Engineering a Smarter, More Sustainable Future

Engineering, Energy & Sustainability Consultants

Impact Zero provides independent engineering and sustainability consulting across Australia and international markets. We help organisations optimise energy performance, improve buildings and industrial systems, integrate renewable technologies and deliver practical decarbonisation solutions.

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Engineering.Sustainability.ESG.Innovation.

Helping organisations transform climate commitments into measurable engineering outcomes through practical implementation, digital innovation and world-class technical expertise.

What We Engineer

Engineering outcomes, not just advice.

Five connected capabilities turn strategy into measurable operational performance.

We Engineer

Net Zero

Decarbonisation roadmaps, electrification, fuel switching and resilient infrastructure.Explore Net Zero

We Engineer

Renewable Energy

Solar PV, solar thermal, battery storage, microgrids and renewable procurement.Launch renewable tools

We Engineer

Engineering Intelligence

AI-assisted assessment, digital twins, analytics and predictive optimisation.Enter Engineering Studio

We Engineer

Circular Industries

Resource recovery, water reuse, waste-to-value and integrated energy systems.Explore circular innovation

We Engineer

Sustainable Business Performance

ESG strategy, climate risk, ISSB and IFRS S1/S2 readiness, Scope 1–3 carbon accounting, sustainable procurement, governance and implementation.Engineer ESG performance

Engineering, Energy & Sustainability Services

Integrated engineering solutions for measurable business outcomes.

Independent, technology-neutral advice for commercial, industrial, healthcare and public-sector organisations across Australia and internationally.

Commercial & Industrial Energy Audits

AS/NZS 3598-aligned assessments for commercial and industrial facilities across Australia, from baseline analysis to investment-ready recommendations.

Explore energy efficiency services →

HVAC & Chiller Optimisation

Hospital HVAC consulting, plant optimisation, controls improvement, low-delta-T investigation and heat-pump feasibility studies.

View HVAC experience →

Renewable Energy Feasibility

Commercial solar feasibility, industrial solar projects, battery integration, solar thermal and solar cooling systems.

Explore renewable projects →

ESG, Climate Risk & Net Zero

ISSB reporting support, climate risk assessment, carbon accounting, carbon reduction strategies and practical Net Zero roadmaps.

Read ESG insights →

Why Engineering Matters for ESG

Many firms report sustainability. We engineer it.

Reporting and disclosure are essential, but they do not by themselves reduce emissions, improve resilience or lower operating costs. Real ESG performance is created through implemented engineering: electrification, renewable energy, energy efficiency, circular systems, climate adaptation and measurable operational change.

Discuss ESG implementation →
Traditional ESGImpact Zero
ReportingReporting + engineering
Carbon inventoriesCarbon reduction projects
Climate strategiesImplemented solutions
ComplianceMeasurable outcomes
Framework guidanceOperational transformation

Engineering Studio

Use the engineering before the conversation.

Explore Impact Zero’s live digital tools and test real opportunities using your own site data.

Live Tool

Solar PV & Battery Designer

Model solar generation, battery dispatch, self-consumption, tariff impacts and project returns.

  • Interval-data import
  • Battery optimisation
  • Tariff modelling
  • Financial analysis
Launch tool ↗
Live Tool

Solar Thermal Designer

Estimate collector sizing, solar contribution, annual thermal output and hot-water savings.

  • Location-based climate
  • Collector library
  • Solar fraction
  • Thermal economics
Launch tool ↗
Live Tool

Heat Pump Replacement Tool

Compare gas, electric and legacy heat-pump systems against high-efficiency replacement options.

  • Energy and cost baseline
  • Emissions comparison
  • Incentives
  • Payback and lifecycle
Request access →

Industries We Transform

Deep engineering for complex operating environments.

Each sector combines different technical, regulatory and operational demands. We engineer for the reality of the site.

Flagship Projects

Engineering impact. Real-world results.

Discuss a project →
Hospital HVAC plant
Healthcare Decarbonisation

Integrated energy transformation for critical facilities

Electrification, heat recovery, HVAC optimisation and resilient low-carbon infrastructure.

View project →
Renewable energy on agricultural land
Smart Farm

Energy, water and digital intelligence in a circular system

A scalable operating model combining renewable energy, regenerative land use and smart infrastructure.

View project →
Aquatic centre
Thermal Electrification

High-efficiency heat-pump systems for complex thermal loads

Practical electrification pathways that reduce energy costs, emissions and operational risk.

View project →

Have a similar engineering challenge?

Discuss your facility, performance targets and project requirements with our team.

Request a Project Discussion

Innovation Lab

Pioneering the future.

Applied research, proprietary concepts and digital engineering platforms designed to solve problems conventional consulting cannot.

Explore Innovation Lab

Engineering Insights

Ideas. Innovation. Impact.

Technical perspectives on the systems, technologies and decisions shaping a Net Zero world.

Mechanical plant
Decarbonisation

Why implementation matters more than another Net Zero strategy

Turning climate commitments into funded, sequenced engineering projects.

Read insight →
Solar and agriculture
Renewable Energy

Integrating solar, storage and thermal energy around real loads

Why system value depends on load matching, control and operational context.

Read insight →
Advanced engineering infrastructure
Digital Engineering

How AI changes the energy assessment workflow

Faster data preparation and stronger engineering judgement—not automated guesswork.

Read insight →
Impact Zero engineering team

About Impact Zero

Engineering expertise with an implementation mindset.

Impact Zero is an engineering-led energy and sustainability company helping organisations reduce operating costs, decarbonise critical systems and implement technically robust solutions.

Our advice is independent, technology-neutral and focused on measurable outcomes.

CPEng • RPEQ • IntPE(Aus) • Dual PhD • 25+ years’ international experience
Experienced in AS/NZS 3598, ISO 50002, ISO 14001, NABERS, ISSB and climate-risk frameworks.

Meet the engineers →

Let’s Engineer Your Future

Bring us your toughest energy and sustainability challenge.

Start with a practical conversation about your facility, project or transition pathway.

Start with your project needs

Request the right engineering assessment

Choose your area of interest. The enquiry form will preselect the relevant service; you can change it before submitting.

Project enquiry

Tell us about your project

Share a few details so our engineering team can respond with relevant next steps. Fields marked * are required.

Please do not include passwords, sensitive personal information or confidential technical documents. For attachments, we will arrange a secure exchange after initial contact.

Prefer email? paolo@impactzero.com.au

Engineering insight

When does an industrial heat pump outperform a gas boiler?

Explore operating temperatures, seasonal COP, energy tariffs, network demand charges and lifecycle assessment in a practical worked example.

Read the engineering comparison →

COMPANY CAPABILITY STATEMENT

Explore Impact Zero's engineering capabilities

Download our two-page company overview covering engineering optimisation, energy efficiency, electrification, renewable integration, sustainability and water efficiency.

Download capability statement (PDF)

Two pages · Suitable for procurement and project enquiries · PDF