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7th year as a Best Pick
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7th year as a Best Pick
Best Pick Guarantee A-Rated Licensed Insured Workers' Comp
Founded in 1990 by Harold Kemp, who continues to serve as company president, Climatic Heating & Cooling specializes in the design, installation, service, and repair of comfort systems. We offer a one-year warranty on repairs and up to a ten-year parts-and-labor warranty on new equipment installations. We are a past winner of the Carrier President's Award and employ NATE-certified technicians.
703-672-2284
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8th year as a Best Pick
Best Pick Guarantee
8th year as a Best Pick
Best Pick Guarantee A-Rated Licensed Insured Workers' Comp
Founded in 1979 by owner Mitchell Cropp, CroppMetcalfe is a heating and air conditioning service contractor. We specialize in the installation of heat pumps, air conditioners, and furnaces along with many other heating- and air-related products for both residential and commercial customers. We are the winner of multiple Carrier President's Awards, and we were recognized as the 2011 Residential Contractor of the Year by the Air Conditioning Contractors of America (ACCA).
703-651-1453
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3rd year as a Best Pick
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3rd year as a Best Pick
Best Pick Guarantee A-Rated Licensed Insured Workers' Comp
Founded in 1934, family-owned-and-operated Vito Services provides customers with installation and repair services for a wide range of home comfort equipment, including air conditioners, air handlers, heat pumps, humidifiers, furnaces, and boilers. We also install and repair custom ductwork and offer 24/7 emergency service. We offer free estimates and serve as a one-stop shop for residential and commercial HVAC and plumbing services.
703-763-5429
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7th year as a Best Pick
Best Pick Guarantee
7th year as a Best Pick
Best Pick Guarantee A-Rated Licensed Insured Workers' Comp
John Nugent & Sons is a full-service air conditioning and heating company providing residential and light commercial sales, service, repair, and installation of a range of HVAC and home comfort equipment. Family-owned-and-operated since our founding in 1975, we employ technicians certified by North American Technician Excellence (NATE) and provide warranties for repairs as well as installations. We install generators in addition to performing plumbing and electrical work.
703-957-2708
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8th year as a Best Pick
Best Pick Guarantee
8th year as a Best Pick
Best Pick Guarantee A-Rated Licensed Insured Workers' Comp
M.E. Flow, named after founder Millard E. Flow, offers many types of heating and cooling services, including repairs, equipment service, installation, and preventative maintenance. Established in 1951, our company employs NATE-certified technicians. All of our service work comes with a one-year warranty, and we offer a satisfaction guarantee on new HVAC systems that includes a ten-year, parts-inclusive warranty.
703-743-7712
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7th year as a Best Pick
Best Pick Guarantee
7th year as a Best Pick
Best Pick Guarantee A-Rated Licensed Insured Workers' Comp
Parrish Services repairs, maintains, and replaces cooling, heating, plumbing, and electrical systems. We focus on providing energy-efficient solutions while offering 24/7 emergency services. Our CEO Alan Givens received the HVAC Contractor of the Year award from the Plumbing-Heating-Cooling Contractors Association (PHCC). We sell and service all major brands of equipment.
703-840-2216
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7th year as a Best Pick
Best Pick Guarantee
7th year as a Best Pick
Best Pick Guarantee A-Rated Licensed Insured Workers' Comp
DM Select Services' co-presidents, Jim Workman and Dan McCarthy, are native to the Northern Virginia area and have more than 30 years of experience in the air conditioning and heating industry. We offer a variety of heating and cooling services for both residential and light commercial customers. All of our employees drive fully stocked vehicles, wear company uniforms, and must pass background checks before hiring.
703-880-2579
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5th year as a Best Pick
Best Pick Guarantee
5th year as a Best Pick
Best Pick Guarantee A-Rated Licensed Insured Workers' Comp
Family owned and operated since its founding in 1979, Service Specialties offers a complete range of air conditioning and heating services in addition to full-service plumbing. Our company is a Trane Comfort Specialist. We provide a 90-day warranty on parts, a 30-day warranty on labor for all services, and up to a 10-year warranty on labor for new HVAC installations.
703-544-5167
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About Virginia Air Conditioning and Heating Companies

Air conditioning and heating equipment requires regular maintenance and sometimes repairs in order to keep it functioning properly, and finding a reputable, qualified HVAC contractor is vital in making this process as smooth as possible. Air conditioning and heating service that is performed improperly may result in more repairs or even equipment replacement, and fly-by-night contractors may not guarantee their work, ultimately costing a homeowner more money in the end. While searching for heating and air conditioning service or HVAC repair in Northern Virginia, it is important to do research in order to feel comfortable with the contractor you’re going to invite into your home.

At Best Pick Reports, we’ve conducted thousands of objective, third-party phone interviews with your friends and neighbors and invited them to provide feedback on HVAC contractors they have direct experience using. Those results, along with our own verifying criteria, have shaped a list of top-rated Best Picks for heating and air conditioning service in Northern Virginia. By choosing an air conditioning and heating contractor from this list, you can be confident in your selection, because your HVAC contractor will have state-required insurance and licenses and their work will be backed by other homeowners like you.

How to Improve HVAC Energy Efficiency

According to ENERGY STAR, a joint program of the Department of Energy and the Environmental Protection Agency, the average home is responsible for twice the greenhouse gas emissions of the average car.

Furthermore, almost half of the average household’s energy bill consists of heating and cooling costs. This fact can be alarming to the environmentally conscious homeowner. 

Fortunately, there are many things homeowners can do to reduce their heating-and-cooling energy consumption and, consequently, their environmental impact.

HVAC Maintenance

woman cleaning air conditioner

The leading cause of HVAC inefficiency is simple dirt and disrepair. Homeowners should inspect their filter after every month of heavy use and change it when necessary. They should also schedule a professional maintenance check annually.

These precautions will keep the system running as efficiently as possible for the longest amount of time.






HVAC Equipment

No matter how well-maintained your HVAC system is, it will only be as efficient as its capabilities allow. Generally speaking, the older the system, the less efficient it is.

Currently, the government requires air conditioning systems to have a minimum SEER (Seasonal Energy Efficiency Ratio) of 13. Many older units, however, operate at 10 or even 8 SEER. 

Most professionals recommend that homeowners invest in a high-efficiency system if they plan on staying in their home for at least six years. In terms of heating, high-efficiency gas furnaces tend to work at a low level throughout the day, as opposed to working for bouts at a high level.

This keeps the temperature relatively constant throughout the day, leading to lower energy use and increased comfort.

Programmable Thermostats

programmable thermostatProgrammable thermostats can be big energy savers for people whose homes are empty for regular periods of time.

To get the most out of your programmable thermostat, make sure that it’s installed away from sources of heat or cold, including registers, fireplaces, lighting, and areas that are drafty or receive direct sunlight. 

Also, if you have multiple heating and cooling zones, it’s best to use a different thermostat for each zone. This will prevent your system from performing unnecessary work.

Your Home's "Envelope"

Your home’s “envelope” is the entirety of its exterior—windows, walls, ceiling, and floor. According to ENERGY STAR, you can save up to 20 percent on your heating and cooling costs by sealing your home’s envelope.

This might include adding insulation to the attic, replacing windows, or sealing air leaks in the ductwork. Consider hiring a certified Home Energy Rater to conduct an evaluation of your home.

Besides reducing your energy bill and environmental impact, an efficient heating and cooling system will increase the overall comfort level of your home.

Consult an HVAC professional for more information on energy-efficient HVAC systems and to determine if one is right for you.