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Heat Pump Water Heater

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Heat Pump
Heat Pump Water Heater

Upgrade to a Smarter, More Efficient Water Heater

Tired of high water heating bills or running out of hot water when you need it most? With a heat pump water heater, you’ll get consistent hot water, lower energy costs, and a cleaner, greener solution for your home.

Our expert team at SumZero makes it easy to install heat pump water heater systems that are built to last—while helping you secure rebates and 0% financing.

Why Switch to a Heat Pump Water Heater?

Traditional water heaters waste energy and money. A modern heat pump water heater uses electricity and ambient air to heat water efficiently—cutting your utility bills by up to 70%.

  • All-electric and eco-friendly
  • Reliable hot water year-round
  • Compact, quiet, and long-lasting
  • Massive water heater rebates available
  • Eligible for a 0% interest water heater loan through Mass Save®

How We Install Heat Pump Water Heater Systems That Work

Designed for Your Home, Installed by Experts

We’ll review your space, usage patterns, and budget—then install heat pump water heater systems that match your needs perfectly. Whether it’s a new install or a replacement, we handle every detail.

Save Big with Energy Efficient Water Heater Upgrades

A certified energy efficient water heater doesn’t just pay off in comfort—it pays you back. Lower monthly bills, fewer repairs, and performance that lasts make this one of the smartest upgrades you can make.

Water Heater Rebates + 0% Interest Financing

Don’t leave money on the table. We walk you through every water heater rebate and help you apply for the 0% interest water heater loan, so your upgrade is affordable from day one.

Related Services

Rebates & Tax Credits

Mass Save rebates, tax incentives, and 0% financing options

Existing Home Heat Pump Retrofit

Whole-home electrification for homes not designed for heat pumps originally

Heat Pump Installation

Upgrade to high-efficiency heating and cooling with a professionally installed heat pump system.

Gas Water Heaters

Efficient and powerful hot water for homes that rely on natural gas—great for fast recovery and high demand.

Electric Water Heaters

Simple, reliable heating with flexible installation and energy-efficient options for everyday use.

Hybrid Water Heaters

The smart choice for savings, combining heat pump technology with electric backup for high efficiency and lower energy bills.

Want to learn more about the areas we serve? Discover our service area and see how close we are to helping you.
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Reliable Hot Water Starts Here
Water Heaters Installation
Electric Water Heaters
Gas Water Heaters
Hybrid Water Heaters
Water Heaters Replacement

What Local Homeowners Are Saying

See how SumZero has helped local homeowners stay comfortable year-round with energy-efficient heat pump solutions.

We contracted with SumZero Energy Systems for a Heat Pump installation to our 140 year old home. Raphael came to our home and took the time needed to explain the equipment and installation process in full. He worked with us to facilitate the electrical upgrade required for the new system. The electrician worked with our City and electric utility to get us the complicated upgrade despite the equipment supply shortages. The installation coordinator, Jackson came out and walked around the house and discussed the location of vents, returns and mini-splits throughout our home, always listening to our concerns. We also went outside to locate the placement of the exterior equipment, again listening to our concerns. SumZero promised a two day installation for our complicated installation and they delivered. The installation crew was courteous and considerate during the whole process and left our property immaculate. The system was up and running by the end of the second day. In addition, our two old oil furnaces were removed. Our two oil tanks in the basement were also removed professionally with all hazardous waste handled by licensed personnel. The office staff was very helpful in the processing of the Heat Loan (0% financing) and the MassSave Rebate ($10,000). The Heat Loan was approved quickly keeping our installation date on track and the MassSave rebate was approved within 30 days of installation. We have enjoyed the comfort of full home air conditioning during the summer, not missing our AC window units at all. We look forward to heating our home this winter without burning oil.
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Paul Koplow
Amazing service. High attention to detail, extremely knowledgeable, and very informative. Couldn't ask for more😀
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Stacy Coen
Our experience working with SumZero was nothing short of amazing. Raphael, Jackson, and the SumZero team were incredibly responsive, prompt, and helpful with every aspect of our heat pump installation project. We live in a unit of condos and our HOA (which is terrible) had a problem with us installing a heat pump. Raphael and team met directly with our HOA to give them a presentation on the heat pump we sought to install and convinced them to allow us to move forward. They then created a unique design to place the heat pump in our attic, with the lines running up the wall in a fashion that hides them beautifully. When their crew came to work they were extremely kind and efficient. A hole had to be cut in the wall for the lines, and a carpenter on their team promptly filled it and made the wall look like new. I cannot recommend SumZero highly enough!!!
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Amy Proal

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