Editorial policy
Quick answer
Every factual claim on this website is checked against a named primary source, such as HMRC, Ofgem, MCS or a network operator, before it is published. We review figures regularly, date our pages, and correct mistakes quickly. We do not publish figures we cannot verify or invent claims to fill gaps.
Last updated:
Every factual claim on this website is checked against a named primary source before publication. We do not publish figures we cannot verify, and we do not invent claims to fill gaps.
How we check facts
VAT relief is verified against HMRC VAT Notice 708/6. Export tariff information comes from Ofgem's SEG register and individual supplier rate cards. Inverter lifespan data is sourced from NREL and manufacturer specifications.
How often we review
VAT and export tariff information is reviewed at least quarterly. Cost guides are reviewed every six months against current supply-and-fit quotes. The fault code database is updated when new firmware versions introduce new codes.
Who reviews
Scottish Energy Efficiency Technical Team
We install through MCS-certified partners.
Corrections
If you believe any figure on this site is incorrect or out of date, please email info@scottishenergyefficiency.co.uk with the page, the figure in question, and the source you believe is correct. We will verify and update within 48 hours.
What we do not do
- We do not publish unverifiable performance claims
- We do not present generated images as real installations
- We do not guarantee savings, export income, or payback periods
- We do not quote specific finance terms on this website
Last reviewed: October 2026.