Timmy was a witty heating and air conditioning professional who never missed a chance to crack a joke! One day, he was called to a home to install a newfangled smart control unit. The homeowners were extolling its virtues, claiming it could control the temperature of their abode from their mobile devices. Timmy was enthusiastic to get his hands on it and see what the fuss was all about, as he was putting the smart control unit together, he observed a riddle inscribed on the packaging. It said, “What’s the difference between a heating and air conditioning professional as well as a smart control unit?” Timmy chuckled to himself, thinking, “This sounds like a challenge.” He decided to call the homeowners and tell them their smart control unit was malfunctioning. They instantly panicked as well as inquired about what was wrong. Timmy replied, “I do not know, it keeps saying, ‘You’re too warm to handle.’” The homeowners laughed as well as lauded Timmy’s sense of humor. Timmy replied, “Well, that is the difference between a heating and air conditioning professional as well as a smart control unit, we think how to keep things cool as well as the jokes hot.” Days passed, as Timmy was still thinking about the riddle, and he could not get it out of his head. He decided to solve it by himself. Timmy pondered, “What’s the difference between a heating and air conditioning professional and a smart control unit?” Suddenly, he got it! He realized that a heating and air conditioning professional could not replace a smart control unit because a heating and air conditioning professional could repair it if the unit broke down. On the other hand, a smart control unit could not maintain itself. One day, Timmy was called to maintenance a faulty heating and air conditioning system. As he was tinkering with the unit, he accidentally broke it. Timmy was in deep trouble. He needed to find a way out of this mess. That’s when he remembered the riddle he had solved earlier. He told the homeowners, “Don’t worry, I am a heating and air conditioning repairman who knows how to repair things! Unlike a smart control unit, I will not let you down.” The homeowners smiled, as well as Timmy breathed a sigh of relief.