DC’s heat pump rebates don’t run on the calendar year. They follow DCSEU’s program year, which starts October 1 and ends September 30. Roomwise DC Mini Splits plans jobs around that cycle, because when you install decides how much time you have to apply.
How the program year works
The DC Sustainable Energy Utility runs its rebates on a year from October 1 to September 30. It publishes a rebate form for each program year, with the amounts and deadlines that apply.
Two dates matter for any install:
- Purchase date. Under the current form, the six-month clock to apply starts here.
- September 30. The program year ends, and applications must be in, and approved, by then.
Whichever comes first is your deadline. For the amounts on the current form, read DCSEU mini split rebates for the new program year.
Timing an install through the year
When you install sets how much room you have before the cutoff. Here’s how the year plays out under the current rules.
| Install falls in | Time to apply | What to keep in mind |
|---|---|---|
| October to March | The full six months | Cold-weather installs work fine; the heat side runs from day one |
| April to May | Six months, ending near September 30 | Done before summer, with time to spare |
| June to July | Two to three months | Paperwork should go in soon after the install |
| August to September | Only weeks | Apply right away; DCSEU must approve by September 30 |
A mini split installed in fall or winter heats from the first day, so there’s no reason to hold off for summer. See do mini splits work in winter for how they handle DC’s cold nights.
The steps before the application
Most of the time between your first call and your rebate goes into steps that come before the install. Planning backward from September 30 means counting them.
- Home visit and written plan. We measure the rooms, check the panel and plan the outdoor spot, then send the written plan with the price.
- The DC permit. Every Roomwise install carries a DOB mechanical permit, which DCSEU requires. In a historic district, review is part of that permit and can add time.
- The install. A single-zone install takes about a day once the permit is in hand.
- The application. The permit, the AHRI certificate and the dated invoice go to DCSEU.
The installation process guide covers each step, and the permit guide explains the review that applies in historic districts.
Instant discount instead of an application
Where your system qualifies, the DCSEU rebate can come off your invoice as an instant discount. That way the paperwork goes in with the job, and you aren’t waiting on a check.
The rebate is still DCSEU’s. Its rules decide whether a system qualifies and at what amount, and DCSEU’s approval is still needed by the program-year deadline.
When the rules change
DCSEU’s form says amounts may change at any time without notice, and every rebate depends on available funds. A new program year can bring a new form, with new amounts or new paperwork.
- Check the current form before you sign a plan, not only at the start of a year.
- Don’t wait to chase a bigger rebate. Amounts can move either way, and waiting costs a season.
- Keep your papers together: the permit, the AHRI certificate, the invoice and, for gas-to-electric, proof the gas heat was capped.
The rebates guide keeps the current amounts and requirements in one place.
Replacing gas heat adds one more step
The larger gas-to-electric amount needs proof the gas heat was capped, by photos or gas bills. That step has to fit inside the same deadline as everything else.
- Plan the switch-over for spring or fall, when you can manage a few days without the old boiler or furnace.
- Photograph the capped line as soon as the work is done, rather than waiting for a bill.
- Leave margin before September 30 if the boiler comes out after the mini splits go in.
Programs on a different schedule
Not every DC program follows the same window. DCSEU’s no-cost electrification program for income-qualified households takes applications on its own terms, through its own assigned installers. If your household may qualify, check with DCSEU before planning a market install.
For what a full job costs before any rebate, see the installation cost guide.