How we review products
Our review process, how we test and evaluate solar panels, inverters, batteries, heat pumps and EV chargers using real-world performance data, not manufacturer claims.
Solar panel reviews
Independent reviews of solar panels available in the UK, comparing efficiency, warranty, degradation rates, temperature coefficients and value for money.
Inverter reviews
Reviews of string inverters, microinverters and hybrid inverters from brands including GivEnergy, SolarEdge, Enphase, Solis, Fox ESS and Huawei.
Battery storage reviews
Independent reviews of home battery systems available in the UK, comparing capacity, cycle life, warranty, app quality and compatibility with solar setups.
Heat pump reviews
Reviews of air-source and ground-source heat pumps from manufacturers including Vaillant, Daikin, Mitsubishi, Samsung, Nibe and Grant.
EV charger reviews
Reviews of home EV chargers available in the UK, comparing smart features, build quality, app experience, price and solar integration capability.
Boiler reviews
Reviews of the most popular gas boilers in the UK, comparing efficiency, reliability, warranty terms, noise levels and value for money by brand.
Our rating system
How our five-star rating system works, what each score means, how we weight different factors and why we sometimes disagree with manufacturer claims.
Review update schedule
How often we update our reviews, what triggers a re-review and how we handle new product launches, firmware updates and specification changes.
Suggest a product for review
How to suggest a product for us to review, what we look for when choosing which products to cover and how manufacturers can submit products for testing.