BSEN15232, controls, Carlo Gavazzi, energy efficiency
Proving the economic benefits of controls — Alan Hickman.

Making the business case for building controls

UK Plc needs to cut carbon, yet many businesses will be unwilling to invest in energy-saving technology in a tough economic climate. Alan Hickman of Carlo Gavazzi UK, argues how the BS EN 15232 standard can be used to reveal the true value of building automation in the battle to reduce carbon emissions.

IES component simulates Breathing Buildings’ hybrid ventilation system

IES and Breathing Buildings have developed a performance component for Breathing Buildings’ system of natural ventilation with heat recycling. It is available in the IES Virtual Environment (IESVE) software suite and uses IES Navigator technology to streamline and automate the integration of the component with the 3D building model. The NVHR Navigator includes guidance for Part L2 and provides automated CIBSE TM25 reportage.

Grundfos Pumps, energy efficiency

Grundfos delivers effective pump treatment for hospitals

Following an energy audit by Grundfos Pumps, a hospital trust with responsibility for three hospital sites has replaced over 90 obsolete pumps and is projecting energy savings of over 200 MWh a year.

Combat, space heating, heating, controls, BMS, zoning, zones, energy efficiency
Exploring the capabilities of heating controls for industrial and commercial premises.

Taking control of energy bills

With the various area of industrial and commercial premises having a diverse range of heating requirements, Nikki Goodman of Combat HVAC extols the energy-saving virtues of zoning.

Remeha, CHP, energy efficiency
Welcome antidote to the spark gap — Gary Stoddart.

CHP — a long-term relationship

As electricity prices continue to rise, the case for combined heat and power (CHP) grows stronger. However, the benefits of CHP can only be realised if systems are designed, installed and commissioned and monitored correctly. Gary Stoddart of Remeha CHP advises businesses on best practice before, during and after the installation of a CHP unit.

Gilberts, natural ventilation, energy efficiency

Maximising natural ventilation for science and IT areas in schools

Gilberts (Blackpool) offers a solution to maximise the benefits of natural ventilation in rooms such as IT suites and science laboratories in schools. Particular issues in such areas include heat from IT equipment and CO2 from Bunsen burners. Gilberts’ solution is its Mistrale Fusion (MFS) natural-ventilation system with the inclusion of enhanced and boost options.

air conditioning, chilled beams, energy efficiency

The big chill

With commercial building operators under pressure to reduce energy usage ahead of the upcoming Minimum Energy Efficiency Standards (MEES) deadline, now is the time to look for a heating and ventilation system that can make a significant contribution in the ongoing battle to improve efficiency ratings. Andrew Gaskell of the Chilled Beam & Ceiling Association (CBCA), explains why chilled beams represent a flexible and cost-effective solution.

Sabien, Endotherm, space heating, radiator, energy efficiency

Sabien distributes Endotherm energy-saving additive for heating systems

Sabien Technology is the exclusive UK distributor for the Endotherm energy-saving heating additive for commercial multi-site heating systems. The agreement with Endo Enterprises (UK) is to supply the additive, which has won a CIBSE award, for commercial boiler heating systems.

Air curtains, Airbloc, energy efficiency

Air curtains for warehouses save energy and improve comfort

Air curtains over or beside large doors in warehouses can cut energy loss through open doorways by over 80% — according to Airbloc, which supplies air curtains for such applications. Comfort is also improved. Internal temperatures can drop by 4 to 10 K every time a warehouse door is opened. With an air curtain, the difference is normally just 1 K.

Belimo, butterfly valve, actuator, energy efficiency

Belimo butterfly valves and actuators have zero leakage rate

Belimo’s new generation of butterfly valves and actuators for high-flow applications for HVAC and commercial applications achieve zero leakage at 200 psi (13.7 bar). These valves have large Cv values to achieve an economical valve solution for larger-flow applications using ANSI flanged piping systems. Typical applications include isolating chillers and boilers, primary bypass flow control, isolating cooling towers, controlling coils in large air-handling units and process-control heat-exchanger applications.

