Fund Your Upgrade
Use special "green loan" or sustainable home loan options to fund your ducted heat pump installation.
Low-interest or interest-free home loan top-ups are available from major NZ banks.
Why choose a green loan?
- Lower upfront costs
- Reduced energy bills
- Improved home comfort
- Environmentally friendly
- Future-proof investment
How the Green Loan Process Works
Getting started with a green loan is usually straightforward. While each bank has its own criteria, the process typically follows these steps:
Contact Simply Heat
Get in touch with our team to discuss your home and what you’re looking to achieve — whether that’s a ducted heat pump, ventilation, or another energy-efficient heating solution. We’ll help you understand the best options for your space and budget.
We Provide a Detailed Quote
We’ll carry out a site visit (if required) and provide a formal, itemised quote for your heating system. This quote is what most banks require to approve a green loan or low-interest home loan top-up.
Apply for a Green Loan with Your Bank
Take the Simply Heat quote to your bank and apply for their green loan or sustainable home loan top-up. Your bank will confirm:
- Loan amount and interest rate
- Eligibility and conditions
- Approval timeframe
Many banks offer low-interest or interest-free periods specifically for energy-efficient upgrades.
Confirm & Install
Once your loan is approved, let us know and we’ll schedule your installation at a time that suits you.
Our experienced installers will complete the work, and you can st
Confirm & Proceed
Once your loan is approved, let us know and we’ll schedule your installation at a time that suits you.
ASB Better Homes Top-Up
- Existing ASB home loan customer.
- Minimum 20% equity (owner-occupied).
- Up to $80,000 for energy-efficient upgrades.
- Quote from a qualified installer required.
- Loan approved before installation.
BNZ – Better Future Home Loan Top-Ups
- Borrow up to approximately $80,000 for eligible energy-efficient upgrades
- Interest rate around 1% p.a. fixed for 3 years on the top-up portion
- Available to existing BNZ home loan customers or those switching to BNZ
- After the fixed period, the rate reverts to BNZ’s standard home loan rates
Best for: Customers wanting a low-interest mortgage top-up for a ducted heat pump install
Westpac – Greater Choices Home Loan
- Borrow up to $50,000 interest-free for up to 5 years
- Must hold or take out a Westpac Choices Home Loan
- Requires a quote from a qualified installer
Best for: Customers who want zero interest and can repay within five years
Kiwibank – Sustainable Energy Loan
- Top up an existing Kiwibank home loan for energy-efficient upgrades
- Loan is charged at Kiwibank’s standard variable mortgage rate
- Cash contribution of up to $2,000 paid over four years (for loans over $5,000)
- Installer may need to be part of a recognised sustainable energy programme
Best for: Customers who already bank with Kiwibank and want cashback support
ANZ – Good Energy Home Loan
- Borrow between $3,000 and $80,000 for eligible upgrades including heat pumps
- Interest rate around 1% p.a. fixed for 3 years
- Available as a top-up to an ANZ home loan
- After the fixed period, the loan can be re-fixed or move to standard rates
Best for: ANZ customers wanting a low fixed-rate option for energy upgrades
IMPORTANT NOTES
Interest-free or low-rate offers usually apply for a limited fixed period
After the fixed term, standard mortgage rates typically apply
Loan criteria and rates may change at any time
Always confirm details directly with your bank or mortgage adviser
Westpac Warm Up Loan
With a Westpac Warm Up loan, existing or new home loan customers can borrow up to $50,000 interest-free for 5 years to help to buy Solar Power Systems and Batteries for storing power from Solar.