How does a commercial HVAC system work?

Related questions

1. Why do we need a HVAC system?
2. What is HVAC unit?
3. How much does it cost to replace HVAC system?
4. What is split HVAC system?
5. What is green HVAC?
6. What is HVAC system in building?
7. What is the purpose of HVAC system?
8. Is furnace part of HVAC?
9. What is the function of HVAC system?
10. How much do HVAC systems cost?

Tags

1. #outside
2. #buildings
3. #compresses
4. #cooling
5. #condenser
6. #compressor
7. #large
8. #valve
9. #function
10. #temperature
11. #pressure
12. #blown
13. #system
14. #changes
15. #increasing
16. #vapor
17. #refrigerant
18. #expansion
19. #liquefy
20. #liquid