Trading Standards officials at Comhairle nan Eilean Siar are reminding residents in the Outer Hebrides to contact Home Energy Scotland on 08088 082282 when considering buying energy saving measures including solar panels, insulation and new boilers.
Home Energy Scotland will give impartial, independent, free advice.
Consumers should also be suspicious of companies which request payments by bank transfer. In most cases you will have extra protection against fraud or poor service when purchasing goods or services costing £100 or more by paying using a credit card.
Consumers should also avoid companies who do not offer 14-day cancellation rights - as required by law - when purchasing from home.
To report suspicious selling or contact Trading Standards call 01851 822694