Repair and Maintenance

Installations

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

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

Click here for information on upgrading your outdated system, lowering your energy costs and more

Specials and Resources

Rebates available!

Up to $3200

For qualifying systems

360-678-5402  Your Whidbey Island heating and cooling professionals  360-331-1859


Serving all of Oak Harbor, Anacortes, Coupeville, Greenbank, Freeland, Langley and Clinton


Quality Heating and Cooling Service, when you need it most

​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:

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

Heating And Cooling Services

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 12 years.

A licensed technician is on-call after hours for emergencies

(360) 331-1859

(360) 678-5402


are just a phone call away!