In Australia, energy efficiency is no longer optional — it’s essential.
From Sydney to Canberra, every new home or renovation project must meet strict BASIX or NatHERS energy performance standards before construction approval.
What many don’t realize is that windows and doors account for over 40% of a building’s total energy performance score. Choosing the right window system can make the difference between failing and passing the compliance test.
1. What Are BASIX and NatHERS?
BASIX (Building Sustainability Index) is a mandatory assessment system in New South Wales that evaluates water usage, energy efficiency, and thermal comfort in residential buildings.
NatHERS (Nationwide House Energy Rating Scheme) is a nationwide star-rating system that measures a home’s thermal performance — rated from 0 to 10 stars, with higher ratings indicating better energy efficiency.
Both programs aim to reduce energy consumption, lower carbon emissions, and create more comfortable homes.
2. Why Windows Matter So Much
Windows and doors are the weakest link in a home’s thermal envelope.
In Australia’s climate, up to 87% of unwanted heat enters through windows in summer, and almost 50% of warmth escapes during winter.
That’s why these three performance values are critical in BASIX and NatHERS calculations:
U-Value – measures insulation; lower is better.
SHGC (Solar Heat Gain Coefficient) – controls heat from sunlight.
Air Tightness – prevents drafts and temperature leakage.
3. M&C’s High-Performance Window Solutions
As a factory-direct manufacturer certified to AS2047 and NZS4211,
M&C Windows & Door provides fully engineered systems tailored for Australia’s energy standards:
Low-E Double or Triple Glazing – minimizes heat transfer, lowers U-values.
Thermally Broken Aluminum Frames – prevents heat bridging through metal sections.
Advanced Sealing Systems – ensures high air-tightness and long-term performance.
Integrated Shading & Glazing Options – optimize solar control and natural light.
These innovations make it easy for M&C systems to help homes meet — or even exceed — BASIX and NatHERS benchmarks.
4. Turning Energy Efficiency Into Everyday Comfort
In modern Sydney and Canberra homes, energy efficiency defines quality living.
Choosing AS2047-certified, high-performance windows is not only about passing compliance — it’s an investment in comfort, sustainability, and long-term value.
M&C Windows & Door
Factory-Direct · AS/NZS Certified · Energy-Efficient Systems
Empowering Australian homes to achieve green compliance — and live comfortably all year round.