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 |  | | Indoor ERV Units Stand-alone indoor base mounted or suspended units commonly installed in mechanical rooms of large schools and office buildings. |
| Outdoor ERV Units Stand-alone outdoor roof mounted units found on many schools and |
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 | Mechanical room side-by-side duct arrangement |
|  | | | |  | Mechanical room over-and-under duct arrangement |  | ERV O-Series Rooftop over-and-under duct arrangement | | | | |  | ERV S-Series Rooftop side-by-side duct arrangement | | | | | | | | | |
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Energy Recovery
