Grant has been designing and manufacturing reliable heating products for nearly four decades. From award winning oil-fired condensing boilers to the latest renewable products, our heating systems have a reputation for quality that is second to none. Our belief in straightforward solutions guarantees that, while our technology is sophisticated, our heating                    
                                            
                                                        Rosie Slater Watts —
                            Helped out massively with a broken down boiler. Thank you!! amazing service                        
                    
                    
                    
                    
                