CHP, combined heat and power, Beata Blachut, SAV Systems
Beata Blachut

Sharing out the CHP

Maximising the percentage share that CHP contributes to a system designed to operate at low temperatures is essential for optimum performance. Beata Blachut explains.

HETAS
Brushing up on skills to ensure that chimneys operate safely and at optimum performance

HETAS urges sweeps to brush up on skills

The Heating Equipment Testing and Approvals Scheme (HETAS) is is urging chimney sweeps to brush up their knowledge and practical skills with the H009 Service and Maintenance Course ahead of the heating season. HETAS is the UK’s only specialist organisation approving biomass and solid fuel heating appliances, fuels and services.

Swegon

Swegon Parasol offers flexible approach

Swegon's Parasol is to all intents and purposes an active chilled beam, but in modular format with four way distribution. This means that not only does it have all of the features and energy benefits of a chilled beam, but with all the flexibility of fan coils.

Reznor
SolarWall in place on a Royal Mail facility

SolarWall technology taps into free warmth for buildings

Reznor has worked with building envelope manufacturer, CA Group to develop a technology that provides fresh, heated air for space or process heating, while reducing energy use.

Graham Hazell, Renewable Heat Incentive, RHI, Heat Pump Association
Graham Hazell

Heat of the moment

Graham Hazell provides an update on the Renewable Heat Incentive (RHI) scheme and looks at how proposed reforms could impact on the industry.

ICB, Chris Rigby, solar photovoltaics
Chris Rigby

Looking up for success

Rooftop solar photovoltaics remain a popular renewable choice for new build and retrofit projects. Chris Rigby explains why it’s important to plan the installation to make the most of roofspace and ensure that long-term maintenance is straightforward and safe.

MEES, Sharon Oliver, Minimum Energy Efficiency Standard, Enhanced Capital Allowence, ECA, Mitsubishi Electric
Sharon Oliver

MEES spells opportunity for efficiency upgrades

New energy efficiency regulations come into effect next year which could see thousands of commercial building landlords needing an upgrade to their building services. Sharon Oliver explores the issue and the potential solutions.

BESA, Building Engineering Services Association, solar, biomass, energy storage, renewable energy
The opportunities of energy storage — Tim Rook.

What’s in store for maximising the use of renewable energy?

Energy-storage technology is starting to transform the way buildings operate and opens up the possibility of a 100% renewable electricity system, says Tim Rook of BESA.

Finn Geotherm, heat pump, GSHP, space heating, DHW

Growing veterinary practice installs ground-source heat pumps

The ground-source heat-pump system installation to provide heating for the new premises of an expanding veterinary practice in Norfolk was specified and installed by Finn Geotherm. Hannah Kelly, owner of Wood Farm Vets, started the practice in 2014 to care for large and small animals. It originally operated from her farmhouse home in south Norfolk, but rapidly outgrew the premises, to the extent of the lounge becoming the waiting room.

BSRIA, renewable energy
Krystyna Dawson.

A turbulent picture of renewables in the UK

BSRIA’s Krystyna Dawson looks back over the last few years and wonders what the future is for renewable energy in the UK.

Rinnai, DHW, renewable energy

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.

CIBSE, heat pumps, surface water, renewable energy
Launching CIBSE’s code of practice earlier this year — Phil Jones.

Making a success of surface-water heat pumps

Surface water as a potential heat source for heat pumps abounds. Phil Jones would like to see it much more widely exploited.

Stokvis, solar thermal, DHW, renewable energy

Railway station trials solar-thermal for DHW

This solar-thermal installation at Birmingham International railway station is being assessed as a potential pilot for a wider roll out of renewable energy across facilities operated by Network Rail and train operator Virgin trains. The installation comprises 10 evacuated-tube collectors and pre-heats incoming mains water at a typical 10°C to around 35°C, although it is expected to reach 55 to 65°C in high summer.

