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5 Series

500A11 WaterFurnace - Greenwood Heating & Air

If you are in need of a new water furnace, Greenwood Heating and Air offers high-quality HVAC products and installation services in the Seattle Washington area. 


An upgrade to our Envision line that upholds the exceptional comfort and reliability expected from the WaterFurnace name.

As the upgrade to our highly successful Envision Series, the 5 Series represents some of our best features and efficiencies yet. The 500A11 provides forced air heating, air conditioning, and even generates a portion of your home’s hot water – all from a single unit that offers a level of comfort and savings that’s far greater than any ordinary system. Available in many sizes and configurations, the 500A11 provides exceptional performance, versatility, and quiet operation. All 5 Series products utilize environmentally friendly R-410A refrigerant and the best in system components, including all-the next generation of WaterFurnace controls – Aurora. Aurora controls provide two-way communication between components for the ultimate in performance and troubleshooting capabilities. 500A11 units also feature an all aluminum air coil for durability and extended system life. The 5 Series upholds the standards we’ve set over three decades and the trust associated with the WaterFurnace name. Every unit is computer run-tested to ensure flawless performance at start-up – and in the unlikely event of a malfunction, they’re backed by the best warranties in the industry. Choose a geothermal system that’s Smarter from the Ground Up.

Diamond contractor preferred - Greenwood Heating & Air
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"Ryan came out to look at our issue and had it fixed in about 20 min. It was easy to get an appointment with Greenwood Heating and they even were able to come out earlier than anticipated. Great service for a good price."
Laura M.
Kirkland, WA
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"Sam and Dylan were very prompt, professional and highly experienced. I fully appreciate their expertise and have great respect for their workmanship. Thank you very much!"
Michael F.
Kirkland, WA
Greenwood Heating & Air Yelp
"Both the main office and the technician were responsive, scheduled me during a very busy time, and repaired and got my gas furnace back and running. I was without heat for less than a whole day. Great service, incredible documentation and feedback, and exceptionally reasonable prices."
Chas R.
Seattle, WA
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"Excellent experience. Don was on time and very thorough in his check-out of our furnace. He explained to me what he was doing step-by-step and verified that everything was in working order before leaving. Thanks."
Jack W.
Seattle WA