Get matched with top tankless water heater repair pros in Concord, MA

Whatever plumbing or heating problem you have can be fixed right for a reasonable price. I accept Cash, Check, Credit Cards, PayPal, Venmo, and more.

Since our founding, ER Services Plumbing & Heating has been known for quality services, exceptional efficiency, and the highest level of professionalism. No matter what service you’re looking for, we guarantee to not only meet but exceed your expectations and ensure your full satisfaction. We have been servicing the Merrimack Valley and North Shore for 15+ years of professional experience. We excel in High-Efficiency Boilers, Water Heater Replacement, New Construction, Remodels, and Repairs. - Call today!

With over 20 years of experience, boilers and water heaters are our specialty. - High Efficiency and Combination Boilers - Tankless Water Heaters - Heat Pump Water Heaters - Steam Boilers - Standard Hot Water Boilers - Standard Tank Water Heaters

Advanced Energy Concepts was established in your community in 1990. Our main focus is energy conservation. Advanced Energy concepts also does a variety of plumbing services for your residential home

Call SP Mechanical Service for all your gas plumbing and plumbing needs. We specialize in Water Heater and Gas Boiler installation, but we're happy to help with any of your plumbing or heating needs! Give us a call at (978) 736-0158.

Over 70,000 Massachusetts homeowners trust Addario's for peace of mind. For nearly 30 years, we've kept homes comfortable with heat that stays on, clean water, and reliable systems. We've served 50,000+ families with true craftsmanship and integrity. A+ BBB rated with the region's strongest warranty, we're the company your neighbors recommend. As one of the state's fastest-growing companies, we're licensed, insured, and fully equipped for plumbing, heating, cooling, electrical, drain cleaning, sewer replacement, generators, bathroom remodels, and more. Our 50+ expert team doesn't just fix problems—we prevent them. Every service includes a personalized Homeowner's Maintenance Checklist to protect your investment. When your heating or cooling isn't working right, we don't guess. We fix it fast, completely, and correctly the first time. You just call Addario's—and consider it handled.

Since 2015, Full Swing Plumbing, Heating & Air has been delivering Grand Slam Service and Big League Comfort to homes and businesses across Greater Boston. Born from a commitment to reliability, skill, and trust, we’ve built a reputation as the comfort champs our community can always count on. From routine tune-ups to emergency calls to full-scale installations, our team steps up to the plate every time with the expertise and hustle it takes to keep your space running smoothly. No surprises, no shortcuts—just straight talk, fair pricing, and work done right. At Full Swing, we believe every customer deserves a home-field advantage when it comes to comfort. That’s why we bring the same energy, precision, and passion to every job, making sure you never have to sit on the bench when it comes to plumbing, heating, or cooling. Full Swing Plumbing, Heating & Air—Grand Slam Service. Big League Comfort.

Clay Plumbing & Heating a locally owned and operated family business, has established itself as a reliable and leading provider of plumbing and heating services for the Central Massachusetts area since 2007 with over 20 years of experience. Our team provides a full range of plumbing services including boiler and water heater installation and repair. Every member of our team is fully trained to quickly and accurately diagnose any plumbing work that needs to be done. That way, when you have a situation that requires a professional plumber, you’ll feel confident in calling the Clay Plumbing & Heating team for help. Give us a call or click to request a quote today! We are just around the corner to help you with any problem! We also offer up to 100% financing up to $65,000.

"10 stars for this company and the quality of their employees..." - Google Review "This team is a gem in town..." - Google Review "Arrived on-time, super friendly and courteous..." - Google Review "If I could give more stars, I would..." - Google Review

Genove Oil & Air provides Bioheat & oil delivery as well as residential and commercial installation/service for oil & gas heating units, water heaters, heat pumps, central A/C and ductless HVAC systems. As a complete energy company, we offer our customers modern energy efficient heating and cooling options. We take pride in what we do, making excellent customer service our top priority! Based in Waltham, serving Eastern Massachusetts, Metrowest, and Greater Boston since 1977.