1/28/2024 0 Comments Ashrae 90.1 ashrae 55 2013 pdf![]() ![]() ![]() Mandatory provisions for HVAC performance are documented in ASHRAE 90.1, Section 6.4, and include minimum system efficiency requirements (6.4.1), load calculation requirements (6.4.2), controls requirements (6.4.3), HVAC system construction and insulation requirements (6.4.4), and completion requirements (6.4.5).ĪSHRAE 90.1, Section 6.4.3.4, lists minimum control schemes for thermostats (off-hours, including setback and optimum start/stop), stair and elevator vents, outdoor air supply and exhaust vents, heat pump auxiliary heat, humidification and dehumidification, freeze protection, snow- and ice-melting systems, and ventilation for high-occupancy areas.ĪSHRAE 90.1, Section 6.5, provides a prescriptive compliance option. The requirements of Section 6 apply to all building HVAC systems. ![]()
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