We recieved our Home Energy Audit Rebate last week for $150 from the Government of Ontario. So the total out of pocket expense to have the audit completed was only $150. Really, there is no reason not to have a home energy audit done if you live in an older home. The most common air leakage problems can be fixed with caulking, weather stripping and plug covers, and you will make back the $150 you spent in saved energy bills in just a couple of years. Plus you'll have the moral beneift of reducing your greenhouse gas emission footprint.