[Ouchi ni Pro] Survey on the Possibility of Spreading Dirt While Cleaning Air Conditioners

Survey Summary * Nearly half (44%) of respondents have used commercially available air conditioner cleaning sprays to clean their air conditioners. * 30% of respondents felt that the 'odor returned' within a few months after cleaning with air conditioner cleaning spray. * 61% of respondents have wiped deep inside the air conditioner's air outlet directly with a cloth wrapped around chopsticks or similar. * 18% of respondents have sprayed alcohol disinfectant directly onto their air conditioners, which is a dangerous act and should be stopped.

Overview of the Survey on the Possibility of Spreading Dirt While Cleaning Air Conditioners To provide more useful information to those troubled by air conditioner cleaning, 'Ouchi ni Pro' conducted an independent survey titled 'Survey on the Possibility of Spreading Dirt While Cleaning Air Conditioners.' The outline of the survey is as follows:

### Survey Purpose An questionnaire survey on the possibility of spreading dirt during air conditioner cleaning.

### Tool Used for Survey CrowdWorks

### Number of Respondents 100 people (Male: 44, Female: 53, No answer: 3)

### Age Group of Respondents 10s: 1 person, 20s: 10 people, 30s: 30 people, 40s: 38 people, 50s: 16 people, 60s and above: 5 people

### Survey Method Internet research

### Survey Period May 2026

### Survey Area Japan

### The survey contents are also published on this page: [Independent Survey] Questionnaire Survey on the Possibility of Spreading Dirt While Cleaning Air Conditioners | Ouchi ni Pro

### Have you ever cleaned your air conditioner using a commercially available air conditioner cleaning spray? * Many times: 21 * Once: 23 * Never: 56

### After using air conditioner cleaning spray, have you experienced the 'odor returning' within a few months? * Yes, I have experienced it: 30 * No, I have not experienced it: 9 * Don't remember: 7 * Have never used spray: 54

### Have you ever wiped deep inside the air conditioner's air outlet by wrapping a cloth around chopsticks or similar? * Often: 12 * Sometimes: 49 * Never done it: 39

### Have you ever reattached the filter after washing it with water without completely drying it? * Yes, I have: 15 * No, I haven't: 79 * Have never removed the filter: 6

### Have you ever sprayed alcohol disinfectant directly onto your air conditioner? * Yes, I have: 18 * No, I haven't: 82

### When vacuuming dirt from the air conditioner filter, do you vacuum from the front or the back? * Front side: 73 * Back side: 24 * Have never removed the filter: 3

About Ouchi ni Pro 'Ouchi ni Pro' is a comparison and reservation site where you can reliably select various services related to your home from trusted professional service providers. It lists a wide range of services closely related to daily life, such as air conditioner cleaning, water area cleaning, house cleaning, and bereavement cleaning, allowing you to efficiently find service providers that meet your conditions from over 4,000 registered providers nationwide, based on service areas, price ranges, service contents, and more than 20,000 user reviews. The review information reflects evaluations and impressions from actual users, allowing even first-time users to consider services with peace of mind. Currently, a review posting campaign is underway, and those who post reviews will receive up to 1,000 yen worth of digital gifts. 'Ouchi ni Pro' supports the creation of a more comfortable living environment through reliable and satisfactory service provider selection.

### [Service Areas] Hokkaido / Aomori Prefecture / Iwate Prefecture / Miyagi Prefecture / Akita Prefecture / Yamagata Prefecture / Fukushima Prefecture / Ibaraki Prefecture / Tochigi Prefecture / Gunma Prefecture / Saitama Prefecture / Chiba Prefecture / Tokyo / Kanagawa Prefecture / Niigata Prefecture / Toyama Prefecture / Ishikawa Prefecture / Fukui Prefecture / Yamanashi Prefecture / Nagano Prefecture / Gifu Prefecture / Shizuoka Prefecture / Aichi Prefecture / Mie Prefecture / Shiga Prefecture / Kyoto Prefecture / Osaka Prefecture / Hyogo Prefecture / Nara Prefecture / Wakayama Prefecture / Tottori Prefecture / Shimane Prefecture / Okayama Prefecture / Hiroshima Prefecture / Yamaguchi Prefecture / Tokushima Prefecture / Kagawa Prefecture / Ehime Prefecture / Kochi Prefecture / Fukuoka Prefecture / Saga Prefecture / Nagasaki Prefecture / Kumamoto Prefecture / Oita Prefecture / Miyazaki Prefecture / Kagoshima Prefecture / Okinawa Prefecture

About Zero Axel Co., Ltd. Zero Axel Co., Ltd. is engaged in business activities with the philosophy of enriching people's lives through 'creating new value.' The company operates a wide range of businesses, including pet food, cosmetics, shared offices, web media management, and advertising operations, and is expanding its business with the aim of going public, leveraging its extensive experience in web marketing.

### Location Nittele Yotsuya Building 10F, 5-3-23 Kojimachi, Chiyoda-ku, Tokyo

### Representative Representative Director: Hiroki Daifuku

### Established April 2020

### Business Content Media operation business

### Official Website: https://zeroaxel.com