AOS Heating | Heating Installers Hertfordshire | Boiler Installs Hertfordshire

Good time, keeping, polite, tells you want he is doing, a very nice man. Have recommended him to lady in Park Hill, Ingrid. Clean and tidy.

Janice, Essex

The engineers were on time and very professional. Didn't stop until lunchtime, would not even have a cup of tea. Very clean and efficient, did a brilliant job at bricking up the old flue hole in the brick wall. They are coming back to do some more work for us,…

Beverley, Hertfordshire

AOS installed a new boiler in my property. The two installers were punctual, polite, tidy and efficient. Their work combined with the excellent admin support from the office showed the professionalism of both the installers and the company.

Christopher, Hertfordshire

Know what they were doing, worked efficiently with no time wasting, Polite & professional

Caroline, Hertfordshire

I've just moved out of the area so regrettably won't be able to use AOS any longer We had a monthly pay maintenance contract with them for 15 years. Our old house although new appeared to have inherited a rather flaky boiler that needed 3 PCB replacements…

Zoe Matthews, Hertfordshire