Smart Ventilation Controls Boost Energy Efficiency and Indoor Air Quality

Research output: NRELFact Sheet


The average American household spends more than $2,200 a year on energy, and heating, ventilating, and air conditioning (HVAC) costs comprise nearly half of the bill. This is one reason why home builders focus on tightening building envelopes to save energy. Yet, limiting the potential for air exchange can negatively impact indoor air quality (IAQ). When outdoor conditions are most extreme during occupied periods, there may be comfort implications from continuing high levels of ventilation during associated weather events. This is true even with heat recovery. To mitigate risks, the Florida Solar Energy Center developed and tested approaches for “smart” ventilation system controls that enable more reliable design, installation, and operation to achieve desired IAQ while also minimizing energy and comfort impacts.
Original languageAmerican English
Number of pages2
StatePublished - 2020

NREL Publication Number

  • NREL/FS-5500-76087


  • Building America
  • buildings
  • indoor air quality
  • smart ventilation control


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