Can I run a gas line from our basement furnace to a garage furnace?

Answered by Brett Kulina ~ April 14, 2012 ~ No Comments

My husband wants to hook up a new furnace in our detached garage, but currently there is no gas line to the garage. He has dug a trench from the house to the garage and wants to install a new gas line. Is this safe? Any tips? Thank you.

Brett Kulina

Although your project sounds simple enough, you must contact your natural gas provider so that they can inspect your utility service and determine if it is okay for you to extend a gas line from your house to your garage. Some utility companies will not let homeowners do any work on service runs (even digging trenches), while other utility companies have no problem with DIY projects. One determining factor for your project is going to be the size of the existing primary gas line that runs from the street to your gas meter. If the size of the gas line is big enough, then the utility company may just install a "T" after the meter base, which would extend gas service to your garage via a new gas line. If the existing service line is too small to supply both the house and the garage, then you may have to upgrade the size of the gas line or install a second gas service and meter. Either way, the gas provider should be the only one determining which is the best way to proceed with your project.

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