WISE heat-pump rebates
Rebates for building owners and homebuilders installing efficient heat pumps in participating Oklahoma municipal electricity systems.
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WISE helps building owners and homebuilders install efficient air-source, dual-fuel, mini-split and geothermal heat pumps. This entry covers WISE heat pumps at or below 65,000 Btu/h; commercial units above that capacity are handled through the separate DEEP programme.
Your city or town sets its rebate. OMPA matches municipal funding on a 50/50 basis up to the published schedule limits, so the table is not a guaranteed payment independent of your city's contribution. Payments are for the building owner or builder of a speculative building built for sale.
The standard heat-pump schedule is in US dollars per cooling ton. A cooling ton is 12,000 Btu/h of cooling capacity; OMPA calculates rebates to the nearest hundredth of a ton. The four efficiency tiers are SEER 17 / SEER2 16.20, SEER 18 / SEER2 17.05, SEER 19–20.99 / SEER2 18.10–19.99, and SEER 21 / SEER2 20. At those tiers, residential air-source rates are $175, $200, $275 and $300 per ton; residential dual-fuel and commercial air-source rates are $125, $150, $225 and $250; commercial dual-fuel rates are $75, $100, $175 and $200.
Mini-splits have schedule rates of $150 per ton for residential customers and $100 for commercial customers. For multifamily heat pumps, the first 50 units and remaining units have different rates: residential air-source $150/$100 per ton; residential dual-fuel and commercial air-source $100/$50; commercial dual-fuel $75/$25.
For geothermal units at or below 65,000 Btu/h, the schedule is $800 per cooling ton for electric heat pumps and $250 for dual-fuel or replacement units. An added geothermal unit qualifies for the $800 schedule only with a new or previously drilled well exclusively for that unit; otherwise the replacement rate of $250 applies.
Local limits also apply. Comanche and Duncan pay through electricity-bill credits; Duncan pays up to $350 per ton. Fairview limits support to 5 tons or $2,000 per customer. Geary limits residential rebates to 3 tons and commercial rebates to 5 tons. Laverne lists annual $10,000 limits for residential and commercial rebates. Newkirk's city portion is capped at $2,000 annually. Okeene limits commercial rebates to 50 tons per year. Purcell and Watonga each list an annual total limit of $5,000. These limits apply alongside the programme schedule.
Eligibility
You must be an electricity customer of a participating OMPA city or town in Oklahoma. Check the heat-pump column in the linked city participation sheet: membership in OMPA alone does not qualify your city for this rebate. Your municipal electricity-rate category determines whether you are treated as residential, commercial, industrial or institutional.
- Equipment must be permanently installed as a single-package, split or through-the-wall unit. Standard heat pumps must reach at least SEER 17 or SEER2 16.20, EER 12.0 or EER2 11.49, and HSPF 10 or HSPF2 8.9. Mini-split and multifamily systems require SEER 18 or SEER2 17.05, with the same EER and HSPF minimums. These are the programme's cooling and heating efficiency ratings: have your contractor check the matched indoor/outdoor model combination in the AHRI equipment listing before purchase.
- Geothermal equipment at or below 65,000 Btu/h must reach EER 17.1 or EER2 16.36, measured at the full-load rating in AHRI. A new installation or conversion must have an operating integrated water heater or desuperheater to supply domestic hot water. New geothermal installations need installation-team information, heat-load calculations, loop design, a loop-field site plan and a commissioning/start-up sheet. OMPA also requests contractor accreditation from IGSHPA and the equipment warranty.
- Use a licensed contractor, except for a pre-charged DIY mini-split installed by the homeowner. The installer must obtain required permits or licences. Where the city requires permits and inspections, complete or close them before the equipment post-inspection and supply a copy or photograph of the final inspection tag.
- Air-source and dual-fuel installations at or below 65,000 Btu/h require the contractor agreement once per participating city or town. It requires industry-standard duct installation or modification and equipment sizing based on heat-loss and heat-gain calculations under applicable installation codes. Record the old unit's brand, model and serial number before removal, on the form or in photographs.
- For dual-fuel systems, the outdoor thermostat setting must not exceed 40°F. Above 40°F, the auxiliary heat source may operate only when the indoor thermostat is manually set to emergency heat; these controls must be installed and maintained.
- For equipment with adjustable capacity, the installer must configure capacity using the system design, load calculations and manufacturer guidelines. The application or invoice must document the maximum operational capacity enabled at installation, rather than the model's full possible range.
- OMPA can require an in-home energy audit before installation on a case-by-case basis. Every installation needs a post-inspection by city/town or OMPA staff.
- A location already rebated is ineligible until at least 10 years have passed since its last approved rebate, unless significant building additions justify additional heat pumps. A replacement that increases electricity demand in kilowatts rather than reducing it is ineligible.
How to apply
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- Submit the complete signed claim and required attachments within 90 days of installation. City participation, rebate levels and local limits apply.
Before purchasing or installing equipment, confirm its eligibility with your contractor. Check your city or town's participation and rebate level, and arrange any required pre-installation energy audit.
After installation, complete the required city/town or OMPA equipment inspection. Submit both pages of the signed WISE Heat Pump Rebate Request Form and the required attachments within 90 days of installation. Include the invoice showing the contractor, model number, purchase/installation date and price; the payee name must match its billing section. Attach the AHRI equipment sheet, contractor agreement and applicable permit/inspection or geothermal paperwork. Missing or incomplete information can delay processing or lead to denial.
Return the completed forms and paperwork to your member city/town staff or email them to wise@ompa.com. OMPA may revise the standards and rebate amounts.