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.

National Energy Foundation, Energy efficient building systems, energy efficiency
Little excuse and every opportunity for reducing energy use and costs — Kerry Mashford.

Energy-efficiency insights

The many poor operating practices that the National Energy Foundation comes across provide a sound basis for improving the energy efficiency of building-services systems — as Dr Kerry Mashford explains.

The role of small scale CHP in energy-efficient buildings

A 30% reduction in CO2 emissions and attractive payback on investment are just two attractions of small-scale CHP. Chris Marsland of Ener-G Combined Power Ltd takes up the story.

Services play key role in delivering BREEAM ‘Excellent’

CHP, natural ventilation and LED lighting are just some of the services installed to deliver an energy-efficient cultural centre for Brent Council. Jai Rennison of LJJ has the details.

Hoval, boiler, control, Energy efficient building systems, energy efficiency

Hoval brings simplicity to sophisticated control

Hoval’s TopTronic system controller for Hoval boilers, calorifiers, heat pumps and other heat sources can control one or more multiple conventional and low-carbon heat sources with a single unit or in cascades of up to eight units. It eliminates the inconvenience and risk of trying to work with different controls for different appliances and system configurations.

Sabien, boiler, dry cycling, Energy efficient building systems, energy efficiency

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.

Powerstar, voltage optimisation, Energy efficient building systems, energy efficiency
The energy-savign benefits of voltage optimisation — Dr Alex Mardapittas.

Fewer volts means using less energy

The supply voltage in the UK is often higher than required by much equipment, increasing energy consumption unnecessarily. Dr Alex Mardapittas of Powerstar discusses how voltage-optimisation technology addresses this issue.

LG, VRF, air conditioning, Energy efficient building systems, energy efficiency
Matching the need for heating and cooling —Lee Snook.

Putting VRF air conditioning at the heart of energy efficiency

Not only is VRF air-conditioning equipment becoming ever-more efficient at its main task, but the integration of ways to use its reject heat further improve overall energy efficiency. Lee Snook of LG explains how.

Andrews Water Heaters, DHW, hot water, Energy efficient building systems, energy efficiency
The virtues of separating heating and hot water — Chris Meir.

Why two is better than one

While energy efficient products can have an undeniable impact on the performance of a building’s heating system, the way that the system is designed can play an equally important role. Chris Meir of Andrews Water Heaters discusses how separating heating and hot water generation can be the key to greater savings.

Rinnai, DHW, Energy efficient building systems, 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 by renewable energy — but only when required.

Mitsubishi Electric, heating, cooling, heat pump, Energy efficient building systems, energy efficiency
The energy versatility of heat pumps — Richard Venga.

Energy in the loop

Why deliver heating and cooling as separate services when a single heat-pump system can do both — asks Richard Venga of Mitsubishi Electric.

Reznor, heating, control, Energy efficient building system, energy efficiency

Heating costs under control

Reznor’s SmartCom intelligent energy-management controller is compatible with radiant-tube, warm-air and many other types of heating system. It is straightforward and easy to use and has a wide range of energy-optimising features.

Lindab, chilled beam, climate control, Energy efficient building systems, energy efficiency

Lindab chilled beams deliver energy-efficient climate control in Sweden landmark building

Lindab’s Solus chilled-beam system has been 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.

Airbloc, air curtain, Energy efficient building systems, 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.

Gilberts, natural ventilation, Energy efficient building systems, energy efficiency

Natural ventilation contributes to energy efficiency of Pontio

Natural ventilation using Gilberts (Blackpool)’s Mistrale ventilation louvres are helping the £49 million Pontio arts and innovation centre in Bangor achieve high environmental standards. Pontio (Welsh for bridge) aims to link art, science, the university and the local community through its provision of cinema, and design and innovation centre in a single building located between the main university buildings and the city.

SAV, CHP, Energy efficient building systems, energy efficiency

SAV contributes to energy efficiency of housing regeneration

SAV’s LoadTracker CHP (combined heat and power) units and Danfoss FlatStation heat-interface units have been specified for the Aylesbury Site 7 development of 162 apartments, part of a phased regeneration of the Aylesbury Estate in the London Borough of Southwark. The apartments will be served from an energy centre, which will house the two LoadTracker XRGi 20 modulating CHP units.

Bosch Commercial and Industrial, district heating, community heating, Energy efficient building systems, energy efficiency
The importance of detail — Pete Mills.

A considered approach to district heating

With many specifiers and contractors working on large-scale residential buildings yet to reap the benefits of large-scale heat networks, Pete Mills of Bosch Commercial and Industrial, explains the important role of CIBSE’s code of practice for heat networks to help the effective integration of boiler plant in a district-heating scheme.

Gilberts, natural ventilation, Energy efficient building systems, energy efficiency

Natural-ventilation system boosts BREEAM design rating

Gilberts’ Mistrale natural-ventilation solution has played a key role in Filwood Business Park in Bristol achieving BREEAM ‘Outstanding’ at design stage. The system was able to balance a fresh internal environment with minimal ingress of noise from the busy roads around the site.

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