Thomas E Clark Inc is a family-owned HVAC and plumbing company serving Washington, DC, Maryland, and Virginia. Established in 1891, they provide a full range of heating, air conditioning, and plumbing services including installation, repair, and maintenance. Their team has decades of experience and offers comprehensive solutions to keep systems running efficiently. The company is known for using quality parts and equipment and offers warranties on new installations and repairs.

Royal Annandale Air Duct Cleaning provides air duct cleaning and indoor air quality services in Washington, DC. They focus on improving home health and safety by removing dust, allergens, mold spores, pet dander, and other contaminants from air ducts and dryer vents. Their services help reduce fire risks, enhance airflow, and support HVAC system efficiency. The company emphasizes the importance of regular duct cleaning to maintain cleaner air and a healthier indoor environment. They also address specific issues such as radon, asbestos fibers, cigarette smoke, and moisture buildup that can impact air quality and safety.

MaxAir Inc is an HVAC company serving Baltimore, MD, and the surrounding areas. With over 40 years of combined experience, they provide heating and air conditioning repair, installation, maintenance, duct cleaning, and indoor air quality services. Their technicians offer advice based on customer needs rather than sales targets. MaxAir specializes in a range of systems including furnaces, boilers, heat pumps, mini splits, and geothermal heat pumps, ensuring comprehensive HVAC solutions.

Greenfox Cooling, Heating & Plumbing provides indoor air quality services in Baltimore, MD. The company addresses issues such as humidity control and offers expert guidance to help customers understand and resolve air quality problems. Greenfox is known for its knowledgeable staff and willingness to assist customers beyond regular office hours, including weekends and after-hours support.

Ambient LLC provides comprehensive HVAC services including air conditioner repair, heating system maintenance, and installation of heat pumps, mini splits, and geothermal HVAC systems in Washington, DC. They serve a broad area around Annapolis, Maryland, offering tailored solutions to improve indoor air quality and energy efficiency. The company is licensed and insured, with a strong focus on sustainable and reliable climate control for homes and businesses. Ambient LLC offers 24/7 emergency HVAC services to address urgent issues promptly.

United Service Specialists is a family-run HVAC and plumbing company serving Washington, DC, and surrounding areas. They offer a wide range of services including installation, repair, and maintenance of heating and cooling systems such as furnaces, boilers, heat pumps, mini splits, and ductless options. Their expertise also extends to commercial HVAC projects, indoor air quality solutions, and residential plumbing services. With over 45 years of experience across three generations, they provide tailored solutions focused on energy efficiency, safety, and system reliability. The company also offers after-hours service in select counties around DC.

One Hour Air Conditioning & Heating® of Baltimore provides HVAC repair, installation, and maintenance services in Baltimore, MD. The company handles heating, air conditioning, and furnace systems, offering capabilities such as thorough system checks and troubleshooting. They back their work with a two-year satisfaction guarantee and emphasize punctuality with a promise to be on time or the service is free. The business is locally owned and operated and offers 24/7 emergency service availability.

Pinnacle Heating & Air Conditioning provides heating and air conditioning installation, repair, and maintenance services in Baltimore, MD. They serve both residential and commercial clients throughout the Greater Baltimore Maryland Region. Their services include HVAC installation and tune-ups, with expertise in installing Mitsubishi heat pump systems known for quiet operation and energy efficiency. Pinnacle is recognized for handling complex installations, such as multi-zone heat pump systems in homes without existing ductwork.

United Air Temp is a Baltimore, MD-based company offering heating, cooling, plumbing, and whole-home generator services. Their experienced technicians provide air conditioning repair and installation, furnace and heat pump services, boiler and geothermal heating system maintenance, and water heater repairs. They also specialize in whole-home generator installation to help homeowners maintain power during outages. Established in 1931, United Air Temp has over 90 years of experience serving the Baltimore community. The company provides 24/7 emergency repair services for heating and cooling systems.

Caribbean Cooling & Heating is an HVAC company based in Washington, DC, offering a full range of heating, ventilation, and air conditioning services. They provide installation, repair, and maintenance for air conditioners, furnaces, and heat pumps, along with indoor air quality testing to help improve home comfort. Their team focuses on delivering energy-saving solutions tailored to customer needs.