Efficient; no energy is wasted. Warm.co.uk is operated by web consultancy group limited in partnership with boiler guide. If you are worried about the upfront costs of installing a new boiler you can visit our. Residents should be aware that there is a serious risk of electrical shock or fire due to the recalled electrical cable. You should find that all modern boilers are more economical when compared to older models. Find out about our flexible payment options for boilers, discounts and free installations.