Uploaded June 2026 | Updated September 2026, 2 weeks ago

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Johnny Heat Wave is a menace! He spends all summer spreading his cruel heat across the land. There's only one person who can stop his advance, MRCOOL! It’s the ultimate 8-bit boss battle, and MRCOOL is coming equipped with the easiest DIY Heat Pump installation in the game. With a few quick connections, it’s GAME OVER for Johnny!

Learn more about how YOU can save the day this summer at mrcooldiy.com!