CT Green Bank · Smart-E Loan
Connecticut's low-rate loan for energy upgrades.
For owner-occupied Connecticut homes with 1 to 4 units. It covers heat pumps, mini-splits, high-efficiency boilers and furnaces, central AC, water heaters and insulation. You apply with a participating local lender, and the lender makes the credit decision.
- We write up your estimate.
- You apply with a Smart-E lender for pre-approval.
- We send the project to the Green Bank and do the install.
- You sign off when the job is done.
- Covers up to $25,000 of heat pump work per household
- For Eversource or Avangrid (UI) electric customers
- You must be approved for an Energize CT heat pump rebate
- Installed by an approved Smart-E contractor in Energize CT's Heat Pump Installer Network
- Bigger projects, or ones with other work, get a blended rate
Terms from CT Green Bank, checked November 2, 2026; they can change. Read the 2026 heat pump offer. Standard Smart-E rates start at 6.99% APR.
Demo note: on a real shop's site, this section only appears if the shop is an approved Smart-E contractor.