Dimplex, space heating, EPC, energy efficiency

New electric heating boosts EPC rating

Dimplex’s Quantum off-peak electric heating system has replaced outdated electric storage heaters in an industrial unit on a business park in Ashford, Kent, to improve efficiency and reduce running costs. The new heating system in the headquarters of Kent Invicta Chamber of Commerce has raised the Energy Performance Certificate (EPC) from F to E, making it compliant with the upcoming 2018 regulations on minimum energy performance standards for commercial buildings.

Swegon, demand controlled ventilation, ventilation, energy efficiency

Swegon’s demand-controlled ventilation has wireless control

Swegon’s Wise demand-controlled-ventilation system saves up to 80% of the fan energy and 40% of the cooling and heating energy in a building by supplying heating and cooling in the right amounts, at the right time to the right places. Software such as Swegon ESBO (early stage building optimisation) and the product-selection software IC Design provide decision-making support.

Rinnai, space heating, energy efficiency

O’Neil enjoys the Rinnai experience

Heating for St Mary’s Church in Saltcoats is more efficient and effective since the previous system was replaced with Rinnai 1004T gas-fired wall space heaters. Six heaters were installed, and Ross McWhirter, installation manager for O’Neil Gas Services, which installed them, says, ‘The biggest part of the job was lifting the floors and running gas and electricity supplies to the units.’

eSight, energy target, energy efficiency
Developing business confidence in energy initiatives — Catherine Kidd.

Decisions, decisions… the challenges of managing energy

Catherine Kidd of eSight Energy explains what you need to know to understand your building’s energy usage and improve it.

Lochinvar, heat pump, absorption, gas heat pump, space heating, energy efficiency

Dementia care home chooses Lochinvar gas absorption heat pump

Renewable energy for a care home in Derbyshire that specialises in dementia is provided by an integrated heating and hot-water system using a gas absorption heat pump from Lochinvar. Solar PV panels were originally considered for the Callywhite Home, but on inspection it was decided that an Optimus gas absorption heat pump was more appropriate for this type of project. It also met planning requirements at a considerably lower cost that solar PV, even taking into account the potential solar feed-in tariff.

Schneider Electric, metering, submetering, energy efficiency

How metering and monitoring boost energy efficiency

Regulations that require the detailed monitoring of energy consumption in buildings can drive energy-saving changes in practices and behaviours. Poonam Walid of Schneider Electric shares her experience.

Lindab, chilled beams, air conditioning, energy efficiency

Lindab chilled beams in landmark building

Lindab’s Solus chilled-beam system was chosen to deliver energy-efficient climate control for a landmark building in Sweden — the Round House in the Munksjöstaden district. Pairing Solus with renewable-energy sources such as free cooling and ground-source heat pumps can achieve energy savings of up to 45%. The system includes nearly 600 Solus chilled beams and the entire ducting system. Pascal VAV system are being used in areas where the heating load can change very quickly, such as conference rooms.

Grundfos Pumps. energy efficiency

Grundfos gets into the picture

When a Grundfos Energy Check of an art gallery in central London highlighted a number of obsolescent and inefficient pumps, they were replaced and reduced annual energy consumption by almost 22 MWh.

Gilberts, ventilation, natural ventilation, energy efficiency

Maximising natural ventilation for science and IT areas in schools

Gilberts (Blackpool) offers a solution to maximise the benefits of natural ventilation in rooms such as IT suites and science laboratories in schools. Particular issues in such areas include heat from IT equipment and CO2 from Bunsen burners. Gilberts’ solution is its Mistrale Fusion (MFS) natural-ventilation system with the inclusion of enhanced and boost options.

