International

Passipedia
Certified Passive House Designer
Passive House Project Database
International Passive House Association
International Passive House Conference
International Passive House Magazine

Belgique

Passiefhuis-Platform vzw
Plate-forme Maison Passive

Bulgaria

IG Passive House Bulgaria

Canada

Canadian Passive House Institute
Passive Buildings Canada

Ceska Republica

Centrum pasivního domu

Danmark

Passivhus.dk

Deutschland

Passivhaus Institut
IG Passivhaus Deutschland
Passivhaus Dienstleistung GmbH

Espana

Plataforma Edificación Passivhaus

France

La Maison Passive France

Hungary

National Association of Passive House Builders (PAOSZ)

Italia

Case Passive
IG Passivhaus Südtirol
IG Passivhaus Trentino

Ireland

Passive House Association of Ireland
Sustainable Energy Authority of Ireland
Irish Passive House Academy
MOSART

Japan

Passive House Japan

Latvija

Passive House Latvija

Nederland

PassiefHuis Holland

New Zealand

NZ Passive House Homepage

Oesterreich

IG Passivhaus Austria
IG Passivhaus Tirol

Polska

Polski Instytut Budownictwa Pasywnego

Russia

Passive House Institute Russia

Swerige

Passivhuscentrum
Passivhusdagarna
IG Passive House Sweden
Certified Passive House Designer courses

Schweiz

IG Passivhaus Schweiz

Slovensko

Inštitút pre energeticky pasívne domy

United Kingdom

Passivhaus Trust
Building Research Establishment (BRE)
Scottish Passive House Centre

Ukraine

Passive House - IGUA (PH-IGUA)
Project Passivhaus

USA

Passive House Alliance
Passive House Institute US
Passive House Northwest
Passive House California
NY Passive House
Passive House Minnesota

Useful Freeware Tools

http://windows.lbl.gov/software/therm/therm.htm
http://windows.lbl.gov/software/window/window.html
www.passive-on.org/en/