BSRIA, VRF, VRV, chillers, tall buildings, air conditioning
Positive indications for the future? David Garwood.

Gauging trends in the UK air-conditioning market

Focusing on project-completion trends in 2016 provides evidence for what drove sales of large commercial air-conditioning products such as VRF and chillers and explains why there was only marginal growth, as David Garwood of BSRIA explains. He then gives an outlook for the years ahead.

Advanced Air, FCU, fan-coil unit, air conditioning

Fan-coil units come pre-commissioned

Advanced Air can now deliver fan-coil units that are pre-commissioned in the factory with the setpoints for water and airflow established so there is no need for any on-site commissioning. The company has entered into an agreement with Belimo and Advanced Air’s control specialist to design and develop a simple EPIV/Delta control package (EPIV is an electronic pressure-independent valve).

Panasonic, VRF, air conditioning

Panasonic equips Heal’s refurbishment project

Cooling and heating for the refurbishment of the Heal’s building on London’s Tottenham Court Road to provide offices over five storeys is provided by the Panasonic ECOi VRF system. Occupants include companies such as Netflix and Deliveroo. Consultants Cundall worked with Easy Air Conditioning to design and install the system.

Toshiba, warranty, air conditioning

Toshiba breaks new ground by managing warranties online

Toshiba has developed an online commissioning and warranty system for air-conditioning installations which will deliver significant cost and time benefits to end users, installers and service companies. It is administered by Toshiba, and customers and installers can log onto the system from a smart phone, tablet or PC to access comprehensive data on installed equipment at individual plant or building level right up to a national estate.

ICS Cool Energy, chillers, air conditioning
Long-lasting efficient operation — Brent Hall

Top 6 water-treatment tips for lasting chiller performance

Chillers are the backbone of commercial and industrial cooling systems across the country. However, they are not a ‘fit-and-forget’ solution, Brent Hall of ICS Cool Energy highlights some easy ways to look after a chiller to ensure it lasts 10 years and more and performs as efficiently as possible.

Mitsubishi Electric, R32, split systems, VRF, air conditioning
The logical refrigerant for the future — Carl Dickinson.

Why R32 refrigerant is the intelligent choice

Not only is the global-warming potential of R32 much lower than the refrigerants it is designed to replace, but a smaller charge is needed — two wins for the price of one refrigerant. Carl Dickinson of Mitsubishi Electric discusses why R32 is the logical fit for the HVAC industry.

Advanced Air, air conditioning, Fan-coil unit, FCU

Fan-coil remote display module

Among a series of fan-coil designs from Advanced Air is a remote display module (RDM). It is mounted on the cover of the control box for easy access without having to remove screws or bolts. Commissioning is made much easier, and the fan coil can be commissioned without the BMS being completed. It also provides a cross check between what the BMS is displaying and what is actually happening within the fan-coil unit.

Toshiba, frost, defrost, air conditioning
Maximising heating performance — Neil Wooldridge.

Taking control of frost build-up

The build-up of frost on the outdoor coils of air-conditioning systems in heating mode can interrupt the provision of heating and use a significant amount of energy to melt it. Neil Wooldridge of Toshiba Air Conditioning explores the issue.

Coolair uses aluminium refrigeration piping for hotel renovation

Air-conditioning installer Coolair Equipment used Reflok’s aluminium piping and compression-jointing system to install a Mitsubishi Electric VRF system to provide heating and cooling for all 360 bedrooms of the Sheraton Grand London Park Lane hotel. This approach avoided the brazing operations association with copper tube.

Mitsubishi presents R32 Mr Slim at same price as R410A

Mitsubishi Electric is preparing to launch R32 versions of its Mr Slim range that will be available at the same price as the equivalent R410A units. R32 has a GWP (global warming potential) of 675, compared with 2088 for R410A, and the new Mr Slim units are also more efficient. The new range will be available from July 2017.

Johnson Controls, oil, air conditioning

Johnson Controls responds to counterfeit-oils issues

Johnson Controls has responded to concerns about a rise in counterfeit oils for compressors being placed on the market by offering a range of branded authentic York lubricants. Lubricants are a key component of chillers and mechanical cooling systems, protecting wear surfaces, ensuring long life, maintaining leak tightness and, not least, ensuring proper performance and efficient operation. They also play a vital role in reducing corrosion, which can quickly result in serious internal damage and/or mechanical breakdown.

