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Not too cold. Not too hot. Your home should feel just right.

We make your indoor comfort our business. And we do it right with heating and air conditioning equipment, service, and repairs that have earned us the loyalty of our customers for more than 35 years.

~ OUR CURRENT SPECIALS ~

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  • "

    Clint was very professional and explained everything in an easy to understand fashion. He answered all of my questions and gave his honest opinion as far as what my particular home would benefit from. He made..."

    - Janet S.
  • "

    Bill was easy to deal with, and responsive to my inquiries. His pricing sealed the deal. Brendan and Reid were terrific.....courteous, professional, working hard to make the installation of my new Mitsubishi mini..."

    - Paul R.
  • "

    I am a long time customer of SSI, having a heat pump/AC system installed in the late 90's. Over the years they have always been prompt and courteous whenever I've needed them for service or repairs. They..."

    - Mary S.
  • "

    We had to have a new furnace and AC installed shortly after we moved, after John from SSI looked it over throughly and determined that the old one was unsafe. He explained things very thoroughly. Renee got us on the..."

    - Laura H.

About SSI

Northern Virginia’s Trusted Heating & Air Conditioning Contractor

SSI is a full-service mechanical contractor in Virginia (Va) specializing in creating comfort through indoor heating and air conditioning. Founded in 1979, (SSI) remains committed to the values that have helped us grow from a small family-owned service business to a leading Northern Virginia residential and commercial HVAC contractor.

Still family owned and operated, SSI is now the trusted mechanical contractor for significant commercial enterprises, including Dulles Airport, and we bring indoor comfort to a large number of loyal residential customers. We do it all with an unwavering commitment to quality, timeliness, and value that have been part of our mission from the beginning.

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Latest Blog Post

How a Humidifier Can Save You This Winter

With the winter weather comes the dry air that can wreak havoc on our sinuses, skin, and the comfort level of our living space (among other things). Having a plan for adding moisture to the air will help combat a lot of issues that come during this time of year, and a humidifier is going to be one of the top choices. Here are a few ways that incorporating a humidifier into your home can save you this winter and give you the comfort that you're craving all season long. 

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