Tag: ERV

  • Ventilating a Home in Cold Weather

    Prime:  prime Subtitle:  You need fresh air, but bringing in cold outdoor air can cause problems Images:  When I woke up Saturday morning, the temperature outdoors was -40 degrees†. The wind chill was -100 degrees! It was just unbelievably, impossibly, inhumanly cold outside. Fortunately, that was on a mountaintop in New Hampshire and not where…

  • Ventilating a Home in Cold Weather

    Prime:  prime Subtitle:  You need fresh air, but bringing in cold outdoor air can cause problems Images:  When I woke up Saturday morning, the temperature outdoors was -40 degrees†. The wind chill was -100 degrees! It was just unbelievably, impossibly, inhumanly cold outside. Fortunately, that was on a mountaintop in New Hampshire and not where…

  • Should Balanced Ventilation Be Required?

    Prime:  prime Subtitle:  Aspen’s new energy code requires balanced mechanical ventilation with recovery Images:  “You know where this is going, right? Codes will eventually require balanced ventilationMechanical ventilation system in which separate, balanced fans exhaust stale indoor air and bring in fresh outdoor air in equal amounts; often includes heat recovery or heat and moisture…

  • Should Balanced Ventilation Be Required?

    Prime:  prime Subtitle:  Aspen’s new energy code requires balanced mechanical ventilation with recovery Images:  “You know where this is going, right? Codes will eventually require balanced ventilationMechanical ventilation system in which separate, balanced fans exhaust stale indoor air and bring in fresh outdoor air in equal amounts; often includes heat recovery or heat and moisture…

  • An Interview with Dr. Iain Walker on Ventilation

    Subtitle:  Another installment in the great debate about residential ventilation and indoor air quality Images:  The debate over how much to ventilate a home has been going on a long time. Last year, Building Science Corporation introduced its own standard to compete against ASHRAE 62.2A standard for residential mechanical ventilation systems established by the American…