the stringency of the energy efficiency regulations for houses has steadily increased since its induction; the change from 5 star energy efficiency regulations to 6 star is requiring builders and building designers to significantly modify their energy efficiency solutions and method of compliance.
the stringency of the energy efficiency regulations for houses has steadily increased since its induction; the change from 5 star energy efficiency regulations to 6 star is requiring builders and building designers to significantly modify their energy efficiency solutions and method of compliance.
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