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Sellers

The sellers we read

Installers and energy companies that publish their own prices. Paying and non-paying sellers are read the same way and listed the same way.

01Reviews

Seller reviews and comparisons

Each review is built on the seller's own pages and our dated readings, and says where it loses.

02Sellers

16 sellers, A to Z

Each page shows the seller's latest prices across our specs and where each sits among the others.