Category: boiler service
Now available through energysmart. Aos energy efficient heating systems is a trading name of aos energy efficient heating systems ltd | registered company number 03960964, registered in england and wales. You can find out more about the prices of boilers by visiting our. On older boilers – typically those more than 20 years old – you should be able to check the pilot light there will normally be a see-through window that allows you to see the.