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3400 sq. ft Home, Phoenix, AZ
Project type
Mechanical Plan
Date
December 1st 2023
Location
Phoenix, AZ
Role
Mechanical Engineer
Project type
Residential
Outside Summer Design Temperatures
108
Inside Summer Design Temperature
75 F
Outdoor Winter Design Temperature
41
Inside Winter Design Temperature
70 F
This permit-ready mechanical design delivers a high-performance ACCA Manual J, S, and D layout for a 3,950 SF zoned residence in Phoenix, Arizona.
To withstand extreme desert heat, the system optimizes a tight building envelope featuring R-19 wall and R-38 roof-deck open-cell spray foam with 0.4U-value / 0.25 SHGC glazing.
System Configuration & 3D Spatial Modeling
Left-Wing: 3.5-Ton Trane Split Heat Pump managing 1,400 CFM at a high 95% Sensible Heat Ratio.
Right-Wing: 4-Ton Trane Split Heat Pump delivering 1,567 CFM to counter a 34,605 Btuh peak load.
Auxiliary: Independent ductless mini-splits zoning the garage and loft.
