Are you looking to install a Megaflo unvented cylinder heating system and do you need a experienced, qualified engineer then you can rely on us to provide a professional and cost effective solution. AR Heating Services are your local and reliable expert plumbers and heating engineers in Harrow, Watford, Hemel Hempstead, St. Albans, Bushey, Stanmore, Edgware, Ruislip, Northolt and London.
Megaflo, is the trade name of Heatrae Sadia, a market leader in the UK with in the manufacture and supply of unvented water heaters.


Megaflo Unvented Water Heating systems are supplied directly from the mains cold water supply and some of the benefits over a standard water heating system are:

  • All the hot water taps pressure getter increased pressure and flow.
  • A more balanced hot and cold water supply
  • No need for special shower pumps due to increased performance.
  • A loft water storage cistern is not required
  • A Megaflo Unvented Cylinder installation can be in any location in the home.

A Megaflo unvented heating is an excellent product providing great performance and to increase longevity along with optimum performance, the system should be regularly maintained.


Frequently Asked Questions

Yes, after a gas installation, replacement or repair job, our engineer will provide you with a gas safe installation/repair certificate as per British Law.

Not only will you put your family, tenants and property in danger as you are legally not qualified to service gas appliances that can result in your insurance becoming invalid and can cause gas leaks, fires, explosions and carbon monoxide poisoning. Another hazard is carbon monoxide poisoning you can’t see it, taste it or smell it, but it can kill quickly with no warning.

We can install, replace or repair gas ovens, hoods, gas boilers, gas cookers and hobs, all the works carried out by Gas Safe engineers