To qualify you must own your home or have the permission of the owner to do the work. You will also need to be receiving certain benefits to meet the quite complicated eligibility criteria. ECO varies by area.
Previous work has included replacement boilers, insulation, or improvements to harder to heat or solid walled properties. Arrangements are usually made by contractors, but sometimes by energy suppliers. You can contact your energy supplier directly. Some energy suppliers also offer improvements to households that are not their customers. More general information and advice on eligibility for the the Affordable Warmth Scheme is available from the Home Energy Scotland advice centre on 0808 808 22 82.