AOS Heating | Heating Installers Hertfordshire | Boiler Installs 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

I have used A O S many times in all of my properties and have always been happy with the service they provide; from the person answering the phone to the engineer who comes out, they are polite, professional, clean/tidy, reasonably priced and I've always been happy with the service…

Tim, Cheshunt

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

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

Excellent work, prompt, arrived on time each of the three day project. Efficient and knowledgeable workforce, explained the system very helpfully. I would recommend this company.

Annette, Hertfordshire