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Houses built between 1999 and 2015 may have poorer insulation

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The energy conservation standard that was issued by the Ministry of Land, Infrastructure, Transport and Tourism was abolished in 2015 due to the fact that it was ineffective in providing an acceptable level of insulation to houses. The energy conservation standard included a focus on the heat loss level. According to the rule, houses were not strictly required to meet a certain thickness of insulation. When the heat loss level is accepted, the house was approved.

However, most houses adopting the trade off rule have suffered from serious problems. Numerous homeowners have complained of the insulation, saying that inside of the house does not stay warm and that heat is often trapped in the ceilings due to the lack of insulation. Presently, a new standard was implemented after 2015 and is still in effect. Even so, there are many houses built between 1999 and 2015 in the current market. When you buy old real estate, bear in mind that you should check the thickness of insulation carefully.