The Smile controller from Honeywell is a new solution for weather-compensated heating control in buildings too small for a BMS but too large for domestic units.

The user panel has a large back-lit LED display and a single-rotary control that is also a push button. This makes it easy to select, change and confirm set values and times – and difficult to make mistakes. Smile is suitable for use with all types of heat generators, including oil, gas and wood burning boilers, solar collectors and district heating exchangers.

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Building Sustainable Design