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hvac systems

HVAC Systems & Air Conditioning

We are prepared to handle any of your comfort or process installations. We attack all jobs with the same detailed experience and expertise. If it's an installation for a new building or a retrofit for an existing building, DC Mechanical is equipped to handle all of your HVAC installation needs. 

Our commercial HVAC installation team in Northern Virginia will make your business their #1 priority. That means they’ll put every effort into seeing that they keep interference with day–to–day work to a minimum and they get all the work done on time.

General Contractors and building engineers in Northern Virginia, Maryland and the Washington, D.C. Metro area can rely on the plumbers at DC Mechanical to handle every water issue that comes up at their property.


When your commercial air conditioning isn’t working properly, you need fast, dependable service. DC Mechanical is your source for service you can count on every time. Our technicians are highly trained and experienced and arrive in trucks fully stocked to complete most repairs on the first trip. We use high-quality parts, tools, and equipment so you can feel confident the job is completed correctly.

While negligence is the leading cause of an AC breakdown, normal wear and tear can also eventually cause a malfunction. No matter the case, DC Mechanical service technicians are trained to repair most makes and models of air conditioners.

If your air conditioning system is irreparable or you’re in the market for an upgrade, you’ll need a capable HVAC company to complete a new unit installation. Our team will work carefully to make sure it’s installed correctly.

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  • Replacement of existing HVAC systems

  • Refrigeration service on all systems

  • Sheetmetal

  • Air & water balance

  • HVAC insulation

  • Chillers, chilled water systems

  • Cooling towers

  • Split systems

  • Package systems

  • Roof-top units

  • Heat pumps

  • Air handlers including parts, piping and controls

  • Pumps, motors, controls

  • Dehumidifiers

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