Clean Air Heating & Air Conditioning Co., Inc. is a family-owned HVAC company serving Baltimore, MD, and the surrounding Maryland areas including Dundalk, Canton, and Severna Park. They provide a range of heating and cooling services such as installation, repair, and maintenance for furnaces, heat pumps, central air conditioning, ductless systems, and geothermal heat pumps. The company also offers indoor air quality and purification services to enhance home comfort and equipment longevity. Established in 1972, Clean Air Heating & Air Conditioning Co., Inc. has decades of experience in the HVAC industry.

Thornton provides comprehensive heating, cooling, and indoor air quality services in Baltimore, MD. They specialize in furnace, heat pump, boiler, and air conditioning repair and installation, including ductless mini-split systems and smart thermostat integration. Their certified technicians offer energy efficiency upgrades, preventive maintenance, and 24/7 emergency HVAC repairs to address urgent heating and cooling needs. With over 20 years of experience, Thornton serves residential and commercial customers, focusing on system optimization and indoor comfort throughout Baltimore County.

At Your Service Heating and Cooling LLC is a family-owned HVAC company serving Baltimore, MD, since 2013. They provide a full range of heating, cooling, and indoor air quality services including repair, installation, and maintenance of air conditioners, furnaces, heat pumps, and HVAC systems. The company carries Trane products and emphasizes skilled technician training to ensure quality workmanship. They are accredited by the BBB with an A+ rating and have received several industry awards. Their services cover both residential and commercial needs with a focus on customer care and indoor comfort.

ABC Cooling & Heating LLC provides heating and cooling services in Baltimore, MD. They offer repair and installation for air conditioners, furnaces, heat pumps, and other HVAC systems for both residential and commercial clients. The company emphasizes customized solutions and employs licensed professionals to ensure dependable indoor comfort.

Perry Hall Heating & Air is an HVAC company based in Baltimore, MD, offering heating and air conditioning services for residential and light commercial customers. Their services include installation, repair, and maintenance of furnaces and air conditioning systems, as well as tune-ups and replacement of new equipment. The company is licensed and insured, with Maryland Master HVAC certification, and provides custom design and installation for homes. Perry Hall Heating & Air is known for accurate diagnostics and efficient installations, serving the Baltimore area with a focus on customer satisfaction.

Frank J. Klein & Sons Inc. is a family-owned HVAC and plumbing service company based in Baltimore, MD, serving the metropolitan area since 1929. They provide installation and repair services for heating and cooling systems, including air conditioners, furnaces, boilers, heat pumps, and geothermal systems. The company also offers indoor air quality solutions such as duct cleaning, electronic air cleaners, and humidifiers. Their skilled technicians handle everything from minor repairs to complete system replacements and offer planned maintenance agreements to help maintain equipment performance.

Aire-Craft Heating & Cooling Co Inc is a family-owned HVAC company serving Baltimore, MD since 1998. They provide a wide range of heating and cooling services including repairs, installations, geothermal heat pumps, indoor air quality solutions, duct fabrication, and commercial refrigeration. Their team includes master HVAC technicians who are licensed and insured, offering expertise in servicing air conditioners of any make or model. Aire-Craft also fabricates custom air ducts using advanced equipment and offers whole house clean air systems to improve indoor air quality.

Supreme Service Today is an HVAC and plumbing contractor based in Baltimore, MD. They provide a wide range of services including air conditioning repair and installation, furnace and heat pump services, boiler maintenance, duct cleaning, indoor air quality testing, and plumbing repairs. Their certified technicians are factory-trained and offer expertise in both heating and cooling systems, as well as water heater and drain services. The company offers emergency and 24/7 live answering services to support urgent needs. Supreme Service Today also specializes in ductless mini split installations and provides comprehensive indoor air quality solutions.

A.J. Michaels is an HVAC and plumbing company serving Baltimore, MD, specializing in heating, cooling, plumbing, and home performance services. They provide installation and repair for furnaces, boilers, heat pumps, air conditioning systems, mini splits, and duct cleaning. The company offers advanced solutions such as SpacePak ductless air conditioning and Aeroseal duct sealing, backed by engineering expertise and continuing education for their technicians. Established in 1978, A.J. Michaels has installed over 35,000 systems in central Maryland and is recognized for its energy efficiency achievements and industry certifications.

Mechanical & Gas Services is an HVAC company based in Baltimore, MD. They provide air conditioning, heating, water heater, boiler, and ductwork services, including preventative maintenance and outdoor coil cleaning. Their expertise covers a range of HVAC repairs and tune-ups to maintain system performance.