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.

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Immediate comfort. Extended financing.

Explore the financing options available to you through SSI and Wells Fargo.

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HVAC or Plumbing Maintenance Membership

Be prepared for the seasons and prevent potentially expensive breakdowns and repairs, with priority service and an average of 10-20% savings.

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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 Posts

Remember to Switch Your Ceiling Fan Direction This Summer

When the weather gets hot, we start to notice our air conditioning working a little harder to keep us cool. Many homeowners search for ways to...

Posted Jun 13, 2018 | Read More
The 4 Most Common HVAC Emergencies & Their Causes

Here we explain the four most common emergency calls we receive at SSI. Learn the main causes of these four emergencies here.

1. Clogged...

Posted Jun 13, 2018 | Read More
Top 5 Ways to Use Less Water

There are a lot of reasons people try to reduce the amount of water used on a daily basis. For some households, the primary goal is to conserve...

Posted May 29, 2018 | Read More

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