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- Thermal protection and modernisation of existing buildings
- rgy retrofits step-by-step ===== {{:picopen:renovate_me.png|}} \\ © PHI \\ \\ ==== The EnerPHit St... andard in refurbishments of existing buildings is not always a realistic goal, one of the reasons bein... otection measures almost always proves to be uneconomical. The EnerPHit standard requires either a max... ly, often single measures only, and buildings are not improved to a high efficiency level such as Ener