Tankless Water Heaters in Massachusetts
If you’re tired of running out of hot water or dealing with an old, inefficient tank, it’s time to go tankless.
At Colt Home Services, we specialize in on-demand tankless water heater installation, repair, and maintenance throughout Greater Boston and surrounding Massachusetts towns. Our expert plumbers can help you upgrade to a modern, energy-efficient system that delivers endless hot water while saving you money and space.
Plumbing Services
Here is a quick list of the top plumbing services we offer:
Why Choose a Tankless Water Heater?
Traditional water heaters constantly heat and store water — wasting energy and running out when you need it most. Tankless water heaters, also known as on-demand water heaters, only heat water when you turn on the tap.
That means:
- Endless Hot Water: Enjoy unlimited hot showers — even when everyone else has gone before you.
- Lower Energy Bills: Heat only the water you need, when you need it.
- Longer Lifespan: Tankless systems can last up to 20 years with proper care.
- Save Space: Compact wall-mounted design frees up room in your basement or utility area.
- Cleaner Water: No sediment buildup like in traditional tanks.
A tankless water heater is a smart investment that pays for itself in comfort, energy savings, and convenience.
Tankless Water Heater Installation
Thinking about replacing your old water heater? We’ll make the transition seamless.
Here’s how we do it:
- Free Consultation: We’ll assess your current system, water usage, and household needs.
- Right-Sized System Selection: Choose from trusted brands like Rinnai, Navien, and Noritz.
- Professional Installation: Our licensed plumbers will install your system safely and efficiently.
- Testing & Education: We’ll test performance, check temperature stability, and show you how to use and maintain your new system.
Our team handles both gas and electric tankless units, ensuring your home gets the most reliable setup for its size and plumbing layout.
Tankless Water Heater Repair & Maintenance
Already own a tankless system that’s not performing like it used to? We’ve got you covered.
Common tankless issues we fix include:
- Fluctuating water temperatures
- Mineral buildup or clogged filters
- Ignition or burner problems
- No hot water or low flow rate
- System error codes
We offer same-day tankless water heater repair across Massachusetts. Our skilled technicians can diagnose and repair most issues on the spot — so you can get back to hot water fast.
Regular maintenance also helps prevent future breakdowns. Ask about our annual tankless tune-up program to keep your system running like new.
What to Expect When You Call Colt
Before your appointment:
We’ll ask:
- Is your current water heater gas or electric?
- How old is it?
- How many people live in your home?
- When would you like us to come out?
During your service:
- A licensed, uniformed plumber will arrive promptly.
- We’ll wear booties and use drop cloths to keep your space spotless.
- You’ll receive a clear, upfront estimate before any work begins.
- Most repairs or installations are completed same-day.
After service:
We’ll test everything, ensure your water heater runs flawlessly, and leave your home exactly as we found it — or cleaner.
Why Choose Colt Home Services
When it comes to your home’s comfort, you deserve professionals who care as much as you do.
- Employee-owned and family-run — real accountability and pride in every job
- Licensed, insured, and trained — decades of combined experience
- Transparent, upfront pricing — no surprises or hidden fees
- Clean, respectful technicians — uniforms, booties, and full cleanup guaranteed
- Trusted local experts — serving Massachusetts homeowners with integrity and care
Service Area
We proudly serve homeowners in Boston, Newton, Needham, Wellesley, Natick, Dover, Weston, Wayland, and nearby Massachusetts communities.
Go Tankless with Colt Home Services
Enjoy endless hot water, lower energy bills, and peace of mind with a professional tankless water heater installation from Colt Home Services.
Who Is Eligible for Mass Save Rebates?
Most Massachusetts residents qualify for Mass Save incentives — and many don’t even realize it.
To be eligible for Mass Save rebates and incentives, you must:
- Be a customer of a participating utility company (listed above)
- Live in a 1–4 unit home (single-family or small multi-family)
- Complete a no-cost home energy assessment with a certified Mass Save partner
Once your assessment is complete, you’ll receive a detailed energy report outlining potential upgrades and the exact rebates available to you.
As an employee-owned, family-run company, Colt Home Services provides everything you need to start saving — from scheduling your assessment to submitting rebate paperwork.
Service Areas: Boston, Newton, Needham, Wellesley, Natick, Weston, Wayland, and Dover, MA
What Is a Mass Save No-Cost Home Energy Assessment?
A Mass Save home energy assessment is a complete evaluation of your home’s energy efficiency. It’s designed to uncover where your home is losing energy and to help you make targeted, cost-effective improvements.
During your no-cost energy assessment, a Colt Home Services energy specialist will:
- Inspect insulation, air sealing, and windows
- Evaluate heating and cooling systems
- Review appliance efficiency and lighting
- Identify rebate-eligible upgrades
Afterward, you’ll receive a customized home energy report detailing:
- Where your home is wasting energy
- Recommended upgrades
- Applicable Mass Save rebates
- Long-term savings estimates
Completing an assessment is the first step to unlocking rebates and maximizing your home’s comfort and energy efficiency.
