are just a phone call away!

(360) 678-5402

(360) 331-1859

A licensed technician is on-call after hours for emergencies

Here at Marshall's Mechanical, we provide our customers with the best quality services available. Serving all of Whidbey Island and Anacortes, we have been supplying our community with first-class products and deliverance for over 14 years.

Heating And Cooling Services

  • Electric, Propane & Gas Furnaces
  • Heat Pumps
  • Ductless Heat Pumps
  • Fireplaces
  • Dual Systems
  • Duct Cleaning & Sanitizing
  • ​Duct Work & Duct Sealing
  • Duct Leak-Testing
  • Annual Maintenance & more!

​If you're searching for reliable, local support for your heating and cooling needs, you've come to the right place!

No matter what you are looking for, we've got you covered - Need a new ductless heat pump system? Having trouble with your furnace? No problem. Is the air quality in your home causing health issues? Our top-of-the-line duct cleaning services will have you breathing better in no time!

Our team of licensed technicians are skilled and factory-trained for all of your heating and cooling needs, including:

Quality Heating and Cooling Services, when you need it most

For qualifying systems

Up to $3200

Rebates available!

Specials and Resources

Click here for information on upgrading your outdated system, lowering your energy costs and more

Click here for our latest specials, product resources, videos and financing information

Click here to see the services we offer, including top-rated duct cleaning, annual maintenance, repair and refrigeration


Repair and Maintenance

360-678-5402  Whidbey Island's Local Heating & Cooling Professionals  360-331-1859

Serving Oak Harbor, Anacortes, Coupeville, Greenbank, Freeland, Langley & Clinton