Cooltherm, Mitsubishi, chiller, air conditioning

Retrofit chiller boosts efficiency for Cardiff Uni

Cardiff University has upgraded chilled-water air conditioning in one of its buildings with the installation of a Mitsubishi E-Series chiller by Cooltherm. The Cooltherm team in Wales designed a bespoke turnkey chiller plant to provide the most efficient and low-carbon system as possible.

Hitachi, VRF, air conditioning

Hitachi VRF controller avoids cold draughts

Hitachi Air Conditioning’s CS Net control system prevents the temperature of air from System Free indoor units used as part of a Set Free VRF system creating cold draughts in by not letting the air flow become too cool. This off-coil protection feature works with System Free indoor units which have an air-on thermistor, air-on thermistor, liquid thermistor, gas thermistor and electronic expansion valve.

Toshiba, VRF, air conditioning

Toshiba launches 3-pipe VRF system

The launch of Toshiba’s latest 3-pipe heat-recovery VRF air-conditioning system, SHRM-e, builds on the success of the SMMS-e VRF system, which had an ESEER (European Seasonal Energy Efficiency Rating) of over seven for all capacities. Developments in key technologies in the latest system include the compressor and intelligent control system — supported by incremental improvements in almost all system components. R410A is the refrigerant.

LG, air conditioning

LG Artcool units heat and cool home refurbishment

LG multi-split air conditioning provides the primary heating source as well as cooling in the warmer months of the year for the imaginative refurbishment of a Victorian detached home in the south of England close to the M25. Other features of the refurbishment include triple-glazed windows, condensing-boiler back-up heating system, underfloor heating downstairs and high levels of insulation. There are also solar panels on the south-facing roof.

Advanced Air, FCU, fan-coil unit, air conditioning

Advanced Air enhances its reversible FCUs

The universal truly reversible fan-coil unit developed by Advanced Air can have its handing easily changed in the factory or on site and now incorporates further refinements to speed up the process. Prewired looms for right-hand and left-hand mounting of the control box are included as standard. Push-fit connections ensure that electrical connections are easily and quickly made in production or when changing the handing in the factory or on site.

Waterloo Air Products, variable air volume, air conditioning
Meeting demand — Luke Bigg.

Taking control of the air supply

Luke Bigg of Waterloo Air Products explains the benefits of putting variable air volume (VAV) at the heart of a building’s air movement system.

David Garwood, BSRIA, residential air conditioning, air conditioning
Sustained market growth — David Garwood.

Growth in construction impacts on air conditioning

Whichever market sector David Garwood of BSRIA looks at, especially in London, he sees growth in the air-conditioning sector for the next three years.

Lindab, chilled beam, air conditioning

Lindab chilled beams in 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.

Climate Center stocks R32 in all its branches

Climate Center claims to be the first distributor to stock the low-GWP refrigerant R32 in every branch — amounting to 45 branches nationwide. R32 is a single-component refrigerant with a GWP of 675, considerably lower than the 2088 for R410A. The investment coincides with Daikin and Toshiba launching R32 air-conditioning ranges.

Advanced Air, FCU, fan coil unit, air conditioning

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.

Flakt Woods, chilled beam, air conditioning
Fläkt Woods’ Wega II chilled beam makes it easy to change an office layout.

Enjoying the chilled-beam experience

Since their introduction to the UK in the 1970s, fan-coil units (FCUs) have provided air conditioning to thousands of commercial buildings. However, there is another option to consider, which delivers energy efficiency and, importantly, flexibility — namely the chilled beam. Yan Evans of Fläkt Woods explains why it’s time to move on from the FCU.

Toshiba Air Conditiioning, VRF, air conditioning
Continuing advances in VRF air conditioning — Neil Wooldridge.

A history of ever-growing efficiency

Despite being a relative newcomer to the air-conditioning market, VRF continues to make significant advances. Neil Wooldridge of Toshiba Air Conditioning takes up the story.

Trox, laboratory, fume cupboard, air conditioning
Energy-efficient laboratories — Ian Thomas.