Schwank, heat pumps, absorption heat pump, gas fired heat pump, renewable energy

Schwank offers gas-fired heat pumps

Schwank now offers high-efficiency gas heat pumps to deliver heating and cooling for industrial and commercial buildings. They are available through specialist distributor Oceanair. They are low on CO2 emissions and below the required standard for NOx emissions.

Lochinvar, heat pump, gas fired heat pump, absorption heat pump, space heating, renewable energy

Dementia care home chooses Lochinvar gas absorption heat pump

Renewable energy for a new 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.

NIBE, heat pumps, GSHP, ground source heat pump, renewable energy

Livestock markets expects huge return from renewable energy

An auction House in Northumberland is expecting to achieve £862 000 in energy savings and commercial Renewable Heat Incentive payments over the next 20 years after installing solar PV panels and a NIBE ground-source heat-pump system. The savings are expected to be more than double the original investment, with a return on investment of 236%.

Water-source heat pumps replace boilers

Water-source heat pumps drawing heat from a stream have been installed to replace two existing boilers serving Schaffer House in Crawley. Mitie, which is Crawley Borough Council’s housing-repair contractor, worked with Baystar, building-services engineers specialising in sustainable energy solutions.

Lochinvar, heat pumps, space heating, renewable energy
The march of heat pumps — David Pepper.

Low-carbon grid renews the case for heat pumps

The technical and economic arguments in favour of heat pumps are becoming increasingly persuasive, according to David Pepper of Lochinvar.

Oventrop, solar thermal, DHW, renewable energy

Oventrop supplies solar thermal installation for Jaguar Land Rover

Oventrop has been heavily involved with Arup, Interserve and NG Bailey to design (using OVSOL and TSOL software), supply and install seven complete solar-thermal systems to preheat domestic hot water for the new Jaguar Land Rover i54 facility — a £500 million engine-manufacturing centre in Wolverhampton.

Gilberts, natural ventilation, renewable energy

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.

Stokvis Energy Systems, solar thermal, renewable energy
Solar-thermal water heating can go a long way towards reducing the 30% of total running costs accounted for by energy in a typical sports centre.

Renewable energy at your leisure

Energy costs in a typical sports centre are second only to labour, accounting for as much as 30% of total running costs. Paul Sands of Stokvis Energy Systems explains how solar-thermal water heating can help cut energy usage and fuel bills in the leisure sector.

Kensa, space heating, GSHP, ground source heat pumps, renewable energy

Housing group replaces electric heating with ground-source heat pumps

With heating bills of up to £500 a month for electric panel convector heaters for 11 homes on a estate in Fressingfield, Suffolk, Kensa ground-source heat-pump systems have been installed following the housing provider Flagship gaining unanimous support for its plans at a consultation meeting with residents.

Daikin, Altherma, heat pumps, boiler, space heating, renewable energy

Performance of Daikin Altherma hybrid heat pump/boiler is assessed

The first Daikin Altherma hybrid heat pump to be installed in the UK, in a family home in Wigan, has achieved impressive performance figures and significant benefits in running costs. The system combines a gas condensing combi boiler and an air-to-water heat pump to create an efficient domestic heating and hot-water system that is ideal for replacing gas-fired boilers. The system has a capacity of 27 kW for central heating and 33 kW for hot water. The outdoor heat-pump unit has an output of 5 kW. The system replaced a gas combi boiler.

Hoval, renewable energy, biomass, boiler, wood chip, wood pellet, space heating
Understainding biomass boilers — Martin Murrish.

Getting the most from biomass boilers

To maximise the benefits of the biomass heating, specifiers and building operators need to address some key criteria — as Martin Murrish of Hoval explains.

