Smart-E Loans

Smart-E Loans - Upgrade your home’s efficiency & energy performance with a Smart-E Loan with no money down and flexible terms.

Enjoy a whole home of energy efficiency

Now you can enjoy a whole home of energy efficiency. Upgrade your home’s efficiency & energy performance with a Smart-E Loan with no money down and flexible terms. Realize more savings and comfort when bundling multiple home energy improvements. The more you do, the more you save.

CT Green Bank – in partnership with Energize CT and participating local lenders and contractors – offers long-term, low-interest financing to help you upgrade your home’s energy performance with no money down.

  • Unsecured personal loan (no lien is placed on the property)
  • Fixed monthly payments
  • No pre-payment penalty
Loan Terms 5 years 7 years 10 years 12 years
Standard APR* 4.49% 4.99% 5.99% 6.99%

*15 and 20 year terms are available on standard rates. Lender participation varies.

A Smart-E Loan makes it easy to improve the comfort of your home and lower your energy costs!

Here are just a few examples of the many home energy upgrades made possible by Smart-E. Click here for a complete list of eligible improvements and efficiency criteria.


Home Performance/Efficiency

Attic, wall, or floor insulation

Duct sealing

Air sealing

Window replacement

Heating and Cooling

Air source heat pump

Ground source heat pump

Central air conditioning

Ductless mini split heat pump

High efficiency furnace / boiler

Steam boiler

Water Heating

Heat pump water heater

Indirect water heater-natural gas

On-demand tankless water heater


Solar PV system

Solar battery storage

Solar hot water

Electric vehicle recharging station

Health & Safety

Asbestos removal

Mold remediation

Related energy improvements (Cannot exceed 25% of the total loan amount)

ENERGY STAR appliances

Roof repair for solar

Tree removal for solar

Property must be:

  • Located in Connecticut
  • Owner-occupied
  • 1 to 4 unit residential building
  • Condominiums must be individually metered


Borrower Eligibility

Qualification is based on factors including, but not limited to, credit score and debt-to-income ratio (“DTI”). Note: all final underwriting decisions are made by the Smart-E lender.

Option 1: 580+ credit score, 50% DTI – from the following lenders:

Capital for Change
CorePlus Credit Union
Eastern CT Savings Bank
Mutual Security Credit Union
Nutmeg State Financial Credit Union

Option 2: 640+ credit score, 45% DTI – from the following lenders:

Ion Bank
Patriot Bank
Thomaston Saving Bank
Union Savings Bank
  1. Find a Contractor to discuss your energy improvements.
    If your contractor is not on the approved list, they should contact to get started.

    Using multiple contractors?
    Select one to act as your general contractor. They will help facilitate this process for you.

  2. Select your home energy upgrade.
    Your contractor will work with you to be sure the improvements meet our eligibility requirements. Click here for eligible measures list.

  3. Get pre-approved by a participating lender.
    Apply directly with your selected lender before your contractor begins the project.

  4. Project technical review
    Your contractor will submit the project scope of work to the CT Green Bank for confirmation that the equipment meets eligibility requirements.

  5. Close your loan with your lender.
    Your lender will reach out to schedule a loan closing once the project is approved.

  6. Contractor payments
    Contractors are paid by the loan funds, so no out-of-pocket cost is required!

Choose from these local lenders covering all of Connecticut. Click below to learn more about each institution’s service area, rates and special offers. Apply today!


(860) 233-5165
(860) 886-0576
(860) 889-7381

(203) 729-4442

(800) 761-2400

(860) 513-5000

(203) 252-5913

Local: (860) 283-1874
Toll-Free: (855) 344-1874

(203) 830-4200