GUEST SUITE + GARAGE/SHOP ADDITION — HVAC Mechanical Design with ACCA Manual J, Manual S, and Manual D Reports.

We collaborated with the mechanical contractor on this 588-square-foot guest suite and 1,026-square-foot garage/shop addition in northwest Tucson. We specified a Rheem ducted heat pump for the guest suite and a Gree 2-zone ductless mini-split heat pump system for the garage/shop.

Client: Cool Breeze Comfort Solutions
Category: HVAC Mechanical Design
Date: May 2024

ACCA Manual J Heat Gain/Loss Summary
– Cooling Gain (Sensible): 26,609 BTUH
– Cooling Gain (Total): 26,609 BTUH
– Heating Loss: 23,277 BTUH

HVAC Mechanical Design Parameters
– Jurisdiction: Pima County, Arizona
– Outdoor Design Clg/Htg: 105°F/35°F
– Indoor Design Clg/Htg: 75°F/72°F

Cooling Equipment Summary (Guest Suite)
– Rheem Manufacturing split heat pump system
– Total Capacity: 1.5 tons / 392 sqft per ton

Heating Equipment Summary (Guest Suite)
– Rheem Manufacturing heat pump air handler
– 5.0 kW auxiliary electric heat strip

Cooling Equipment Summary (Garage/Shop)
– Gree Electric 2-Zone mini-split heat pump system
– Total Capacity: 1.5 tons / 684 sqft per ton

Heating Equipment Summary (Garage/Shop)
– (2) Gree Electric wall-mounted fan coils
– Electric heat pump, no auxiliary strips