Your perfect green loan match
We help you find the best green loan on the market. Quick and personalised. Rates from 2.79%.
5 star rating
5 star ratingQuick and personalised
Green loans from 2.79%
No impact on your credit score
The hidden cost of interest-free
'Interest-free' finance may sound like a great deal, but there's hidden costs that'll hurt your hip pocket. It costs installers a lot to offer these interest free products, and those costs often find their way back to you.
Financing your home energy upgrade with 28Watt means you can ask your installer for their best cash price and avoid hidden upfront costs. Access ultra-low rates from 2.79% by uploading your quote today.
How it works
At 28Watt, we'll guide you through the process of accessing the lowest rate green loans in market. With rates starting from 2.79%, it's never been cheaper to finance your home energy upgrades like solar, batteries, and heat pump hot water systems.
1. Upload a quote
Upload a quote above to get started. Don't have a quote yet? Send us an email at hello@28watt.com.au.
2. Find a match
We quickly scan all green loans lenders to pinpoint the options you’re eligible for.
3. Choose your loan
Compare personalised offers side-by-side and select the rate and features that fit best.
4. Application
We’ll send you to the lender to complete your application.
5. Approval
Receive fast conditional approval so your upgrade can kick off without delay.
A lender for every green purchase
Planning to install solar panels, a home battery, an EV charger or a heat pump hot water system? 28Watt's free service unlocks special low rate green personalloans - the most cost effective way to fund your home energy upgrades.
We draw on a panel of 60+ lenders, from climate focused specialists to the big four, ensuring you never pay more than necessary for making sustainable improvements to your home - no paperwork headache, no sales pressure. Ready to power up your home for less? Compare lenders now.
Why choose 28Watt
We are not your average broker. Our qualified brokers are also home energy efficiency experts. We understand exactly how to qualify your home to get the best rates in market and eliminate your energy bill.
-
Lowest rates
Access the lowest mortgage rates with green home loans -
Expert support
We support you with green finance and your home energy upgrades. -
Teamwork
We work with your installer to make sure your green loan ticks all boxes
The standout green loans
CBA Green Loan
Interest rate: 3.99%, Comparison rate: 3.99%, Max amount: $30k, Max term: 10 years, no fees, mortgage required. For solar, batteries, hot water heat pumps, EV chargers, gas to electric cooking and more.
Westpac Sustainable Upgrades Loan
Interest rate: 4.24%, Comparison rate: 4.62%, Max amount: $50k, Max term: 10 years, mortgage required. For solar, batteries, hot water heat pumps, air-con, insulation, EV chargers, induction cooking and more.
ING Green Upgrade Loan
Fixed interest rate: 3.74%, Comparison rate: 5.12%. Max amount: $50k. For solar, batteries, hot water heat pumps, induction cooktops, and split system air-con (non-ducted). Includes removal of gas connections and appliances.
Latest Articles
Latest information and advice to help you transition to a sustainable home.
Green loans
How Green Loans Can Finance Your Home Battery System: Complete 2025 Guide
Discover how green loans and the new federal battery rebate can make home battery systems affordable. Complete guide to battery financing, rebates, and payback calculations for Australian homeowners.
Read more
Green loans
CommBank Makes Green Loans Faster And Easier
CommBank simplifies its 3.99% Green Loan process, enabling fast application completion in under five minutes with pre-filled forms for existing customers.
Read more