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Why These HVAC Professionals?

Our goal is to connect people with the best local experts. We scored hvac professionals on more than 25 variables across five categories, and analysed the results to give you a hand-picked list of the best hvac professionals in Gaithersburg, MD.

ReviewedCuratedTop Picks251910

Our Selection Criteria:

  • 1. Reputation

    A history of delighted customers and outstanding service.

  • 2. Credibility

    Building customer confidence with licensing, accreditations, and awards.

  • 3. Experience

    Masters of their craft, based on years of practical experience and education.

  • 4. Availability

    Consistently approachable and responsive, so customers never feel ignored.

  • 5. Professionalism

    Providing service with honesty, reliability, and respect.

Don Hoffacker's Air Conditioning & Heating, Inc.

The owner and staff of Don Hoffacker’s Air Conditioning & Heating, Inc. have been proudly serving customers throughout the Germantown area for more than 30 years. The company has grown to be an industry leader in friendly, detail-oriented service backed by a dedication to excellence, expertise, and customer satisfaction, no matter how large or complex the job. The company’s repair vans are fully equipped to handle any repair emergency, and the technicians have the training and experience to diagnose and fix problems quickly at honest rates. The company also offers convenient online payment options as well as financing for qualifying customers to make a new, energy-efficient A/C or furnace affordable so families can relax and stay comfortable through every season and any kind of weather.

Germantown, MD(301) 972-0017


GAC Services

GAC Services is a provider of heating and cooling solutions in Gaithersburg that guarantees labor and parts. The team arrives in proper uniforms and on time, and tidies up when the job is finished, and it consists of background-checked, factory-trained, and nationally certified technicians with years of combined professional experience. The company is an authorized dealer of top-notch Bryant products, although it fixes and maintains most makes and models. GAC Services gives free estimates on change-outs and retrofits, and it offers zero-interest financing options for installation of zoning configurations, hybrid heating systems, geothermal units, heat pumps, furnaces, and air-conditioning equipment. The staff takes MasterCard, Discover, and Visa payments, and it provides discounted rates for generator replacements, boiler tune-ups, and other services.

Gaithersburg, MD(240) 224-3144


Germantown Heating and Air Conditioning

Germantown Heating and Air Conditioning offers competitive pricing, industry expertise, and service from a team of dedicated HVAC experts. When customers are in the market for a new, affordable, energy-efficient furnace or A/C system, the company’s staff has the knowledge and experience to offer the perfect options and solutions, all from top-rated brands known for reliable performance. The technicians have in-depth training to diagnose, repair, and maintain any residential cooling and heating system, including gas furnaces, heat pumps, humidifiers, and thermostats. Customers can check the company’s website to find current specials and coupons and read testimonials from other satisfied clients. Whatever the needs, tastes, and budget, the caring and professional experts at Germantown Heating and Air Conditioning are standing by to ensure 100% customer satisfaction.

Gaithersburg, MD(301) 926-4407


J&K Air Conditioning

J & K Air Conditioning provides one-stop shopping for all HVAC needs in the Gaithersburg area. The heating and cooling experts specialize in delivering top-quality indoor comfort solutions that suit individual performance needs, lifestyles, and budget requirements. The company ensures HVAC equipment quality and longer-lasting use by partnering with industry-leading manufacturers like Aprilaire and Honeywell. The friendly, knowledgeable staff stands ready to provide top-notch heating and cooling solutions that include humidifiers, air cleaners, heating units, and air conditioners. J & K Air Conditioning employs highly qualified technicians to perform professional installation services and expert repairs that exceed expectations. The licensed and bonded indoor comfort specialists are the go-to experts for service and repair on all makes and models of HVAC equipment.

Gaithersburg, MD(301) 990-0780


Making Air Right

Making Air Right provides Germantown-area customers with quality, affordable indoor comfort solutions that meet a range of needs and budgets. The locally-owned and operated HVAC company specializes in helping to maintain healthy, comfortable homes and businesses with exceptional service and equipment. The heating, cooling, and indoor air quality experts specialize in the design, installation, replacement, repair, and maintenance of all types of HVAC equipment. The friendly, knowledgeable staff help customers choose the perfect heating and cooling options that include high-quality heat pumps, boilers, air conditioners, humidifiers, UV lights, and more. Making Air Right ensures customer comfort by providing comprehensive preventative maintenance service that keeps equipment running at peak efficiency and prolongs system life. Customers can trust the HVAC specialists to provide the best solutions for whole-home comfort and maintenance with efficiency and professionalism.

