If you're looking for anime similar to Detective Conan: Solve the Mystery of Heatstroke!, you might like these titles.
Fudou Academy's Hajime Kindaichi is the grandson of the famous detective Kousuke Kindaichi. Though he often appears to be lazy in school and clumsy, he is actually a modern-day genius with an IQ of 180. Together with his childhood friend Miyuki, Hajime solves the most unsolvable murder mysteries with ease and grace. From missing students to wax museums, there's no case that Hajime Kindaichi can't solve!
Tachibana Sakon is a skilled puppeteer with an unusual hobby: solving murders. Along with Ukon, a one-of-a-kind puppet made in the Meiji era, Sakon manages to find himself in a variety of life-threatening situations. Join the duo as they put their detective skills to the test in terrifying cases of revenge, malice, and murder.