Latest articles on Willis solar siphon 
Subway restaurants in Northern Ireland cut hot water costs with Activair air source heat pump(12/03/2009)
The franchisee for a chain of Subway restaurants in Northern Ireland found it could cut the annual cost of providing hot water in a typical restaurant following trials of Trianco's Activair air source heat pump (ASHP). The company that operates franchises on a network of nine Subway restaurants in Northern Ireland called in Belfast-based company The Energy Centre to monitor electricity usage and suggest more efficient and environment-friendly options. Gordon Laverty, managing director of R... [more]
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