2017 May

Uponor, pipework, plastic, underfloor heating

Uponor, which provides sustainable solutions for heating, cooling, infrastructure and building-services applications, has moved its UK headquarters from Leicestershire to Watford. UK managing director John Fahy (pictured) says, ‘Our new headquarters provides us with space to grow and has allowed us to create a customer-experience centre where visitors can get to know our solutions first hand and gain insight into the projects we’ve helped to deliver worldwide.

DHW, Bosch, continuous flow

With hot water usage in hotels and leisure centres often characterised by extremely high peaks followed by longer periods of low demand, Pete Mills of Bosch Commercial & Industrial explains why a continuous flow system can often prove to be the most effective, efficient, and reliable option.

Sime, boilers, DHW

The Murelle One HE 25 kW wall-hung combination boiler from Sime features the elegance of the company’s signature Italian design. Premium-quality components include Giannoni’s condensing evolution stainless-steel and alloy heat exchanger with larger waterways. It is described as the most compact and energy-efficient boiler in the Murelle range.

Hoval, biomass, renewable energy, boiler, DHW

In replacing an existing inefficient boiler, Wooldown Holiday Cottages in Bude, Cornwall, has taken the opportunity to improve efficiency and reduce environmental impact by installing a Hoval BioLyt 36 biomass boiler to heat some of its holiday homes. Wooldown Holiday Homes was originally a full-board guest house but is now 16 properties operating as self-catering cottages.

Remeha, boilers, DHW

Remeha’s Gas 220 Ace floor-standing range of condensing boilers achieves Class 6 for NOx emissions and has an exceptionally high output for their physical size. There are four models with outputs from 160 to 300 kW and modulating down to 20% of full output. Gross seasonal efficiencies are up to 97.7%.

Rinnai, DHW, water heater

Rinnai offers inline electrolytic scale-inhibitors for its continuous-flow water heaters in commercial installations. They significantly reduce the effect of limescale to maximise efficiency over the product’s life and are described as a low-maintenance way to project against the damaging and expensive impact of limescale on hot-water systems.

Mikrofill, boilers, DHW

Upgrading the existing oil-fired LPHW and HWS circuits at a hotel operated by Amazing Venues group included the installation of four Mikrofill condensing boilers, two pressurisation packages and three Extreme HWS loading cylinders complete with unvented kits. The design for Stanbrook Abbey Hotel near Worcester was prepared by building-services consultants Energy Performance Solutions.

Reliance Water Controls, TMV, shower, timed flow, boilers, DHW

Balancing the need for safety with high-quality finish and practical design in changing and washrooms is a challenge for sports and leisure schemes. Nicki Cox of Reliance Water Controls explains.

Heatrae Sadia, heat recovery, DHW, shower

Heatrae Sadia has launched a horizontal shower heat-recovery unit (SHRU) to complement its vertical unit. The new unit is easy to install and can be fitting in new or existing properties. These heat-recovery units transfer heat from discharged waste water into the incoming water supply, reducing the energy need to heat water. The horizontal SHRU is up to 30% efficient.

Andrews Water Heaters, DHW

Andrews Water Heaters has updated and improved its long-established Size-it sizing tool for water heaters. It is now quicker, personalised and accessible online from any device to help specifiers select the most appropriate water heater from Andrews for a project

Lochinvar, DHW

Lochinvar’s EcoSword range of low-NOx fully condensing gas-fired water heaters achieve NOx emissions below 37 mg/kWh across the entire range, so each model qualifies for the maximum three BREEAM points available. There are nine models with storage capacities from 163 to 388 l and hot-water recovery rates from 210 to 540 l/h through a 50 K temperature rise. They are aimed at small commercial and large residential projects.

Riello, burners, boilers, DHW

These boilers at a high-profile Government site in Swansea have been given a new lease of life and brought up to the standard of any new boiler on the market with the replacement of their burners with dual-fuel burners from Riello. The site is managed on behalf of Telereal Trillium by Arthur Portelli of Oakbury Building Services Consultants..

Hamworthy Heating, anode, cathode, water treatment, boilers, DHW

How hard is it?

03 May, 2017

The quality of water in an area, particularly its hardness or softness, necessitates a range of approaches to preventing corrosion in water heaters. Kevin Potter explains what you need to know.

Rinnai, DHW, water heater

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.

Elco, boilers, DHW

Elco’s Trigon XL range of floor-standing gas-fired boilers achieves ultra-low NOx emissions complying with Class 6 (2018) requirements. There are seven models, with outputs from 150 to 570 kW, an 8 bar working pressure, 30 K ∆T and a very compact footprint.

Hamworthy Heating, Stainless Steel, boilers, DHW

Hamworthy Heating is taking its range of stainless-steel boilers and calorifiers, the ‘Stainless family’, to the road. Starting in June, the van will tour the country to show customers the benefits of stainless steel in the components of boilers and water heaters, as well as best-practice design for heating and hot-water systems.

solar-thermal, DHW, Stokvis

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.

