While buyers are looking for bigger homes in Tennessee, they're also looking for shrinking utility bills.

Area builders such as Gooddall Homes, Regent Homes, and Pulte Homes are relying on more energy saving features to wow buyers, like programmable thermostats, low E glass, tankless water heaters and Energy Star appliances.

So many of Goodall Homes’ customers wanted to know about energy-saving features that the company built what it calls an Energy Room at its model home in Franklin’s Waters Edge subdivision.

“People can see behind the walls and see the energy-saving elements,” said Rachael Overall, the company’s director of marketing.

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