Upgrade your home.
Downsize your bills.

Lower bills, lower home loan repayments.
Discover what you can save with 28Watt.

5 star rating

I have a quote and need finance

Lowest green loan rates in market

Free and personalised advice

Qualified mortgage broker and energy efficiency expert

Solar panel installation on a residential roof

Not your average broker

The best home loan rates available in market are for energy efficient homes. The problem? Most brokers don't know how to qualify you for them. 28Watt will show you how a home that is cheap to run also qualifies you for the best home loan rates in market.

Free
We'll never charge you for our services
Coordinated
Extra documents required? Leave it with us
Convenient
Less time completing paper forms, more time enjoying your savings

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How we help you save

Home loan savings

Discover what discount you could be eligible for on your home loan rate if you've installed solar or other energy efficient appliances.

Energy bill savings

No matter your budget, explore how even the smallest of home upgrades can make a big impact in lowering your bills.

Quote savings

Have a quote from an installer and want to access their best 'cash' price? We'll show you the cheapest way to finance your upgrades.

How David will save $55,248 in the next 5 years

Living in a detached, four-bedroom home in Newcastle, NSW - with electricity and gas expenses climbing, David saw an opportunity to future-proof his property by embracing home electrification. And that's exactly what he did.

Lowered his energy bills
Reduced his home loan rate by 1.5%
Increased the value of his property

Read the full story

Working with 28Watt felt like having a personal energy coach. Their ROI calculator showed me that a solar and battery system had a payback period of just under six years. Thanks to the new federal battery rebate my out of pocket cost dropped by nearly $3k. Now our quarterly bills are in credit.

Grace Wu

Forest Lake, QLD 4078

I thought upgrading to an induction cooktop and heat pump hot water system would be a headache, but 28Watt mapped out the savings and organised everything in one go. My gas bill has vanished, and the electric bill is half what it was.

Samir Patel

Glenroy, VIC 3046

28Watt’s clear comparison made the decision to add a good quality split system air con an easy one. They showed how the higher efficiency gear would save more over ten years than the cheaper units, so I went premium without any doubts.

Tanya Bishop

Belmont North, NSW 2280

Latest Articles

Latest information and advice to help you transition to a sustainable home.

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Energy efficiency

Upgrade your home.
Downsize your bills.

Not your average broker