Air curtain, Airbloc, energy efficiency

Air curtains for warehouses save energy and improve comfort

Air curtains over or beside large doors in warehouses can cut energy loss through open doorways by over 80% — according to Airbloc, which supplies air curtains for such applications. Comfort is also improved. Internal temperatures can drop by 4 to 10 K every time a warehouse door is opened. With an air curtain, the difference is normally just 1 K.

Remeha, CHP, combined heat and power, energy efficiency
CHP as a major energy and cost saver — Gary Stoddart.

CHP to help create a greener NHS

The UK's healthcare sector spends more than £400 million a year on energy so it’s no wonder that the NHS takes the issue of energy efficiency very seriously. Plans to create a more sustainable NHS can deliver more-energy-efficient estates and deliver savings that can be reinvested into frontline services at a time when budgets are being squeezed. Gary Stoddart of Remeha looks at the role CHP has to play in giving the NHS a cleaner bill of health.

Extending the energy-efficiency capabilities of VRF systems

The heat-recovery and heat-pump capabilities of a VRF system can be exploited to deliver more than air conditioning — with substantial energy-efficiency benefits. Andy Slater of LG explains how.

Nordair Niche, ventilation, space heating, energy efficiency

The effectiveness of combining heating and ventilation

Proper ventilation is essential to maintaining good air quality in any environment. There’s no excuse for poor air circulation, especially since, when it can be effectively integrated with the heating system, as Dave Garvey of Nordair Niche explains.

Inprova Energy, energy audit, energy efficiency
Getting ahead of politicians — Michael Dent.

Putting energy efficiency first to fast-track action on climate change

The UK Government may be slow in translating climate change commitment into detailed action, but Michael Dent of Inprova Energy, explains how businesses can step into the breach by thinking energy efficiency first.

Priva, BMS, BEMS, controls, Energy efficiency
Enjoying the benefits of a BMS — Gavin Holvey

Breaking down the benefits of effective control

Carefully-specified building-management systems can have a dramatic impact on the energy efficiency of modern buildings — and the good news is that an increasing number of businesses are now catching on to the benefits, writes Gavin Holvey of Priva UK.

Elco Heating Solutions, boilers, space heating, Energy efficiency

Evolution never ends

With boilers hitting the ceiling of achievable efficiencies, Gavin Watson of Elco Heating Solutions, discusses the importance of a solid controls strategy, the careful consideration of the heat-exchanger material, plus the ongoing refinements in commercial boiler design.

Lindab, chilled beams, Energy efficiency

Lindab chilled beams in landmark building

Lindab’s Solus chilled-beam system was chosen to deliver energy-efficient climate control for a landmark building in Sweden — the Round House in the Munksjöstaden district. Pairing Solus with renewable-energy sources such as free cooling and ground-source heat pumps can achieve energy savings of up to 45%. The system includes nearly 600 Solus chilled beams and the entire ducting system. Pascal VAV system are being used in areas where the heating load can change very quickly, such as conference rooms.

Advanced Air, fan coil unit, Energy efficiency

EC motor enhances Advanced Air fan decks

The EC (electronically commutated) motors in Advanced Air’s horizontal fan deck have a chip developed by Nailor, the company’s American parent, which gives a pressure-independent unit and makes the fan-coil self balancing so that no commissioning is required on the air side.

Smiths, heat pump, space heating, Energy efficiency

Heat pump is paired with Smith’s fan convectors

EcoPowerad fan convectors from Smith’s have been paired with an air-source heat pump for a new heating system to replace an oil-fired boiler and radiators in a home in Norfolk. The fan convectors have been installed in downstairs rooms, with traditional radiators upstairs in the bedrooms.

Micronics, flowmeters, Energy efficiency

Micronics flowmeters help survey heating system at Heathrow

Micronic flowmeters have been used at Heathrow Airport’s Terminal 4 to survey energy usage in the heating system. The facilities staff at the terminal have a 5-year plan running to 2019, entitled Quinquennium 6, which includes the redesign of the medium-temperature hot-water system, which previously ran at 120°C. The requirement was to run the system at a lower temperature to be more cost effective, more environmentally friend and — crucially — safer.

