Eight plates from the equipment file
Air handlers, rooftop units, duct runs, heat exchangers and vents, photographed on real sites. No manufacturer's badge is legible in any of them, because a photograph is not an endorsement.
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01 Rooftop units and duct runs -
02 Air handler, intake face -
03 Overhead duct run, hung -
04 Plant room, duct and pipe -
05 Heat exchanger, pipe connections -
06 Packaged units, roof deck -
07 Pressure gauge, low reading -
08 Ventilation plant, machine room
Start with a diagnostic visit
Readings first, written down and shown, with the options set out before anything is fitted.