Rebates, explained
"Rebate" is one word for several very different things. Knowing who is offering it tells you most of what you need to know about how it works.
Who runs them
| Type | Run by | Typical shape | Watch for |
|---|---|---|---|
| Utility rebates | Your electric or gas utility | A fixed amount or a share of cost for listed equipment or work, sometimes paid to the contractor | Approved-contractor lists, pre-approval, model-number lists |
| State and local programs | A state energy office, housing agency or city | Funded rounds that open and close; some tied to income; some bundled with an assessment | Budgets run out; income documents; timing |
| Manufacturer and retailer offers | The brand or the store | Seasonal discounts and mail-in offers on specific models | Deadlines and proof-of-purchase rules |
| Federal tax credits (25C, 25D) | Claimed on a tax return | Ended for work placed in service after December 31, 2025 | Do not plan new projects around them |
Five rules that apply almost everywhere
- Apply in the right order. Many programs require an application, an assessment or a pre-approval before the work. Starting early is the most common way people lose a rebate.
- The equipment must match the list. Programs name efficiency ratings or specific models. Ask the contractor to confirm the model qualifies in writing.
- Keep every document. Itemised invoices, model and serial numbers, proof of payment, before-and-after assessment reports.
- Budgets are finite. A program that was open last month may be paused this month. Check current terms on the day you decide.
- Stacking is sometimes allowed, sometimes not. Some utility and state programs can be combined; others exclude each other. Ask both.
What is usually supported
The measures that appear most often across programs are home energy assessments, air sealing and insulation, heat pumps and heat-pump water heaters, high-efficiency heating and cooling equipment, smart thermostats, and, in some areas, windows and doors, electrical panel work and rooftop solar or batteries. Which of these your utility or state supports, and on what terms, changes by location and over time.
Owners and renters
Most equipment and envelope programs are for homeowners, because the work changes the building. Renters often have options for assessments, thermostats, lighting and appliances, and some programs work with landlords. If you rent, the conversation usually starts with the owner.