Around 90% of Those Who Have Test-Run Their ACs Might Be Doing an 'Imitation Test Run': AC Pros Introduce the Correct Method and Optimal Timing
A survey by Daikin Industries revealed that approximately 90% of people who test-run their air conditioners before summer are likely doing it incorrectly. Daikin is promoting the correct method of running the AC at its lowest setting for over 10 minutes.
📋 Article Processing Timeline
- 📰 Published: April 6, 2026 at 23:20
- 🔍 Collected: April 6, 2026 at 15:00
- 🤖 AI Analyzed: April 21, 2026 at 01:50 (346h 50m after Collected)
Daikin Industries, Ltd. is holding its 'Switch On! Campaign' again this year, recommending an 'AC test run' before summer.
To understand the actual situation regarding AC test runs, we conducted a 'Survey on the Implementation Methods of Pre-Summer AC Test Runs' targeting 3,000 men and women nationwide. The results revealed that approximately 90% of those who answered that they 'implement' AC test runs may not be doing so correctly.
Around July, when ACs start being used in earnest, requests for inspections, repairs, and replacements concentrate in the air conditioning industry, making it highly likely that repair responses and installation work will take longer than usual. This campaign proposes early implementation of AC test runs so that you can use your AC with peace of mind during the summer.
Last summer saw record-breaking heat, and the number of people transported by ambulance nationwide due to heatstroke was 100,510*1, the highest since the survey began in 2008. This summer, temperatures are again forecast to be higher than normal nationwide*2, with extreme heat predicted. Under such circumstances, a 'test run' to confirm whether the AC operates normally has become an important initiative for welcoming a safe and comfortable summer.
In this survey, while about 70% of the total respondents answered that they knew about AC test runs, only about 40% had actually experienced doing one. Those who knew about it but had never done it accounted for about 30% of the total. The top reasons for not doing an AC test run included 'because it's a hassle' and 'I think it's necessary but I forget,' indicating that many people who don't do it find it bothersome or miss the timing. On the other hand, it was also found that even among those who do test runs, about 90% may not be doing them properly. Manufacturers and industry groups recommend 'cooling operation at the lowest temperature setting for 10 minutes or more' as the method for an AC test run. However, this survey revealed that about 70% of those who have done test runs use their 'own method' or 'the same operation as when using cooling in the summer.' Furthermore, it highlighted that there are people who thought they performed it while correctly understanding the recommended method, but 'actually failed to implement it as recommended.'
Based on these results, continuing from last year, we will introduce an easy, correct test run method that takes about 10 minutes, along with daily AC maintenance methods that also lead to energy saving, together with the 'Summer AC Test Run Index' and the 2026 edition of the 'Summer AC Test Run Front,' which Daikin devised to support planned AC test runs. With extreme heat expected nationwide this summer, please make use of this information so that you can live comfortably without spending uncomfortable days worrying about heatstroke because you cannot use your AC.
*1 From the Fire and Disaster Management Agency's 'Emergency Transport Situation due to Heatstroke in Reiwa 7 (May-September)'
*2 From the Japan Meteorological Agency's 'Warm Season Forecast: Summer Weather Outlook Nationwide (June-August)' (Announced on February 24, 2026)
● The reason Daikin recommends an AC test run is 'so that you can spend the summer comfortably'
Every year, inquiries and inspection requests for ACs begin to increase around June when people start using them, and in July...
To understand the actual situation regarding AC test runs, we conducted a 'Survey on the Implementation Methods of Pre-Summer AC Test Runs' targeting 3,000 men and women nationwide. The results revealed that approximately 90% of those who answered that they 'implement' AC test runs may not be doing so correctly.
Around July, when ACs start being used in earnest, requests for inspections, repairs, and replacements concentrate in the air conditioning industry, making it highly likely that repair responses and installation work will take longer than usual. This campaign proposes early implementation of AC test runs so that you can use your AC with peace of mind during the summer.
Last summer saw record-breaking heat, and the number of people transported by ambulance nationwide due to heatstroke was 100,510*1, the highest since the survey began in 2008. This summer, temperatures are again forecast to be higher than normal nationwide*2, with extreme heat predicted. Under such circumstances, a 'test run' to confirm whether the AC operates normally has become an important initiative for welcoming a safe and comfortable summer.
In this survey, while about 70% of the total respondents answered that they knew about AC test runs, only about 40% had actually experienced doing one. Those who knew about it but had never done it accounted for about 30% of the total. The top reasons for not doing an AC test run included 'because it's a hassle' and 'I think it's necessary but I forget,' indicating that many people who don't do it find it bothersome or miss the timing. On the other hand, it was also found that even among those who do test runs, about 90% may not be doing them properly. Manufacturers and industry groups recommend 'cooling operation at the lowest temperature setting for 10 minutes or more' as the method for an AC test run. However, this survey revealed that about 70% of those who have done test runs use their 'own method' or 'the same operation as when using cooling in the summer.' Furthermore, it highlighted that there are people who thought they performed it while correctly understanding the recommended method, but 'actually failed to implement it as recommended.'
Based on these results, continuing from last year, we will introduce an easy, correct test run method that takes about 10 minutes, along with daily AC maintenance methods that also lead to energy saving, together with the 'Summer AC Test Run Index' and the 2026 edition of the 'Summer AC Test Run Front,' which Daikin devised to support planned AC test runs. With extreme heat expected nationwide this summer, please make use of this information so that you can live comfortably without spending uncomfortable days worrying about heatstroke because you cannot use your AC.
*1 From the Fire and Disaster Management Agency's 'Emergency Transport Situation due to Heatstroke in Reiwa 7 (May-September)'
*2 From the Japan Meteorological Agency's 'Warm Season Forecast: Summer Weather Outlook Nationwide (June-August)' (Announced on February 24, 2026)
● The reason Daikin recommends an AC test run is 'so that you can spend the summer comfortably'
Every year, inquiries and inspection requests for ACs begin to increase around June when people start using them, and in July...