Energy-efficient water heating for the Leigh Technology Academy at Dartford in Kent is provided by two gas-fired condensing water heaters from Andrews Water Heaters. Designed by BDP, the academy shows savings of 65% in carbon emissions compared to the DfSCF benchmark and a reduction of 30% against Part L of the Building Regulations.

Titanium Products now offers the Backersafe range of titanium-sheathed immersion heaters for domestic-hot-water systems in areas with hard or aggressive water. The design of these immersion heaters isolates them from the electricity supply if the primary thermostat fails with the contacts closed, eliminating the risk of boiling water.

Energy-efficient hot water and heating will be provided for a high-rise residential development in London’s Docklands by AquaCon heat-exchange modules from SAV Systems served by central boiler plant. Phase 1 of Indescon Court comprises some 350 apartments in five blocks up to 16 storeys high. There will also be 1200 m2 of retail and commercial space and a block of social housing.

Keeping hot water hot in an extensive DHW system can use a lot of energy — and water. Jonathan Jones gives an insight into the many benefits of trace heating.

Designed for interfacing with district/community heating networks are Alfa Laval AquaFlow and AquaStore (pictured) 2-port tap water heaters. They complement the existing 3- and 4-port models and can deliver large quantities of instantaneous or semi-instantaneous domestic hot water to buildings connected to a district-heating network.

Douglas Delabie’s Hydromix and Economix range of thermostatic mixing valves are designed to prevent scalding by reducing the temperature of hot water delivered to a bath, shower or bidet. They are approved under the BuildCert scheme and tested to TMV3 standard, meeting NHS Estates specification DO8.

Advance Appliances has developed a range of hot-water systems that are compatible with renewable heat sources. Users and specifiers of heat pumps, solar panels, wood-burning and biomass appliances can specify Advance thermal stores which are designed to maximise the potential for such forms of renewable energy.

Plumb Center offers a cost-effective range of unvented mains-pressure water heaters can be used with solar energy to save as much as 60% of the energy used with traditional water-heating systems. CenterStore Solar can be used with the wide range of solar systems available in the UK. The solar coil at the base of every twin-coil CenterStore Solar cylinder is specially designed to maximise heat input and efficiency from the solar energy.

Renewable energy can meet a significant proportion of a building’s requirement for hot water — but not all. David Pepper explains how renewable energy should be integrated with direct-fired water heaters.

Traditional approaches to balancing recirculating hot-water systems fail in their task as soon as a tap is opened. They also do not readily permit the satisfactory thermal disinfection of a system. David Corner explains a better approach.

Nic Mallinson reminds us of the dangers of hot water and calls for the wider use of thermostatic mixing valves.

Solar energy for hot water in commercial buildings is becoming increasingly touted as the way forward, says Bob Walsh

Mike McDonald explains how the flexibility and efficiency of central plant in developments such as apartments can be combined with individual control in each apartment.

David Pepper explains how direct gas-fired water heaters have an important role to play in reducing energy consumption and helping to exploit renewable energy.

Daikin Europe now offers a solar kit for its Altherma heat-pump systems for space heating in houses and the supply of hot water to generate domestic hot water using solar energy.

It takes only 5 s for the Inline ES instantaneous water heater from Zip Heaters to deliver temperature controlled hot water to its tap.

Pegler’s Pride range of bathroom brassware products offers basin, bath and bidet taps in a contemporary square styling.

The Dualstream system from GAH Heating provides a way of improving the performance of hot- and cold-water outlets in homes with a poor mains supply.

Instantaneous hot water at mains pressure will be provided in apartments of the redeveloped Highbury Stadium, the former home of Arsenal Football Club, by SAV AquaCon indirect modules served by central boiler plant. These modules will also provide independently controlled hot water for each apartment.

Chelmer Heating’s Ecocat high-efficiency water cylinder can accept input from a heat pump and also has another coil to accept heat from solar collectors for both heating and hot water.

Up to 17 000 l/h of hot water can be provided for the City of Belfast Playing Fields in Mallusk by water heaters supplied by Lochinvar.

Rhinos at Whipsnade Zoo are enjoying hot water generated by a solar thermal system for showers and heating their pool water. This vacuum-tube system also serves the heating coil of the air-handling unit.

Redring’s Aqualoy range of stainless-steel large unvented water storage heaters can deliver a flow of 55 l/m and can easily supply a power shower, thus avoiding the need for a separate pump. They now have a low-noise immersion heater in response to customer demand.