Describir: Heating and air conditioning of buildings /

  _  _     _____     _____      ___      ______     ___      _____     ______  
 | \| ||  |  ___||  /  ___||   / _ \\   /_____//   / _ \\   / ____||  /_   _// 
 |  ' ||  | ||__   | // __    | / \ ||  `____ `   / //\ \\ / //---`'   -| ||-  
 | .  ||  | ||__   | \\_\ ||  | \_/ ||  /___//   |  ___  ||\ \\___     _| ||_  
 |_|\_||  |_____||  \____//    \___//   `__ `    |_||  |_|| \_____||  /_____// 
 `-` -`   `-----`    `---`     `---`    /_//     `-`   `-`   `----`   `-----`  
                                        `-`