Germantown, MD(301) 514-8368


Merchant’s HVAC Company

Merchant’s HVAC Company has been providing exceptional quality service and value to customers in the Boyds area for nearly 30 years. The trusted locally-owned and operated company specializes in providing high-quality heating and cooling solutions to customers at reasonable rates. The HVAC experts specialize in flexible, customized options that include a range of top-of-the-line heating units, air conditioners, UV lights, humidifiers, air cleaners, hot water heaters, and ductless split systems. Merchant’s HVAC Company values customer comfort and satisfaction by only partnering with industry-leading equipment manufacturers like Trane, Ruud, Bryant, and Rheem. The customer-focused business ensures high-quality installation, maintenance, and repairs by employing EPA-certified professionals to handle HVAC jobs of all sizes and complexities. The licensed, bonded, and insured HVAC company ensures customer comfort by delivering responsive emergency service for critical repair situations.

Boyds, MD(240) 793-5313


Michael Bonsby Heating and Air Conditioning

Michael Bonsby Heating & Air Conditioning provides Gaithersburg-area clients with outstanding service and top-of-the-line indoor comfort equipment solutions for individual homes and businesses. The family-owned and operated company specializes in providing high-quality equipment options that include air conditioners, furnaces, heat pumps, and much more. The HVAC professionals focus on the installation, maintenance, and repair of a range of equipment that ensures customers enjoy comfortable indoor temperatures year-round. Michael Bonsby Heating & Air Conditioning takes a comprehensive approach to heating and cooling by offering maintenance programs to ensure peak performance, energy efficiency, and reduced utility costs for customers. The fully licensed, bonded, and insured HVAC experts make quality a top priority by partnering with the world’s best brands including American Standard Mitsubishi Electric, Carrier, Trane, York, and others.

Gaithersburg, MD(301) 990-7970


Presidential Heating and Air Conditioning, Inc.

Presidential Heating & Air Conditioning has been serving Gaithersburg-area customers with excellence for more than 35 years. The five-time Angie’s List Super Service Award recipient specializes in customizing indoor comfort solutions that meet a range of needs for homes and businesses. The Factory Authorized Carrier Dealer values customer comfort and satisfaction by using only quality products and equipment to achieve higher levels of energy efficiency and reduce utility costs. Presidential Heating & Air Conditioning excels at the professional installation, comprehensive maintenance, and expert repair of HVAC equipment. Competent, friendly staff has the expertise to recommend the highest quality, safest, and most environmentally-friendly heating and air conditioning systems on the market. NATE-certified technicians stand ready to handle any brand and model of comfort equipment to the highest industry standards.

Gaithersburg, MD(301) 900-5559



Sunn is one of the most respected heating and cooling service providers in Damascus. The firm has been satisfying residential customers since 1974, and it operates 24/7 to make homes comfortable day in, day out. The company gives labor warranties to prove its commitment to workmanship excellence, and it rewards customers who refer their family, friends, neighbors, and coworkers. The team consists of dependable and competent technicians with years of combined professional experience and industry training, and it also handles light commercial spaces, such as bars, beauty salons, health clubs, and retail stores. Sunn is an Amana and Carrier dealer, and it gives tax credits, discounts, rebates, and freebies with complete-system installations. The staff has easy financing plans, as well as free estimates and second opinions, and it accepts MasterCard, Visa, and Discover payments.

Damascus, MD(301) 253-6868


Tuckers Air Conditioning, Heating, and Plumbing

Tuckers Air Conditioning, Heating, & Plumbing specializes in providing top-notch total comfort solutions that help customers enjoy pleasant indoor temperatures year-round. The Gaithersburg-area HVAC specialists commit to delivering the highest quality services and work with clients to select the best possible comfort system for individual needs and budgets. Tuckers Air Conditioning, Heating & Plumbing excels at the professional installation, comprehensive maintenance, and precise repair of all types of HVAC equipment. Residential and light commercial customers depend on the heating, indoor air quality, and air conditioning professionals to keep systems running properly with superb maintenance checks and repair services. NATE-certified technicians with the expertise to handle every major equipment brand on the market stand ready to get the job done right. Tuckers Air Conditioning, Heating & Plumbing is the go-to provider for state-of-the-art digital thermostats and high energy efficient air conditioning systems that exceed customer expectations.

Gaithersburg, MD(301) 670-0034


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