Staff photo

Sewell Heating & Cooling: Serving the St. Louis Area Since 1945

Family Owned and Operated

We specialize in residential and light commercial HVAC service.

Licensed, Bonded, Insured

  • Certified by EPA for handling Refrigerant
  • Licensed in St. Louis city and county, St. Charles County, other local jurisdictions
  • A+ Accredited by Better Business Bureau
  • Fully trained to install and service latest HVAC equipment, water heaters, air quality equipment


  • Established in 1945 by Wayman Sewell shortly after World War II
  • Robert Sewell joined business after Korean War duty with the US Army and later took over management until his death in late 2008
  • Martin Sewell, Ken Sewell and Rickie Sewell  assume management of the business in 2009, with technical operations leadership from Thomas Wilkens and Scott Campion.


Our employees are like part of our family.   We are committed to keeping our staff employed during these hard times.


Employee Benefits

  • Paid sick leave, vacation, holidays for full-time employees (even before COVID-19).
  • Company sponsored medical insurance
  • Company sponsored retirement plan with matching contributions
Sewell Heating and Cooling employees

Scott Campion, Tom Wilkens, Mark Luttrell

Our technician leadership team: licensed and certified Mechanical, Electrical Journeymen

  • Tom Wilkens
  • Scott Campion
  • Martin Sewell
  • Mark Luttrell (retired)

Our service and installation team leaders, Tom Wilkens and Scott Campion, each have over 20 years experience in HVAC equipment installation and service. Our staff are fully trained to service and install the latest HVAC equipment and technology, water heaters and air quality equipment.

Martin Sewell in Afganistan

Martin Sewell, VP – Operations

Ownership team

Robert Sewell 

  •  Owner and President, 1968- 2008
  • US Army, served in Korea (Korean War), Japan, East Pakistan

Martin Sewell, VP – Operations

  • Master’s Degree in Mechanical Engineering (Thermodynamics)
  • Master’s Degreee in Electrical Engineering
  • Certified in Hazardous Materials
  • Served in armed services with multiple deployments to Persian Gulf Region and Afghanistan

Rickie Sewell, VP & Corporate Secretary

  • Former supervisor of hospital laboratory
  • Retired from career in Medical Technology

Ken Sewell, President

  • Master’s Degree in Operations Research and Computer Science
Robert Sewell

Robert Sewell