Research / Topic
Real running costs, system design, installation decisions and practical advice for warmer homes.
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The collection
Showing 13–15 of 15
The legal PDR noise limit is 42 dB(A) at your neighbour's window — but the quietest models on the market now operate at 32 dB(A), quieter than a library. Verified manufacturer specs, Quiet Mark rankings, real-world acoustic physics, and the £9,000 grant that makes a premium quiet unit financially viable.
A no-spin account of fitting a heat pump in a 1960s terrace. Hot water cylinder logistics, microbore pipework replacement, and a real-world winter COP of 2.44 documented.
A 10-year cost comparison: kerosene oil vs air source heat pump for an off-grid Cornish farmhouse. Detailed financial model for rural homes off the gas grid.
Independent-minded guidance
Written by Mark Anthony Haines, with over a decade in UK renewable energy. We work from published policy, industry data and real-world performance, and explain the assumptions behind the numbers.
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