Furnaces

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When the cold weather arrives, it’s important to have a heating system you can trust. If you’re thinking of a new furnace, we are the experts to turn to. We specialize in installations and repairs of high quality furnaces from major brands that are designed to last for years to come.

Installations and Repairs

If your system is broken beyond repair or you are looking to upgrade to a new unit, our skilled technicians will help you choose from a range of high quality options to determine which new system is right for your home.

High-Efficiency Upgrades

Increased utility costs may mean it is time to consider having a new, high-efficiency unit installed. We can help you determine which brand and system is right for your home.

Preventative Maintenance

Whether you need a seasonal tune-up or not sure when your system was last checked, we can help.
  • Avoid frequent repairs and the likelihood for system failure
  • Maintain energy-efficiency and keep energy bills down
  • Keep your air clean and healthy
Ready for Your Next Project?
Our professional technicians and staff are ready to help!
Our Repair Guarantees
Take advantage of these great offers
Connect with a Specialist
25% off service calls*
*available for Green Maintenance Plan Members
1 year labor warranty on completed repairs
Lifetime craftsmanship warranty on completed repairs
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Walter Zainey started the Greenwood Furnace Co. in the Greenwood neighborhood of Seattle in 1918 and quickly built a reputation for providing quality products and services.

We are committed to complete customer satisfaction and have a mission to be ‘The Most Trusted and Respected Home Services Company’ by providing the Highest Quality Air Conditioning and Heating products and services, and then backing it up with the industries best warranties and guarantees.

Today we have nearly 100 dedicated professionals with the single mission of 100% Customer Satisfaction.

"When my hot water heater started leaking, I immediately called Greenwood, a company I rely on to maintain my furnace and water heater, both of which had been installed by Greenwood. I received a speedy call back, courteous service and the information I needed to take steps back to water heater health! I am so impressed by this company." Rae Ann E.
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