To participate in a Power Hours program, you must be a PSO residential customer with an AMI meter. Savings vary by customer and program. Only the Honeywell thermostat models RCHT8610WF and TH6220WF2006/U are free after instant rebate. Limit 2 rebates per household. Not all models are available at the PSO Online Store by EFI or at all retailers. Thermostat rebate valid only on thermostat installations completed after 1/1/2019 as verified by thermostat manufacturer. Offer valid for a limited time while funding lasts.