Air Conditioning Contractors of America (ACCA)

ACCA is a non-profit association whose membership includes more than 60,000 professionals and 4,000 businesses in the indoor environment and energy services community. ACCA works to promote professional contracting, energy efficiency, and healthy, comfortable indoor environments.

Angie's List

For over two decades, Angie's List has provided trusted reviews to help millions of consumers make informed and confident hiring decisions when it comes to local service providers.


  • Northern Virginia Magazine 2018 Best Home Experts
  • Angie's List® Super Service Award winners 2007-2008-2009-2010-2011-2012-2013-2014-2015-2016-2017-2018
  • Trane Distinguished Dealer Award winner 2011
  • Top Trane Dealer 2012
  • Shanahan's Heating & Cooling received over 600 consumer ratings from Consumers' CHECKBOOK and Consumer Reports subscribers. See our ratings at

Licensed, Bonded & Insured

State License 2705012185

What To Expect When You Call Shanahan's

  • Personal, friendly customer service
  • Timely appointments
  • Free written estimates on system replacements & installs
  • Priority emergency service
  • Service on all makes and models
  • High-efficiency products and warranties

"They resolved my issue on the very first visit." -Madelyn W.

© Shanahan's Heating and Cooling, Inc. with services provided by SNELL Heating & Air Conditioning. All rights reserved. License #2705171530