The HVAC industry in Maryland is expansive and vibrant, offering extensive services to residential and commercial sectors alike. From routine maintenance and repair, to large-scale installation projects, the state’s HVAC companies are committed to improving energy efficiency and comfort. The industry is comprised of companies like Constellation Home and Stulz USA, which provide a range of specialized services and innovative products. Additionally, many of these companies are adopting sustainable practices and technological advancements in response to a growing demand for eco-friendly HVAC solutions, indicating a promising future direction for Maryland’s HVAC industry.


Top 22 HVAC companies in Maryland

1. Constellation Home

Constellation Home offers professional repairs, installation services, and home energy audits for heating and air conditioning systems, water heaters, plumbing, and electrical lines. They also provide home service plans for total equipment protection. Additionally, they offer a range of products and accessories for improving home energy efficiency and security.


2. Stulz Usa

STULZ-USA is a leading air technology systems company offering precision cooling solutions for indoor and outdoor environments. They provide products like ceiling mounted cooling units, row-based cooling systems, retrofit and replacement solutions, and ultrasonic humidification systems. With a focus on technical support and customer satisfaction, they cater to a diverse range of industries.


3. Quick Servant Company, Inc.

Quick Servant is a commercial service provider specializing in HVAC repair, installation, replacement, and maintenance. With a team of experienced technicians, they ensure prompt and reliable service for commercial heating, air conditioning, refrigeration, and cooking equipment. They cater to industries such as restaurants, bars, and food service establishments, offering competitive prices and quick response times. Their commitment to customer satisfaction and excellence has earned them a trusted reputation in the industry.


4. The Severn Group, Inc.

The Severn Group is a leading commercial HVAC contractor specializing in mechanical and plumbing construction. They provide practical, cost-effective solutions and guarantee client satisfaction. They offer services such as chiller air conditioning, boiler installations and replacements, sheet metal and ductwork installations, and commercial sub-contracting.


5. Seasonair, A Comfort Systems USA Company

Seasonair, Inc. is a leading commercial air conditioning and heating contractor in the Maryland, Virginia, and Washington DC area. With over 3,000 locations served, they specialize in HVAC design/build, preventative maintenance, service repairs, and replacement of all types of HVAC equipment.


6. Bilmin Company, INC.

Bilmin Company is a heating, ventilation, and air conditioning (HVAC) service provider that has been serving commercial properties in the Washington Metro Area since 1973. They offer installation, maintenance, and repair services for various HVAC systems, focusing on high-quality workmanship and competitive prices.


7. Modern Comfort Systems, Inc.

Modern Comfort Systems is a trusted provider of HVAC services, specializing in heating and air conditioning systems. They offer installation, maintenance, and repair services for heat pumps, boilers, and air conditioners. With a team of highly trained technicians, they ensure reliable and efficient operation of HVAC systems. They also provide additional services like oil tank maintenance, air quality solutions, and water heater services. Modern Comfort Systems is committed to delivering excellent service, prioritizing customer satisfaction.


8. Successware

Successware21.com is a company that offers HVAC tips, products, and services such as installations, repairs, and maintenance agreements for air conditioners, furnaces, heat pumps, air handlers, boilers, indoor air quality, and thermostats. They serve the Richmond area and have been in business for 34 years, providing prompt and professional service to their customers. Contact them now to schedule an appointment.


9. Clean Air Heating & Air Conditioning Co.,Inc.

Clean Air Heating and Air Conditioning is a Baltimore-based company that specializes in providing professional installation and repair services for heating and cooling systems. With over 40 years of experience, their knowledgeable and friendly staff is dedicated to meeting the needs of both residential and commercial customers. Whether you need HVAC maintenance, installation, or repair, Clean Air is your trusted resource.


10. The Whalen Company

Whalen Company is a pioneering manufacturer of HVAC vertical stack riser heat-exchanger fan coil units and water-source heat pumps. With a long-term commitment to serving customers, they offer distinctive heating and cooling solutions for various industries. Their products are designed for apartments, hotels, healthcare facilities, and other multi-story buildings. Whalen Company's systems are known for their concept, performance, reliability, and value.


11. Carroll Home Services

Carroll Home Services is a company that provides a range of home comfort services, including heating oil, propane, air conditioning, and plumbing. With over 100 years of experience, they offer competitive prices, reliable fuel delivery, and installation and repairs of energy-saving HVAC systems.


