| SEER2 16 or higher | — | Must replace existing central AC system with new unit rated SEER2 16 or higher. Higher rebates available for SEER2 18+ units. Installation by licensed HVAC contractor required. |
| SEER2 16+ | — | Qualifying high-efficiency heat pump systems. Must meet minimum SEER2 16 rating. |
| ENERGY STAR certified, Wi-Fi enabled | — | One rebate per APS residential account. Must have scheduling and remote control capabilities. |
| N/A | — | Timer controls for electric water heaters to reduce peak demand usage. |
| ENERGY STAR certified | — | Replacement of single-speed pool pump with ENERGY STAR certified variable-speed or multi-speed pump. Pool pumps are one of the largest non-HVAC electricity consumers in Arizona homes. |
| Shading coefficient ≤ 0.30 | — | Installation of exterior solar shade screens on west-facing and south-facing windows. Significantly reduces solar heat gain. |
| Professional testing required | — | Professional duct testing and sealing to reduce air leakage. In Arizona's extreme heat, leaky ducts in attic spaces can waste enormous amounts of cooled air. Post-repair testing required. |
| None | — | Comprehensive energy audit including blower door test, duct leakage testing, and thermal imaging. Full cost is subsidized by APS — customer pays only $99. |
| None | — | Bonus rebate available when multiple qualifying improvements are completed as part of a whole-house upgrade based on audit recommendations. Must complete at least three qualifying measures. |