Rinnai, DHW, water heater

Rinnai recently stepped in to ensure a recent BBC ‘Countryfile’ event in the grounds of Blenheim Palace had a plentiful supply of hot water for its catering outlets using Infinity continuous-flow water heaters. John Webster, managing director of Prestek Services, is experienced in providing water for outdoor events at Blenheim Palace and was called in to provide hot water to the various catering operations dotted around the grounds.

Potterton Commercial, boilers, DHW

Light commercial boilers with outputs from 40 to 70 kW can be used for a variety of light-commercial applications. But with so many models now on the market, how do you know if you are getting the right one for the job? Steven Evans of Potterton Commercial gives his top tips on the feature comparisons that will ensure you get the right boiler.

Trend Control Systems, hotels, hotel, BMS, BEMS

Hotels, by the very nature of their occupancy patterns, can be an energy-efficiency nightmare. Steve Browning of Trend Control Systems explains how a building energy management system (BEMS) can reduce expenditure on this resource while creating the perfect comfort conditions for guests.

Rinnai, DHW, water heater, BMS, BEMS

Rinnai continuous-flow water heaters can be fully connected with building-management systems across multiple platforms — including popular protocols such as Modbus and BACnet. No longer need water heaters be isolated in lonely plant rooms.

Feilo Sylvania, lighting, BMS, BEMS

Not only can modern approaches to lighting control in commercial buildings save energy, but they can significantly reduce the payback period — as Bastiaan de Groot of Feilo Sylvania explains.

Encon Insulation, pipework,  ductwork

Independent distributor Encon Insulation has set up a technical support team to work alongside its internal sales specialists and offer end-to-end technical advice from the earliest design stages of a project right through to on-site support and handover.

Grundfos Pumps

Grundfos Group has reported results for 2016 that saw net turnover increase and an improvement in earnings before interest and tax. Group president and CEO Mads Nipper (pictured) explained, It is estimated that the global pump market that we can serve remained flat in 2016. Our modest full-year sales growth means that we have bolstered our position as the globally leading pump-solutions provider.’

Viega, Megapress, press fitting, pressfitting, gas

Viega now offers its Megapress G pipe connectors in the UK, bringing the benefits of the Megapress technology to those working with gas installations. These cold-pressed connectors have been tested and Kitemark approved for natural gas, LPG, heating oil. diesel and compressed air containing oil and technical gases.

Danfoss, valve assemblies, flushing, Hero

Following the launch of its Hero assembly for fan-coil units last year, Danfoss has developed Hero Plant, a pre-fabricated flushing bypass arrangement for larger plant items such as air-handling units, heat exchangers and heater batteries. Hero Plant combines isolation, drain strain and flushing bypass assembly with Danfoss’s AB-QM pressure-independent control to create a ready-to-install solution that saves time on site and eliminates the need for hot works.

Airflow Developments, MVHR, heat recovery, energy recovery, ventilation, Passive House, Pasivhaus

Airflow Developments’ DV245 Adroit MVHR unit is Passive House certified and designed for larger homes of up to 400 m2. Airflow is up to 929 m3/h at 100 Pa. Units can be controlled from a PC, table or smartphone. An Adroit unit can also be connected into house automation systems through the Modbus protocol and via the Adroit digital controller.

air admittance valve, external, Studor, Wavin

Studor has responded to market confusion about air-admittance valves for drainage systems and whether they can be used externally positively. Technical director Steve White says, ‘Both our own Studor Maxi-Vent and the Wavin-branded Osmavent 110 can all be used externally. The latest BBA Agrément Certificates clearly state this and specifically refer to their external use.’

Nuaire, carbon filter, filter, IAQ, indoor air quality

Nuaire believes that its IAQ-BOX range of inline carbon filters is a step forward in both air-filtration and resistance levels for carbon-filter technology. These filters are designed to complement Nuaire’s MVHR range and remove 99.5% of nitrogen dioxide from the intake air, as verified by the BRE. They also remove pollutants such as sulphur dioxide, ammonia and VOCs — most of which are produced by vehicle exhaust emissions and through industrial processes.

Pegler Yorkshire, valve assembly, valve assemblies

Pegler Yorkshire has developed a service for delivering bespoke valve arrangement (modular valve solutions) with a fast response time to an order being placed with a merchant. The service aims to provide contractors with a bespoke modular-valve solution designed to specific drawings and required in a realistic time frame. Once an order is received from a merchant, a bespoke assembly can be delivered as early as seven days.




modbs tv logo

In August, MBStv talks to Stephen Lisk, president of CIBSE about the need to adapt to changes and how collaboration leads to better working. many more...

Part 1: Office of the future

Alan Jamieson of Peldon Rose discusses the changes and trends of building services within offices and the focus of wellbeing. 

Alastair Martin: The energy market right now

Chief Strategy Officer at Flexitricity expresses the current state of the energy market and the need for flexibility. 

Calendar