The Business Behind EnergyGuide. Power is the second most expensive cost for most households, yet few homeowners think much about it. The Business Behind EnergyGuide. Power is the second most expensive cost for most households, yet few homeowners think much about it. The Business Behind EnergyGuide.
Power is the second most expensive cost for most households, yet few homeowners think much about it.
The Business Behind EnergyGuide. Power is the second most expensive cost for most households, yet few homeowners think much about it.