Method One. You can estimate your annual volume from your annual budget or expense report for natural gas. We use the following unit costs for gas:
Method two. The gas volume estimator for homes. This lets you estimate your annual gas volume by answering a few simple questions about your home. It will take about 3 minutes. This only works for a home or an office located in a house
Before you simply guess
This number is often printed on your gas bill once or twice a year.
You can contact your gas utility and ask for a usage history.
The average volume for a residential home in Ontario is 3,500 m3/year
The average volume for a residential home in Alberta and Manitoba is 4,000 m3/year, which is 150 GJ/year.
The average volume for a residential home in Maryland is 2,500 m3/year, which is 900 therms, or 890 ccf.