Ashrae 90.1 1999
Lighting (Section 9): maximum indoor lighting power density (LPD, expressed in Watts/Sq.Ft.), minimum lighting controls, exterior lighting, parking garage lighting.Power (Section 8): transformer efficiency, automatic receptacle controls, energy monitoring.Domestic hot water (Section 7): minimum equipment efficiency, minimum system features.HVAC (Section 6): minimum equipment efficiency, minimum system features, limitation on reheat, limitation on fan power.Building envelope (Section 5): minimum wall insulation, minimum roof insulation, roof reflectance, minimum glazing performance.Some sections have mandatory provisions, simplified approaches, or trade-off opportunities.ĪSHRAE 90.1 includes prescriptive requirements for the following: Within the sections of the standard, there are some variations to this.
#Ashrae 90.1 1999 code
For code compliance there is Chapter 11, which compares an energy model for your building to an energy model for a barely compliant building with the same HVAC system and in the 2016 edition an Appendix G path was added that compares an energy model of your building against a baseline model based on the 2004 edition of Standard 90.1 and requires lower energy consumption that varies depending on the building type.
![ashrae 90.1 1999 ashrae 90.1 1999](http://lightingcontrolsassociation.org/wp-content/uploads/2008/03/ASHRAE-20071.jpg)
In general, there are two means, or paths for building designers to comply with ASHRAE 90.1:
![ashrae 90.1 1999 ashrae 90.1 1999](https://present5.com/presentation/b393cfaa0ec4cb64e8ef4f7cab59b56d/image-15.jpg)
2 Status as an energy code and industry standard.