SolarPV for major speculative project

Photon Energy has installed a solarPV system for one of the largest speculative office developments in the Thames Valley — 1 Forbury Place, Reading. It comprises 292 Upsolar 250 W modules to give a maximum power output of 73 kW. The project annual carbon saving is over 26 000 t. Five Huawei inverters convert the DC power from the solar panels into AC.

renewable energy, solarPV, photovoltaic, Navitron

Remote monitoring ensures solarPV system is performing

To maximise the performance of its 30 kW solarPV system and to be instantly aware of any problems, George Spencer Academy in Stapleford, Nottingham, has taken out a remote-monitoring and reactive-maintenance packages with Navitron. The contract runs for five years.

renewable energy, Rinnai, DHW

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.

renewable energy, Dimplex, heat pump, space heating
Time to consider the heat-pump equation.

The heat-pump equation

Commercial buildings must take an increasingly energy-efficient approach if they are to meet the standards required by ever more stringent Building Regulations and planning requirements. Clare Campbell of Dimplex looks at how heat pumps can help a project to tick all the right boxes — and cut costs too.

Solar means business

The adoption of solar PV on commercial buildings in the UK is well behind other countries. Brian Smithers of Rexel UK highlights the huge benefits solar can offer the UK’s commercial premises and why it’s surely time to join the solar revolution.

renewable energy, Dimplex, heat pump, space heating, DHW

Heat from sub-station transformers exploited by Dimplex heat pumps

The expertise of Dimplex’s renewable-heating design team came to the fore in the application of two ground-source heat pumps to use waste heat from transformers at a major National Grid sub-station to provide space heating and water heating for two adjacent buildings. The heat pumps heat the main sub-station building and a neighbouring environmental education centre.

renewable energy, Hitachi, free cooling

Free cooling for split air conditioning

Hitachi has brought free cooling to the split air-conditioning market with its Econofresh system. It can use outside air to provide free cooling when the temperature of the outdoor air is lower than that of the indoor air, enabling the compressor of the air-conditioning unit to be stopped.

renewable energy, Mitsubishi Electric, heat pump, space heating

A++ ErP label for Mitsubishi Electric’s Ecodan heat pumps

Mitsubishi Electric’s entire range of Ecodan air-source heating pumps has achieved A++ ratings under the first Energy-related Products (ErP) Directive ruling for heating products across Europe. The labels for heat pumps also indicate the three different climate zones in Europe, all of which occur in the UK. The directive came into force on 26 September.

Heat pump, Renewable energy, Smith's Fan Convectors, space heating
When heat pumps meet fan convectors — Jim Bennett

Maximising the performance of heat pumps with fan convectors

The capabilities of fan convectors as heat emitters make them well suited for use with heat pumps in maximising the use of renewable energy. Jim Bennett of Smith’s Fan Convectors explains.

renewable energy, Gilberts, natural ventilation

Gilberts louvres for natural ventilation

The Mistrale 75 series of louvres for natural ventilation from Gilberts of Blackpool is claimed to offer some of the lowest air-leakage rates and U values of its kind. It is also very slim — just 200 mm thick— and is designed for ease of integration into the external envelope of the building.

renewable energy, Hoval, biomass, space heating

Biomass replaces LPG for school heating

As part of its drive to improve sustainability and reduce carbon emissions, Stroud School in Hampshire has installed two Hoval biomass boilers. They provide space heating and domestic hot water for the main building and two new buildings. The school had previously used LPG boilers.

renewable energy, Lochinvar, absorption heat pump, space heating

Lochinvar introduces absorption heat pump

Lochinvar’s Optimus range of gas absorption heat pumps can deliver outputs of up to 41.7 kW and is capable of operating in ambient temperatures as low as -20°C. These heat pumps can achieve efficiencies of up to 152% with a flow temperature of up to 65°C for space heating and up to 70°C for domestic hot water.

renewable energy, Forest Fuels, biomass, wood chip, wood pellet, boiler, space heating
Act now to benefit from biomass boilers — Peter Solly.

Time to think bigger and quicker on biomass

Changes in the structure of the Renewable Heat Incentive highlight opportunities for bigger boilers in the building services sector, believes Peter Solly of Forest Fuels.

