Understanding HIES: Protecting Homeowners in Renewable Energy Projects
When investing in renewable energy or efficiency upgrades for your home, choosing the right installer is as important as the technology itself. Alongside MCS certification, you’ll often see membership of HIES.
But what is HIES, and why should it matter to you as a homeowner?
What is HIES?
HIES stands for the Home Insulation & Energy Systems Quality Assured Contractors Scheme. It’s a government-approved consumer protection organisation covering renewable and home energy efficiency installations, including:
Solar PV and battery storage
Heat pumps
Insulation systems
All HIES members must meet strict standards of conduct and are continually monitored to ensure best practice.
Why HIES Matters to You
1. Consumer Protection Guarantee
With a HIES member, you are automatically covered by:
Deposit & stage payment protection – your money is safe if the installer ceases trading.
Workmanship warranty protection – if your installer goes out of business, your warranty is still honoured.
Insurance-backed guarantees – giving you peace of mind for the long term.
2. Independent Dispute Resolution
If something does go wrong, HIES provides access to:
Free mediation between you and the installer.
Independent inspections of the installation were needed.
Alternative Dispute Resolution (ADR) and access to an Ombudsman service if issues remain unresolved.
This ensures problems are dealt with fairly, quickly, and without expensive legal action.
3. Confidence in Installers
Only businesses that meet rigorous checks can become HIES members. This means you can be confident your installer is reputable, financially stable, and committed to high-quality service.
Choosing a HIES-accredited installer gives you more than a renewable system – it gives you peace of mind. From deposit protection to warranty cover and independent dispute resolution, HIES ensures that your investment is safe and your rights are protected.
When combined with MCS certification, HIES membership ensures both the technical quality of your system and the security of your purchase.
