Date: March 14, 2025 Time: 12 pm – 1 pm Location: Virtual PDH: 1.0 PDH Trainer: Chris Abbott AHRI 400 definition Scope of AHRI 400 AHRI certify all ASHRAE 90.1 Economizer and ASHRAE 90.1 State adopted ASHRAE 90.1 US Climate zone Sample of economizer Who should attend – Plumbing & HVAC engineers 1.0-PDH Duration: 1-hour
Date: March 21, 2025 Time: 9 am – 12 pm Agenda: Proper sizing High Volume with quick circulation Standard efficiency vs high-efficiency Water Quality | Limescale, calcite solutions Piping and new ideas with reverse indirects, Plate & Frame HX, and multiple units Domestic water recirc pumps with aquastats and timers Live Fire indirect with boiler […]
Date: March 21, 2025 Time: 9 am – 12 pm Agenda: Proper sizing High Volume with quick circulation Standard efficiency vs high-efficiency Water Quality | Limescale, calcite solutions Piping and new ideas with reverse indirects, Plate & Frame HX, and multiple units Domestic water recirc pumps with aquastats and timers Live Fire indirect with boiler […]
Date: March 21, 2025 Time: 12 pm – 1 pm Location: Virtual PDH: 1.0 PDH Trainer: Robert Barrett What makes CO2 refrigerant attractive? How does CO2 compare to R-454B Temperature Considerations: Lime, Health, Safety Operating Delta-T and Energy Balance Operating Profiles Operating Delta-T & ASHP schematic designs CO2 R-454B Equipment Efficiency: CO2 v R-454B System Efficiency […]
Date: June 6, 2025 Time: 12 pm – 1 pm Location: Virtual PDH: 1.0 Trainer: Robert Barrett This presentation provides an overview of real world DHW data for high-rise multi-family housing in NYC and compares the real world data to ASHRAE predictions. Detailed load provides are presented, review of peak-hour and non-peak hours considerations […]
