What is the purpose of HVAC? What does it mean to ‘condition air’? 2. Where was the modern central heating system invented? How did the system originally move the hot air? 3.heat transfer occurs in three different ways: conduction, convection, and radiation. Explain each method of transfer. 4.What does the law of thermodynamics state about heat and hot air and how do we stop the transfer? 5.How does humidity affect our comfort level? 6.Who was known as the father of air-conditioning? How did the invention of air-conditioning change how buildings were designed? 7. What is a Packaged Terminal Air Conditioner (PTAC)? What are the advantages/disadvantages of having these in a hotel? 8.Research hotel energy management systems and provide four (4) examples of how implementing an EMS will benefit the hotel.