10 Best HVAC Companies in Hagerstown, MD

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Last Updated: February 25, 2025

On average, 55% of energy use in American homes goes toward heating and cooling, according to the Department of Energy. It's important to make sure the cooling and heating systems in your Hagerstown home are functioning optimally, so that you don't spend more than you need to.

Our list of Hagerstown's top HVAC companies can help you get your system into top shape, allowing you to save money while staying comfortable.

Top 10 Best HVAC Companies in Hagerstown

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United Air Temp

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45570 Shepard Dr Ste. #6, Sterling, VA 20164 (571) 888-8078 unitedairtemp.com

Free quotes

Reliable customer support

Prompt service delivery

Informative resources

Clear pricing policy

Services Offered

Furnace installation
Inspection
Maintenance
Boiler installation
Ac installation
Ac repair
Ductless
Furnace repair
Filtration
Indoor air quality
Duct cleaning
Emergency services

SuperTech HVAC Services

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9123 MD-108 STE 305, Columbia, MD 21045 (443) 774-0887 supertechhvac.com

Informative resources

Prompt service delivery

Free quotes

Clear pricing policy

Reliable customer support

Services Offered

Furnace installation
Ventilation
Ac repair
Maintenance
Emergency services
Boiler installation
Boiler repair
Inspection
Ductless
Ac installation
Indoor air quality
Filtration
Furnace repair

McCrea Heating & Air Conditioning

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151 Commerce Ave, Greencastle, PA 17225 (717) 985-8278 mccreaway.com

Informative resources

Reliable customer support

Free quotes

Prompt service delivery

Clear pricing policy

Services Offered

Furnace repair
Filtration
Emergency services
Indoor air quality
Inspection
Ductless
Ac repair
Boiler installation
Ac installation
Maintenance
Furnace installation

Markool Heating & Cooling

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5304C Kings Ct, Frederick, MD 21703 (301) 969-9963 markoolhvac.com

Free quotes

Informative resources

Reliable customer support

Clear pricing policy

Services Offered

Boiler installation
Radiant heating
Emergency services
Ac repair
Zoning systems
Maintenance
Duct cleaning
Ductless
Ac installation
Furnace installation
Filtration
Indoor air quality

Aire Serv of The Shenandoah Valley

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702 N Commerce Ave, Front Royal, VA 22630 (540) 358-0042 aireserv.com

Free quotes

Reliable customer support

Informative resources

Prompt service delivery

Clear pricing policy

Services Offered

Maintenance
Duct cleaning
Ductless
Ac repair
Emergency services
Indoor air quality
Filtration
Furnace installation
Ventilation
Inspection
Boiler installation
Ac installation

F.H. Furr Plumbing, Heating, Air Conditioning & Electrical

F.H. Furr Plumbing, Heating, Air Conditioning & Electrical Logo

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User Rating

1584 Deer Park Rd, Finksburg, MD 21048 (410) 702-4514 fhfurr.com

Reliable customer support

Free quotes

Informative resources

Clear pricing policy

Prompt service delivery

Services Offered

Inspection
Duct cleaning
Ductless
Ac installation
Furnace repair
Boiler installation
Emergency services
Maintenance
Ac repair
Indoor air quality
Furnace installation

Snell Home Services

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User Rating

21660 Ridgetop Cir #138, Sterling, VA 20166 (571) 470-7206 snellheatingandair.com

Informative resources

Clear pricing policy

Prompt service delivery

Free quotes

Reliable customer support

Services Offered

Maintenance
Indoor air quality
Furnace repair
Ductless
Boiler installation
Zoning systems
Furnace installation
Emergency services
Inspection
Boiler repair
Ac repair
Ac installation

Dave's Diversified Services

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User Rating

803 B N Royal Ave, Front Royal, VA 22630 (540) 636-3396 ddsserviceshvac.com

Free quotes

Clear pricing policy

Reliable customer support

Informative resources

Services Offered

Ductless
Furnace repair
Duct cleaning
Emergency services
Maintenance
Inspection
Ac repair
Indoor air quality
Ac installation
Furnace installation
Filtration
Zoning systems
Ventilation

