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The HVAC retrofit project at the
Administrative Building in Ottawa,
undertaken by Carmichael, Ottawa,
represented a significant advancement
in the building's ventilation system.
The project focused on upgrading two
identical, outdated, and inefficient Air
Handling Units with Rosenberg's state-
of-the-art ECFanGrid.
Each new system consists of 14
Rosenberg's EC-Motor fans, known for
their exceptional performance and
energy-saving features.
Supply Fan 1: 50,000 cfm @ 5.25” SP
Supply Fan 2: 50,000 cfm @ 4.75” SP
BEFORE AFTER
The previous Air Handling Units had
become obsolete, leading to
suboptimal performance and
increased energy consumption.
Recognizing the need for a more
sustainable and cost-effective solution,
the decision was made to install
Rosenberg's ECFanGrid to modernize
the building's ventilation system.
The installation of Rosenberg's
ECFanGrid brought substantial
benefits to the Administrative
Building in Ottawa. With fan
redundancy ensuring uninterrupted
operations and substantial energy
savings, the retrofit project improved
energy efficiency and indoor comfort.
The successful implementation
showcases the building's
commitment to sustainable
solutions, setting an example for
others to embrace greener practices
and reduce operational costs.

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Rosenberg Canada & Carmichael Ottawa; HVAC Retrofit Project

  • 1. The HVAC retrofit project at the Administrative Building in Ottawa, undertaken by Carmichael, Ottawa, represented a significant advancement in the building's ventilation system. The project focused on upgrading two identical, outdated, and inefficient Air Handling Units with Rosenberg's state- of-the-art ECFanGrid. Each new system consists of 14 Rosenberg's EC-Motor fans, known for their exceptional performance and energy-saving features. Supply Fan 1: 50,000 cfm @ 5.25” SP Supply Fan 2: 50,000 cfm @ 4.75” SP BEFORE AFTER
  • 2. The previous Air Handling Units had become obsolete, leading to suboptimal performance and increased energy consumption. Recognizing the need for a more sustainable and cost-effective solution, the decision was made to install Rosenberg's ECFanGrid to modernize the building's ventilation system.
  • 3. The installation of Rosenberg's ECFanGrid brought substantial benefits to the Administrative Building in Ottawa. With fan redundancy ensuring uninterrupted operations and substantial energy savings, the retrofit project improved energy efficiency and indoor comfort. The successful implementation showcases the building's commitment to sustainable solutions, setting an example for others to embrace greener practices and reduce operational costs.