RESIDENTS are urged to be on their guard against bogus callers.
Sheffield Homes has issued an alert, warning people to beware of visitors claiming to be from Macrow Energy or Macrow Engineering.
In a statement, the housing management company said: “This company is visiting tenants and offering insulation from Sheffield Homes and Sheffield Council.
“This company is not working on behalf of us. Tenants that are having work done will receive a letter. The contractor is Carillion and when they call they will be carrying photo ID.”
People with queries should call 0114 293 0000.