- 818-758-4076
- office@legit.com
- 3146 Koontz Lane, California
About 7 Rater
7Rater was founded to provide dependable, accurate and transparent House Energy Ratings and building sustainability services.
We are fully accredited Thermal Performance Assessors and bring a practical, real-world understanding of how energy efficiency impacts comfort, compliance, and long-term cost savings.
Our team has been involved in the energy efficiency industry for over 30 years, contributing to the evolution of energy rating standards and modelling practices used across Australia today.
Our Background & Expertise
Before energy ratings became mandatory under the Building Code of Australia, our team was already supporting homeowners, architects, and builders through sustainability advisory work and early HER software development.
Across decades, we have been:
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Contributing to the development and refinement of energy rating tools
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Working alongside government and industry sustainability programs
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Guiding builders, designers, and homeowners in designing comfortable and climate-responsive homes
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Delivering thousands of certified House Energy Ratings, from small dwellings to complex architect-designed residences
This deep technical experience translates directly into practical, realistic, and cost-effective energy rating solutions for our clients today.
Leadeship
Our consultancy is led by experienced professionals who have:
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Provided advice to builders, architects, owner-builders, students, government bodies, and the general public
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Led sustainability training and education programs
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Managed energy advisory services at state and industry levels
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Built strong credibility in both residential design and efficient construction methods
Provided advice to builders, architects, owner-builders, students, government bodies, and the general public
Led sustainability training and education programs
Managed energy advisory services at state and industry levels
Built strong credibility in both residential design and efficient construction methods
This leadership foundation ensures every assessment is informed, accurate, and aligned with current standards and best practice.
What We Do
We assess and certify energy performance for:
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New Homes
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Renovations & Extensions
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Multi-unit Developments
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Volume Builder Designs
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High-Performance / 7-Star+ Homes
Whether you're designing your first home or managing large-scale residential projects, our focus remains consistent:
Maximise comfort, minimise running costs, ensure smooth compliance.
Specialisation in 7-Star & High-Performance Homes
For clients seeking the best possible efficiency outcomes, we specialise in developing 7-Star and above housing solutions.
We’ve worked extensively with volume builders and custom home designers to:
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Achieve higher star ratings without excessive construction cost
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Apply smart material selection and practical building detailing
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Balance thermal comfort, budget, and design intent
This experience allows 7Rater to offer premium efficiency guidance that delivers comfort and value long after construction.
Professional Values
At 7Rater, our work is guided by:
| Core Principle | What It Means for You |
|---|---|
| Collaboration | We work alongside your builder or designer, not against them. |
| Environmental Responsibility | Every recommendation is made with long-term sustainability in mind. |
| Continuous Improvement | We stay updated on standards, software, efficiencies, and product advancements. |
| Integrity & Transparency | No upselling, no shortcuts — just clear and honest guidance. |
Why Clients Choose 7 Rater
✅ Fast, reliable turnaround — typically 24–48 hours
✅ Accurate, audit-ready documentation
✅ Cost-conscious solutions for builders and homeowners
✅ Clear guidance on achieving compliance smoothly
✅ Decades of hands-on sustainability knowledge
We don’t just generate ratings —
we help create homes that feel better to live in.
Whether you're a builder, architect, or homeowner, our team is here to support your project with accuracy, efficiency, and trusted expertise.
→ Ready to get started?
We’d be happy to review your plans and provide a tailored quote.
Certified energy assessments for a sustainable future. Fast, professional, and compliant.