Dave's Cooling & Heating

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9022 Walnut St, Union Bridge, MD 21791 (301) 401-2780 ravefordaves.com

Clear pricing policy

Informative resources

Prompt service delivery

Reliable customer support

Services Offered

Ac repair
Duct cleaning
Ac installation
Maintenance
Emergency services
Boiler repair
Ductless
Furnace repair
Furnace installation
Indoor air quality
Boiler installation

GAC Services

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User Rating

227 E Deer Park Dr, Gaithersburg, MD 20877 (866) 955-7192 gacservices.com

Reliable customer support

Prompt service delivery

Informative resources

Clear pricing policy

Services Offered

Indoor air quality
Duct cleaning
Ac repair
Furnace installation
Filtration
Emergency services
Maintenance
Inspection
Smart home integration
Ductless
Ac installation
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on hvac companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

If your home's HVAC system is malfunctioning or nearing the end of its lifespan, you may need to hire an HVAC contractor for repairs or replacement. Look for these common signs that your system requires expert attention:

  • Frequent breakdowns and need for repairs
  • Refrigerant leaks
  • Higher than normal energy bills
  • Odd noises when the system turns on
  • Rust, corrosion, or cracking
  • Thermostat malfunctions or temperature control issues
  • Poor air circulation or uneven heating/cooling
  • An HVAC system that's over 15 years old

If you notice any of the above, it's wise to have a local HVAC technician inspect your system. They can diagnose problems and let you know whether repair or full HVAC replacement is needed.

Cost of HVAC Installation and Maintenance in Hagerstown

Your HVAC installation or maintenance cost varies depending on the type of unit. Common HVAC unit types include the following:

  • Split or mini-split: If your home lacks the ductwork for central heating and cooling, you probably have a split or mini-split system instead. Split HVAC systems have interior units in each room to control temperature. These connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system functions very similarly to a standard split system. It has the advantage of having the capability to use either electricity or gas for power.
  • Heat pump: Heat pumps circulate hot and cool air between your home and the outdoors. They don't produce their own heat or AC, so they perform best in moderate climates.
  • Packaged heating and air: Packaged HVAC systems are a good choice for smaller homes. They have a single heating and cooling unit, usually in a basement or attic. This unit is often compact, cost-effective, and easy to maintain.

The amount you spend on HVAC maintenance also depends on what kind of work you're having done. HVAC systems are complicated and might require different kinds of maintenance. The cost of some common repairs is as follows:

HVAC Unit TypeCost
Split$1,854-$4,725
Hybrid Split$3,756-$6,920
Heat Pump$2,908-$29,635
Packaged Heating and Air$243-$406

Ways to Save Money on HVAC Costs

Fixing your HVAC by repairing or replacing parts when needed is important, but can be costly. Fortunately, there are steps you can take to slow the wear and tear on your system.

  • Keep your system clean. Regularly cleaning indoor evaporator coil, ductwork, condenser fan blades, and grills helps your HVAC system run efficiently and lowers the risk of mold. The National Air Duct Cleaners Association recommends cleaning your heating and cooling system when it starts to look dirty.
  • Change the position of your blinds seasonally. Keeping your blinds open in the winter helps you take advantage of passive solar heating. Keeping them closed in the summer helps keep some of this heat out. Both of these measures help reduce the frequency with which you need to run your HVAC.
  • Monitor for potential problems. Monitoring your system for issues — for example, by checking your thermostat and energy bills regularly — helps you get ahead of problems before they get too expensive.
  • Change filters regularly. Replacing or cleaning your air filters every 1–3 months helps air flow efficiently through your system. You should also try to keep debris away from the outdoor portions of your HVAC system as much as possible.
ServiceCost
Filter Replacement$61-$162
Condensor Cleaning$1,217-$3,651
Thermostat Repair$81-$203
Ductwork Cleaning$389-$973

How To Choose a Local HVAC Company

Knowing what makes a trustworthy HVAC company is crucial for a successful installation or repair. Hiring an experienced, credentialed HVAC contractor gives you confidence your system can provide reliable heating and air conditioning year-round.

