Design should include freehand sketches using the floor plan(s) and basement plan, should consider the consumer’s needs, and should maintain compliance with building codes. The designer must determine
- type of heating system
- type of cooling system
- size and location of trunk and branch lines and registers
- location of return air duct
- sizes and locations of vents
- location of thermostat.
Process/Skill Questions:
- What are the pros and cons of heating a residence with the forced-air method vs. the hot-water method?
- Why is a return air vent and duct necessary for a forced-air system?
- How does a forced-air system compare to an electrical circuit?
- What effect does the insulation in the walls and roof have on the HVAC system?
- In what rooms should a return air duct not be located?
- How do you calculate heat loss for a house plan/design?