The UK energy research library
Clear-eyed guides to solar panels, heat pumps and home energy. Real numbers, policy explained, and the detail that matters before you commit.
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Assess roof condition, structural loading, shading, usable area and safe access before planning solar panels for a commercial building.
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Compare commercial solar installation quotes by capacity, generation, roof checks, grid connection, warranties and ongoing support—not panel count alone.
A smaller solar array may suit a small business better than filling its roof. Compare daytime use, export and marginal returns with an illustrative example.
Heat pump warranty aftercare can protect the unit without guaranteeing a winter visit. Learn who covers faults, call-outs and workmanship before signing.
Can solar panels on a rental property justify higher rent or attract tenants? Compare bill savings, batteries and heat pumps without assuming a green rent premium.
Your heat pump installation quotes comparison can show the same unit but different jobs. Check design, exclusions and grant assumptions before choosing a price.
A defrost cycle on a heat pump can look like a breakdown. Learn which winter sights are normal, which ice patterns need an engineer and what to avoid.
Do solar panels work in winter? See why a UK annual solar estimate can make normal December output look like a fault, and which quote questions reveal the truth.
Smart thermostat for heat pump installation: can you keep your boiler controls? Compare on/off and modulating controls, weather compensation and zoning before signing.
What size solar battery do I need? A 4 kWp array cannot answer that. Compare usable capacity, evening demand, winter surplus and power before choosing a quote.
A solar panel roof survey checks more than panel space. Learn what installers should assess, when an engineer may be needed and which quote questions matter.
Air source heat pump installation leasehold flat: owning your home may not mean owning its outside wall. Check consent, English planning rules and grants first.
Practical energy guidance
Explore guides by our editorial team and industry contributors. We work from published policy, industry data and real-world performance, and explain the assumptions behind the numbers.
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