Estimating in Building Construction

(Kalthiya AryanmXZGQq) #1
Heating, Ventilating, and Air-Conditioning 223

Heating (warm air):
boiler
fuel
oil tanks
gauges
accessories
thermostats
wiring
chimney
ducts
diffusers
fans
valves
filters
humidifiers
dehumidifiers
insulation
baffles

Air-Conditioning:
central
units
coolant
fans
piping
diffusers
registers
wiring
ducts
filters
humidifiers
dehumidifiers
inlets
returns
fresh air
louvers
thermostats

Review Questions


  1. Would electric heat most likely be placed under electri-
    cal, plumbing, or HVAC?

  2. How do the various types of construction affect the cost
    of the heating work?
    3. Why are subcontractors hired under single contracts to
    perform the HVAC work?

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