12. TriState Home Services

TriState Home Services is a trusted HVAC and electrical company serving the Frederick, MD area. They offer upfront pricing on repairs and installations, ensuring 100% customer satisfaction. Their services include plumbing, heating, air conditioning, electrical, and water treatment solutions.


13. Fresh Air Concepts

  • Website: 4fac.com
  • Headquarters: Linthicum Heights, Maryland, United States
  • Founded: 2003
  • Headcount: 51-200
  • LinkedIn

Fresh Air Concepts is a local HVAC contractor serving the Linthicum Heights, MD area. They provide prompt and professional service for residential and commercial HVAC systems, including repair, replacement, and installation of furnaces, heat pumps, AC units, air purifiers, and humidifiers. Their goal is to make the air in your home easier and safer to breathe. Contact them for more information.


14. Advanced Heating & Cooling

  • Website: advancedhc.com
  • Headquarters: Owings Mills, Maryland, United States
  • Founded: 2006
  • Headcount: 11-50
  • LinkedIn

Advanced Heating & Cooling is a company that offers HVAC services and solutions. With rising electricity costs, the company aims to help customers lower their energy bills and maintain a comfortable indoor environment. They provide services in installation, repair, and replacement of HVAC systems, along with building automation controls. Advanced Heating & Cooling also offers preventive maintenance services and expertise in indoor air quality. Contact them for reliable and efficient HVAC solutions.


15. Infinite Power LLC

Infinite Power is a supplier of temporary and emergency power (mobile power generators) and climate management solutions (air conditioners and heaters).


16. Boothe's Heating & Air Conditioning, LLC

  • Website: boothehvac.com
  • Headquarters: Hollywood, Maryland, United States
  • Founded: 1993
  • Headcount: 11-50
  • Latest funding type: Acquired
  • LinkedIn

Boothe's Heating, Air, Plumbing & Drains is a premier home services company in Southern Maryland. They offer 24/7 emergency HVAC repair, air conditioning service, heating service, and plumbing service. Their team of factory-certified technicians provide quick and reliable fixes. They serve both residential and commercial customers.


17. Home Air Services

Home Air Services is a family-owned and operated company that has been providing residential and commercial HVAC services since 1953. They specialize in heating, cooling, ventilation, indoor air quality, and high-efficiency systems.


18. A.J. Michaels

A.J. Michaels is a company that specializes in heating, cooling, plumbing, and home performance services for both residential and commercial properties. They offer a range of solutions, including SpacePak ductless air conditioning and Aeroseal duct sealing, to improve energy efficiency and comfort. Their team of highly trained technicians stay up-to-date with the latest innovations and certifications to provide quality installations and maintenance. A.J. Michaels takes a personalized approach, carefully assessing each customer's specific needs and energy usage to recommend the most suitable solutions.


19. Minnick's Inc.

  • Website: minnicks.com
  • Headquarters: Laurel, Maryland, United States
  • Founded: 1954
  • Headcount: 11-50
  • LinkedIn

Minnick's is a company that has been providing heating, air conditioning, and plumbing services in Laurel and surrounding areas since 1954. With a focus on whole-home comfort and energy efficiency, they offer comprehensive inspections, repairs, and installations to ensure a healthy and comfortable home for their customers. Their services include maintenance, repair, and replacement of HVAC systems, as well as plumbing services. Minnick's aims to provide reliable and efficient solutions for all their customers' heating, cooling, and plumbing needs.


20. Bennett Air

Bennett Air is a full-service HVAC contractor that specializes in heating and air conditioning. They offer installation, maintenance, and repair services for residential and commercial customers throughout Southern Maryland.


21. JD Air - a Heating and Air Conditioning Company

  • Website: jd-air.net
  • Headquarters: Upper Marlboro, Maryland, United States
  • Founded: 2013
  • Headcount: 11-50
  • LinkedIn

JD Air provides commercial equipment installation services for heating, ventilation, and air conditioning to ensure proper indoor air quality and energy efficiency. They offer preventive maintenance services and equipment replacements for property owners, property managers, and homeowners in the Washington DC area.


22. Cold Comfort HVAC Services, LLC

Cold Comfort HVAC Services is a reliable provider of heating, ventilation, and air conditioning systems. We offer multiple brands of products and services to ensure that our clients find the best fit for their needs and budgets.


Want to find more HVAC companies?


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