Lennox continues move to R410A refrigerant

The Lennox Aircoolair ducted split range of air-conditioning products is now available using R410A with capacities from 19 to 134 kW. This range comprises split and multi-split units for cooling-only or heat-pump operation. They are said to be 15% more efficient than R407C models. Eurovent data published at the beginning of 2007 rated them as the quietest units on the market. Free-cooling options are available, and units can be provided with or without exhaust or return fan.
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Lighting the way

Halesowen College has set a sustainability example for higher education institutions by installing smart lighting as part of its latest environmental initiative, making up to 85% energy savings compared to the previous system.

BESA updates HIU Test Standard

The Building Engineering Services Association (BESA) has announced an important update to its UK Heat Interface Unit (HIU) Test Standard, further strengthening performance benchmarks and supporting the sector’s readiness for incoming heat network regulation.