Geothermal products:

ECONAR Energy Systems, Corporation - http://www.econar.com/
Manufacturer of geothermal heat pumps. Includes case studies, publications and manuals.


Radiant Heating products:

Buderus - http://www,buderus.net/
In North America, Buderus' main product lines include: hot water boilers, domestic hot water storage tanks, climate and energy controls, panel radiators.

Tekmar Controls -http://www.tekmarcontrols.com/
Tekmar Controls are typically used in hydronic (water distributed) heating systems to increase the level of comfort and reliability.

Weil-McLain - http://www.weil-mclain.com/
Get unmatched comfort when you combine Weil-McLain’s radiant heating equipment with any Weil-McLain boiler for your home heating and plumbing needs.

Viessmann - www.viessmann-us.com/
Comprehensive line of boilers: oil-fired, gas-fired, wall-mounted condensing boilers, commercial boilers, indirect-fired domestic hot water tanks, solar systems, and boiler controls.

Wirsbo - http://www.uponor-usa.com/
Design, supply and installation of under floor heating in the United States. A division of Uponor Ltd.


General HVAC products:

Rheem Manufacturing Company - http://www.rheem.com/
One of the world's leading manufacturers of central heating and cooling products.

Taco, Inc. - http://www.taco-hvac.com/
Offers a complete line of products utilized in commercial hvac systems.

York International Corporation - http://www.york.com/
Independent supplier of heating, ventilating, air conditioning and refrigeration ( HVAC&R ) equipment.

Green building concepts: tools to build a more energy and resource efficient home

US Green Building Council - http://www.usgbc.org
A leading non-profit organization in the dedicated to sustainable building design and construction. Developers of the LEED building rating system.

BuildingGreen - http://www.buildinggreen.com/
Publisher of Environmental Building News and the GreenSpec directory. Developer of the BuildingGreen Suite, a research tool for green design. Site includes articles about many green topics.

Natural Resources Defense Council - http://www.nrdc.org/cities/default.asp
Articles, links, reports, unpublished research, policy and technical analysis, and Congressional testimony relating to sustainable design and construction.

Vital Signs Project - http://arch.ced.berkeley.edu/vital signs/
A curriculum materials development effort to examine a physical building's performance. Includes resource packages available for downloading and case studies.

Holcim Foundation for Sustainable Construction - http://www.holcimfoundation.org
International group that seeks to promote sustainable construction. Sponsors regional and global award competitions, funds projects, and organizes seminars. Good conceptual information on sustainable construction.

EPA Green Building - http://www.epa.gov/greenbuilding/
A gateway to numerous U.S. Environmental Protection Agency webpages on how to improve the environmental performance of buildings, with sections covering energy use, building materials, indoor air quality, water conservation and waste.

Environmental Design & Construction Magazine - http://www.edcmag.com/
Bi-monthly magazine about sustainable building for professionals. Includes article archives, product information, and industry resources.

Sustainable Sources - http://www.greenbuilder.com/
Online collections of information on sustainable building, eco travel, and Latin American environmental issues. Keyword searchable.

EnvironDesign - http://www.EnvironDesign.com
Annual conference on sustainable design with workshops, product vendors, networking, and roundtable discussions.

Oikos Green Building Library - http://oikos.com/library/index.html
Articles and selections from books about sustainable design and energy efficiency. Includes a green products directory, classifieds, and bookstore.

Northwest EcoBuilding Guild - http://www.ecobuilding.org/
Association of building professionals and homeowners interested in ecologically sustainable building. Offers fact sheets and newsletters, event listing, and resource directory.

Advanced Buildings - http://www.poweryourdesign.com
Products and tools for designers of 20,000 to 80,000 SF buildings to help reduce energy usage and improve indoor air quality.

Green Design Initiative - http://www.ce.cmu.edu/GreenDesign/
An academic-industry-government consortium based at Carnegie-Mellon University to develop research and education programs to improve environmental quality while encouraging sustainable economic development.

Natural Logic - http://www.natlogic.com/index.html
Consulting firm that assists companies and communities improve their environmental performance by using ecological models to reduce waste and energy use. E-letter, primer on sustainability, and links to articles and other resources.

Environmental Design Research Association - http://www.edra.org/
An international, interdisciplinary organization that focuses on environmental design research that examines the interrelationships between people and their built environments. Hosts conferences, publishes papers, and allocates student research grants. Also supports special interest networks.

Green Home Building - http://www.greenhomebuilding.com
Focuses on sustainable architecture strategies, natural building methods, and examples of vernacular architecture, with lists of books and related web sites. Also information on dealing with building codes when using natural building materials.

Development Center for Appropriate Technology - http://www.dcat.net/
Non-profit organization that supports the development and use of sustainable technology through education, research, and projects. Includes information on working with code officials. Active in revising building codes to include sustainable issues.

YourHomePlanet - http://www.yourhomeplanet.com
An environmental building design web directory - links, resources, and tools.

Center for Maximum Potential Building Systems - http://www.cmpbs.org/
A research and design center for sustainable building practices run by Pliny Fisk, based in Austin TX.