HVAC reviews in Seattle, Washington

David from Greenwood serviced my furnace today as a part of the annual scheduled maintenance. He texted me about an hour before arrival to give me a heads up, which I appreciate. He arrived on time and proceeded to do the scheduled work. He was upbeat, competent, and answered all my questions. He took extra effort to diagnose a gurgling noise in the furnace's condensation pipe. He talked with his senior tech to diagnose the issue and eventually fixed it. That I really appreciate. A lesser technician would have ignored the noise and not do anything about it. I am very satisfied with David's work. Keep it up.

Chris did an amazing job! He was super thorough with cleaning the mini splits in our home, and went into detail about maintenance information, pricing, and membership plans in a way that was straightforward and clear which I really appreciated. He was also incredibly friendly and easy to talk to, and was more than happy to answer any questions I had. He wasn't pushy about the membership plans, and instead was more focused on making sure I had the information that I needed to make the decision if I decided to sign up for one moving forward. I will be using their services again in the future as the experience was good, the pricing was fair, and our mini splits are super clean and working beautifully. Again, a huge thanks to Chris for making it such a pleasant experience!

We recently replaced our furnace and A/C with a high-efficiency furnace and heat pump. Having used Greenwood Heating & Air for HVAC maintenance in the past, we made sure to get a bid from them—and they were the clear choice.

Luke guided us through the process, helping us choose the right system within our budget and making sure we were aware of local rebates. He was incredibly patient, answering all our questions and scheduling our install just three days later—faster than we expected!

Jordan, Jake, Noah, Riley, and Austin handled the installation with professionalism and care. They kept us informed throughout, ensured our thermostat was set up properly, and explained the next steps for permits and maintenance.

We’re very happy with the experience and look forward to working with Greenwood again. Highly recommend!

We had our home electrical system updated with a new panel. Greenwood gave us a great quote and walked us through details we were not aware of. Our technician, Joe, was so personable and knowledgeable and took so much time to answer questions, personally guarantee our expectations were met, and went above and beyond to keep us updated as the project went on. He gave us insight from his own home experience, and ensured our future goals (a hot tub!) we're considered as well. I would highly highly recommend Greenwood for electrical projects! The company is non-assuming or self-important, and it puts its customers' interests at the forefront.

I recently purchased a home in West Seattle and had my two gas furnaces serviced by Greenwood Heating. The technician, Aryan, was very detailed in explaining the work he performed including switching out the filters, diagnostic testing, and identifying critical safety issues as both systems were installed about 25 years ago. It was clear by the test results and pictures of the scope work he completed that it was time to replace them as I had a hole in one of my units that was leaking carbon monoxide . Since I was planning on getting a bid for a new system, Aryan proactively reached out to his colleague, Jonathan, to explain the situation.

Jonathan, the sales person, did an outstanding job expediting the order and facilitating the furnace replacement process end to end. He was very transparent and put together a very detailed bid that outlined all the services, warranties, and product information.

Brennan, installation technician, did an Excellent job removing the old furnaces, installing the new ones, and showing me how to operate the system. Additionally, he and his assistant were incredibly thorough in cleaning up.

I highly recommend Greenwood Heating. They have a stellar reputation in the Seattle market and I’m so grateful that I decided to use their services again as they installed furnaces for me many years ago while I lived in Queen Anne and did an amazing job. It’s nice to know that the continuity of professionalism and excellence is still there.

Rick did a super job with solving a tricky issue with my hot water heater. His attention to detail and persistence were exceptional. I have generally been very happy with the service I’ve gotten from Greenwood over the years. Every technician who has come out has been outstanding.

I cannot say enough good things about my experience with Greenwood Heating. From start to finish, their honesty, professionalism, and accountability have been exceptional — the kind of service that turns a first‑time customer into a customer for life.

Cameron, the technician who first came out, was incredibly thorough and knowledgeable. He took the time to carefully inspect my system, explain what he was seeing, and provide clear evidence of the underlying issues. His detailed assessment ultimately allowed me to get the necessary repairs fully reimbursed by originally contracted vendor, and I’m genuinely grateful for the care he put into his work.

