Islip homeowners can combine multiple rebate programs on the same project. Here's what actually stacks, with real dollar figures from our Islip rebate guide — nothing estimated.
These use the exact dollar figures published on the Islip rebate guide. If a category isn't listed, it's because Islip doesn't currently have an open program with a published amount — we don't fill that in with a guess.
Islip does not currently have an open, quantified rebate for solar in our data, so it is left out of this total rather than estimated.
The full breakdown behind the totals above.
Combining heat pump ($7,500) and solar in Islip adds up to $7,500 based on the open programs we track, before adding any other category.
Adding up every open, quantified rebate category we track for Islip comes to $17,650 across 7 of the 8 categories.
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.
Based on our data, Islip does not currently have an open rebate with a published dollar amount for: Solar. This can change as programs launch or funding resets, so we recheck city pages regularly.
Every dollar figure above comes straight from the Islip rebate guide's published program amounts — the same numbers used to compute Islip's PowerScore of 74/100. 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.
Every program explained in plain language, income tiers, local context, and a free assessment tool.
Open the Islip guide →Every Friday: what I'm learning about rebates across every province and state we cover, heat pump reality checks, solar economics, and the installers I trust. Real stuff, no marketing.