Jamie Bonnefin

Jamie Bonnefin

Jamie is the Director of Australia's leading ESD consultancy, Certified Energy. Jamie is a Green Star sustainability leader, NABERS assessor and accredited ABSA and BDAV Assessor. With over 15 years of experience in Sustainable Design in the built environment industry, Jamie is passionate about his work.

Recent posts by Jamie Bonnefin

2 min read

The Benefits Of Obtaining A NatHERS Rating For Your Existing Home

By Jamie Bonnefin on Jul 2, 2025 12:58:37 PM

Discover how a NatHERS rating can transform your existing home into a more comfortable, energy-efficient, and valuable property.

2 min read

How Homeowners Can Interpret And Act On Their NatHERS Existing Homes Rating

By Jamie Bonnefin on Jul 1, 2025 12:31:01 PM

Unlock the potential of your home by understanding and acting on your NatHERS Existing Homes rating for a more energy-efficient, comfortable living space.

Topics: NatHERS Existing Homes
2 min read

Practical Tips For Preparing Your Home For A NatHERS Existing Homes Assessment

By Jamie Bonnefin on Jul 1, 2025 12:30:57 PM

Get your home ready for a NatHERS Existing Homes assessment with these practical tips to ensure accurate and efficient evaluation.

Topics: NatHERS Existing Homes
2 min read

How A NatHERS Existing Homes Assessment Is Conducted

By Jamie Bonnefin on Jul 1, 2025 12:30:55 PM

Unlock the secrets of how a NatHERS Existing Homes assessment is meticulously conducted from start to finish.

Topics: NatHERS Existing Homes
2 min read

Introducing NatHERS For Existing Homes: Enhancing Energy Performance In Australia's Older Housing Stock

By Jamie Bonnefin on Jul 1, 2025 12:30:53 PM

Discover how NatHERS for Existing Homes is revolutionising energy efficiency in Australia's older houses.

Topics: NatHERS Existing Homes
2 min read

Top Energy Efficiency Upgrades For Existing Homes: A Comprehensive Guide

By Jamie Bonnefin on Jul 1, 2025 12:30:50 PM

Discover how to transform your existing home into an energy-efficient haven with these top upgrades, reducing your energy bills and environmental footprint.

Topics: NatHERS Existing Homes
2 min read

Energy Efficient Homes: The NatHERS Existing Home Trial Explained

By Jamie Bonnefin on Jul 1, 2025 12:30:48 PM

Unlock the secrets to an energy-efficient home with the NatHERS Existing Home Trial, set to revolutionise how Australians rate and improve their properties.

Topics: NatHERS Existing Homes
2 min read

What You Need To Know About NatHERS For Existing Homes

By Jamie Bonnefin on Jul 1, 2025 12:30:37 PM

Get ready for mid-2025 when NatHERS will expand to include existing homes, offering homeowners a clear path to energy efficiency and cost savings.

Topics: NatHERS Existing Homes
2 min read

Step-by-Step Guide To NatHERS Assessments For Existing Homes

By Jamie Bonnefin on Jul 1, 2025 12:30:34 PM

From mid-2025, the Nationwide House Energy Rating Scheme (NatHERS) will extend its energy performance assessments to existing homes, offering valuable insights into energy efficiency for homeowners and renters.

Topics: NatHERS Existing Homes
1 min read

10 Energy Efficiency Upgrades For Existing Homes

By Jamie Bonnefin on Jul 1, 2025 12:30:31 PM

Maximise comfort, save on energy bills, and boost the value of your home with these essential energy efficiency upgrades.

Topics: NatHERS Existing Homes