Unvented Cylinders Training Course
Our next Unvented Cylinder training course will run on Thursday 9th September 2010 in Glenrothes
For full details and to reserve your place contact us now
Dual Coil Calorifiers Installed for Department for Communities and Local Government
Filed under: Calorifier, Copper Cylinder, Electric Wet Central Heating System, Multifuel Hot Water System, Unvented Cylinder, Vented Mains Pressure System, heat pump cylinder
McDonald Engineers’ expertise in delivering energy efficient hot water systems for commercial environments, was put to the test by the Department for Communities and Local Government at their headquarters in central London.
Four Calorifiers at Eland House
With a total focus on energy efficiency by the design team at Eland House, formerly the Office of the Deputy Prime Minister, McDonald Engineers manufactured and supplied four dual coil POWERflow commercial calorifiers for the refurbishment project.
The 1320 litre calorifiers were designed to work with two fuel sources. A Heat Pump was being used as the primary heat source and the units were therefore fitted with a high efficiency copper heat exchanger, to maximise the heat transfer from the heat pump’s lower flow temperature. A back up heat exchanger, for a normal boiler was added, to supplement the energy when required.
In line with the latest recommendations from many heat pump manufacturers, both the cylinders and the coils were manufactured from copper. This provides significant benefits in terms of maximum heat transfer, as well as boasting superior bacteria killing properties.
McDonald Engineers’ Sales Director, Jamie Stewart, explained “As more projects aim to maximise the energy efficiency of the hot water system, we are seeing a rise in enquiries from companies installing heat pumps who recognise that copper can deliver superior results.”
He continued, ” Copper is fast becoming the material of choice for hot water systems using multiple fuel sources such as heat pumps. Copper’s thermal conductivity is almost 30 times greater than that of Stainless Steel. This means it can heat water to higher temperatures in a far shorter period of time.”
With access to the boiler room extremely limited by doorway space, but a specified amount of storage required, McDonald Engineers were provided with the maximum dimensions that would fit. The company ensured every millimetre was utilised, by manufacturing the cylinders to extremely tight tolerances. The Calorifiers were then lagged on site.
Jamie added, “The client was delighted with the end result and our ability to maximise the size, commenting that if there had been a coat of paint on the cylinder, it would not have gone through the door.”
For details on McDonald Engineers’ heat pump cylinders click here or contact us for more information
Unvented Cylinders Experience Dramatic Growth In Demand From Refurb Market
Filed under: Copper Cylinder, Unvented Cylinder, hot water cylinder
Unvented cylinder systems are now experiencing an unprecedented growth in the replacement market, as many installers recognising that a combi system isn’t always the best choice.
Since figures published by the Hot Water Association in 2008, showed that mains pressure hot water systems, reached close to half of the total hot water storage market, for the very first time, the growth has continued as changing demands favour the benefits offered by unvented systems.
Whilst combi systems can provide an instantaneous hot water solution, very few can exceed 20 litres per minute, or cope with demand from multiple outlets.
McDonald Engineers Sales Director, Jamie Stewart, explained ” Modern households are expecting their hot water systems to be capable of delivering more hot water, at higher flow rates, simultaneously to multiple outlets and with limited loss of performance.”
He continued, “As a result we have seen enquiries for our POWERflow 2000 unvented cylinder rise considerably from installers, house builders and local authorities who are beginning to question the attractiveness of the combi system. We have also seen a dramatic increase in sales of our THERMflow Thermal Storage Unit. This gives the benefits of Mains Pressure Hot Water at the tap, but with a Vented Store. This type of unit is ideal for all boilers and can also be used when people have an additional Solid Fuel heat source.”
To find out more about the POWERflow 2000 Unvented Mains Pressure and THERMflow Thermal Storage range, visit www.mcdonald-engineers.com, or contact our technical sales team on 01592 611123
Making Solar Water Heating Solutions Easy With SOLARsave
Filed under: Renewable Energy Cylinders, Unvented Cylinder, hot water cylinder, solar cylinders
McDonald Engineers has made solar hot water systems easy with its SOLARsave pre-plumbed unit which features a high performance dual coil copper cylinder with all the major components pre-fitted and pre-wired for a quick and easy installation.
