There's a renewed plea for members of the public to check on elderly neighbours, to ensure they're warm enough and have food in the house.
The icy pavements have stopped many older people venturing outdoors since the snow fell last week and there are concerns those worried about fuel bills may turn down the heating.
Cold weather advice just issued by the DHSS says the temperature in main rooms during daytime should be 21 degrees, while 18 degrees is the ideal level for the bedroom.
Good insulation helps stop heat escaping and elderly people are being invited to send for Age Concern's 'energy doctor' for a free check on their homes.
Chief Executive Penny Creighton says it's proved a great success so far this winter.
The Age Concern energy doctor can be contacted on 613044.