Air control as the key to energy-efficient labs

Laboratories with fume cupboards can benefit from demand-controlled ventilation — with major savings on the volume of air handled and conditioning it. Ian Thomas of Trox UK explains.

Cloudfm, Mitsubishi, warranty, air conditioning

Cloudfm offers 10-year warranty on Mitsubishi Electric equipment

Facilities-management provider Cloudfm can offer a 10-year warranty on Mitsubishi Electric air-conditioning equipment managed on behalf of its clients. The service comes after Cloudfm became a business solutions partner with Mitsubishi, which enables it to offer an extended 7-year warranty. Cloudfm will underwrite a further 3-year warranty on all new equipment and parts for Mitsubishi Electric air-conditioning products in the UK

Lindab, chilled beam, air conditioning
Fan-shaped diffusion pattern.

Optimizing the design of active chilled-beam systems

Active chilled beams are finding increasing use in office and commercial buildings. They use a variety of solutions for air diffusion, adjustability and efficiency. By combining these in a smart way and adding new thinking, the optimal chilled-beam design can be achieved. Professor Göran Hultmark of Lindab explains.

Hitachi, cassette, air conditioning

Hitachi improves its range of mini cassettes

Hitachi’s RCIM FSN4 range of mini cassette air-conditioning units has heating outputs from 1.9 to 8.5 kW in a VRF system. The air panel has a new, simple and stylish design. Its dimensions have been reduced by 80 mm compared with the previous 620 mm square, so it can be installed into a 600 mm-square ceiling opening.

AET, underfloor air conditioning, air conditioning

London refurbishment features underfloor air conditioning

As part of the full structural reconfiguration and refurbishment of 33 Glasshouse Street in central London, AET Flexible Space is supplying underfloor air conditioning. The building has a Grade 2-listed facade and is being refurbished to form larger, open-plan floor plates and Cat A office accommodation on floors three to seven.

Trane chillers use HFO

Trane’s Sentesis eXcellent range of air-cooled chillers use HFO R1234ze as the refrigerant, which has a GWP of less than one when used in this design. These chillers offer capacities from 500 to 1260 kW. Applications include data centres, hospitals, and large office buildings.

Discreet comfort

Refurbishment projects often require effective control of comfort conditions within strict aesthetic constraints. Rinus Groenewald of Unico explains why small-duct high-velocity air-conditioning systems can offer a discreet alternative to other solutions.

Toshiba, R32, air conditioning

Toshiba brings R32 systems to UK

Toshiba latest generation of luxury residential air-conditioning systems are based on refrigerant R32, which has a much lower global-warming potential (GWP) than the commonly used R410A. The GWP of R32 is 675, compared to 2088 for R410A. In addition the charge of R32 can be 30% less than for R410A for the same cooling capacity.

Johnson Controls plans for R513A as drop-in replacement for R134a

In response to growing legislative pressure to use refrigerants with lower GWPs, Johnson Controls has made the decision to enhance its HFC product lines by confirming that all screw and centrifugal chillers (air-cooled and water-cooled) will be fully future-compatible with R315A. This refrigerant is an HFC/HFO blend and has a GWP of 631. It is suitable as a drop-in replacement for R134a, which has a GWP of 1430. It has a low toxicity and is not flammable.

air conditioning, Carrier, chiller

London project sees the first use of new Carrier chiller

The first installation of Carrier AquaForce chillers equipped with variable-speed inverter-driven screw compressors delivers air conditioning for two office developments at 1 and 2 New Ludgate in central London. The 30XAV 950 chillers are equipped with Greenspeed intelligence to help deliver excellent part-load performance.

air conditioning, Reznor, packaged HVAC

Reznor moves into packaged HVAC equipment

Reznor has launched its first packaged HVAC set. The P125 packaged unit provides heating, cooling and ventilation for commercial and industrial applications. It is a complete standalone solution that provides energy-efficient cooling and heating with the ability to supply fresh air and extract air.

air conditioning, underfloor air conditioning, AET

Underfloor air conditioning provides flexibility for Centrica Energy headquarters

