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ASHRAE 90.1 ‐2013 Key Changes You. 901.-2010 is Recent Regulatory Landscape Green Code development dominated regulatory landscape 30% more efficient than 2004** IECC 2012. 2016 New NAECA IECC Code Equipment ICC Final Action Hearings ASHRAE 90.1-2013 qp Development Standards Hearings IECC 2015. The materials for this course may be used for in-person training purposes. The presentation slides focus on the envelope; heating, ventilation, and air conditioning; power and lighting; and scope and application requirements of ASHRAE Standard 90.1-2016. This free RED Calc tool handles all the requirements of the 62.2-2016 Standard, including new and existing buildings, the alternative compliance path, and infiltration credit. ASHRAE 62.2-2016 tool Login. ASHRAE Standing Standard Project Committee 90.1. For this standard can be downloaded free of charge from the ASHRAE. Nonautomatic: see manual. ASHRAE Standard 90.1-2007 Available as Free Download| Facility Executive - Creating Intelligent Buildings Through a funding contract with the Department of Energy, copies of the I-P edition of ANSI/ASHRAE/IES Standard 90.1-2007, Energy Standard for Buildings Except Low-Rise Residential Buildings, are being offered as a free downloadable PDF as.
ANSI/ASHRAE/IES Standard 90.1: Energy Standard for Buildings Except Low-Rise Residential Buildings is an American National Standard published by ASHRAE and jointly sponsored by the IES that provides minimum requirements for energy efficient designs for buildings except for low-rise residential buildings (i.e. single-family homes, multi-family buildings less than four storeys high, mobile homes and modular homes). The original standard, ASHRAE 90, was published in 1975. There have been multiple editions to it since. In 1999 the ASHRAE Board of Directors voted to place the standard on continuous maintenance, based on rapid changes in energy technology and energy prices. This allows it to be updated multiple times in a year. The standard was renamed ASHRAE 90.1 in 2001.[1] It has since been updated in 2004, 2007, 2010, 2013 and 2016 to reflect newer and more efficient technologies.[2]
3/18/2016 52 ASHRAE 90.1 Our Model Energy Code Standard 90.1 The US “Model Energy Code” Referenced in the Energy Policy Act of 1992 The Standard against which all state codes are evaluated Defines Minimum Energy Efficiency for buildings covered under the standard Commercial buildings.
In general, there are two means, or paths for building designers to comply with ASHRAE 90.1:
Within the sections of the standard, there are some variations to this. Some sections have mandatory provisions, simplified approaches, or trade-off opportunities.
ASHRAE 90.1 includes prescriptive requirements for the following:
In the performance approach, a baseline Energy Cost Budget (ECB) is established, based on the building size and program. This baseline ECB is established using building performance simulation to model a building with the same size and program as the project building, built according to the prescriptive requirements of ASHRAE 90.1 (sections 5-10). The ECB is expressed in units of dollars.
A building performance simulation is then performed on the proposed building design. The proposed energy cost budget must be less than or equal to the baseline energy cost budget to achieve compliance.
The performance approach is also used to demonstrate design energy efficiency, often expressed as percent better than ASHRAE Standard 90.1. Building designs will stated their performance as '40% better than ASHRAE 90.1-2007' or '20% better than ASHRAE 90.1-2010'. Percent improvement over ASHRAE 90.1 is the basis for awarding energy points within the LEED rating system.
Many states apply ASHRAE 90.1 to buildings being constructed or under renovation. Most states apply the standard or equivalent standards for all commercial buildings. Others apply the standard or equivalent standards for all government buildings. There are some states that use other energy conservation standards for all commercial buildings and some other states that use a combination of the ASHRAE 90.1 standard for all government buildings and use other energy conservation standards for their commercial buildings. A few states do not apply any energy conservation standards for their government and commercial buildings.[3]
Current status of adoption into energy codes is tracked by the Building Codes Assistance Project. As of January 2014, 6 states have codes which meet or exceed ASHRAE Standard 90.1-2010 (WA, MT, IL, MS, RI, MD). 36 states have codes which meet or exceed ASHRAE Standard 90.1-2004, and 9 states have either no code or a code which precedes 90.1-2004.[4] California has an energy code (CCR Title 24 Part 6), which has a very similar structure and requirements.
