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HVAC for Commercial Buildings
HVAC refers to the equipment, distribution system, and controls that provide heating, ventilation, and air conditioning for buildings. HVAC systems are the main energy consumers in commercial buildings. They account for approximately half of all the energy used in U.S. buildings. In addition to the energy costs, HVAC systems impact building occupants´ health, comfort, and productivity. Improving HVAC performance saves energy and promotes a healthier, more comfortable workplace.
The intent of this page is to provide access to informative HVAC Web sites. The links fall into three categories:

Resources - Diverse HVAC information

Publications - On-line HVAC publications

Components - Specific topics and technologies
The Oregon Department of Energy does not endorse any specific products or associated companies and cannot attest to the accuracy of information provided through linked sites.
HVAC Resources:
Energy Design Resources
Educational site sponsored by California Public Utilities Commission.
Advanced Buildings Technologies & Practice
A building professional´s guide to more than 90 environmentally-appropriate technologies and practices. 
U.S. Dept. of Energy Building Technologies Program
Design tools, product info, emerging technologies, codes and standards.
Energy Saving Tools from Wisconsin Public Service Corp.
Detailed HVAC equipment buying advice from natural gas and electric utility.
The Minnesota Sustainable Design Guide:
The Minnesota Sustainable Design Guide educates and assists architects, building owners, occupants, educators, students, and the general public concerning sustainable building design.
Energy Ideas Clearinghouse
Excellent site concerning all energy subjects managed by the Washington State University Extension Energy Program and funded by the Northwest Energy Efficiency Alliance. For HVAC info navigate through the heating and cooling link in the right-hand column.
Pennsylvania´s Governors Green Governing Council
Pennsylvania site for High Performance Green Buildings, Renovations and Retrofits, Building Operations and Maintenance, Green Building Videos 
US Green Building Council (LEED®)
The U.S. Green Building Council is the nation´s foremost coalition of leaders from across the building industry working to promote buildings that are environmentally responsible, profitable and healthy places to live and work.

High Efficiency Air Conditioning & Heat Pumps:
Consortium for Energy Efficiency provides equipment specifications, installation guidelines, as well as technical updates.
Greening Federal Facilities
An Energy, Environmental, and Economic Resource Guide for federal facility managers and designers.
Alliant Energy´s Web Page for Commercial Energy Efficiency
Detailed information on energy efficient HVAC technologies.
American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
A professional organization that furthers innovation in HVAC systems

Energy Star® Building Upgrade Manual
The Energy Star® Building Manual is a strategic guide to help you plan and implement profitable energy saving building upgrades.
California Energy Commission Public Interest Energy Research (PIER) Reports
Recent research reports (note: very large files). Two of interest would be #11 for large Variable Air Volume (VAV) systems and #12 on small (packaged) rooftop HVAC system design guidelines.

HVAC Publications:
Engineered Systems Magazine
Practical applications for innovative HVAC mechanical systems. Updated weekly with industry news and events.
Environmental Design and Construction
Deals exclusively with energy efficiency and sustainable buildings.
Energy User News
Energy Management Issues for the commercial, industrial, and institutional markets.
Online periodical for energy use in the built environment.
ASHRAE Journal
On-line articles from the official publication of the American Society of Heating and Refrigerating and Air- Conditioning Engineers (ASHRAE).
HPAC Engineering
On-line articles from the official publication of Heating Piping Air Conditioning (HPAC) Engineering.
Energy Design Update
On-line articles directed more towards the residential market but often valuable for those with interest in the commercial HVAC market.
HVAC Components:
Ground Source Heat Pumps as Applied to Commercial Facilities
U.S. Department of Energy technology alert.
Direct Digital Controls
A Guide to DDC Building Automation Systems
Under-floor Air Distribution Systems
Comprehensive educational site for under-floor air distribution systems by University of California´s Center for the Built Environment.
Commercial Duct-Sealing Technology
Mobile aerosol-sealant injection system used primarily for retrofits.
Back to Business Information
Commissioning for Better Buildings
Guide for Demand Controlled Air Ventilation
Business Energy Incentives
Energy Loan Program
Energy Savings Performance Contracting