Included in Every No-Cost Assessment:
✅ Low-flow showerheads and faucet aerators
✅ Smart thermostats (when eligible)
✅ Air sealing and insulation recommendations
Available Mass Save Rebates & Incentives
Mass Save offers a variety of rebates and financial incentives to help homeowners afford energy-efficient improvements. These incentives can dramatically lower upgrade costs — sometimes by as much as 100%.
1. Heating & Cooling Equipment Rebates
Upgrade your old systems and save thousands on efficient technology.
Equipment Type | Rebate Amount | Details |
Air Source Heat Pump | Up to $16,000 | For whole-home systems |
Integrated Heat Pump Controls | Up to $1,500 | Add controls to existing systems |
Heat Pump Water Heater | Up to $1,500 | ENERGY STAR® certified models |
HEAT Loan Financing | 0% Interest | Up to $25,000 for qualifying upgrades |
2. Insulation & Air Sealing Incentives
Insulate your home to keep energy from escaping — often at little or no cost.
Upgrade Type | Incentive | Description |
Insulation Upgrade | Up to 100% Covered | Based on eligibility |
Air Sealing | Included | Prevents drafts and improves comfort |
Home Energy Assessment | No Cost | Required to qualify for incentives |
3. Appliance & Equipment Rebates
Save more by upgrading everyday appliances.
Appliance | Rebate Amount | Notes |
Heat Pump Dryer | $200 | ENERGY STAR® model |
Clothes Washer | $150 | ENERGY STAR® model |
Clothes Dryer | $50 | ENERGY STAR® model |
Induction Stove | Up to $500 | Energy-efficient cooking |
Battery-Powered Lawn Equipment | Up to $75 | Save on quiet, efficient models |
Financing Options — The Mass Save HEAT Loan
Mass Save offers the HEAT Loan, which provides 0% interest financing up to $25,000 for eligible energy efficiency upgrades.
What Can Be Financed:
- Heating & cooling systems (including heat pumps)
- Water heaters
- Insulation and air sealing
- Windows, thermostats, and more
Colt Home Services helps you determine eligibility and handle the HEAT Loan application process from start to finish.
Why Choose Colt for HEAT Loan Assistance:
- Local Boston-based support team
- Streamlined application help
- Coordination with approved lenders
- Expert rebate and financing guidance
Learn About 0% HEAT Loans
Why Choose Colt Home Services
Colt Home Services is proud to be an employee-owned, Massachusetts-based Mass Save contractor. Our mission is simple — to help homeowners save energy, increase comfort, and lower utility costs through the Mass Save program.
Why Homeowners Choose Colt:
- Employee-owned and locally operated
- Certified Mass Save Partner
- Trusted by Boston homeowners
- Full-service energy efficiency upgrades
- Friendly, transparent service — no investor-backed upselling
We’re committed to providing the quality and care your family deserves — from your first call to final installation.
Service Areas:
Boston • Newton • Needham • Wellesley • Natick • Weston • Wayland • Dover
Book Your Assessment with Colt Home Services
Get Started — Schedule Your No-Cost Home Energy Assessment
The first step to savings starts here.
Schedule your Mass Save home energy assessment in Boston with Colt Home Services and start taking advantage of all available rebates, incentives, and financing opportunities.
You’ll Receive:
- A professional in-home energy evaluation
- A customized list of upgrades
- A summary of rebates and 0% financing options
- Access to professional installation services
Click to call now at (617) 446-3690 or click to Schedule My Free Assessment.
Read Our Reviews from Google
Colt Home Services
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I never write reviews, ever. I had to write this one because I was honestly blown away by this company.
It started with Sean coming over for what I assumed was … Read More just a standard quick inspection. He didn't just look around, he actually installed 6 new thermostats in my house right then and there, completely for free (to me). That set the tone for the whole experience, and the crew that came later really amazed me also.
Jack and Jacob contacted me when they were on the way, showed up exactly on time, and worked harder than I expected was possible. They had to fully insulate the house (attic, 2nd floor, 1st floor, basement, and an outside crawl space). The weather was miserable. It was absolutely freezing outside, and then it started pouring rain. Jack and Jacob were up on ladders, freezing and soaking wet, and they just kept working without a single complaint. They honestly could have taken the easy route and drilled through my inner walls to get the job done fast. Instead, they chose to do it the hard way to make sure they didn't destroy the inside of my house. They took the time to remove the vinyl siding, drill from the outside in, and then put the siding back on perfectly. You just do not find people who care that much about your home anymore.
Jack was incredible at keeping me fully updated through the entire process so I never had to guess what was going on. It turned into a massive project. What was supposed to be a 2-day job turned into 4 days of them working morning till night. They stayed until it was done right, they were extremely polite and knowledgeable the whole time, and there was zero upcharge for the extra days of labor.
Jack, Jacob, and Sean are the absolute stars of the show here. These guys are who you want to work on your home, period. -
Joe Frasso did a very good job with analyzing my home and assessing the needs to make iy more efficient. He was very pleasant, informative, and helpful with talking … Read More about the needs and options. -
I had a wonderful experience. Joe was a pleasure to deal with. He was extremely thorough in his assessment and communicated everything to me on how to make our home … Read More more efficient and carbon neutral, we are going to move forward with insulation and are very intrigued in moving off of oil now that he explained to us the turn key program! Highly recommend colt home services!
