City officials were also in support of the idea, but were meeting with Gwartney later in the week for a more detailed explanation of the plan.
Director of Public Works Will Cole said he didn't think there were any city codes or ordinances that would prevent the project from moving forward.
"Generally speaking, with such low voltage, permits are not required," he said, emphasizing that he had not met with Gwartney to learn specifics.
"I don't know of anything prohibitive," he said. "But the Yum Yums building is still on everyone's mind and I know we'd need to be cautious...but this project should have a positive effect on the community."
Jacksonville Fire Chief Paul White said he was not aware, either, of any codes that would adversely affect the light campaign and that as long as the lights were weather-rated and low voltage, he didn't see a problem with the plan.
City Manager Mo Raissi is also in support of the project, calling it a "good idea" for the City of Jacksonville and stressed that he would be meeting with the Chamber and with Gwartney later this week for more details.
Business owners at the meeting also suggested lighting up the Landmark building on the corner of East Rusk and South Jackson Streets and also the Greenhouse Mall, just east of the Landmark.
"The whole point of this is to unify Jacksonville," Gwartney said.
The Chamber's goal is to have lights on the downtown area, with 100 percent participation by all businesses, by the Nov. 16 Christmas On Commerce event.