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Case studies

Atlanta Botanical Garden

From audit to action

Verdius conducted an energy audit for the Atlanta Botanical Garden and then stayed on to help put the recommendations into practice, from high-efficiency equipment upgrades to an ongoing mechanical systems project.

20-story residential high-rise, Atlanta

Upgrading a makeup air unit to a heat pump

An ASHRAE Level II energy and water audit identified a 2005 electric-resistance makeup air unit for replacement with a modulating heat pump unit, priced at the marginal cost over a like-for-like replacement.

  • 105,000 kWhannual electricity savings
  • $9,800annual cost savings
  • 1.6 yearssimple payback
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