As a specifier it is always difficult to find who supplies and imports Passivhaus Certified Doors and Windows. I fought that it would be useful if forum users helpnto create a directory. No sales pitches just the simple facts (who supplies in the UK, what Certified door and windows they offer, and the contact details.) I've set up a couple of examples below. I'd be interested to hear other names that could be added to the list.
A few words of clarification:
The Passivhaus Institute use the term "Passivhaus Certified Suitable." A product must be certified, or be certifiable, for it to be considered suitable. There are some dubious suppliers that are telling people that their products are "suitable" when in fact they do not satisfy all of the certification criteria. It is for this reason the only suppliers of Certified products should be listed below.
Green Building Store (Passivhaus certified windows: Enersign, Alphawin, doors: Frostkorken)
T: 01484 461705
CP Joinery Store (Passivhaus certified windows)
T: 01244 550444
Passiv Consultants (Variotec Passivhaus certified windows)
M: +44 (0) 7887881508
GreenSteps Ltd / GreenSteps Eco-Products Ltd (Guttman Mira Therm Passivhaus certified windows)
T: 01621 740591