HVAC reviews in Sunnyvale, California

Excellent attention to detail, the ducts are free from dust and debris, and heating and cooling efficiency has noticeably increased.

Knowledgeable technicians explained everything clearly, the ducts were cleaned thoroughly, and overall airflow has improved significantly.

Friendly and skilled technicians, service was punctual and thorough, and my HVAC system now runs much smoother.

Oxygen Air Duct Cleaning delivered excellent air duct and vent cleaning that noticeably improved our indoor air quality and reduced dust buildup. Their crew was punctual, professional, and very thorough. Highly recommended for healthier, cleaner home air in Sunnyvale!

Very professional air duct cleaning service, the team removed all dust and debris efficiently, and the indoor air quality improved noticeably.

Eugene fixed my dryer right away on Saturday. He has all parts needed. Great service. Will definitely call this company in the future.

When my heating failed to work as it should, they responded quickly and restored warmth to my home. They were a lifesaver!

When the furnace stopped blowing heat, we were worried. Thankfully, these guys came out and got it working again fast.

The installation was completed without any problems and with professionalism. Thanks to the wonderful staff, my house looks warm and inviting!

When my home AC broke down, these guys came the same day and sorted it out. The technician was helpful and explained everything clearly.

From the outset, communication with Green Tree was seamless. Scheduling was easy, and their team was accommodating to my availability. The staff exhibited professionalism and friendliness, making the entire process a pleasure from start to finish.

Our AC wasn't working as it should, but they came and fixed it, and it's running smoothly now. If you need your AC repaired, I'd recommend them.

I recently moved into my Green Tree household, and while the exterior is charming with its lush greenery, I've encountered a few symptoms problems that need addressing. The first issue I noticed was a persistent leak in the bathroom faucet. Despite my attempts to tighten it, the drip continues, causing both a water wastage concern and an annoying sound throughout the day.

Perfect temperature control restored! They quickly replaced our faulty AC thermostat. Highly recommend their efficient service.

Extremely happy with the entire process from start to finish. I can't find any other words to say about this HVAC repair company. I am deeply impressed with the repair of my ac that was not blowing air, and it really satisfies me big time. Indeed, a total package of service that I will surely take again in the future. Nicely done! You guys nailed it!

Impressive work from this guy! He helped me a lot today as he estimated the air duct replacement I needed. I appreciated him for exerting much effort and time to address my concern. This guy and your company deserve to be known by many. On the same day, he fixed my ac that was making noise. You have the best and most affordable repair service. You're highly recommended to everyone!

We’ve gotten in the habit of having our furnace checked out before winter hits. These guys always do a solid job and it helps us feel ready when the cold shows up.

The range of services provided by Green Tree is impressive, covering everything from cleaning to minor repairs. What stood out was the meticulous attention to detail displayed by their team. They not only met but exceeded my expectations, leaving my home looking and feeling refreshed.

I couldn't stop wondering who would do our AC installation. It felt good when Green Tree Household Services did the installation, and I didn't have any regrets about using your services. What a well-done job, guys!

This company's skilled technician showed up on time and was able to fix my ac that stopped working. I was happy that he's the one I hired for he's skillful and efficient. He's determined to fix everything within an hour. Even the other minor problems were solved as well the same day. So happy to find out that my unit was working back to normal.They will be my first call the next time I need hvac repairs.

The team members were not only skilled at their tasks but also respectful of my home. They worked efficiently, leaving no mess behind. It's evident that customer satisfaction is a top priority for Green Tree, as they went above and beyond to ensure I was pleased with the results.