Energy Efficiency Loans

HES Residential Energy Efficiency Financing Program

Save Energy and Money by Improving Your Home's Energy Efficiency - Financing from 0% - 6.99%

Effective June 12, 2015 for United Illuminating customers only:
 United Illuminating will be limiting loans to the 0% "Energy Efficiency Payment Plan" (up to $3,000)

Making your home more weather tight with improved insulation, windows, upgrading to ENERGY STAR®  heating and cooling systems, improving the efficiency of your hot water equipment - all of these improvements and more will assist you to reduce your energy consumption and can lower your utility bills.

CHIF can help you finance these improvements with low interest loans made possible through sponsorship by the Connecticut Energy Efficiency Fund in partnership with Eversource, the United Illuminating Company (UI), Southern Connecticut Gas Corporation, and Connecticut Natural Gas Company.

Loans may be for $1,000 to $25,000 and funding will be used for conducting qualified improvements/equipment replacements. Non-listed work directly related and necesary to the installation of the listed qualifying measures may be financed along with the qualifying measure at the applicable interest rate - (capped at 20% of the total loan amount).

0%  Energy Efficiency Payment Plan for any "Type 1" qualified improvement.  Loans of $1,000 to $3,000 with a maximum loan term of 36 months are available to install any "Type 1" measure.  Rebates may also be available.   Click here to apply online.


2.99%  Energy Efficiency Bundle Loan for a combination of at least two measures. At least one financed measure must be a "Type 1" qualified improvement.  Loans of $3,000 to $25,000 with a maximum loan term of 120 months are available. Rebates may also be available.   Click here to apply online. 

Who is Eligible?

  • Eversource and UI Customers
  • Applicants must own a single or 2-4 family home (includes condos, mobile homes, and vacation homes) in the State of Connecticut
  • Applicants must participate in the Home Energy Solutions ℠ Program   (or call 877-WISE-USE (877-947-3873) to arrange a HES assessment for your home) or participate in the Home Performance with Energy Star® (HPwES) program.(NOTE: This is NOT required for loans financed with rates between 4.49% -6.99%)
  • Projects that are underway or completed will not qualify for financing. Please do not schedule your project until after you have received your loan documents from CHIF

Participating Contractors

How to Apply

Type 1 Improvements

The 0% loan is limited to the measures listed below. The 2.99% loan must include at least one of these measures, and at least two total eligible measures from the Type1/Type 2 lists. 

High Efficiency Insulation - Must conform to current Home Energy Solutions rebate requirements. 

ENERGY STAR® Ductless Heat Pumps - Must meet the EnergizeCT Ductless Heat Pump rebate criteria.

ENERGY STAR® Electric Heat Pump Water Heaters - Energy Factor (EF) 2.0 or greater

ENERGY STAR® Tankless Natural Gas Hot Water Heaters - 0.94 Energy Factor (EF) or greater.

Indirect/Combination Water Heaters attached to a natural gas ENERGY STAR® boiler - 90% (AFUE) or greater.

ENERGY STAR® Natural Gas Condensing Storage Tank - 95% Thermal Efficiency or greater.

Type 2 Improvements

These measures may be bundled with at least one Type 1 measure for the 2.99% loan, or may be financed with one of the following options: 4.49% for 5 years; 4.99% for 7 years; 5.99% for 10 years; or 6.99% for 12 years. 

ENERGY STAR® Central Air Systems - New or replacement Central A/C. Must utilize Heating and Cooling System Rebates. Contractor must complete HVAC pre-qualification checklist. Minimum rating of 16 SEER, 13 EER for split systems; 16 SEER, 12 EER for single systems.

ENERGY STAR® Air to Air Heat Pump - New or replacement system - Minimum rating of 18 SEER, 13 EER, 10 HSPF for split systems; 16 SEER, 12 EER for single systems. Must complete HVAC pre-qualification checklist.

ENERGY STAR® Natural Gas Furnaces and Boilers:

  • Furnaces (CEE TierII): 95% AFUE with air handler performance level of 2% or lower; replacement of operating system. Must complete HVAC pre-qualification checklist.
  • Boilers: 90% AFUE with temperature reset or purge control.

ENERGY STAR® replacement windows - must meet HES program eligibility and replacement criteria and is available only for the replacement of single pane windows with no storms.

ENERGY STAR® Natural Gas Hot Water Heater: Natural Gas Storage Tank with a .67 Energy Factor or greater.

Geothermal Systems (must meet ENERGY STAR® criteria) - Home must meet current HES program guidelines.

Oil/Propane Heating Equipment: 

  • Propane furnaces: 95% AFUE with air handler performance level EAE of 2% or lower
  • Propane boilers: 90% AFUE with temperature reset or purge control
  • Oil furnaces: 85% AFUE) with air handling performance level EAE of 2% or lower
  • Oil boilers: 86% AFUE with temperature reset or purge control.

Detailed listing of Eligible Improvement Measures

Apply online for a Home Energy loan

List of Participating Contractors

Improvements that have unproven savings (including fuel oil catalyst products, radiant barriers, and power correction devices) will not be financed.

*  For more information on ENERGY STAR® please go to HES and Residential Financing are low-cost initiatives supported by the Connecticut Energy Efficiency Fund.