Available in vented and WRAS approved unvented cylinders, the SOLARsave unit comes supplied with a Solar Differential Controller pre-plumbed to the solar coil. Simply connect the flow & return and solar sensor from the differential controller, along with a solar expansion vessel and relief valve and your solar system is ready to use.
McDonald Engineers’s Sales Director, Jamie Stewart, said “Whilst we have an extensive portfolio of expert solar installers who recognise the benefits from high quality copper cylinders in solar thermal solutions, we were receiving a growing number of enquiries from plumbing contractors who wanted a complete ‘plumb and go’ solution.”
He continued, ” SOLARsave not only makes the specification of the hot water system simple, the pre-fitted and prewired components dramatically reduce the installation time of the system, making it easy and accessible to a far greater number of installation contractors.”
McDonald Engineers also offers its full range of thermal stores, unvented cylinders and calorifiers now available with solar compatibility.
For more information visit www.mcdonald-engineers.com or call 01592 611123.
Taking Alternative Fuel Hot Water Solutions To A New Level
Filed under: Multifuel Hot Water System, Renewable Energy Cylinders, Unvented Cylinder
McDonald Engineers has been at the forefront of hot water systems for decades and, as well as an extensive range of products available for immediate despatch, have established a reputation in the market place, for being the specialists in bespoke hot water cylinders for multi-fuel and alternative fuel applications.
So when a specialist contractor was developing a pre fabricated toilet and wash block for a project being shipped to Africa, which needed to heat the water by burning the waste from the toilets in an incinerator, McDonald Engineers was their first port of call.
With the African climate requiring a comparatively lower level of hot water storage, McDonalds developed and supplied eight bespoke 75 litre POWERflow 2000 Unvented Cylinders to accommodate the fuel source, using its high performance coils for maximum heat transfer.
McDonald Engineers Project Manager, Dean Morrison, explained “Whilst we have manufactured a large number of bespoke cylinders with a multitude of fuels, from solar thermal to heat pumps, this is by far the most unusual fuel source we have ever worked with.”
He continued, “Most importantly the client is delighted with the end result and it goes to show the flexibility of the company, as well our ability to develop solutions that can transfer the heat from virtually any fuel source.”
To find out more on McDonald Engineers range of POWERflow 2000 unvented cylinders call 01592 611123 or contact us now.
Future Proof Your Hot Water System With an Unvented Cylinder
Filed under: Renewable Energy Cylinders, Unvented Cylinder, hot water cylinder
Many architects, installers and end clients are turning to unvented cylinders as a means of future proofing their project, due to the systems’ ability to work with renewable energy sources such as solar and heat pump installations.
An unvented cylinder can be either heated directly by electricity or indirectly from an auxiliary boiler, typically gas or oil fired, and can be linked to a solar thermal or heat pump installation. When installed with a new generation condensing boiler, as required under the current Building Regulations, and connected to a renewable energy source, CO2 emissions and energy consumption are reduced.
With the growing unpredictability of energy prices together with the growing movement towards a renewable energy culture, many are seeing unvented systems as a means of keeping their options open with regards to powering their hot water system.
McDonald Engineers, Sales Directors, Jamie Stewart, explained ” Both solar thermal and heat pump systems require hot water storage, such as an unvented cylinder and the perfect partner for these renewable technologies is a copper unvented cylinder with specifically developed solar or heat pump coils. Copper gives unrivalled heat transfer and maximises the benefits of solar and heat pumps”
McDonald Engineers’ POWERflow 2000 range is one of the UK’s leading unvented copper cylinder systems and the company’s experience and expertise in producing one-off systems, to meet the exact requirements of a multi-fuel solution, is highly respected in the heating sector.
Jamie continued, “We have been at the forefront of the industry when it comes to designing hot water cylinders that are compatible with solar energy and heat pump solutions. However it’s our unique ability to manufacture for large contracts and for one-offs, to our uncompromising quality standards and unrivalled lead times, that has enabled us to establish our enviable reputation in the UK market place.”
To find out more about McDonald Engineers extensive range of “Renewable Ready’ solutions visit www.mcdonald-engineers.com or call 01592 611123.
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