You may be able to save money by using an engineer from the same company who supply your boiler, so. Welcome, if you’re looking to replace your boiler, or upgrade your central heating system, you’ve come to the right place. Because standard boilers can handle more pressure, they are on the expensive end of the boiler spectrum. If your boiler has a pre-existing fault then book a boiler repair, £80+vat per hour, rather than the fixed price service. Customer.