In its newest survey, the shopper protection affiliation notes that the prognosis of the similar lodging might be completely completely different relying on the firm.
“Great nonsense, again and again”. By thus titling its newest examine dedicated to the high quality of energy efficiency diagnostics (DPE) of housing printed this Thursday, it’s an understatement to say that UFC-Que Choisir didn’t select to enter nuance. Five years after its earlier survey on the topic, the work of the shopper affiliation reveals main shortcomings in the reliability of energy efficiency diagnostics for housing “even though the relevance of the DPE is more essential than ever given the consequences of qualifying housing as a thermal sieve”, writes UFC-Que Choisir.
“Our study highlights scores that are sometimes variable in terms of ECD but also of recommended work”explains Gwenaëlle Lejeune, lawyer inside the affiliation, with France Inter. In its investigation, UFC Que Choisir concerned in seven homes situated in numerous areas of France, a number of corporations licensed by the State for diagnose energy performance (DPE) housing. Several had been carried out on every home and the outcomes are “overwhelming” says the affiliation. “Among the 7 houses that have been the subject of numerous diagnoses (between 4 and 5 each), 6 of them have not been recognized with the same energy class”, observe the authors of the survey. One of them has even assigned itself three completely different courses – from B to E – regardless that it’s low consumption. In different phrases, a giant distinction.
Especially since, as UFC-Que Choisir reminds us, these rankings can have vital penalties. “on the valuation of the property, or even on the estimate of energy consumption and therefore of the bills, which for a house even goes from simple to more than double (+ 226%)”. For the similar dwelling, the prognosis of an organization signifies that the partitions weigh for 49% in the loss of warmth from the dwelling, when that of one of its opponents signifies that they solely weigh for 19%.
Fancy job suggestions
“The consequences of misclassification will prove even more detrimental” in the future, agrees the affiliation whereas from 2023, the most energy-consuming housing, thought-about as thermal sieves, could also be prohibited on the market or rental.
In its survey, the affiliation additionally pinpoints the suggestions made by these accredited corporations after their diagnoses to enhance the energy effectivity of housing or to restrict greenhouse gasoline emissions. Some are “mind-boggling” believes UFC-Que Choisir. One firm, for instance, recommended that house owners set up a photo voltaic water heater when the home already had one. “Estimates of work deemed essential for the same house vary from just over 3,000 euros to 10 times more for another diagnostician”additionally tells the shopper advocate.
To be sure that such malfunctions couldn’t happen, the affiliation submits two results in the State. The first one : “To make the claims of the DPE on the recommended work opposable to the diagnosticians”. UFC-Que Choisir additionally requests an “in-depth” overhaul of the systemcertification“to assure consumers that the use of a certified professional is a real guarantee of quality”.
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