How to obtain evidence if the heating temperature is not up to standard?

During heating, if the owner finds that the indoor temperature is not up to standard, he should immediately call the heating unit, or call the supervision telephone of the relevant heating supervision department, and the staff of the heating unit and supervision department will come to the door to measure the room temperature, or entrust a third-party institution with room temperature testing qualification to test it, and issue a written measurement record. Only this test result can be legally proved.

At the same time, relevant evidence can be fixed by applying for evidence preservation notarization.

Extended data:

Relevant laws and regulations on compensation for substandard heating temperature;

Taking Heilongjiang as an example, according to the Regulations on Urban Heating in Heilongjiang Province:

Thirty-sixth residential users indoor temperature is lower than the minimum temperature stipulated in these regulations or the temperature agreed in the contract, the user can inform the heating unit. The heating unit shall conduct on-site temperature measurement within 10 hour from the date of receiving the notice. If both parties have no objection to the unqualified temperature, they shall sign the temperature measurement time and results, and the heating unit shall take improvement measures within 24 hours. If the temperature standard is not reached within 48 hours from the date of notification, the heating unit shall refund the heating fee to the user on a daily basis from the date of receipt of the notification.

If both parties have objections to the temperature not reaching the standard, residents can complain to the competent heating department. The competent heating department shall, within 24 hours from the time of user's complaint, determine the indoor temperature by means of on-site free measurement. If the heating unit fails to meet the heating standard, the competent heating department shall order the heating unit to take corrective measures. If it is not corrected within 48 hours from the date of the user's complaint, the heating unit shall refund the heating fee to the user in accordance with the provisions of the third paragraph of this article from the date of the user's notice.

If the indoor temperature of residents is lower than 18℃ and higher than 16℃ (including 16℃), the user will be refunded 30% of the daily standard heating fee; If the room temperature is lower than 16℃ and higher than 14℃ (including 14℃), 50% of the user's daily standard heating fee will be refunded; If the room temperature is lower than 14 degrees, the user will be refunded 100% of the daily standard heating fee. Belong to the heat source unit, by the heating unit in advance, and then recover from the heat source unit.

Total return of heat fee = daily standard heat fee × days when indoor temperature is not up to standard × return ratio of heat fee when indoor temperature is not up to standard.

Daily standard heating fee = total heating fee payable by users ÷ number of days of heating period in the whole year.

If the minimum heating temperature standard set by the people's government of the city or county is higher than the provisions of these regulations, the responsibility for heating failure shall be investigated in accordance with the provisions of the people's government of the city or county.

Non-resident users shall bear corresponding liabilities for breach of contract in accordance with the contract.

Baidu Encyclopedia-Regulations on Urban Heating in Heilongjiang Province

The Supreme People's Procuratorate, People's Republic of China-How to obtain evidence if the heating temperature is not up to standard?