Albion Valves, Energy efficiency
Buildings and services in harmony — Paul Wightman.

Striving for better building performance

The 2016 Olympic Games and the ultimate in performance aimed for by the athletes prompts Paul Wightman of Albion Valves to apply the same philosophy to buildings and their services.

Stokvis Energy Systems, boilers, space heating, DHW, Energy efficiency
Maximising the capabilities of wall-hung condensing boilers — Paul Sands.

Getting the best performance from commercial boilers

Modern boilers are very efficient, but that efficiency can be compromised by poor system design and control. Paul Sands of Stokvis Energy Systems considers the options for improving boiler efficiency in new and refurbishment situations.

SenerTec, CHP, Energy efficiency
The dangers of ‘10% for luck’ — Gary Stoddart.

The importance of not over-sizing CHP

Following research revealing that commercial buildings in the UK may be producing 3.8 times more carbon than estimated at their design stage, Gary Stoddart of SenerTec, explains how to avoid CHP contributing to the problem.

Cloudfm, lighting, LEDs, Energy efficiency

Lighting replacement cuts costs for Wolseley

Renovating lighting in its national distribution centre is achieving energy savings of over £150 000 a year for distributor Wolseley UK. The savings come from an overhaul of lighting infrastructure inside and outside its main warehouse in Leamington Spa and surrounding offices. Supported by FM company Cloudfm, the quality and quantity of lighting was assessed to look for alternatives to reduce energy use and maintenance.

Mitsubishi Electric, Energy Efficiency, chillers, air conditioning
Delivering the benefits of modern chillers — Seb Desmottes.

Chillers for the future

Chillers are tried, tested and trusted products with a stable market — but face challenges from new technologies. Seb Desmottes of Mitsubishi Electric explores how they must evolve.

Energy Efficiency, Sabien Technology, boilers, dry cycling

Dundee Hospital tackles boiler dry cycling

Preventing boiler dry cycling at the King’s Cross Hospital in Dundee has achieved average fuel savings of 7% with a payback of 1.8 years. Sabien Technology verified the savings for its M2G boiler-load optimisation controls for NHS Tayside.

Rinnai, Renewable energy, DHW, hot water, Energy efficiency

Rinnai water heaters team up with renewable energy

Rinnai’s continuous-flow water-heating solutions can work with renewable-energy sources such as solar-thermal and air-source heat pumps. The concept is that the water heater tops up the temperature of stored water heated using renewable energy — but only when required.

EcoCooling, evaporative cooling, data centre, Energy efficiency

EcoCooling stresses the benefits of evaporative-cooling systems

EcoCooling’s evaporative-cooling systems use 90% less energy than mechanical cooling systems and have been widely installed in industrial, commercial, data-centre and manufacturing applications. The company has been supplying and distributing evaporative coolers for 15 years and has over 3000 installations worldwide.

Mikrofill, boilers, space heating, DHW, hot water, Energy efficiency

Mikrofill replaces boilers in CHP plant at Bedford Hospital

The replacement of existing CHP plant at Bedford Hospital includes boilers supplied by Mikrofill. The three Ethos boilers each have an output of 130 kW and will primarily serve the hospital’s HWS demand. They are configured to provide heat into the main system when hot-water requirements are at a minimum.

Grundfos Pumps, Energy efficiency

Grundfos flags up substantial pump energy savings for hospital

Following an assessment by Grundfos Pumps of the current pump set-up and associated energy usage at a 700-plus-bed hospital in the north west of England, a programme of pump replacement indicated energy savings of nearly 430 MWh a year. The recommendation was to replace a number of end-suction and in-line pumps with more efficient models.

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Welcome to Modern Building Services Online, the web edition of Modern Building Services (MBS) journal and the UK's most popular Building Services engineering site. Modern Building Services covers the entire Building Services Engineering industry. This site contains archived content from the journal, plus web-specific content.

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