Endless hot water and lower energy bills with a properly sized tankless system. Local plumbers serving New London and Merrimack County — open 24/7 with upfront pricing.
(888) 480-9811MJA Plumbing and Heating is the trusted choice for tankless water heater installation in New London, New Hampshire. Homeowners in New London and nearby Wilmot, Sunapee, Springfield rely on our plumbers for same-day service, honest pricing and work that lasts. Endless hot water and lower energy bills with a properly sized tankless system. Call (888) 480-9811 to schedule tankless water heater installation in New London today.
Tankless water heaters heat water on demand, so you never run out and never pay to keep 50 gallons hot all day. MJA Plumbing and Heating sizes the unit for New Hampshire's cold incoming water, installs gas and venting correctly, and sets it up for years of trouble-free service.
A real person picks up day or night, and an emergency plumber is dispatched immediately.
You get the price in writing before we start. No surprises on the invoice.
Most repairs finish on the first visit because the parts are already on the truck.
Our plumbers live and work in the communities we serve and know the local water and winters.
Shoe covers, drop cloths and a tidy job site every time.
If a repair we made fails, we come back and make it right.
Cold NH groundwater matters — an undersized tankless unit will disappoint. We size for winter.
We provide tankless water heater installation throughout New London and the neighboring towns of Wilmot, Sunapee, Springfield, Sutton, Newbury, Croydon.
“Frozen pipe in January — they thawed it carefully, no damage, and added insulation so it won't happen again.”
Ray C.“We manage a small restaurant and MJA handles all our plumbing. Fast, professional, and they answer the phone.”
Angela D.“Sump pump died during a storm. They replaced it and added battery backup the same afternoon.”
Pete S.We offer same-day tankless water heater installation in New London and 24/7 emergency response. Call (888) 480-9811 and we will give you an arrival window right away.
You get an upfront, written price before any work starts. There are no overtime charges for nights, weekends or holidays.
Yes — we cover all of Merrimack County including Wilmot, Sunapee, Springfield, Sutton.
Emergency plumbers on call 24 hours a day across New Hampshire. Upfront pricing, same-day service.
(888) 480-9811