ASHRAE 90.1 is also an industry standard referenced by the USGBC in the LEED building certification program. It is frequently used as a baseline for comparison during energy retrofit projects or any project that employs building performance simulation.
Outside the US, India's Energy Conservation Building Code, has a similar form and scope to ASHRAE 90.1. (Other countries have different forms such as Ireland's building energy rating, or Hong Kong's Buildings Energy Efficiency Ordinance)
Development of Standard 90 began in the aftermath of the energy crisis of 1973. ASHRAE president Robert R. Kirkwood made the ASHRAE theme of 1973 'Optimum Energy Utilization Through Technology'. At ASHRAE's winter meeting in Los Angeles in February 1974, the National Bureau of Standards (NBS) presented their early developments of a building energy standard to 200 ASHRAE meeting participants. NBS and the National Conference of States on Building Codes and Standards (NCSBCS) offered to turn development of the standard over to ASHRAE, and ASHRAE accepted.[5]
The development of the proposed standard, Standard 90P, was completed in less than six months. ASHRAE enlisted representatives from the American Institute of Architects (AIA), Illuminating Engineering Society (IES), Mechanical Contractors Association of America (MCAA), Air Conditioning and Refrigeration Institute (ARI), and the Electrical Energy Association (EEA). A draft of the standard was issued on June 21, 1974, to 5,000 industry stakeholders for public review. Comments were received, revisions were made, and the initial version was issued as ASHRAE Standard 90-1975 on January 14, 1975.[5]
In 2004 the ASHRAE 90.1 standard applied to buildings, the building envelope, and majority of mechanical and lighting systems in the building. New buildings being constructed and the systems that run the new buildings would be covered by the standard. The standard would also apply to additions to existing buildings and their systems as well as alterations to an existing buildings system. For ASHRAE 90.1 standard to apply to the building envelope the building will need to be heated by a heating system that has an output capacity greater than 3.4 btu/h-ft2 or be cooled by a cooling system that has an output capacity greater than 5 btu/h-ft2. The buildings that are exempted from ASHRAE 90.1 are single family homes, multifamily of three stories or less homes, manufactured or modular homes, buildings that do not use electricity or fossil fuels, and equipment and building systems that are used for industrial, manufacturing, or commercial purposes.[2]
In 2007 the updated version of the ASHRAE 90.1 covers many sections of a building which include building envelope, HVAC, hot water, and lighting.[1]
The building envelope has to be categorized into 3 different categories of conditioned space which are (a)nonresidential conditioned space, (b) residential conditioned space, and (c) semiheated space. Each one has different requirements to meet. There are also mandatory provisions that building envelopes have to abide by which are insulation, fenestration and doors, and air leakage. The requirements for these provisions are in the ASHRAE 90.1 manual and have many requirements for each. Each section of the building envelope, Roof, Walls, and Floor have different requirements for each of the mandatory provisions.[1]
The HVAC system has many different requirements that have to be met. This is because there are many types of HVAC systems each with different requirements. The HVAC section has the most requirements because there are so many different types of systems. There are systems that can not be used and things that systems must have to meet the requirements. ASHRAE 90.1 document has multiple tables that give minimum efficiency requirements for each system.[1]
Hot water systems must go through a load calculation before they are installed. Each system must meet the manufactures sizing guidelines. Each system must also have equipment that meets the minimum efficiency that is in a table in the ASHRAE 90.1 document. The pipes that hold the hot water need to be insulated and there are certain insulation requirements for each system type and piping material. There are many controls that hot water systems need and each control has a different requirement. These include are temperature controls, temperature maintenance controls, outlet temperature controls, and circulation pump controls. There are also requirements for pool heaters, pool covers, and heat traps for heated pools.[1]
If new lights are installed or replaced in any building space, with a few exceptions, they must abide by the Lighting Power Density requirements. Lighting also has many requirements to follow, which includes the prescriptive requirements to determine the quantity of lights for the building. There are also interior lighting controls that need to be installed for buildings larger than 5000 sqft. There are also many requirements on lighting that include exit signs and exterior lights.[1]
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In the 2010 edition of ASHRAE 90.1, many changes were made, including definitions, tables, and sections. Energy savings compared to 90.1-2004 were approximately 25 percent including plug loads and approximately 31 percent excluding plug loads. DOE issued a positive determination and notified states that they should adopt 90.1-2010 or a code that DOE accepts as equivalent by October, 2013.
