Our Accreditations
Garry Hamilton Limited is committed to delivering high-quality renewable energy solutions. Our accreditations reflect our dedication to industry standards, safety, and customer satisfaction. We offer the best home heating systems tailored to your needs for optimal comfort and efficiency.
We are MCS certified, ensuring that installations of Air Source Heat Pumps and Solar PV systems are carried out to the highest standards. This certification guarantees that you’ll receive the correct documentation for your installation.
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Registration Number: 219413
Our engineers are fully Gas Safe registered, with extensive experience in servicing, installing, and repairing all types of gas boilers. You can trust us to handle all your gas heating needs safely and efficiently.
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Registration Number: 3740
As a HETAS registered company, we adhere to the highest standards in the installation of solid fuel appliances, ensuring the safe, efficient, and environmentally responsible use of solid fuels.
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Registration Number: 3740
As members of the RECC, we are committed to providing a high-quality experience for consumers purchasing or leasing small-scale energy generation systems for their homes.
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Membership Number: 00062368
TrustMark is the Government Endorsed Quality Scheme, offering consumers peace of mind when choosing a trusted, reliable business for home improvements.
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Registration Number: 1855457
We are accredited by Constructionline, which validates businesses against PAS91 criteria and ensures we meet industry standards for construction partners.
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Registration Number: QAS7ETP6Z
As part of Quality Mark Protection, we provide one of the UK’s leading insurance-backed guarantees and deposit protection for home improvement projects.
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Registration Number: 145222
We are proudly featured on Renewable Energy Hub, a trusted community for renewable energy solutions in the UK.
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Designed to raise industry standards, Mitsubishi Electric's Partner Programme assures end users of a consistently high level of installation and after sales service that supports our systems.
All Vaillant Advance installers are either Gas Safe registered (for boiler installations) or MCS accredited (for heat pump installations), and are well-versed in our wide range of gas boilers, heat pumps, controls, and cylinders. This means that they are not only able to help you find the perfect heating and hot water system for your home, but will also install your chosen Vaillant product to the very highest standards.