A s a do-it-yourself (DIY) enthusiast, you may be able to paint a room, install a ceiling fan, or even change the oil in your car. But heating, ventilation and air conditioning (HVAC) installation and repairs should be left to the professional licensed HVAC dealer! Creating comfortable indoor temperatures is a delicate balancing act between equipment, air flow, and mechanics. A qualified licensed HVAC contractor is crucial to quality installations and repairs. But I Watched a