Affordable green energy solutions for your home.

Find the green energy upgrade that’s right for homeowners like you. It’s a great way to save you money, make your home more comfortable, and boost your home’s value. Whether it’s a loan that supports a wide range of energy improvements, a solar lease specifically tailored for low-to-moderate income homeowners, or educational resources and incentives for going solar, the Connecticut Green Bank is here to help.

For more information on how you can make and finance green energy upgrades to your home, see below.



Smart-E Loans offer no money down, low-interest financing with flexible terms to help you upgrade your home’s energy performance. Almost any home improvement project that reduces energy use and lowers costs may qualify. And applying through a local lender is as easy as child’s play.

You can finance almost any energy improvement that cuts your home’s energy costs or produces clean energy on your property – below are just a few examples.

Home Performance/ Efficiency

Attic, wall or floor insulation

Duct sealing

Air sealing

Window replacement

Heating and Cooling

Air source / ground source heat pump

Central air conditioning

Ductless mini split heat pump

High efficiency furnace / boiler

Natural gas fuel conversion

Water Heating

Heat pump water heater

Indirect water heater-natural gas

On-demand tankless water heater – natural gas/Propane


Solar PV system

Solar hot water system

Electric vehicle recharging station

Natural gas vehicle refueling station

Other (Cannot exceed 25% of the total loan amount)

ENERGY STAR appliances

Asbestos/Mold remediation

Roof repair

Tree removal for solar

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Smart-E Bundle

Want to make your home more comfortable this season? Wrap up savings with a Smart-E Bundle. Combine two or more qualifying measures to take advantage of rates as low as 0.99%!

With a Smart-E Bundle, the more you do – the more you save! Home energy improvements are as easy as child’s play.

Click here to learn more about Smart-E loans for other projects – over 40 energy improvements are eligible.

High efficiency HVAC Bundles

Pair a high efficiency boiler or furnace with any of the following:

Attic, wall or floor insulation
Heat Pump*
Solar PV
Home Energy Solutions (HES) Core Services Bundle

Participate in HES and install any of the following:

Attic, wall or floor insulation
Heat Pump*
High efficiency boiler or furnace
Solar PV Bundles

Go solar and add any of the following:

Attic, wall or floor insulation
Heat Pump*
High efficiency boiler or furnace
Tankless or indirect water heater
Electric Vehicle Charging Station
Central Air Conditioning
Energy efficient windows
Insulation Bundles

Install attic, floor, or wall insulation and add any of the following:

Energy efficient windows
Heat Pump*
High efficiency boiler or furnace
Attic, wall, or floor insulation
Solar PV
Tankless or indirect water heater

* Heat pumps include air source hot water heater, ductless mini splits, and geothermal.

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Residential Solar Incentive Program (RSIP)

It’s surprisingly easy for homeowners like you to generate clean, renewable energy from the sun–and the RSIP makes it much more affordable. The Residential Solar Investment Program provides rebates that lower the initial out-of-pocket costs to homeowners who wish to install a solar photovoltaic (PV) system.

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PosiGen Solar + Efficiency for Low-to-Moderate Income Homeowners

In partnership with the Connecticut Green Bank, PosiGen offers low-to-moderate income homeowners a solar lease that also combines money-saving energy efficiency measures. This innovative approach takes away the concern of being turned down based on your credit profile, making solar affordable for all.

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Educational Resources for Going Solar

GoSolarCT is an initiative of the Connecticut Green Bank dedicated to providing Connecticut residents with the information they need to make informed decisions about solar energy for their home. This website is intended to offer consumers educational content and resources they can use to become savvy solar shoppers.

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