Close

Manufacturers

Grant Boilers Boiler Efficiency Rating, Repair & Service

Grant - Boiler Efficiency Rating

Grant have been working to manufacture only the most reliable heating products for almost 4 decades. They recognise that they have a responsibility to consider the environment in all that they do, developing only the most sustainable, high-performance and environmentally friendly heating solutions.

All Grant oil-fired condensing boilers have been awarded Which? Best Buy accolades in their 2017 boiler review, that’s a massive 63 awards.

Every model in the ranges we highlight below come fitted with the latest blue flame technology, this range of boilers only produce very low NOx emissions, so they’re more than ready for the ErP’s low NOx legislation coming into effect on 26th September 2018.

VortexBlue

There are 4 boilers available in this range; a Combi and a System for either internal or external installation. Designed for an easy installation and fitted with the very latest Riello Blue Flame technology for low emissions, this boiler has a lot of benefits to offer. When installed by a G1 accredited installer, these boilers come with a lengthy 10 year warranty.

Vortex Pro

This range includes a Combi and a System boiler, with both having internal and external models. The models in this range come with the latest Riello RDB low NOx compact burner meaning that they’re ready for the new ErP legislation too. The internal models are able to fit within a kitchen unit and run very quietly so you’ll barely know that they’re even there.

Vortex Eco

Available as an outdoor, indoor, floor-standing or wall hanging boiler, there’s likely to be a unit in this range to suit the needs of your home. This is a highly efficient range, fitted with a multi-directional flue, built-in frost protection (external models), mains isolating switch and they also run extremely quietly.

How Much Do Grant Boilers Cost?

Grant’s Combi boiler will set you back around £1700 to £2500 while their extensive list of Regular boilers can range from £1400 to £2400.

