Smart Lightbulbs and WIFI enabled thermostats can dramatically decrease heating and electricity bills.
WIFI-connected bulbs can be switched off remotely when the house user doesn't require light.
These bulbs tend to be a higher price point and for two Smart lightbulbs can cost €70.
Andy O’Donoghue Tech Journalist joined the Last Word to discuss.
Catch the full chat by pressing the Play button on this page.