It was the third straight win at home for the Predators, who scored two power-play goals in the first period.

Sullivan gave the Predators a 1-0 lead at 7:42. Standing beside the left goal post, he lifted the puck over Colorado goaltender Vitaliy Kolesnik as he was stretched out face down in the crease. Nashville took a 2-0 lead at 9:02 when Zidlicky scored on a wrist shot from just inside the top of the left circle, putting the puck over the right arm of Kolesnik.

The Avalanche closed to within 2-1 on Pierre Turgeon's goal at 16:20 while Colorado had a two-man advantage.

After a scoreless second period, the Predators extended their lead to 3-1 on Hartnell's goal at midway through the third period. He stole the puck from Colorado's Brett Clark at the blue line, skated in one-on-one and went top shelf on Kolesnik.

With less than two minutes left to play, John-Michael Liles scored to get Colorado within a goal, but the Avalanche couldn't tie it.

Game notes
Sullivan has a goal in each of his last four games. The Avalanche have scored at least one power play goal in each of the last eight games in a row, a total of 12 during that span. ... The Predators have 16 victories at home, the most in the NHL.