Model Type Fuel Efficiency
Grant Combi 70 Mk II Non-Condensing Oil 83.0%
Grant Combi 70 V3 Non-Condensing Oil 83.0%
Grant Combi 90 Mk II Non-Condensing Oil 83.9%
Grant Combi 90 V3 Non-Condensing Oil 82.7%
Grant Combi Max Non-Condensing Oil 82.2%
Grant Euroflame 90-120 Boilerhouse Non-Condensing Oil 84.4%
Grant Euroflame 90-120 Outdoor Non-Condensing Oil 84.4%
Grant Euroflame 90-120 System Kitchen Utility Non-Condensing Oil 84.4%
Grant Euroflame Boilerhouse 50-70 Non-Condensing Oil 84.7%
Grant Euroflame Boilerhouse 70-90 Non-Condensing Oil 84.7%
Grant Euroflame Condensing Boilerhouse 50-70 Condensing Oil 90.8%
Grant Euroflame Condensing Boilerhouse 70-90 Condensing Oil 90.6%
Grant Euroflame Condensing Boilerhouse 90-120 Condensing Oil 90.3%
Grant Euroflame Condensing Indoor 50-70 Condensing Oil 90.8%
Grant Euroflame Condensing Indoor 70-90 Condensing Oil 90.6%
Grant Euroflame Condensing Indoor 90-120 Condensing Oil 90.3%
Grant Euroflame Condensing Module 50-70 Condensing Oil 90.8%
Grant Euroflame Condensing Module 70-90 Condensing Oil 90.6%
Grant Euroflame Condensing Module 90-120 Condensing Oil 90.3%
Grant Euroflame Kitchen / Utility 50-70 Non-Condensing Oil 84.7%
Grant Euroflame Kitchen / Utility 70-90 Non-Condensing Oil 84.7%
Grant Euroflame Kitchen/Utility 90-120 Non-Condensing Oil 84.4%
Grant Euroflame Outdoor Module 50-70 Non-Condensing Oil 84.7%
Grant Euroflame Outdoor Module 70-90 Non-Condensing Oil 84.7%
Grant Euroflame System 50-90 Non-Condensing Oil 84.7%
Grant Multipass Boilerhouse 110-140 Non-Condensing Oil 85.4%
Grant Multipass Boilerhouse 140-160 Non-Condensing Oil 85.6%
Grant Multipass Boilerhouse 160-200 Non-Condensing Oil 85.6%
Grant Multipass Boilerhouse 70-90 Non-Condensing Oil 85.6%
Grant Multipass Boilerhouse 90-110 Non-Condensing Oil 85.4%
Grant Multipass Kitchen 110-140 Non-Condensing Oil 85.4%
Grant Multipass Kitchen 140-160 Non-Condensing Oil 85.6%
Grant Multipass Kitchen 160-200 Non-Condensing Oil 85.6%
Grant Multipass Kitchen 50-70 Non-Condensing Oil 85.6%
Grant Multipass Kitchen 70-90 Non-Condensing Oil 85.6%
Grant Multipass Kitchen 90-110 Non-Condensing Oil 85.4%
Grant Multipass Outdoor 110-140 Non-Condensing Oil 85.4%
Grant Multipass System 110-140 Non-Condensing Oil 85.4%
Grant Multipass System 50-70 Non-Condensing Oil 85.6%
Grant Multipass System 70-90 Non-Condensing Oil 85.6%
Grant Multipass System 90-110 Non-Condensing Oil 85.4%
Grant Outdoor Combi 90 V3 Non-Condensing Oil 82.7%
Grant Outdoor Combi Max Non-Condensing Oil 82.2%
Grant Outdoor Combi Mk II Non-Condensing Oil 83.9%
Grant Vortex 15 Condensing Oil 91.1%
Grant Vortex 15 S Condensing Oil 91.1%
Grant Vortex 15-26 Kitchen Boiler Condensing Oil 91.9%
Grant Vortex 15-26S Kitchen Boiler Condensing Oil 91.9%
Grant Vortex 20 Condensing Oil 91.5%
Grant Vortex 20 S Condensing Oil 91.5%
Grant Vortex 20G Boilerhouse Condensing Oil 92.9%
Grant Vortex 20G Boilerhouse System Condensing Oil 92.9%
Grant Vortex 20G Outdoor Module Condensing Oil 92.9%
Grant Vortex 20G Outdoor Module System Condensing Oil 92.9%
Grant Vortex 20G Utility Condensing Oil 92.9%
Grant Vortex 20G Utility System Condensing Oil 92.9%
Grant Vortex 26 Condensing Oil 91.9%
Grant Vortex 26 S Condensing Oil 91.9%
Grant Vortex 26-36 Boilerhouse Condensing Oil 93.3%
Grant Vortex 26-36 Boilerhouse System Condensing Oil 93.3%
Grant Vortex 26-36 Outdoor Module System Condensing Oil 93.3%
Grant Vortex 26-36 Utility Boiler Condensing Oil 93.3%
Grant Vortex 26-36-S Utility System Boiler Condensing Oil 93.3%
Grant Vortex 30G Boilerhouse Condensing Oil 92.5%
Grant Vortex 30G Boilerhouse System Condensing Oil 92.5%
Grant Vortex 30G Outdoor Module Condensing Oil 92.5%
Grant Vortex 30G Outdoor Module System Condensing Oil 92.5%
Grant Vortex 30G Utility Condensing Oil 92.5%
Grant Vortex 30G Utility System Condensing Oil 92.5%
Grant Vortex 36 Condensing Oil 93.3%
Grant Vortex 36S Condensing Oil 93.3%
Grant VORTEX BOILERHOUSE 15-21 Condensing Oil 90.8%
Grant VORTEX BOILERHOUSE 21-26 Condensing Oil 90.6%
Grant VORTEX BOILERHOUSE 26-35 Condensing Oil 90.3%
Grant Vortex Condensing Combi 21 Condensing Oil 89.5%
Grant Vortex Condensing Combi 26 Condensing Oil 90.2%
Grant Vortex Condensing Combi 36 Condensing Oil 91.6%
Grant Vortex Eco External 15-21 Condensing Oil 90.8%
Grant Vortex Eco External 21-26 Condensing Oil 90.6%
Grant Vortex Eco External 26-35 Condensing Oil 90.3%
Grant Vortex Eco External System 15-21 Condensing Oil 90.8%
Grant Vortex Eco External System 21-26 Condensing Oil 90.6%
Grant Vortex Eco External System 26-35 Condensing Oil 90.3%
Grant Vortex Eco Utility 15-21 Condensing Oil 90.8%
Grant Vortex Eco Utility 21-26 Condensing Oil 90.6%
Grant Vortex Eco Utility 26-35 Condensing Oil 90.3%
Grant Vortex Eco Utility System 15-21 Condensing Oil 90.8%
Grant Vortex Eco Utility System 21-26 Condensing Oil 90.6%
Grant Vortex Eco Utility System 26-35 Condensing Oil 90.3%
Grant Vortex Eco Wall Hung 12-16 Condensing Oil 91.9%
Grant Vortex Eco Wall Hung 16-21 Condensing Oil 91.6%
Grant Vortex Eco Wall Hung External 12-16 Condensing Oil 91.9%
Grant Vortex Eco Wall Hung External 16-21 Condensing Oil 91.6%
Grant Vortex Eco Wall Hung External System 12-16 Condensing Oil 91.9%
Grant Vortex Eco Wall Hung External System 16-21 Condensing Oil 91.6%
Grant Vortex Eco Wall Hung System 12-16 Condensing Oil 91.9%
Grant Vortex Eco Wall Hung System 16-21 Condensing Oil 91.6%
Grant Vortex Outdoor Combi 21 Condensing Oil 89.5%
Grant Vortex Outdoor Condensing Combi 26 Condensing Oil 90.2%
Grant Vortex Outdoor Condensing Combi 36 Condensing Oil 91.6%
Grant Vortex Outdoor Module 15-21 Condensing Oil 91.2%
Grant Vortex Outdoor Module 15-26 Condensing Oil 91.9%
Grant Vortex Outdoor Module 26-36 Condensing Oil 93.3%
Grant Vortex Outdoor Module 36-46 Condensing Oil 90.7%
Grant Vortex Pro Boilerhouse 36-46 Condensing Oil 90.7%
Grant Vortex Pro Boilerhouse 46-58 Condensing Oil 91.7%
Grant Vortex Pro Boilerhouse 58-70 Condensing Oil 91.4%
Grant Vortex PRO Combi XS 26 Condensing Oil 90.0%
Grant Vortex Pro External 46-58 Condensing Oil 91.7%
Grant Vortex Pro External 58-70 Condensing Oil 91.4%
Grant Vortex Utility 15-21 Condensing Oil 91.2%
Grant Vortex Utility 15-26 Condensing Oil 91.9%
Grant Vortex Utility 36-46 Condensing Oil 90.7%
Grant Vortex Utility 46-58 Condensing Oil 91.7%
Grant Vortex Utility 58-70 Condensing Oil 91.4%
Grant Vortex Utility System 15-26S Condensing Oil 91.9%
Grant Vortex Utility System 36-46S Condensing Oil 90.7%