FIRE DAMAGE REPAIR PROJECT — HVAC Mechanical Design with ACCA Manual J, Manual S, and Manual D Reports.
Originally built in 1971, this four-bedroom, 1,776-square-foot residence on Tucson’s east side was restored after suffering fire damage. The existing split system was removed, and we specified a new American Standard rooftop packaged gas/electric unit with all new mechanical.
Client: James R. Watson
Category: HVAC Mechanical Design
Date: July 2024
ACCA Manual J Heat Gain/Loss Summary
– Cooling Gain (Sensible): 34,221 BTUH
– Cooling Gain (Total): 34,221 BTUH
– Heating Loss: 39,801 BTUH
HVAC Mechanical Design Parameters
– Jurisdiction: Tucson, Arizona
– Outdoor Design Clg/Htg: 105°F/35°F
– Indoor Design Clg/Htg: 75°F/72°F
Cooling Equipment Summary
– American Standard packaged gas/electric unit
– Total Capacity: 4.0 tons / 444 sqft per ton
Heating Equipment Summary
– American Standard packaged gas/electric unit
– 70,000 BTUH input / 56,700 BTUH output
