September 7, 2021 @ 1:00 pm - 2:30 pm EDT (R3.1) Residential: Whole-house Mechanical Ventilation Part 1 ONLINE - WEBINAR
September 7, 2021 @ 2:45 pm - 4:15 pm EDT (R3.2) Residential: Efficient Forced Air Distribution Part 2 ONLINE - WEBINAR
