0% VAT on solar, battery storage & heat pumps until 31 March 2027

Resources

Plain-English UK renewable energy resources

Everything we'd want to know before buying a solar, battery, EV, heat pump, boiler or AC system in 2026. Glossary, tariff comparisons, grant routes, calculators, 42 deep-dive blog posts. Free, no email gate.

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June 2026

The weekend the grid paid you to use electricity

Wholesale electricity went negative for nine hours across all 14 UK regions on Saturday. The real regional data — and how to actually cash in.

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May 2026

Worcester Bosch vs Vaillant Boiler UK 2026: Which Brand to Choose

Worcester Bosch vs Vaillant — UK 2026 honest comparison from a Gas Safe installer who fits both. Spec, warranty, real-world reliability, hydrogen-readiness.

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May 2026

Combi vs System vs Regular Boiler UK 2026: Which One for Your Home?

Combi, system or regular boiler — which one's right for your UK home in 2026? Honest decision guide covering household size, water pressure, hot water demand and future heat-pump pathway.

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May 2026

When to Replace a Boiler vs Repair It: 2026 UK Decision Guide

Should you repair your old boiler or replace it? Honest 2026 decision framework — age, repair cost, efficiency loss, fuel-cost projections and the heat-pump alternative.

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May 2026

Boiler vs Heat Pump for UK Terraced Houses 2026: Honest Decision Guide

Boiler or heat pump for a UK terraced house in 2026? Honest decision guide covering heat-loss patterns, outdoor unit placement, radiator constraints and the BUS grant maths.

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May 2026

Air Conditioning Cost UK 2026: Single Room vs Whole House

What air conditioning actually costs in the UK in 2026 — single-room split systems from £1,500, multi-zone whole-house from £6,000. Honest pricing by brand, room count and install complexity.

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