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Plain-English guides on home comfort, energy costs, assessments and policy. No jargon, no sales pitch — just what's useful.

Choosing the right home battery size after Australia's 2026 battery rebate changes

Is a home battery still worth it before the January 2027 rebate step-down? And what size do you actually need?

The home battery rebate steps down again on 1 January 2027. Here's what changed in May, what changes next, whether a battery still makes sense, and how to size one to your home rather than the rebate.

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September 26, 2026

How to get your first 10 existing-homes clients

"7 paid assessments complete. Still finding my feet." Demand, not accreditation, is the top pain across the assessor cohort. Here are the real channels — green loans, councils, agents, trades and platform demand — that actually fill a diary.

September 28, 2026

Energy rating disclosure at sale and lease: what's coming

Mandatory disclosure exists in one jurisdiction today. A national framework and a live NSW trial suggest that's changing — here's what's actually confirmed, and what it would mean for assessor demand and network capacity.

September 28, 2026

Cert IV in Home Energy Efficiency (CPP41126): cost, duration and the subsidy deadline

Course fees run from under $5,000 to around $11,000 depending on provider, and completion windows from 6 to 24 months. Here's what CPP41126 actually costs and takes — plus the accreditation subsidy window that won't stay open indefinitely.

September 28, 2026

Green home loans: how lenders use energy ratings

CommBank, Bank Australia and Great Southern Bank now write NatHERS ratings into their green home loan eligibility criteria. Here's what each requires — and what the Scorecard's closure changed for assessors.

September 27, 2026

What to charge for an existing home energy assessment

"What do I charge?" is the question the whole segment leaves unanswered. Here's a real pricing guide by job type — base assessment, thermal imaging add-on, time on site and turnaround — from our own partner network data.

September 27, 2026

The Scorecard has closed: what Scorecard assessors do next

Scorecard accreditation ended 30 April 2026 and the program closed for good on 23 June 2026. Here's the real transition path to NatHERS for existing homes — what carries over, what's subsidised, and the actual steps.

September 27, 2026

How to become a NatHERS assessor in 2026

The qualification hasn't changed, but the accreditation map has: Design Matters National is now the sole accreditor for the existing-homes stream. Here's the real pathway — qualification, AAO, software — for 2026.

September 27, 2026

The Home Energy Rating certificate: what it actually says, and how to explain it

The refreshed certificate carries two numbers, not one — plus an appliance breakdown and upgrade list. Here's what each section means, and how to walk a homeowner through it in under two minutes.

September 27, 2026

An accreditation seal with two overlapping rings, one for new homes and a newly added one for existing homes

NatHERS Existing Homes Stage 2: What Changed for Assessors in 2026

Stage 2 launched 1 July 2026: accreditation and training opened to every assessor, new-homes assessors can add existing homes at no extra accreditation cost, and the certificate itself changed.

September 27, 2026

Three ascending steps, each a different upgrade type, with a small marker on the first step indicating where to start

Renovating for Comfort: What Order to Do the Upgrades In

The upgrades aren't the hard part — the order is. Envelope first, then heating and cooling sized to match, then electrical infrastructure, then solar and battery.

September 27, 2026

A clock face with a small wedge marking the expensive peak pricing period and the rest of the dial in cool off-peak tones

Time-of-Use Tariffs Explained: When Power Is Actually Cheapest

Peak and off-peak windows vary by network, and the price gap is big enough to plan around — real dollar examples for shifting your dishwasher, pool pump and hot water.

September 27, 2026

A lit candle held near a window frame with its flame bending sideways, revealing a draught

Draught Proofing Your Home: A Weekend Guide (Under $200)

A room-by-room DIY draught-proofing checklist for doors, windows, gaps and exhaust fans under $200 — plus the one item on the list that genuinely needs an electrician.

September 27, 2026

A rooftop evaporative cooling unit with a cooling mist drifting from its vents and thinning into the humid air

Evaporative Cooler vs Reverse Cycle: When to Switch

Evaporative cooling is genuinely cheap to run, until the one humid heatwave night it matters most for sleep — here's where it fails, what it costs, and the upgrade paths.

September 27, 2026

A laser measuring tool pointed at a wall corner during a home energy assessment

What Is a Home Energy Rating, and Do You Need One?

A free ComfortScore and a formal NatHERS existing-homes rating answer different questions — here's what the official version actually involves, what it costs, and when you need it.

September 27, 2026

A cooktop split down the middle, one side a gas burner flame ring and the other an induction cooking zone

Induction vs Gas Cooktop: Cost, Health and What Switching Actually Involves

The running cost gap is modest, but the health evidence and the electrical install requirements are what actually matter when deciding between induction and gas.

September 27, 2026

A close view of a door bottom with a draught seal brush strip closing the gap to the floor

How to Keep Your House Warm in Winter (Cheap Fixes First)

Before you spend on insulation, five genuinely cheap fixes — zone heating, draught seals, a reversed ceiling fan, rugs — aimed at the room that's actually cold.

September 27, 2026

An external awning shading a window on an Australian home

How to keep your house cool in summer without blowing the bill

Cheapest to most expensive: fans, external shading, insulation, then reverse cycle. Most homes get real relief long before they need the air conditioner running all day.

September 27, 2026

A close view of a home electrical switchboard on an interior wall, with one switch highlighted

Why is my electricity bill so high? 7 checks to do tonight

A bill that's crept up rarely has one big cause. Here are seven practical checks, roughly in order of how much difference they tend to make.

September 27, 2026

A close view into a window frame corner, cut away to show the two panes of double glazing with an air gap between them

Double glazing in Australia: cost, savings, and when it beats insulation

Double glazing costs $300–$1,500 per m² and genuinely cuts heat loss and noise — but for most homes, ceiling insulation is still the cheaper win first. Here's when glazing actually earns priority.

September 27, 2026

Looking up into a roof cavity at ceiling joists with insulation batts laid between them

Ceiling insulation: what R-value you need, and what it costs

Ceiling insulation is usually the single highest-impact home upgrade you can make. Here's what R-value actually means, what you need for your climate, and what topping up or replacing it costs.

September 27, 2026

Solar panels installed on the north-facing roof of an Australian home

Is solar still worth it in 2026? Payback by city, and why orientation matters more

Solar payback ranges from about 3 years in Adelaide to 7 in Hobart — but which way your roof faces can swing the numbers almost as much as which city you live in.

September 27, 2026

A packed emergency bag and a rolled written bushfire plan sitting side by side, ready to go

Your bushfire plan, step by step: the decision, the household, the property and where you'll go

A written bushfire plan is really just a handful of decisions made calmly in advance. Here's what actually goes into one, from the stay-or-leave decision to preparing the property.

September 27, 2026

A cutaway of two rooms in a house, one cooled by a wall-mounted split system and one by a ceiling duct vent

Split system vs ducted reverse cycle: which suits your home?

Split or ducted comes down to your house, not the brand: how you use the rooms, and how well-insulated they are. Here's the real cost gap, and why fixing insulation first can shrink the system you need.

September 27, 2026

A heat pump hot water unit installed beside an Australian home with rooftop solar

Heat pump hot water rebates in 2026: what each state actually pays, and what it costs to run

Every heat pump hot water system qualifies for a federal rebate, and most states add their own on top. Here's what's actually on offer state by state in 2026, and what a heat pump costs to run against gas and electric.

September 27, 2026