• Architectural, Engineering and Construction Information Center    http://www.aecinfo.com/
• Arcosanti   http://www.arcosanti.org
• American Gas Association  http://www.aga.com/
• American Institute of Architects (AIA)   http://www.aia.org
• American Society of Heating, Refrigeration, & Air Conditioning Engineers  http://www.ashrae.org
• Build America    http://www.BuildAmerica.com/
• Build.com    http://www.build.com/
• Builder Net   http://www.builder.net
• Builder Online    http://www.builderonline.com/
• Building Online  http://www.buildingonline.com/
• The Complete Sourcebook  http://www.complete-sourcebook.com/sourcebook
• The California Energy Commission Homepage  http://www.energy.ca.gov/
• Canadian Home Builders' Association of British Columbia http://www.chbabc.org/
• Construction Net   http://www.constructionnet.net
• Consumer Product Safety Commission  http://cpsc.gov/
• DesignSite  http://www.atsrc.com/des-site/ -
• Factory Mutual System   http://www.factorymutual.com/
• Feng Shui Institute of America    http://www.windwater.com/  -
• Frank Lloyd Wright   http://flw.badgernet.com:2080/
• Fine Homebuilding   http://www.taunton.com/fh/index.htm
• Home Improvement Encyclopedia http://www.bhglive.com/homeimp/
• The Hearth Products Association (HPA)   http://www.hearthassoc.org
• Hearthnet  http://hearth.com/
• This Old House  http://www.pbs.org/wgbh/thisoldhouse/home.html
• Home Ideas  http://www.homeideas.com/
• Home Ideas   http://www.homeideas.com/
• Home Time--PBS    http://www.hometime.com/
• Home Web  http://www.magi.com/~homes
•  Intertek Testing Services/ETL Testing Laboratories  http://www.etl-hvac.com/
• http://www.etl-hvac.com/ISdesigNet   http://www.isdesignet.com/
•  Metric Conversion Factors  http://www.wsdot.wa.gov/Metrics/factors.htm
• Nick Birchall's Architectural Sites   http://www.u-net.com/~birchall/arch.htm
• Omega Point Laboratories    http://www.opl.com
• PAIRC    http://www.arch.buffalo.edu/pairc/ -  Cyburbia contains a directory of Internet resources relevant to planning, architecture, urbanism and other topics
• Residential Planning and Design  http://www.sonic.net/~ziedrich/archlink.htm
•  SP, the Swedish My Virtual Reference Desk National Testing and Research Institute  http://www.sp.se
• Southwest Construction Zone    http://www.swcz.com/
•  Thomas Register of Manufacturers  http://www.thomasregister.com/index.html
• TRI/Environmental, Inc.    http://www.texasresearchintl.com/
• Underwriters Laboratories   http://www.ul.com/

   Stoves and Fireplaces     Solar Electric    Builder   Services     Solar Thermal    About  PEC    Visit Us