Does the Property Law stipulate the warranty period of heating in residential quarters?

The "Measures for Quality Assurance of Construction Projects" has specific provisions: \x0d\ Article 7 Under normal use, the minimum warranty period of construction projects is: \x0d\ (3) heating and refrigeration systems, with heating period and cooling period; \x0d\ x0d \ the State Council's "Regulations on Quality Management of Construction Projects" also has specific provisions \ x0d \ Article 40 Under normal use conditions, the minimum warranty period of construction projects is: \ x0d \ x0d \ (1) The basic engineering, foundation engineering and main structure engineering of housing construction are reasonable service life of the projects specified in the design documents; \x0d\\x0d\ (2) Roof waterproofing works, leakage prevention for bathrooms, rooms and external walls with waterproof requirements, 5 years; \x0d\\x0d\ (3) heating and cooling system, there are two kinds of heating period and cooling period; \ x0d \ x0d \ (4) Installation and decoration of electrical pipelines, water supply and drainage pipelines and equipment will take 2 years. \ x0d \ x0d \ The warranty period of other projects shall be agreed by the employer and the contractor. \ x0d \ x0d \ The warranty period of the construction project shall be calculated from the date of completion acceptance. \x0d\x0d\ Regarding the start and end time of the warranty period, the Notice of the Ministry of Construction on Printing and Distributing the Provisions on the Implementation of Residential Quality Warranty and Residential Use Description System for Commercial Residential Buildings stipulates: \ x0d \ Article 6 The residential warranty period shall be calculated from the date when the development enterprise delivers the completed and qualified residential buildings to users for use, and the warranty period shall not be less than the period specified in Article 5 of these Provisions. \x0d\ Real estate development enterprises can extend the warranty period. \x0d\\x0d\ According to the above regulations, the warranty period of the original heating equipment provided by the developer for residential quarters is 2 heating seasons. The warranty period begins when the developer delivers the house to the owner. \x0d\x0d\ However, the Provisions on the Implementation of Residential Quality Warranty and Residential Use Description System for Commercial Residential Buildings also stipulates as follows: \ x0d \ Article 7 When delivering commercial residential buildings to users, real estate development enterprises shall go through the delivery acceptance procedures, and users shall sign for the normal operation of residential equipment and facilities. The user shall be responsible for the maintenance of the facilities and equipment added or modified by himself after acceptance. \ x0d \ x0d \ that is, if the owner changes, adjusts, replaces or refits the original heating equipment and facilities provided by the developer after taking over the house, the developer will no longer undertake the warranty responsibility. The maintenance responsibility shall be borne by the owner or user.