As energy costs rise and sustainability targets tighten, more New Zealand businesses are looking to reduce their emissions and operating costs. One of the most smartest ways to do this is by upgrading essential systems – such as hot water and central heating – to modern, energy-efficient alternatives.
The good news? Many New Zealand banks now offer sustainable business loans to help finance energy-efficient upgrades, making it easier than ever for businesses to replace fossil fuel systems such as gas or coal boilers with renewable alternatives — including hot water heat pumps, solar hot water, biomass boilers.
What Are Sustainable Business Loans?
Sustainable business loans are lending options designed to support upgrades that improve environmental performance. These loans often feature:
- Discounted interest rates
- Flexible repayment terms
- Low or no fees, depending on the bank
They’re commonly used to fund:
- Heat pump systems for hot water or space heating
- Solar hot water systems
- High-efficiency electric central heating
- Biomass or Pellet Boilers
Why Upgrade Your Hot Water or Central Heating System?
Heating and hot water can make up a large share of business energy use, especially in hospitality, accommodation, offices, and light industry. By switching to renewable, high-efficiency systems, your business can:
- Reduces long-term energy costs
- Lowers carbon emissions and meet sustainability goals
- Adds value to property or business assets
- Future proof operations against rising energy prices and stricter regulations.
Which NZ Banks Offer Green Business Loans?
Here are a snapshot of current sustainable finance options from leading New Zealand banks:

ANZ
Business Green Loan
Up to $3M, discounted interest rates, must show reduced energy use/emissions.
Includes: Heat pumps, solar hot water, efficient central heating
Good Energy Agri Loan
For farmhouses, energy-efficient upgrades.
Includes: Heat pump and solar hot water systems.

ASB
Business Sustainability Loan
Special variable interest rate, must reduce emissions/energy use by 30%+.
Includes: Renewable heating/cooling, efficient boilers.

BNZ
Green Business Loan
Supports renewable energy, low-emission transport, agribusiness projects.
Includes: Solar, biomass boilers, heat pumps, electric boilers.

KiwiBank
Sustainable Business Loan
Preferential rates for approved sustainability projects.
Includes: Hot water heat pumps, biomass boilers.

Westpac
Sustainable Business Loan
Finance for renewable energy and energy efficiency projects.
Includes: Hot water heat pumps, pellet boilers.
What You’ll Need to Apply
Most banks will ask for:
- A project proposal or supplier quote
- Evidence the upgrade delivers genuine energy savings
- Business financials and (if available) environmental goals
Some banks may also request:
- An energy assessment report
- Certification from suppliers / installers
- Forecasts of ROI or carbon reduction
How Apricus Eco Can Help
At Apricus Eco, we renewable hot water and central heating systems for commercial and industrial businesses.
We provide:
- Expert system design and advice
- Supply of high-performance, sustainable technologies
- Coordination of professional installation
- Assistance in preparing the necessary documentation to help you secure sustainable business loan funding
Sustainable business finance makes it easier than ever to cut costs, reduce emissions, and future proof your organisation. Whether you’re in hospitality, retail, education or light commercial industry, we’ll help you choose the right system to secure the funding to make it happen.
For a free consultation and system proposal.