cairn.eco

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Cairn.eco develops software that helps accelerate the transition to low-carbon homes. Our platform enables heat pump installers to perform fast, accurate heat loss calculations and design efficient heating systems with ease. We aim to expand into solar PV, battery storage, and other renewable technologies, giving installers the tools they need to deliver sustainable, energy-efficient homes more quickly and confidently.

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“We pledge to support positive change for the planet and to be honest when sharing information on environmental actions.”
Jun 30, 2026
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