Resources

Free guides and articles to help New Zealand homeowners make smart energy decisions.

Focused reads on specific topics — subsidies, brand comparisons, regional advice, and more.

Green Home Loans NZ 2026: Bank-by-Bank Comparison

All five major NZ banks offer 0–1% green top-ups for heat pumps, solar, insulation and EVs. Compare rates, caps, terms and the catches for each — plus how to stack with Warmer Kiwi Homes.

April 14th, 2026

Multi-Category

Warmer Kiwi Homes 2026: What's Actually Covered Now

The WKH subsidy programme changed in 2026. Here's what's covered, who's eligible, and how to apply through a registered installer.

April 10th, 2026

Heat Pumps

Best Energy Upgrades for a $10K Budget in NZ

Got $10K to spend on your NZ home? Four real scenarios showing exactly where the money goes for maximum warmth, dryness, and savings.

March 30th, 2026

Multi-Category

Hot Water Heat Pump vs Gas Califont: Running Cost Comparison for NZ Homes

Hot water heat pump or gas califont — which costs less to run in NZ? Real running costs, brands, and why the maths have changed.

March 28th, 2026

Hot Water Heat Pumps

Solar Payback Period in NZ: Realistic Numbers for 2026

How long does solar actually take to pay back in New Zealand? Real numbers by region, honest scenarios, and what changes the equation.

March 25th, 2026

Solar

Positive Pressure vs Balanced Ventilation: Which System for Your NZ Home?

Positive pressure or balanced HRV ventilation — which system fixes your damp NZ home? Costs, brands, and honest advice for different home types.

March 23rd, 2026

Ventilation

Underfloor vs Ceiling Insulation: Where to Spend First

Ceiling or underfloor — which insulation should NZ homeowners tackle first? We break down costs, R-values, subsidies, and the honest answer for your home.

March 20th, 2026

Insulation