| High-Efficiency Central AC (SEER2 16+) | SEER2 16 or higher | $500.0 | 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. |
| High-Efficiency Heat Pump | SEER2 16+ | $500.0 | Qualifying high-efficiency heat pump systems. Must meet minimum SEER2 16 rating. |
| Smart Thermostat | ENERGY STAR certified, Wi-Fi enabled | $50.0 | One rebate per APS residential account. Must have scheduling and remote control capabilities. |
| Water Heater Timer | N/A | not published | Timer controls for electric water heaters to reduce peak demand usage. |
| Variable-Speed Pool Pump | ENERGY STAR certified | $200.0 | 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. |
| Shade Screens (Solar Screens) | Shading coefficient ≤ 0.30 | $200.0 | Installation of exterior solar shade screens on west-facing and south-facing windows. Significantly reduces solar heat gain. |
| Duct Sealing and Repair | Professional testing required | $200.0 | 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. |
| Home Energy Audit | — | $99.0 | Comprehensive energy audit including blower door test, duct leakage testing, and thermal imaging. Full cost is subsidized by APS — customer pays only $99. |
| Whole-House Improvement Bonus | — | $500.0 | 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. |