4.7 
20 *The Angi rating for Water Heater Service companies in Onset, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Water Heater Service needs.
*The HomeAdvisor rating for Water Heater Service companies in Onset, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Water Heater Service needs.
Last update on January 07, 2026
Serving Onset, MA and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Emergency services offered
Warranties offered
"He was great responded the same day and finished job in a timely matter. Very good water heater was provided as well."
+7
Serving Onset, MA and surrounding areas
Approved (Corporate)
In business since 1944
Free estimates
Emergency services offered
"Very polite electricians. Kept me informed and checked what they were planning to do to make sure it was what I wanted."
+56
Serving Onset, MA and surrounding areas
Approved
Super Service Award Winner
In business since 2006
Free estimates
Emergency services offered
"Showed up at promised time with all they needed to replace the water heater and completed the work in under an hour. Not my usual experience with plumbers. Price was the lowest of three I contacted."
+4
Serving Onset, MA and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
"I recently had a brand new HVAC system installed for both heating and cooling, and I couldn’t be happier with the experience. The team at Comfort Professor was extremely professional from start to finish. They worked efficiently, paid attention to every detail, and left everything spotless when the job was done. The cleanup was perfect, which I really appreciated. Highly recommend them if you’re looking for quality work and a smooth, hassle-free installation!"
Serving Onset, MA and surrounding areas
Approved
In business since 2000
Free estimates
Customers say: Quick response
"Amazing experience all around. Easy to schedule and to work with, good deal and amazing work installing a tankless water heater. I will definitely call for any future needs."
+3
Serving Onset, MA and surrounding areas
Approved
In business since 2016
Free estimates
Emergency services offered
I am a Master Plumber here on the Sorth Shore, and have 20 years experience in plumbing. I pride myself on the quality of my work, and put great thought and effort into every detail. I am very professional, and offer excellent workmanship at a competitive price. My niche is small service jobs such as water heaters, fixture replacements, and general repairs etc. I am also available to to boiler replacements, and specialize in high efficiency boiler installations. \n
Serving Onset, MA and surrounding areas
Approved
In business since 1990
Emergency services offered
Warranties offered
"They came to my home showed me what needed to be done and they went and got the water heater. When they came back a short time later they had the tank and installed it in an hour with new pipes and a new shout off that I can do."
+24
Serving Onset, MA and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Offers commercial services
"Awesome plumber. Friendly and easy to work with. Fair price too. Thank you Moses."
Serving Onset, MA and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
R. CLAYTON HOME SERVICES, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
Serving Onset, MA and surrounding areas
Approved
In business since 2008
Free estimates
Credit card accepted
". This company has done a plethora of work for myself and my family. He has installed appliances such as dishwashers, washer and dryers, garbage disposals, faucets and sinks, a hot water heater, and a gas boiler. He is very trustworthy and knowledgeable about what he does and stands by his work. If there is an issue, he will get back to you and fix it in a timely manner. His pricing is reasonable and he does excellent work. I would recommend anyone to use him."
From average costs to expert advice, get all the answers you need to get your job done.
Learn about the different factors that go into water heater gas valve replacement costs to see if you should DIY the project or call a pro.
A water heater flush costs $160 on average but can vary based on the unit size, type, labor, location, and more. Keep reading to learn how much you could pay.
Tankless water heater costs depend on the size of your water heater, location, fuel type, and more. Keep reading to calculate your expenses.
Worried your water heater might freeze this winter? Learn to spot the warning signs and how to safely thaw your tank or tankless system out if necessary.
Hybrid water heaters will have you weighing high initial costs versus long-term savings. Is it the right option for you? Explore the pros and cons of hybrid water heaters.
The average lifespan of water heaters is 6 to 15 years for conventional models and up to 20 for tankless ones, but it can be less if they are not properly maintained.
