Mechanical Systems · Replace (2) existing 15-ton gas/electric packaged rooftop units in kind with (2) new 15-ton units (R-454B, 220 MBH gas input each) in same locations on existing steel dunnage. Reconnect existing duct, gas, condensate, electric. No change in use.
Mechanical Systems · Replace (2) existing 15-ton gas/electric packaged rooftop units in kind with (2) new 15-ton units (R-454B, 220 MBH gas input each) in same locations on existing steel dunnage. Reconnect existing duct, gas, condensate, electric. No change in use.
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