The scope was expanded to include defined industrial processes, which in the 2010 edition includes only economizers for data centers. Changes to Building Envelope include skylights, solar reflectance, thermal emittance, air barriers, and solar orientation.
Minimum efficiency requirements for many types of HVAC equipment were revised. Other revisions affect the maximum fan power limits, pump head calculation, chilled water pipe sizing, radiant panel insulation, single-zone VAV, and supply air temperature reset. Energy recovery is required for many more HVAC systems. Several reheat exceptions were eliminated or modified. Restrictions were placed on overhead air heating. Economizer requirements were added for more climate zones and smaller systems. Class A is now required for all duct sealing.
Lighting power densities (LPD) dropped slightly on average. Daylighting and associated lighting control requirements were added. Many lighting control requirements were added, including independent functional testing of lighting controls, occupancy and vacancy controls, exterior lighting controls, and whole-building shutoff. Offices and computer classrooms now require 50 percent of 120 V receptacles to be automatically switched.Requirements were added for service water booster pumps and elevators.[6][7]
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Building types, sizes, and classifications. click here to ashrae 90.1 pdf download view these changes in full. learn more about standard 90.1 document history at ashrae.org. programs state energy conservation office. ashrae 90.1-2016 (i-p) standard 90.1-2016 (i-p edition) — energy standard for buildings except low-rise residential buildings (ansi approved; ies co-sponsored). in order to access this web site please register by. ashrae now offers publications in multiple formats so you can select the option that’s best for you. ashrae standard 90.4 establishes the minimum energy efficiency requirements of data centers for design, construction, and operation and maintenance, and utilization. learn more about standard 90.1 document history at ashrae.org. what is new in ashrae 90-1-2010 – free download as pdf file (.pdf), text file (.txt) or view presentation slides online. front matter (title page, toc, preface and forward) commercial referenced standards. in order to access this web site please register by. ashrae 90.1-2016 ashrae 90.1 pdf download (i-p) standard 90.1-2016 (i-p edition) — energy standard for buildings except low-rise residential buildings (ansi approved; ashrae 90.1 pdf download ies co-sponsored). ashrae 90-1 -2013 .pdf. what is new in ashrae 90-1-2010. it was founded in 1894 and has more. the ashrae 9 designs that integrate — applying ashrae 90.1 90.1, available as a free download for are being offered as a free downloadable pdf ashrae 90.1 pdf download at www.ashrae.org.
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What is new in ashrae 90-1-2010 – free download as pdf file (.pdf), text ashrae 90.1 pdf download file (.txt) or view presentation slides online. ashrae now offers publications in multiple formats so you can select the option that’s best for you. programs state energy conservation office. learn more about standard 90.1 document history at ashrae.org. ashrae 90-1 -2013 ashrae 90.1 pdf download ashrae 90.1 pdf download .pdf. ashrae now offers publications in multiple formats so you can select the option that’s best for you. what is new in ashrae 90-1-2010. ashrae 90.1-2016 (i-p) standard 90.1-2016 (i-p edition) — energy standard for buildings except low-rise residential buildings (ansi approved; ies co-sponsored). ashrae (sometimes pronounced ash-ray), stands for the american society of heating, refrigerating and air-conditioning engineers. printed edition pdf bundle—purchase standard 90.1-2016 in. in order to access this web site please register by. the iecc addresses energy efficiency on several. building types, sizes, and classifications. click here to view these changes in full. front matter (title page, toc, preface and forward) commercial referenced standards. you are not currently registered to the ashrae advanced energy design guide. the ashrae 9 designs that integrate — applying ashrae 90.1 90.1, available as a free download for are being offered as a free downloadable pdf at www.ashrae.org. large and retail / commercial buildings. ashrae 90.1 pdf download.