United HVAC LLC is a heating, ventilation, and air conditioning company serving Washington, DC. They provide installation, repair, and maintenance services for air conditioners, furnaces, heat pumps, mini splits, and thermostats for both residential and commercial customers. The company offers 24/7 emergency HVAC repairs and uses high-quality parts to ensure long-lasting performance. United HVAC LLC emphasizes transparent pricing and flexible scheduling to accommodate customer needs.

Ace Air Conditioning & Heating Service, Inc. is a family-owned business serving Washington, DC, and the Northern Virginia area since 1980. They provide residential HVAC services including installation, repair, and maintenance of heating, cooling, and indoor air quality systems. Their offerings include air conditioning and furnace installation, HVAC tune-ups, and indoor air quality improvements such as air purification and whole house humidifier installation. Ace Air Conditioning & Heating Service, Inc. has over 40 years of experience and offers emergency service hours in addition to regular business hours.

Hugee Corporation is a family-owned HVAC company serving Washington, DC, and the surrounding metropolitan area since 1984. They provide a range of services including air conditioning repair and installation, furnace repair, HVAC tune-ups, and indoor air quality solutions for residential, commercial, and industrial clients. One of their notable capabilities is duct sealing using Aeroseal technology to improve system efficiency and comfort. The company covers Maryland, Washington, DC, and Virginia with a focus on both emergency and scheduled HVAC services.

Oasis Heating, AC & Refrigeration Inc. is an HVAC company serving Washington, DC, and Northern Virginia, including Lorton, Fairfax, Alexandria, Arlington, and Springfield. They provide residential and commercial heating, air conditioning, and refrigeration services, including installation, repair, and maintenance. Their NATE-certified technicians handle a range of systems such as high-efficiency heat pumps, ductless mini splits, thermostats, and commercial refrigeration units like walk-in coolers and freezers. Established in 1998, Oasis brings over 30 years of industry experience to their work. They also offer 24/7 emergency repair services for heating and cooling systems.

McCarthy Services provides comprehensive HVAC repair, installation, and maintenance services in Washington, DC, and surrounding areas in Virginia and Maryland. Their offerings include air conditioning and heating system repairs and installations, HVAC tune-ups, duct cleaning, and indoor air quality improvements such as air purification systems and carbon monoxide detectors. The company serves a broad region including Northern Virginia and parts of Maryland, with a team of background-checked and drug-tested technicians. McCarthy Services operates seven days a week and offers emergency services for urgent HVAC needs.

Magnolia Plumbing, Heating & Cooling provides comprehensive HVAC and plumbing services in Washington, DC. Their offerings include installation, repair, and maintenance of heating systems such as boilers, furnaces, heat pumps, and ductless systems, as well as air conditioning and indoor air quality solutions. They also handle plumbing issues, sewer and drain cleaning using advanced technologies like video camera inspections and hydro jetting. The company serves both residential and commercial clients, offering a wide range of services including water heater installation and maintenance. Magnolia Plumbing, Heating & Cooling is equipped to manage commercial plumbing and HVAC needs efficiently.

Gataa Heating & Cooling provides heating, cooling, and ventilation services for residential and commercial clients in Washington, DC. They offer AC and furnace repair, installation, and routine HVAC tune-ups. The company works with clients to find tailored HVAC solutions and provides full consultations to explain available options.

Virginia Heating and Air, LLC is a veteran-owned HVAC company serving Washington, DC, with over 30 years of experience. They provide a wide range of services including air conditioning repair and installation, heating system repair and installation, indoor air quality testing, and HVAC maintenance. Their team is fully licensed and insured, offering eco-friendly heating options and customized filtration system recommendations to improve indoor air quality. The company emphasizes proactive HVAC maintenance plans to extend system lifespan and prevent breakdowns.

NOVA Temperature Control, LLC is an HVAC company based in Dunn Loring, VA, serving Washington, DC and the surrounding Fairfax County area. They provide a range of heating and cooling services including installation, repair, and replacement of systems such as rooftop air conditioners, Mitsubishi mini splits, boilers, heat pumps, furnaces, and water heaters. The company focuses on both residential and light commercial HVAC needs, offering reliable service without commission-based upselling.

Polarity HVAC LLC is a licensed and insured HVAC company serving Washington, DC. This family-owned business offers a range of services including installation, maintenance, and repair of heat pumps, furnaces, boilers, and mini split systems. They also provide indoor air quality treatments and thermostat installation. Polarity HVAC LLC is equipped to handle zoning and hybrid systems, ensuring comprehensive climate control solutions.