123 Heat was created with the sole intention to provide a quick and easy process to replace and upgrade your current boiler with minimum hassle. We aim to fit your new boiler the next working day or on a date that suits you best. All our engineers are Gas Safe registered with a minimum of 5 years’ experience. Our engineers are friendly, respectful and work extremely hard to install your new boiler or complete your chosen service. We aim to communicate and respond to all customers and enquiries within 2 hours. Our working hours are 8:00am – 5:00pm, 7 days a week. For more information about our installs and services, feel free to contact us via 0800 061 4762 or email.