Professional water heater repair, installation, and replacement for tankless and traditional systems in Lowell, Marlborough, Arlington, and nearby communities. Same-day service available. Licensed, insured, 1-year warranty.
"Another plumbing company wanted $6,500 for a new water tank. Joshua diagnosed the real issue, fixed only what needed repair, and resolved our emergency the same day. His honesty and expertise saved us thousands of dollars."
When your water heater fails, we diagnose the problem correctly. We handle leaks, sediment buildup, thermostat problems, and heating element failure. Same-day service available. Licensed and insured.
Same-Day Service
When water heater replacement is necessary, we install new units quickly. Tankless or traditional water heater installation. We handle the removal of your old unit, run new lines if needed, and test everything before we leave. One-year labor warranty on all water heater installation work.
1-Year Warranty
Tankless water heater systems need regular maintenance to perform efficiently. We flush systems to remove mineral buildup, check gas lines and ignition, and inspect electrical connections. Regular tankless water heater maintenance prevents costly failures and keeps hot water flowing. Licensed and insured.
Preventive Maintenance
A water heater that's 8 to 12 years old and failing may not be worth repairing. A newer unit with a single problem often makes sense to repair. We give you honest options and the real cost of each path so you can decide what's best for your home.
Honest Assessment
Call or text us for a free estimate over the phone or online. On-site estimates are $75, which applies toward your final bill if the job moves forward. For emergencies, same-day service is often available. Once you approve, we schedule the work or handle it right away if it's urgent. We show up on time, complete the work clean, and follow up for a review.
Same-Day Response
Joshua started this company to deliver honest diagnostics. We don't push replacements you don't need. We show up fast, diagnose correctly, and fix only what's broken. Every job includes a one-year warranty on our labor. Licensed and insured plumbing and gas-fitting installers. License #35600.
See examples of our finished work: water heater repairs, installations, replacements, and more.
View Our Projects
From bathrooms to kitchens, we handle all the plumbing for your remodel. We coordinate with contractors and homeowners, deliver clean work, and leave your home spotless.
1-Year Warranty
See Remodeling & InstallationKeep your heating system running through Massachusetts winters. We service and install boilers to keep you warm and comfortable.
Licensed & Insured
See Boiler Services
Leaks, fixture problems, or gas line work. We handle it and clean up after ourselves.
1-Year Warranty
See All ServicesTop Shelf Plumbing & Heating is a licensed and insured plumber serving Lowell, Marlborough, Wilmington, and surrounding areas. License #35600.
Learn More About UsCall or text us for a free estimate over the phone, or send us a message and we will get right back to you.
Based in Lowell, we service Marlborough, Haverhill, and communities within approximately 20 miles, including Arlington, Wilmington, Reading, Waltham, and the greater Merrimack Valley region.
