Homeowners: The ECO4 Scheme is aimed toward homeowners. Tenants can apply with landlord’s permission if they qualify. Landlords can encourage their tenants to use (both of those get-togethers really need to concur). No. The ECO funding useful for your free boiler also handles the set up of your boiler as https://freeecogrants.co.uk/how-pensioners-enjoy-a-comfortable-living-with-eco-grants-uk/