Compare Multiple Bids

Request estimates from at least three HVAC contractors. Explain your issues and ask if specialists can inspect your system in person. Compare each contractor's diagnoses, recommended solutions, estimated cost, timelines, and warranties. Avoid companies that pressure you or demand payment before work.

Check Credentials

It's important to choose an HVAC company that employs technicians with the appropriate qualifications and expertise. HVAC contractors in all states have federal requirements set by the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, individuals must pass an exam (the specific exam depends on the kind of equipment they intend to work with). Section 608 certification is required for all technicians who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." All other licensing requirements are handled on a state-by-state basis.

In Maryland, HVAC contractors are licensed by the Maryland Board of Heating, Ventilation, Air Conditioning and Refrigeration Contractors. To obtain a master or master restricted license, a contractor needs to have at least three years of experience and must have both property damage and general liability insurance. Checking reviews on Yelp, Google Reviews, the Better Business Bureau (BBB), and similar sites can help your decision as well. Choose a company with stellar reviews and reports of positive customer experiences.

Understand Work Details

Always make sure you understand the details of your project. For HVAC repairs, your provider should list which parts need replacement and why. Confirm that your technician will clean and test the system after repairs are completed to ensure that it’s working properly. When replacing your HVAC system, ask the contractor to provide details on the new estimated installation time, features, brand, energy efficiency, and model. Before signing a contract, make sure you understand the process your provider will use to select the correctly sized system for your home and what the cost will be.

Compare Warranties

A trustworthy HVAC company will back its repair work and equipment installations with a warranty. The longer and more comprehensive the coverage terms, the better. Carefully compare warranty terms between contractors and choose the company that provides the best protection within your budget.

Get Quote in Writing

Get written quotes before beginning any HVAC work. The quote should cover costs for both labor and materials. Read all terms carefully before signing.

Frequently Asked Questions About HVAC in Hagerstown, MD

Generally, you should have your HVAC system inspected twice a year. After that inspection, your HVAC technician will tell you what, if any, services are required. You should also have an inspection if you start to notice any issues, such as unusual smells, leaks, or strange noises. If your home has ductwork, it should be serviced every few years.

The best times to have your HVAC system inspected are the spring and fall. Technicians are often less busy during these times, making it easier to get an appointment. This also helps get your system ready for the summer and winter, which is when it normally sees the most use.

You can save energy throughout the year by reducing the amount of power your HVAC system uses to maintain the temperature of your home. Always keep your thermostat as close to the outside temperature as possible, and try to adjust it only a few degrees at a time. You may also consider installing a smart thermostat.

For a 2,000-square-foot home, try to purchase a furnace that's between 50,000 and 80,000 BTUs (British thermal units).

For a 2,000-square-foot home, you'll also want to look for an air conditioning unit with between 2.5 and 5 tons of capacity. In general, if your home is larger than 1,000 square feet, central air will be more effective than window air conditioning units.

Your HVAC company might offer financing options via a third-party lender, or you may be able to obtain your own loan. It's a good idea to discuss payment options with your HVAC company and a financial advisor to make sure that you find the best option for you.

There are several ways you can make your HVAC system more energy-efficient:

  • Keep your air ducts clean and change or clean your air filters on a regular basis.
  • Schedule regular inspections to take care of problems as they come up.
  • Make sure your doors and windows are well-sealed and keep your attic well-ventilated.
  • Install a smart thermostat. If you aren't able to purchase one, try keeping the temperature indoors as close to the outside temperature as you can.
  • When you need to replace part of your HVAC system, explore Energy Star-certified or other environmentally friendly options.

Other Hagerstown, MD Home Services

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