Heating is one of the largest energy expenses for most homes in the US. A home’s energy efficiency depends greatly on interaction of the following factors: air sealing, insulation, moisture control and ventilation, and a properly functioning heating system. To reduce your home’s heating costs all these factors should be in good working order because if one of these underperforms, the rest suffers. Insulation Majority of older homes have less insulation compared to the ones built today. This is an overlooked yet important part of reducing the costs: get areas of your home insulated. A professional can help you with the pricing details and other information on these.