Looking for reliable hot water storage fitting in Andover, Hampshire? Our certified engineers provide professional installation of unvented and vented hot water cylinders. These systems help you enjoy efficient and consistent hot water throughout your home or business. We cover all levels of commercial boilers and large industrial heating systems. Our heating specialists are on hand to advise you on the best heating system for your business. All equipment recommended and installed is from market leading manufacturers. So you can be safe in the knowledge that your commercial heating system will be reliable, highly effective and energy efficient.
We have a fully qualified and experienced team of heating engineers who carry out Commercial Hot Water Storage Installations. Our comprehensive installs cover everything from initial advice on the best system for you, right through to commissioning and certification.
AGW Group Ltd are Gas Safe Accredited and NICEIC approved engineers meaning all of our work is industry standard compliant and fully guaranteed. All documentation is provided for building inspection and insurance purposes.
These particular heating systems ensure you have a ready supply of hot water, even during peak usage times. Whether you’re upgrading your current system or installing one for a new property, our solutions are tailored to your exact needs.
Benefits include:
Improved water pressure
Reliable hot water for multiple outlets
Energy-efficient storage options
Based in Andover, Hampshire, we have over 30 years’ experience fitting vented and unvented hot water cylinders attached to complete heating systems across the region. Our Gas Safe and G3-certified technicians guarantee safe, compliant installation with minimal disruption. We cover every aspect from designing and installing your hot water storage system to regular maintenance contracts, ensuring every installation meets current building and safety regulations. Whether you’re upgrading an hot water storage system or fitting a new system in a renovation or new building, we tailor the solution to your businesses specific needs.
We install:
Unvented hot water cylinders (ideal for mains pressure systems)
Vented hot water cylinders (for gravity-fed systems)
Thermal stores and renewable-compatible solutions



From initial consultation to full system setup, we offer a hassle-free service with clear pricing and expert advice. We’re proud to serve small businesses, commercial organisations, landlords, and developers across Andover and across Hampshire.
Ready to upgrade your hot water system? Contact our friendly team for a free, no-obligation quote on hot water storage fitting in Andover or anywhere in Hampshire. Our team is here to help you choose the best solution for your property.