Remove the dust filter from the wall-mounted AC with both hands (AI illustration)
AC TIPS & ADVICE

Should the AC be cleaned before moving into a rental? A breakdown of rental AC cleaning and repair responsibility

Contents

Renting a flat in Hong Kong, receiving the keys to a new home is often both exciting and anticipated. After moving in, of course the first thing is to turn on the air conditioner and enjoy the cool air. However, many tenants find that when they switch on the old air conditioner left by the previous occupant, a strong musty smell hits them, or they even discover that the airflow is weak and it is not cold enough at all. At that point, questions naturally arise: “This air conditioner is so dirty, do I need to pay for rented-home air conditioner cleaning myself? If it breaks later, who should pay for repairs, the landlord or me?” Air conditioner repair and maintenance between tenants and landlords has always been a major source of tenancy disputes. Today, from a professional perspective, we will break down the cleaning and responsibility issues surrounding old air conditioners upon move-in!

Why is it strongly recommended to arrange AC cleaning before moving into a rental flat?

Many tenants think, ