We found the culprit to be two giant fans which are responsible for circulating the hot air from the gas furnace to either side of the house. They are loud enough that you can hear them turn on from the second floor. They only come on for a few minutes at a time, but in that time period they guzzle electric energy at an astounding 2.5kW..

Nine's new ''investigative'' program is being promoted as their new ''premium brand current affairs brand'' for 2014, but really, at least so far, it's tawdry true crimes poorly re enacted and stretched to their limit over 60 minutes. Women, apparently, love these real life crime stories, although the women featured in tonight's episode, Lethal Lovers, are repeatedly referred to as ''evil adulteress women with an insatiable lust for lethal lovers''. The victims of tonight's crimes in this story of ''terrible betrayal'' are two regular Aussie blokes whose wives were committing adultery and convincing their respective lovers to kill their husbands.