This register lists assessors with an active accreditation to undertake NatHERS for existing homes assessments. It enables assessor credentials to be verified by the public. Individuals will be removed if their accreditation is cancelled or currently suspended.
The register is maintained by the NatHERS Administrator and published in accordance with the Privacy Act 1988 (Cth), DCCEEW’s Privacy Policy, the NatHERS Information Collection, Storage and Dissemination Policy, and the consent of each assessor. For more information about privacy, please email admin@nathers.gov.au.
Contacting assessors
If an assessor has opted in, details may include contacts, and the states and/or territories they work in.
The register is not intended to act as a booking or advertising service. However, the public may use the register to contact assessors independently for assessments and are encouraged to seek multiple quotes when engaging professional services.
For questions about accreditation or use of this register, please contact the NatHERS Administrator: admin@nathers.gov.au.
Sebastian Crangle
Company: Home Energy Advisor
State / Territory: NSW, Qld
Accreditation number: NEH-2025-00001
Phone:
Email: seb@homeenergyadvisor.com.au
Christopher Leggett
Company: Telus Electrical Services Pty Ltd
State / Territory: NSW, Qld, Vic
Accreditation number: NEH-2025-00003
Phone: 0427 673 232
Email: chris.jm.leggett@gmail.com
Warren Li Yung Lung
State / Territory: Qld
Accreditation number: NEH-2025-00004
Phone:
Email: warren.ecolo@gmail.com
Mark Macgugan
Company: West wave energy assessment
State / Territory: WA
Accreditation number: NEH-2025-00005
Phone:
Email: admin@wwea.com.au
Michael Tibbs
Company: Nest Empowered
State / Territory: NSW
Accreditation number: NEH-2025-00007
Phone: 0403 610 020
Email: michael@nestempowered.com.au
Clyde Anderson
Company: Anderson Energy Efficiency
State / Territory: Qld
Accreditation number: NEH-2025-00008
Phone: 0414 396 422
Email: clyde.n.anderson@gmail.com
Emma Parkinson
Company: Emma Parkinson
State / Territory: Qld
Accreditation number: NEH-2025-00009
Phone:
Email: emmaparkinsonenergy@gmail.com
Jamie Bonnefin
Company: Bonnefin Consulting Pty Ltd T/As Certified Energy
State / Territory: NSW
Accreditation number: NEH-2025-00010
Phone: 02 9262 4456
Email: jobs@certifiedenergy.com.au
Tatjana Ricka-Tesanovic
State / Territory: SA
Accreditation number: NEH-2025-00011
Phone: 0422 345 932
Email: ricka-tesanovic@netspace.net.au
Kel Lupis
Company: Sustainability Certified Pty Ltd
State / Territory: ACT, NSW
Accreditation number: NEH-2025-00002
Phone: 0418 211 733
Email: kel@sustainabilitycertified.com.au