Grant Boilers

Award-Winning and Highly Efficient

Designed for Reliability and Durability

Innovation and Environmental Responsibility

Variety of Models for Different Needs

Installer and User-Friendly Design

Strong Guarantees and Support

Combi (Combination) Boilers: These are a very popular choice as they provide both central heating and instant hot water directly from the boiler, without the need for a separate hot water cylinder or cold water tank. This makes them a great space-saving option, particularly for smaller to medium-sized homes. Grant offers both internal and external combi boilers.

System Boilers: Similar to a combi boiler, a system boiler heats water directly from the mains and provides central heating. However, it requires a separate unvented hot water cylinder to store the hot water. This makes them suitable for larger homes with multiple bathrooms where there is a high demand for hot water at the same time. Grant's system boilers don't need a cold water tank in the loft, as they're a sealed system.

Regular (Conventional or Heat-Only) Boilers: These are the traditional type of boiler often found in older heating systems. They require both a hot water cylinder and a cold water storage tank, typically located in the loft. They're suitable for homes that already have this setup and for larger properties with a high demand for hot water and multiple bathrooms.

Internal and External Models: Grant provides a wide range of boilers that can be installed inside a property (e.g. in a kitchen, utility room, or boiler room) or outside. External models are a great solution for homes where internal space is at a premium.

Renewable and Hybrid Solutions: As part of their commitment to sustainable heating, Grant also manufactures and provides renewable products like air source heat pumps and hybrid systems that combine a heat pump with an oil-fired boiler.

A-Rated Efficiency: Many of their boilers, particularly those in the Vortex and VortexBlue ranges, are A-rated for efficiency, meaning they achieve high efficiency ratings. Some models can reach up to 94.5% space heating efficiency. This is a significant improvement over older, non-condensing boilers, which can operate at efficiencies as low as 60-70%.

Condensing Technology: Grant's boilers use a highly innovative, patented stainless steel heat exchanger to capture and reuse waste heat from the flue gases. This process, known as condensing, allows the boiler to extract more heat from the same amount of fuel, leading to reduced fuel consumption and lower energy bills.

Low NOx Burners: Grant's VortexBlue series features advanced blue flame burners that produce ultra-low NOx emissions. This not only makes them more environmentally friendly by reducing harmful emissions but also ensures a cleaner, more efficient combustion process.

Installer-Friendly Design: The boilers are known for being straightforward to install and service. Features like front service access to the burner and internal components make annual maintenance easier and quicker for heating engineers.

EZ-Fit Flue Systems: Grant offers a comprehensive range of EZ-Fit flue systems that simplify installation. These systems come in various configurations (low-level, high-level, vertical, etc.) and are compatible with all Grant boilers, giving fitters flexibility in a variety of installation scenarios.

Simple Commissioning: The boilers are designed for a simple and effective commissioning process, ensuring that they are working at peak efficiency from the moment they are installed. This not only benefits the customer with lower running costs but also provides peace of mind to the engineer that the job is done right.

Combi, System, and Regular (Heat-Only): They provide a full spectrum of boiler types to cater to various hot water and heating demands. This includes combi boilers for homes that need instant hot water and have limited space, as well as system and regular boilers for larger properties with multiple bathrooms.

Internal and External Models: Grant is well-known for its external (or outdoor) boiler models, which are perfect for homes where internal space is at a premium. These boilers are housed in a robust, weather-resistant casing and are designed to perform reliably in all weather conditions.

Boiler House and Utility Models: The range includes designs specifically for installation in a boiler house, garage, or utility room, offering flexibility in placement.

Wide Output Range: Their boilers come in a broad range of outputs, from 15kW up to 70kW, ensuring there is a suitable model for everything from a small flat to a large commercial property.

Extended Warranties for G1 Installers: While standard warranties are available, Grant offers significantly extended warranties when the boiler is installed by a certified G1 Installer. This G1 accreditation scheme ensures that the installer has been trained by Grant, providing a higher standard of installation and service.

Product Guarantees: Depending on the model and whether it is installed by a G1 installer, guarantees on a Grant boiler can be up to 10 years for the heat exchanger and several years for other parts. This is a testament to the durability and quality of their components.

After-Sales Support: Grant has a reputation for excellent after-sales support, with a dedicated technical team and a network of approved installers to assist with servicing and repairs.