PHI
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EnerPHit — The Passive House Approach to Deep Retrofit
Since it is much trickier to hit the Passive House standard for a retrofit project than for a new house, the Passivhaus Institut has created a retrofit standard that is ambitious but achievable
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A Petition Strives to Defend a Certain Definition of ‘Passive House’
A newly launched petition is encouraging PHIUS to to use a different name for its building standard and certification program
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Is This Building Passivhaus-Certified?
American and German certifying organizations disagree over whether this Canadian duplex, the Rideau Residences, meets the Passivhaus standard
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PHIUS Tries to Trademark ‘Certified Passive House Consultant’
Also used by the Passivhaus Institut in Germany, the phrase is now being claimed as a trademark by a rival U.S. organization
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Passivhaus Combatants Continue To Speak Out
Round 4: No, they haven't stopped arguing
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Round 3: Wolfgang Feist Discusses the PHI-PHIUS Split
The founder of the Passivhaus Institut in Germany explains why the U.S. group has been cut off from its European parent
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The Passivhaus Institut in Germany Disowns Its U.S. Satellite
The Passivhaus Institut’s decision to suspend its contract with Passive House Institute US raises important questions, most still unanswered
