Do You Need to Reinforce or Store Away Your Air Conditioner Outdoor Unit During a Typhoon?
TyphoonSays·防御问答 · Prepared Defense · 更新 at 2026-07-16
Air Conditioner Outdoor Units: Reinforcement Is More Critical Than Storage
When a typhoon approaches, many residents immediately think of bringing in flower pots and laundry from their balconies, but they often overlook the air conditioner (AC) outdoor units mounted on exterior walls. First, it is important to clarify a key fact: most residential AC outdoor units cannot and should not be "stored away." They are typically secured to building exteriors using metal brackets. Dismantling them is not only labor-intensive but may also damage the wall's waterproofing layer or refrigerant pipes. Therefore, the focus of disaster preparedness should not be on "storage," but on "inspection" and "reinforcement."
According to the national standard for tropical cyclone grades issued by the China Meteorological Administration (CMA), when a typhoon reaches the level of a severe tropical storm or higher, wind forces can pose a threat to objects suspended outdoors. Although the brackets for outdoor units in ordinary residences are designed with a certain degree of wind resistance, years of exposure to wind and rain can cause screws to loosen and brackets to rust. If the unit is not securely installed, or if the bracket shows significant signs of rust, it could become a dangerous "falling object from height" during strong winds.
Self-Inspection Checklist: Three Steps to Eliminate Hazards
Before the typhoon makes landfall, we recommend taking a few minutes to perform a quick "health check" on your AC outdoor unit. Please prioritize safety: do not lean out of windows. Observe through the glass from indoors, or check from inside the balcony only if it is absolutely safe to do so:
- Check the Bracket Condition: Observe the triangular brackets securing the outdoor unit for any signs of severe rust, deformation, or fracture. If the bracket appears unstable, do not attempt to handle it yourself; immediately contact professional maintenance personnel or property management for emergency reinforcement.
- Inspect Fixing Screws: Check whether the expansion screws connecting the wall and the bracket are loose. If screw caps are missing or the bracket wobbles, it indicates insufficient fixation, and professionals need to retighten them.
- Clear Surrounding Debris: Ensure there is no clutter around the outdoor unit. Specifically, do not place flower pots, mops, or other items on top of the unit. These items can easily be blown off by strong winds, potentially injuring pedestrians or damaging vehicles below.
Warning Response and Follow-up Actions
When meteorological departments issue yellow, orange, or red typhoon warning signals, various regions typically activate corresponding school and work suspension mechanisms. Note that standards may vary by location; please refer to announcements from local authorities. During a red warning period, wind speeds are extremely high, and all outdoor operations, including attempts to reinforce outdoor units, are strictly prohibited. If you discover serious safety hazards during your self-inspection and cannot immediately reach professionals, the safest course of action is to warn neighbors downstairs and passersby to avoid the area, and report the risk in owner groups or community networks.
After the typhoon passes, do not ignore the outdoor unit. It is advisable to check again whether the unit has shifted and listen for any unusual noises during operation. If you notice reduced cooling efficiency or increased noise, it may indicate damaged internal fan blades or water ingress into the motor. In such cases, stop using the unit and contact after-sales service for inspection. Disaster prevention is no small matter; a minor oversight can lead to major consequences. Proactive inspection is a responsible act toward the safety of yourself and others.
Real-time typhoon tracks can be queried at TyphoonSays (taifengshuo.com)
This article is typhoonsay's original copy content, and the local policy standards are based on the local government's latest release.