Hot Water Cylinder News

Copper Hot Water Cylinders Key to Award Winning Solar Energy Project

McDonald Engineers has supplied 30 of its POWERflow solar cylinders to an award winning housing project in Scotland at the insistence of an architect who recognised the importance of using copper cylinders with solar energy.

The project, which went on to win the prestigious Green Apple Environmental Award, saw McDonald Engineers supply a combination of 180 litre and 210 litre POWERflow cylinders fitted with high performance finned copper coils to deliver maximum performance.

McDonald Engineers Welcomes Domestic RHI Scheme

McDonald Engineers is delighted to see the government announce the Renewable Heat Incentive will be launched in spring 2014.

As one of the leading players in the design, manufacture and supply of hot water cylinders incorporating renewable energy sources, McDonald Engineers has been calling on the scheme to be implemented for a number of years.

The announcement means the RHI scheme widens the current government incentives to include energy sources such as:

· solar thermal

McDonald Engineers Deliver Exact Replacement for Elson Rectangular Thermal Stores

McDonald Engineers has secured the contract to supply its CUBEflow Rectangular Thermal Store as a direct replacement for existing Elson units for the refurbishment of a busy accommodation centre in the North of England.

The company was asked to supply a 100 litre thermal store unit with all the connections in the exact same place as the existing rectangular tanks to enable the installation process to be quick and efficient.

McDonald Engineers also proposed the incorporation of a fully pumped system which would increase the efficiency of the system.

McDonald Engineers Deliver Electric Rectangular Tank for London Housing Project

McDonald Engineers has reinforced its position as one of the UK’s leading suppliers of rectangular hot water tanks by supplying an electric CUBEflow to replace an Elson Coral tank for a housing project in London.


McDonald Engineers’ range of rectangular tanks has received unanimous praise since its launch for the quality and durability of the system with excellent feedback on the ease of installation – especially when replacing Elson rectangular tanks.

Urgent Bespoke Hot Water Cylinder Manufactured for Super Yacht

McDonald Engineers responded to a distress call from a 52 metre luxury Yacht which discovered a leak in a water tank only a few days before it was set to sail from its port in Majorca with a VIP guest.

Working to an extremely tight schedule, McDonald Engineers manufactured and supplied two 325 litres cylinders which were designed to work like an electric thermal store as well as being able to work in parallel during periods of peak demand.

Vented Hot Water Cylinders Supplied to Duchally Country Estate

McDonald Engineers have once again been shown to be the number one choice to supply hot water cylinders to the hospitality industry by having their Maxistore 7 direct vented hot water cylinder to the self-catering villas on the 5 star Duchally Country Estate.

Each of the 55 self-catering villas at the resort in the Scottish countryside features electric heating systems and McDonald Engineers’ Maxistore 7 is specifically suited to capitalise on off peak tariffs.

Header Tank

McDonald Engineers Manufacture Bespoke Copper Header Tanks

McDonald Engineers have demonstrated their ability to offer a completely bespoke solution, by manufacturing two 700 litre copper header tanks for a major distribution company in Glasgow.

These were designed and manufactured by McDonald Engineers to replace existing plastic tanks which had developed a leak and on further inspection were found to be in a state of disrepair.

Each of the header tanks measured 1500mm x 700mm x 800mm and manufactured in copper to take advantage of its superior bacteria killing properties

Copper Experiment

What Does the Inside Of Your Hot Water Cylinder Look like?

The life-threatening effects of contaminated water are well documented, however many people remain unaware of the extraordinary bacteria killing powers of copper which are clearly shown in 2 very simple tests conducted by McDonald Engineers.

Stagnant water sitting in a cylinder can be a prime target for bacteria such as Legionella, MRSA and ecoli, especially when the water temperature is allowed to sit between 20-55°C for a period of time – such as holiday periods or shut-downs.