11/22/2017
Energy Efficiency Alternate
HVAC
• Hot Water Loop ▫ Unused hot water circulated back to boiler
• Water has lost less heat energy • Easier to heat from 60°F to 82°F • Compared to -7°F to 82°F
Manipulating and Conditioning air to achieve desired comfort
Types of Systems
Roof Top Unit
Air Handling Unit
Pricing Methods
Boiler + Air Cool Chiller/Air Cooling Tower 4 Pipe System
Boiler 2 Pipe System
Constant Volume
Div.
Plumbing Components
Unit
Waste Vent
Ea Ea
Ductwork + Insulation
Ductwork + Insulation
Ductwork + Insulation
Piping PVC Condensate Drain
LF LF
DDC Controls
Pipe to VAV Box
Pipe to VAV Box
15400
Roof Drain and Overflow
LF
Finishand Install Plumbing Fixtures
Ea
Test and Balance
DDC Controls
DDC Controls
Finish and Install Water Softener
Ea
Finish and Install Water Meter
Ea
Test and Balance
Test and Balance
Inside a Standard Packaging Unit
Heating Ventilation and Air Conditioning
24
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