If you’re considering a heat pump installation in Massachusetts, you may qualify for Mass Save heat pump rebates worth up to $10,000. However, the rebate amount depends on whether you install a whole-home heat pump system or a partial-home heat pump system.
Choosing the right option can maximize your savings and ensure you meet rebate requirements. In this guide, we’ll break down the differences between whole-home and partial-home heat pumps, who qualifies for each rebate, and which option is best for your home.
Related: Learn how to qualify for Mass Save rebates.
What Are Whole-Home and Partial-Home Heat Pump Rebates?
The Mass Save program offers two types of heat pump rebates based on how the system integrates into your home:
Whole-Home Heat Pump Rebate
- Replaces your entire heating system with a heat pump.
- Becomes your primary heating and cooling source.
- Higher rebate amount: $3,000 per ton, up to $10,000.
Partial-Home Heat Pump Rebate
- Supplements an existing heating system.
- Requires integrated controls to manage transitions.
- Lower rebate amount: $1,250 per ton, up to $10,000.
Need help deciding? Book a Mass Save Home Energy Assessment to determine which rebate fits your home.
Who Qualifies for a Whole-Home Heat Pump Rebate?
The whole-home rebate is ideal if you want to completely replace your existing heating system with a high-efficiency heat pump.
Eligibility Requirements
- Must remove or disconnect your old heating system (oil, gas, propane, or electric resistance).
- The heat pump must be your primary heating source for at least one year.
- You must install an ENERGY STAR® Cold Climate Heat Pump approved by Mass Save.
- Installation must be completed by a Mass Save HPIN-certified contractor.
Best for Homeowners Who:
- Want to eliminate oil or propane heating costs.
- Need a cost-effective way to heat and cool their entire home.
- Are ready to switch to an all-electric system for long-term energy savings.
Looking for 0% financing? Check out the Mass Save HEAT Loan for interest-free financing up to $25,000.
Who Qualifies for a Partial-Home Heat Pump Rebate?
The partial-home rebate is designed for homeowners who want to add a heat pump to certain areas of their home while keeping their existing heating system in place.
Eligibility Requirements
- The heat pump must supplement your current heating system.
- Integrated controls must be installed to manage switching between the heat pump and fossil fuel heating.
- The existing heating system cannot be electric resistance (e.g., electric baseboard heat).
- Must use an ENERGY STAR® Cold Climate Heat Pump from the Mass Save approved list.
- Installation must be completed by an HPIN-certified contractor.
Best for Homeowners Who:
- Want to heat and cool select areas, such as additions or upper floors.
- Prefer to gradually transition from oil or propane to a heat pump system.
- Need a backup heating system in case of extreme cold.
Not sure if a partial-home system is right for you? Schedule a Mass Save Home Energy Assessment for expert guidance.
Whole-Home vs. Partial-Home Heat Pumps: Key Differences
| Feature | Whole-Home Heat Pump | Partial-Home Heat Pump |
| Replaces existing system? | Yes | No |
| Becomes primary heating? | Yes | No |
| Eligible for Mass Save rebates? | Yes | Yes |
| Requires integrated controls? | No | Yes |
| Rebate amount per ton | $3,000 per ton | $1,250 per ton |
| Max rebate available | Up to $10,000 | Up to $10,000 |
| Ideal for homeowners who | Want to replace fossil fuel heating completely | Want to supplement an existing system |
Need help comparing options? Contact us for a free consultation and expert recommendations.
How to Apply for Mass Save Rebates
Steps to Qualify for Whole-Home or Partial-Home Rebates:
- Schedule a Home Energy Assessment – Required for all Mass Save rebates.
- Complete Weatherization Upgrades – Insulation may be required before installation.
- Work with an HPIN-Certified Contractor – Lund Plumbing & Heating is fully certified.
- Select an Approved Heat Pump System – Must be ENERGY STAR® Cold Climate certified.
- Install the System & Submit Your Rebate Application – Rebates must be submitted by February 28, 2026 for 2025 installations.
Related: Learn how to qualify for Mass Save rebates.
Final Thoughts: Which Rebate Is Right for You?
Both whole-home and partial-home heat pump rebates offer major energy savings and substantial rebates. Choosing the right option depends on your home, budget, and heating goals.
Lund Plumbing & Heating can help you decide. As a Mass Save HPIN-certified contractor, we ensure:
- Expert installation for maximum rebates.
- Guidance on whole-home vs. partial-home rebates.
- All paperwork & rebate submissions handled for you.
Call us today at (781) 944-2222 or schedule a consultation to determine the best rebate option for your home.
