A contractor quotes $25,000 and says a rebate will cover $20,000 of it. That math should make you pause — real rebate program caps are almost never that high. Here's how to check before you sign.
This is one of the most common ways homeowners end up overpaying for a heat pump, solar system, or insulation job. It works like this: a contractor quotes a price well above what the job should cost, then justifies it by claiming a rebate will cover most of the difference. The final "net" number sounds reasonable, so homeowners sign. Later, the rebate that actually comes through is a fraction of what was promised — because the program's real cap was never anywhere near that high.
A commonly cited example: a contractor quotes $25,000 for a job, tells the homeowner $20,000 of that comes back through rebates, and presents the "real" cost as $5,000. In reality, most heat pump, solar, and insulation rebate programs cap out well below $20,000 per project — often in the low thousands, occasionally reaching into five figures only for the largest income-qualified programs. If a contractor's promised rebate is close to matching the whole job cost, that's the number to check before anything else.
The tell: A quote that only "works" because of a huge promised rebate is a quote built backward from a number the contractor wants you to pay, not from the real cost of the job.
Rebate programs are genuinely confusing. Amounts vary by utility, by income, by upgrade type, and they change throughout the year as funding cycles open and close. Most homeowners have no easy way to verify a number a contractor states verbally, so they trust the person standing in their kitchen. A dishonest or simply careless contractor can quote almost any rebate figure and the homeowner has no quick way to check it — until the real rebate comes back much lower than promised, months after the contract is signed.
Real rebate caps vary a lot by program and region — always verify your specific number — but this gives a general sense of scale to sanity-check a quote against:
| Upgrade | Typical published rebate range |
|---|---|
| Heat pump (standard utility rebate) | Roughly $500 – $9,000, depending on system size and utility |
| Heat pump (income-qualified, largest programs) | Up to around $8,000 – $10,000 in the most generous programs |
| Solar PV | Mostly a tax credit or per-kWh incentive, not a flat cash rebate, in most regions today |
| Insulation / air sealing | Roughly $200 – $2,000 depending on scope and utility |
| Battery storage | Varies widely; some regions offer per-kWh incentives worth several thousand dollars |
These are general ranges to sanity-check a quote against, not a substitute for looking up your exact program. Always confirm the real number for your city, utility, and income tier on the program's official page — see your region's rebate guide for current, sourced figures.
If a promised rebate is close to matching the total job cost, verify it before you sign — not after. Once the contract is signed at the inflated price, you're the one holding the risk if the real rebate comes back lower.
Yes. Many legitimate point-of-sale rebates are designed so the contractor applies the discount at checkout and handles the paperwork for you — that's a real convenience, not a scam by itself. The difference is transparency: a legitimate contractor will name the exact program and put the rebate amount in writing before you sign. A contractor who won't name the program, or who gives you a verbal number that conveniently makes an inflated price look affordable, is the one worth being cautious about.
See verified, sourced rebate amounts for your city and utility before you sign a contractor's quote.
Find your region's real rebates →Real cases of scammers posing as utility or program reps.
Find a Vetted InstallerBrowse installers by region instead of relying on a cold quote.
Run Your Free Rebate AssessmentGet a real, sourced estimate before you talk to a contractor.
More Rebate Questions AnsweredStraight answers to the questions homeowners actually ask.