Massachusetts Heat Pump Solutions for Every Home and Every Season
From cold-climate performance to full-home retrofits, we design high-efficiency systems that match your home, your lifestyle, and your savings goals—with expert support and unbeatable rebates.
The Truth About Heat Pumps – What You Need to Know
Uncover the facts about costs, rebates, and efficiency before making the switch.
Get expert insights and avoid common pitfalls
Mass Save®
Concierge Service
Navigating the rebate process alone can be stressful—let our 1-on-1 Mass Save® Concierge Service guide you through every detail. With up to $10K in rebates, $0 down, and 0% financing for up to 84 months, we're here to help you explore all available options. Contact us today to get started—no pressure, just expert assistance.
Explore Our Full Range of Heat Pump Services Built for Massachusetts Homes
Whether you’re upgrading from oil or gas, retrofitting an older system, or starting fresh, our solutions are engineered for year-round comfort, energy savings, and rebate maximization.
Engineered to handle New England winters with reliable, high-efficiency heating.
Flexible ductless and ducted solutions for zoned comfort and year-round savings.
Smartly combine fuel and electric systems for optimal comfort and lower costs.
Upgrade from gas heat to clean electric with expert design and full incentives.
Eliminate oil heating and enjoy efficient, all-electric comfort with rebates.
Get expert help navigating Mass Save rebates, tax credits, and 0% financing.
Electrify older homes with custom retrofits built for performance and comfort.
Save energy with electric water heating powered by proven heat pump tech.
Proudly Serving Massachusetts Communities
Explore our heat pump and HVAC service area to see if we’re in your town. We’re committed to delivering expert comfort solutions across dozens of local communities. View Full Service Area ›
Our Process
At SumZero Energy Systems, our 7-step process makes upgrading to a heat pump simple and stress-free. From consultation to installation and beyond, we guide you every step of the way—with clarity, care, and expert support.
Over 1,800 Massachusetts Homes Transformed with Tailored Heating and Cooling Solutions
Every home is unique, and so is our approach. As licensed MassSave® Heat Pump Installers (HPIN), we specialize in designing and installing systems that perfectly fit your home. We guide homeowners through the entire process, ensuring they understand their new heat pump's installation, operation, and maintenance. With us, your search for the ideal heating and cooling solution ends, backed by expertise and commitment to your satisfaction.
Customer Testimonials
We Specialize in Happy Customers
Stay Informed with Expert HVAC Insights
Get smarter about HVAC with the latest articles written by industry experts—designed to help you make the best decisions for your home.
Not Sure Where to Start? We’ll Guide You
Let our experts design the right heating and cooling solution—customized for your comfort, your layout, and your energy goals. No pressure. Just clarity.
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