Duncan Power as well as local heating and air companies are responding to the first cold snap of the season.

Duncan Power Electric Utilities Director David Yeager said about 750 customers were without power for two and a half hours early Monday morning. The dramatic temperature change caused the insulation of a terminator, which connects above ground and underground power lines, to fail.

Yeager said the power was re-routed to a different source for the time being but they’re still working on a permanent fix.

“It’s common to have insulation fail when there’s a dramatic temperature change,” he said.

BB’s Heat and Air owner Bill Burns said he’s working on 18 heaters and has had to work overtime in the last four days to ensure people have heaters during the cold snap.

Burns said people should have their heaters checked and tuned up in the fall to avoid being put on a wait list when cold weather hits.

It’s cheaper to have a heater tune up before cold weather strikes, because customers avoid paying extra charges for longer repair time, he said.

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