It took two votes Monday before the Brainerd City Council officially expressed an interest in an alternative underground energy source.
The concept taps into the city's sewer pipe and uses an exchange system to heat and cool buildings.
Brainerd reached a new daily high temperature Monday, taking part in a heat wave sweeping across the country that's rewriting record books.
Temperatures rising above 100 degrees were common as AccuWeather.
Arrowwood Lodge is the new name of The Lodge at Brainerd Lakes in Baxter.
The name change came with new owners as of June 19. U.S. Hotel & Resort Inc. purchased the hotel and water park from Commerce Bank in Edina.