Can I claim for excessive formaldehyde in the rented house?

Of course. Aldehyde, also known as ant aldehyde, is an organic compound, colorless gas, which is not easy to detect at low concentration and is easily covered by other odors, such as air fresheners. At high concentration, it has a strong irritating and suffocating smell, which is irritating to people's eyes and nose. Formaldehyde is a toxic gas that seriously harms human health as of March 25, 2024, and it mostly appears in unqualified furniture and decoration materials. In the environment with high formaldehyde concentration for a long time, patients will have dizziness, headache, tears, nausea and vomiting, cough, chest tightness, leukemia and other symptoms. , will seriously lead to death. Therefore, we should pay attention to stay away from formaldehyde in our lives, regularly ventilate newly renovated houses, and pay attention to monitoring the content of formaldehyde. If the formaldehyde exceeds the standard after renting, you can claim to terminate the contract at any time, claim that the landlord will refund the deposit and the rent during the non-performance of the contract, and compensate the corresponding losses. According to Article 731st of the General Principles of the Civil Law of People's Republic of China (PRC), if the leased property endangers the safety or health of the lessee, the lessee may terminate the contract at any time, even if he knows that the quality of the leased property is unqualified when concluding the contract. Article 577 Where a party fails to perform its contractual obligations or fails to perform its contractual obligations in conformity with the contract, it shall be liable for breach of contract such as continuing to perform, taking remedial measures or compensating for losses.