I also want to recognize Jaxon, the plumber who was dispatched to get everything back up and running. They were equally professional and transparent. When reviewing the repair plan, they mentioned there might be an alternative solution that could save me money — but before making any promises, they wanted to get a second opinion to ensure it was the right approach. That level of integrity is rare. Because of that extra diligence, my quote was lowered, and I didn’t end up needing all the work originally specced out.

Greenwood Heating has demonstrated what true customer service looks like: honest communication, skilled technicians, and a commitment to doing what’s right rather than what’s easiest. I will absolutely continue using them for all future heating and plumbing needs.

Highly recommend — this is a company you can trust.

I had a heat pump installed a year ago and initially had some problems keeping it running. This left me feeling apprehensive about it working properly and consistently. Greenwood is known for excellent service and technician Felix did not disappoint. He is the best! His knowledge of the system, his clear explanations, his patience and excellent customer service left me feeling completely confident that Greenwood would be there for me. He brought Greenwood’s electrical expert with him, Patrick, who reassured me of the company’s commitment to their customers complete satisfaction. They left me with a plan of action that I’m confident will meet every expectation. Thank you Greenwood, Felix and Patrick!

We needed an electrical service upgrade to accommodate a Level 2 EV charger. These guys were great -- the job presented some unforseen challenges but they stuck with it (on New Year's Eve!). It was a 12 hour workday from them, but it's a clean, professional installation.

We chose Greenwood to replace our gas furnace and add a heat pump so we now use electric for cooling and primary heat and gas for our secondary heating. The salesman, John, went over all options available, pointing out advantages/disadvantages, etc. The install was scheduled within a week and the 2 technicians who installed everything did excellent work, as well as the electrician. They were professional in every way, courteous, and respectful. They kept us informed of the status at all times and communicated throughout the entire install, including giving us a walkthrough and tutorial on how to use the new equipment. They cleaned up everything and left the area spotless. Overall, I give them my highest rating and would use them again and recommend them to others. I don’t know how Greenwood’s price compares to others, but given the quality of work and professional workmanship, I would say it was well worth it.

Excellent service from start to finish! The team replaced my home gas furnace and did an outstanding job. They arrived on time, worked efficiently, and explained everything clearly. The installation was done professionally, and my new furnace runs smoothly and quietly. The technicians were respectful, knowledgeable, and made sure everything was cleaned up afterward. I'm happy with the whole experience and highly recommend Greenwood Heating and Home Services to anyone needing heating, air, electrical & plumbing services!

Our technician, Salvador, was wonderful to work with. On-time, professional, attention to detail, so kind, and very patient with our barking dog. Love working with Glendale Heating!

Glendale Heating and Air Conditioning is the best. No reason to call anyone else. These guys will take care of you in every way. They are knowledgeable, honest, and efficient. I’ve been a customer for many years and will continue to be one going forward.

Love Glendale Heating! I have been using them for over 20 years. Started back when I had an oil furnace in Arbor Heights. I now have a gas furnace that they installed for me 5 years ago. Great prices, skilled staff, clear communication. Just had my furnace services by Max. He did a fantastic job and very professional. Thanks so much!

Super company and such a nice knowledgeable technician who replaced my thermostat and serviced the furnace. Such a good feeling to be confident in the repairs and a company to trust.👍😁👍
Had them back today for full service and Salvador the technician.was so nice, professional and super attentive to detail I am very impressed. 10-8-2025

The gas furnace cleaning and tuneup services we requested were very well done and well priced. Salvador was right on time, very efficient, and obviously knew what he was doing. We plan t o use them again after a very positive first time experience with this company.

Greg did a great job. He was professional, friendly and informative. He addressed all my issues and I hope to see him again next year!

I have always found Glendale Heating and Air Conditioning to be reliable, efficient, timely, and communicative. What else can you ask for? I’m so glad they are in Burien where I live.
I had a sheet rock ducting issue that needed professional attention, and I got it.

Duncan Hume was my serviceman. He was very professional and friendly to deal with. He took the time to show me how to change the filter and then serviced the furnace for me.
Glendale has always been our go-to for furnace service.

Professional, courteous and for the most part, things went smoothly. I have used Glendale before and I will continue to call upon them for my furnace needs. Thanks again.

Brian and Zeek removed an old oil furnace and replaced it with a beautiful electric furnace with a heat pump. The space was tight but they creatively replaced the furnace. No collateral damage. Amazing!
Greg finished with the install. I am pleased!