Call us today:
(703) 991-0909

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 nearly 35 years.

~ OUR CURRENT SPECIALS ~

Learn more about SSI’s:



Maintenance Agreements

Why we recommend them:

  • Prevent unexpected breakdowns.
  • Keep your system running efficiently.
  • Save 20% on any needed repairs.

Sign Up Today

  • "

    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.

Read More

Latest Blog Post

Tips for Keeping the Warm Air Inside This Winter

Tips to keep your home warm until spring

The famous groundhog prognosticator Punxsutawney Phil predicted an early spring yesterday when he failed to see his shadow, but that doesn’t mean we should turn off our heating systems and throw open the windows just yet. While we eagerly await the spring here in Northern Virginia, we should also stay focused on keeping our homes warm throughout the remaining winter days.

Connect With SSI:

Money-Saving Tips and Advice:

Receive Money-Saving Tips and Advice:

© 2016 SSI, Inc. All Rights Reserved Worldwide. Financing, with approved credit, is provided by Wells Fargo Financial National Bank.