Underfloor air conditioning based on the AET Flexible Space approach is proving a flexible and modular approach for heating and cooling the Aberdeen headquarters of Centric Energy, a leading oil and gas company in the UK. The £45 million IQ building provides 13 766 m2 of office accommodation. It has a 4-storey atrium and double-height atrium with large, flexible floor plates.

air conditioning, Powrmatic

Powrmatic offers Midea air conditioning units

The Mission range of high-wall heat-pump split-system air conditioners from Midea Air Conditioning Group are available in the UK through Powrmatic. Cooling capacities are 2.3 and 3.5 kW. They come with an infra-red remote controller and can also be controlled via Wi-Fi.

air conditioning, Lindab, chilled beams

Lindab chilled beams deliver energy-efficient climate control in Sweden

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.

air conditioning, Fujitsu, Commissioning

An installation is not complete without commissioning

The difference between a newly installed air-conditioning system working perfectly or not at all can be down to a methodical commissioning process, says Martyn Ives of Fujitsu.

air conditioning, Toshiba, training

Toshiba demonstrates its training facilities in Manchester

Toshiba Air Conditioning recently joined forces with installer BL Refrigeration to host a 2-day training event at Toshiba’s new state-of-the-art training centre in Manchester. It was attended by staff from consultants Arup, Cogan & Shackleton and WYG, all based in Belfast.

The next stage of refrigerant phase-out/phase-down

Refrigerants have been an environmental issue for many years. Having dealt with CFCs and HFCs, the pressure now moves on to HCFCs, with R32 being seen as solution. Ken Sharpe reports.

air conditioning, Panasonic

Panasonic takes off at GE Aviation

The latest stage of the long-term programme to replace HVAC systems to improve energy efficiency at the aviation headquarters of GE Aviation involved the installation of Panasonic’s recently developed PACi range of indoor and outdoor units. Eight PACi Elite 14 kW units were installed outdoors, with four under-ceiling units and four wall-ducted systems indoors. A further 28 kW of PACi cooling technology has been installed in the factory. R410A is the refrigerant.

air conditioning, Panasonic, control

Panasonic develops cloud-based control

Panasonic Smart Cloud is a cloud-based control solution that enables businesses to manage their cooling and heating systems remotely via a smartphone or PC. It can optimise operations and performance across multiple sites. Automated alerts and error messages are provided in real time

air conditioning, Airedale, Barkell, AHU

Airedale and Barkell deliver cooling solution for ACC Liverpool

Airedale and AHU manufacturer Barkell worked with the M&E contractor to design and engineer an energy-efficient and resilient cooling solution for the latest addition to ACC Liverpool, currently home to BT Convention Centre and Echo Arena.

air conditioning, Marflow Hydronics, valve sets, fan coil units
The reasons for not using prefabricated valve sets — Oliver jones.

The perks of prefabrication

Even though using prefabricated valve sets in water distribution systems saves time and money and can make life a lot easier for those on site, they’re still not the obvious choice for many contractors and installers. Oliver Jones of Marflow Hydronics tries to find out why.

air conditioning, Daikin UK, SEER, seasonal efficiency
Delivering seasonal efficiency — Graham Wright.

Air conditioning for all seasons

Attention to the seasonal energy efficiency and accurate sizing of climate-control systems is one of the keys to meeting the requirements of Government legislation and energy schemes, says Graham Wright of Daikin UK.

air conditioning, Klima-Therm, chiller, Gree, SolarPV

Solar energy meets air conditioning

A major Chinese manufacturer is demonstrating how to use solar energy to power large-scale air conditioning. Roberto Mallozzi and Tim Mitchell of Klima-Therm look at the significance.

air conditioning, Mitsubishi Electric, SCOP, SEER, seasonal efficiency
Control as a key factor to improving energy efficiency — Scott McGavin

The growing pressure to boost energy efficiency

Mitsubishi Electric’s Scott McGavin looks at what legislative changes mean for building operators and manufacturers, and how improvements in design and controls are helping increase seasonal efficiencies and performance.

air conditioning, BSRIA, chiller, Turbocor, FCU, fan-coil unit, VRF
Market prospects — David Garwood.

The UK market for air conditioning heats up

Unlike much of the world, the UK air-conditioning market was buoyant last year, but there might be a tough year ahead. David Garwood of BSRIA looks at the statistics.

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