shamrock (703) 321-9622

Serving Northern VA Since 1990

Highly Rated in No. VA!

Angie’s List® Super Service Award winners: 2007-2008-2009-2010-2011-2012-2013

See our ratings at checkbook.org

As Seen on NBC4 Washington:

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Licensed, Bonded & Insured

ACCA Trane Comfort Specialist

Northern Virginia’s Home Comfort Specialists

At Shanahan's Heating & Cooling Inc., our goal is your comfort and peace of mind. We have been providing heating and cooling services throughout the Northern Virginia area since 1990. We have an excellent reputation for quality work and competitive pricing based on years of customer feedback.

Our family-owned-and-operated company provides maintenance for most major brands of heating and air conditioning equipment, water heaters and indoor air products so you never have to worry about your system failing with our knowledgeable and skilled company on your side. Just give us a call and we'll be there to help. Your satisfaction is our top priority!

Repair, Maintenance & Installation For:

  • Air Conditioners
  • Heat Pumps
  • Furnaces
  • Boilers
  • Water Heaters
  • Attic Fans
  • Humidifiers
  • Air Cleaners
  • Thermostats
  • UV Lights
  • Ductless Systems
  • Gas Fireplaces
  • Oil to gas conversions

Quality Service at Reasonable Prices