Quality Standards


ADVENDSOL LTD is an MCS (Microgeneration Certification Scheme) accredited Solar PV installer. CLICK HERE to see our certification.
Microgeneration Certification Scheme (MCS) is a nationally recognised quality assurance scheme, supported by the Department for Business, Energy & Industrial Strategy. It is managed by the MCS Service Company, a trading subsidiary of the MCS Charitable Foundation.
MCS certifies microgeneration technologies used to produce electricity and heat from renewable sources.
MCS is also an eligibility requirement for the Government’s financial incentives, which include the Feed-in Tariff and the Renewable Heat Incentive.


The Home Insulation & Energy Systems Contractors Scheme (HIES) is a consumer protection organisation covering the installation of renewable energy products. We ensure that consumers are dealt with professionally, courteously and sympathetically. Any products installed by HIES Members must be fit for purpose, installed professionally and come with comprehensive guarantees which are covered by specialist insurance providing consumers with a high level of protection.

Workmanship Insurance

All goods supplied be ADVENDSOL LTD are guaranteed by their manufacturer. The warranty information for each item is detailed in the contract documents that we provide. Any product damaged by ADVENDSOL LTD during installation shall be replaced free of charge.
We guarantee our workmanship for 2 years from the date of install.This workmanship warranty will be transferable to the new legal owner of the property if it is sold during the warranty period automatically. We recommend updating ADVENDSOL LTD on 01413376506 with the new details of the system owner.
Our workmanship warranty is insured under the HIES scheme. You will receive an individual policy document
confirming the details of the workmanship warranty insurance. Where there is a need to claim on a manufacturer’s warranty within the first 2 years we will make the claim from the manufacturer on your behalf and we will replace the faulty equipment free of charge under the manufacturers’ standard terms and conditions .

Deposit Protection Insurance

ADVENDSOL LTD provides HIES Deposit Protection Insurance which will cover any deposit you pay in full to a maximum of 25% of the total contract price. Customers should ensure that they receive a receipt from us, and the correct documentation from the insurance provider. These documents should be kept in a safe place. A HIES approved deposit indemnity policy will last for 90 days after the date of payment of the deposit or upon completion of the contract whichever is the earlier.