Euroheat, biomass, boiler, wood pellet, wood chip, renewable energy
Wood-chip installation at Croft Castle in Herefordshire

Achieving the true potential of biomass boilers

Against the background of a recent report that biomass boilers are achieving efficiencies that are too low for them to be promoted as a renewable source of energy, Dick Stephens of Euroheat argues that it is the sector that’s inefficient not the technology.

Mitsubishi Electric, heat pump, district heating, renewable energy
A game changer for heat pumps? — John Kellett.

Are open-water heat pump systems a game changer?

Many areas of high heat demand in England have an area of open water that could serve heat-pump installations. The DECC has produced a map, and Mitsubishi Electric has practical experience of the concept — as John Kellett explains.

Photon Energy, Integrated Solar PV, photo-voltaic, photovoltaic, renewable energy
Taplow Shopping centre integrates solar PV in 47 bays along the front of the shops.

Integrated solar PV systems

Integrating solar PV systems into the design of a building can deliver very elegant solutions, but they are far from common. Jonathan Bates of Photon Energy looks at the issues involved.

G&H installs biomass boiler

A biomass boiler has been installed at Harrogate Grammar School as part of a project to modernise its heating and hot-water systems. The project involved G&H Sustainability completely stripping out the existing plant room and stripping out old gas-fired boilers , water heaters, pumps and pipework.

Lochinvar, solar thermal, DHW, renewable energy

Lochinvar integrates solar and fossil-fuel water heating

Lochinvar’s EcoCharger hybrid range of water heaters is a closely integrated combination of solar thermal and conventional gas-fired water heating that minimises the use of fossil fuel and achieves efficiencies of 96% (gross) and low NOx emissions (Class 5).

Trend, natural ventilation, control, BMS, BEMS, renewable energy
Natural ventilation controlled by a Trend system is a key feature of the energy strategy of The Bright Building at the University of Bradford.

Trend keeps control of natural ventilation at University of Bradford

Contributing to the eco-friendly features of The Bright Building at the University of Bradford is a WindowMaster natural-ventilation system with an integrated intelligent window control package from Trend Control Systems. This building has a BREEAM ‘Outstanding’ rating and at the time of the award had the highest BREEAM design-stage assessment on record of 94.95%.

Tridium, Niagara, control, BEMS, BMS, renewable energy
Controls as the key to the success of renewable energy — Roger Woodward.

Taking control of your renewable technologies

Good control strategies are vital to gain the benefits of applying renewable technologies. Truly open protocols and an intelligent approach are the keys to success. Roger Woodward explains why.

Rehau, district heating, renewable energy

Anaerobic digestion uses Rauvitherm pipework

Gaunts Estate near Wimborne in Dorset is the site of three new district-heating schemes that are powered by three separate anaerobic digestion plants. Throughout the schemes, 1600 m of Rehau’s flexible, pre-insulated Rauvitherm pipework connects the anaerobic-digestion plants to the various farms, dwellings and countryside buildings on the estate.

Solar energy halves heating costs

Fuel costs for heating were more than halved following the retrofit of CA Group’s transpired solar collector to one of its existing buildings. The independent testing was carried out by BSRIA. and showed an annual saving of 304 MWh.

Rinnai, DHW, renewable energy

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.

CIBSE, Ashford, biomass, boiler, wood pellet, wood chips, renewable energy
Biomass boiler installations that deliver — Colin Ashford.

Delivering successful biomass-boiler projects

The emerging industry for biomass has been hampered by lack of specialist expertise and comprehensive technical guidance. Colin Ashford gives an insight into how a CIBSE application manual will help.

ICOM, condensing boiler, renewable energy, heat pump, DHW
Exploiting the advantages of various technologies — David Pepper.

Condensing boilers and renewable energy in harmony

Despite some suggestions to the contrary, condensing boilers have an important role to play in delivering energy-efficient space heating and domestic hot water. David Pepper of ICOM Energy Association explains why.

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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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