Requirements
1. You must be an active Cowlitz PUD customer served by a residential rate. To be eligible for a rebate, your account must be in good standing. Cowlitz PUD reserves the right to withhold rebate funds and apply to past-due account balance.2. New and existing single-family homes, manufactured homes, and multifamily homes are eligible. In existing homes, the new HPWH must replace an existing electric-resistance storage water heater.
3. The installed HPWH must be listed on Bonneville Power Administration’s (BPA) Qualified Products List.
4. HPWH must be a split type system with the outdoor unit installed outside the house.
5. HPWH must be installed according to manufacturer’s specifications and BPA requirements, including but not limited to:
• All water or refrigerant lines connecting the tank and outdoor units must be insulated with minimum R-4;
• If domestic hot water pipes outdoors are freeze-protected with heat cable, the cable must be installed per manufacturer’s instructions, underneath the insulation, and be thermostatically controlled to prevent the tape from operating above 38 degrees Fahrenheit;
• No resistance heating is allowed (except heat tape for freeze protection); and
• The system must be plumbed with a thermal mixing valve which is equipped with internal check valves on the hot and cold water lines connecting to it.
6. Limit of one split-system heat pump water heater rebate, per residence, every 15 years.
7. Rebate cannot exceed the total cost of purchase and installation of the HPWH.
8. Program requirements and available rebates are subject to change without prior notice.