Rebate Stacking Calculator · Massachusetts

How Much Can You Stack in Cambridge? Heat Pump + Solar + Insulation Rebates

Cambridge homeowners can combine multiple rebate programs on the same project. Here's what actually stacks, with real dollar figures from our Cambridge rebate guide — nothing estimated.

$10,775
Max combined stack
6/8
Open categories
67
PowerScore

Worked stacking examples for Cambridge

These use the exact dollar figures published on the Cambridge rebate guide. If a category isn't listed, it's because Cambridge doesn't currently have an open program with a published amount — we don't fill that in with a guess.

Heat pump + solar + insulation

Heat Pump$9,500
Combined total$9,500

Cambridge does not currently have an open, quantified rebate for solar, insulation in our data, so it is left out of this total rather than estimated.

The two biggest Cambridge rebates, stacked

Heat Pump$9,500
Water Heater$750
Combined total$10,250

Every open Cambridge rebate combined

Heat Pump$9,500
Water Heater$750
EV Charger$250
Battery Storage$100
Smart Thermostat$100
Windows & Doors$75
Combined total (6 programs)$10,775

Every category, Cambridge

The full breakdown behind the totals above.

🔥 Heat Pump$9,500   Open
🌡️ Insulation—   Not available
☀️ Solar—   Not available
🔋 Battery Storage$100   Open
💧 Water Heater$750   Open
🌡️ Smart Thermostat$100   Open
🚗 EV Charger$250   Open
🟫 Windows & Doors$75   Open

FAQ for Cambridge homeowners

How much can a Cambridge homeowner get for heat pump + solar together?

Combining heat pump ($9,500) and solar in Cambridge adds up to $9,500 based on the open programs we track, before adding any other category.

What's the maximum rebate stack available in Cambridge?

Adding up every open, quantified rebate category we track for Cambridge comes to $10,775 across 6 of the 8 categories.

Are all these Cambridge rebates available at the same time?

They come from different programs (federal, provincial or state, utility, and municipal), so most homeowners can combine several in the same renovation project. Always confirm current stacking rules with each program before you apply, since eligibility and funding caps can change.

Which rebate categories are NOT currently available in Cambridge?

Based on our data, Cambridge does not currently have an open rebate with a published dollar amount for: Insulation, Solar. This can change as programs launch or funding resets, so we recheck city pages regularly.

How this stack is calculated

Every dollar figure above comes straight from the Cambridge rebate guide's published program amounts — the same numbers used to compute Cambridge's PowerScore of 67/100. We only count a category toward the combined total when it's an open program with a real published dollar value; categories with no open program, or no published amount, are shown as unavailable rather than estimated.

Want your own custom combination? Use the interactive calculator on the hub page to check-box any mix of categories across any city we cover.

See the full Cambridge rebate guide

Every program explained in plain language, income tiers, local context, and a free assessment tool.

Open the Cambridge guide →
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