Herz & Lang - The planners for energy-efficient construction

Consulting - our brochure

Consulting - our brochure

Videos - References - Testimonials

Videos - References - Testimonials

News

13.11.2015 :: International Passive House Days

13.-15. November: Passive House residents worldw... » read more

01.10.2015 :: NAPHN15 - Vancouver

Planning workshop for the development of large Passive House projects an... » read more

21.09.2015 :: Nursing home 'S13'

Highlight in architecture, energy efficiency and climate protection

... » read more

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