with over 20 years of HVAC experience. As a licensed Mechanical Journeyman, he ensures technical precision in every project while mentoring newer technicians to maintain high service standards.
Scott Campion
Technical Operations Leader
Scott Campion directs technical operations with electrical journeyman certification. He specializes in complex system diagnostics and implements quality control measures to maintain consistent service excellence across all customer interactions.
Questions
What HVAC services do you offer?
We provide complete HVAC solutions including installation, repair, and maintenance for heating, air conditioning, and air quality systems. Our services cover all major equipment brands for residential and light commercial properties.
Do you offer emergency HVAC service?
Yes, we provide emergency service for urgent heating and cooling failures. Our technicians respond promptly to critical system issues outside regular business hours to restore comfort quickly.
Are financing options available?
Yes, we offer financing options to help customers manage HVAC system upgrades and replacements. Our financing programs make it easier to invest in energy-efficient equipment with manageable payment plans.
Are you BBB accredited?
Yes, we maintain Better Business Bureau A+ accreditation, reflecting our commitment to ethical business practices and customer satisfaction through reliable HVAC services and transparent operations.
Why is pre-season HVAC maintenance important?
Pre-season maintenance prevents unexpected breakdowns, extends equipment life, and maintains manufacturer warranties. Regular service improves system efficiency, reduces energy costs, and ensures optimal performance during peak usage periods.
What areas do you service?
We serve over 50 communities in the St. Louis metropolitan area including Saint Louis County, Saint Charles County, and surrounding regions. Our service area covers both residential and commercial properties across the metro region.
