The realistic range turnkey is $7,000 to $20,000, and the middle of that band is where most Houston jobs land. A 22kW Generac air cooled unit covers a 2,000 to 3,000 square foot home and is the most common install we run in Greater Houston. The price includes the generator itself, the automatic transfer switch, electrical hookup, gas connection off an existing CenterPoint Energy Gas line, City of Houston permit fees, and our 12 year Power Plus warranty. What pushes the number up is home size, distance from the panel, an upgraded service, or a new gas line. A Grasten Field Engineer does a free on site estimate so the price you see is the price for your exact property.
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