Herz & Lang - The planners for energy-efficient construction

Consulting - our brochure

Consulting - our brochure

Videos - References - Testimonials

Videos - References - Testimonials

News

12.08.2016 :: Moonridge Passive House

See footage from the crew as they assemble, cut, measure, tape, seal, li... » read more

27.05.2016 :: New Rocking House Nursery

Awarding of the PHI certification, by Prof. Dr. Wolfgang Feist as part o... » read more

13.11.2015 :: International Passive House Days

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

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