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How do I choose a solar installer?
The Energy Saving Trust recommends getting at least three quotes from MCS-certified installers. Businesses carrying out MCS installations must belong to one of two consumer codes approved by the Chartered Trading Standards Institute, the Renewable Energy Consumer Code (RECC) or HIES, which give you access to alternative dispute resolution if something goes wrong. Check the certification yourself on the MCS website rather than relying on a logo.
Under the Renewable Energy Consumer Code, a deposit must not be more than 25% of the estimated cost, and deposits and other advance payments together must not be more than 60%. Deposits and advance payments must be insured, so the work can be completed by another member if the business fails. Check which consumer code your installer belongs to, because HIES sets its own rules.
The Renewable Energy Consumer Code says that for contracts made away from the business's premises, for example in your home, you have 14 days to cancel without penalty, running from the date the last of the goods is delivered. Members must not install during that period without your express written permission and must refund your money within 14 days of cancellation.
What paperwork should I get after a solar installation?
The Renewable Energy Consumer Code requires members to hand over full operating and maintenance instructions and signed commissioning records, including the MCS certificate, a compliance certificate and the invoice, and says these cannot depend on you paying in full. You should also get confirmation that your network operator has been notified, and the warranties for the panels, inverter and any battery.
What guarantee should I get on a solar installation?
Members of the Renewable Energy Consumer Code must give a workmanship guarantee of at least 2 years at no extra cost, which transfers to a new owner and is backed by insurance in case the installer stops trading. Panels, inverters and batteries also come with manufacturers' warranties, which do not reduce your rights under the Consumer Rights Act.
Can a solar installer pressure me to sign on the day?
Members of the Renewable Energy Consumer Code must not use selling techniques designed to pressure you into an immediate decision. The code bans, for example, visits lasting more than two hours, inflated prices followed by a sudden 'discount', and unrealistic projections of future energy prices. Be wary of any installer who does these things.