Our proprietary NetZero score includes a wide range of data sources and factors to provide buyers with the best possible information to support their decision-making process when selecting a company to buy from.The ProtectBox NetZero score evaluates the company (rather than the product which is rated in the separate customer reviews section). The NetZero score assesses how environmentally responsible the company producing the product you are considering buying is in experts and our own opinions. How we calculate NetZero scores: Publicly available data Other data sources including energy efficiency ratings Data provided to us directly by suppliers
