ESI Controls is a UK-based manufacturer specializing in innovative, energy-efficient heating and hot water controls. Established in 2008, they offer a wide range of user-friendly products, including smart thermostats, programmers, and zone valves, designed to help homeowners and commercial properties reduce energy consumption and lower bills. With a focus on quality and value, ESI Controls provides reliable solutions compatible with most heating systems, often featuring advanced technologies like OpenTherm and Wi-Fi connectivity for enhanced control.

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