Independent UK comparisons
Home energy, compared on the numbers.
Solar, batteries, heat pumps and plug-in kits, side by side — the specs, prices and payback that decide whether they're worth it.
- 79
- products
- 6
- topics
- 44
- brands
- 11
- guides
No sign-up · updated July 2026
Browse by topic
Solar
10 productsPanels, inverters & rooftop systems
CompareBalcony Solar
9 productsPlug-in kits & batteries for flats and renters
CompareHome Batteries
8 productsStore cheap off-peak power — with or without solar
ComparePower Stations
21 productsPortable power: EcoFlow, Anker, Bluetti, Jackery
CompareHeat Pumps
8 productsAir & ground source heat pumps + the £7,500 grant
CompareAir Conditioning
23 productsPortable units & fixed splits — cooling that also heats
CompareEnergy Tariffs
soonOctopus Agile, EV & export tariffs
Run the numbers
Start with the question, not the product.
Solar payback calculator
What a roof install saves, and when it breaks even
OpenBattery sizing calculator
How many kWh of storage your usage actually justifies
OpenBalcony solar savings calculator
What an 800W plug-in kit earns, with or without a battery
OpenHeat pump running cost calculator
Heat pump vs gas boiler on your actual tariff
OpenAir con sizing calculator
What size air con your room needs, in BTU
Open