Get matched with top tankless water heater installers in Vacaville, CA

"Water Heater Masters were top-notch! I called on a Saturday afternoon - they were available 9am Sunday morning to come and inspect and quote. They only had one guy working that day, but scheduled me for Monday morning between 8 and 9. At 8:15am I got a call with an ETA of 8:45, which was a really nice touch! Despite telling me it would take an entire day to install, they were done by 1pm. They also found some creative ways to do the install to avoid drilling through my stucco (for the exhaust vent and for the condensate run-off). Very professional and clean-looking install. These guys may not always be the cheapest around, and they recommended a top-of-the-line heater (which is what I really wanted anyway), but I'd much rather pay a little extra for that level of service and support. Thank you!"

"They showed up on time. They replaced and installed a new tankless water heater unit. David and his staff are very friendly. We are happy of our newly installed unit. It turned out great!"

"Ty was great! He was very responsive, even on a Sunday night. He helped me weigh my options on tank vs tankless, and fit me in on Monday. He got my water heater replaced, tested, and working better than ever. He also got me the necessary safety equipment our previous system was lacking and was a pleasure to chat with. Thanks so much Water Heater Guyz!"

"Found mother board problem. Would require replacement. I decided the repair was not worth the cost. Replaced the tankless system with standard tank type myself."

"Jason was very polite and the completed job was great. They disposed of the old tank water heater cleaned up the area and the install was completed in about 4 hrs. Very satisfied with the unit and the installation."

"Excellent from start to finish. Arrived on time, replaced our old water heater with a new one, left everything very clean and, from what I can tell, provided excellent workmanship at a very reasonable price."

"August 25, 2026 Rated 5/5, I am writing to express my appreciation for the excellent customer service provided by Horacio Parker, a plumber with Beutler Air Conditioning and Plumbing. On August 25, 2026, water was leaking from my water heater onto the garage floor. Mr. Parker responded promptly, listened attentively, and showed patience, empathy, and understanding of my concerns. He was courteous, polite, friendly, and maintained a professional, positive attitude throughout the service call. Mr. Parker shut off the power and water, drained the old 75-gallon Bradford White water heater, and installed a new 75-gallon Bradford White Energy Saver water heater. He communicated clearly and showed me how to shut off the water to the house and turn off the water heater to help prevent future flooding. Mr. Parker is an asset to Beutler Air Conditioning and Plumbing, and any company he provides service to Lovevasia Bey"

"We chose BeastBay Plumbing for a complete home repipe after meeting with several companies. Ron Buris and Jovon were professional and promised great service, which is why we hired them. I requested the work be permitted. The crew worked hard, but cleanup could have been better. Unfortunately, the day after the job was completed, a newly installed pipe behind our chimney leaked, soaking our brick fireplace. They repaired it, but it leaked again a couple of days later, causing more water damage. We had to shut off our water and went without water until Monday because no technician was available Sunday. I was told someone would bring fans to dry the area, but no one came, so I rented them myself. The city later failed the inspection, requiring additional corrections. We paid quite a bit for this project. After final payment, communication became very poor. I expected better follow-up and accountability for a job of this size."

"Travis is an excellent plumber. He is experienced, fast, knowledgeable, courteous, patient, and affordable. I highly recommend him to anyone who needs a plumber."

"Furnace blower would't run. James explained the problem & installed the condenser-which he had on the truck. He also explained some "issues" that might come up in the near future. He performed some maintenance that was overdue. Seemed very thorough & most importantly, the heater worked properly when he was done!"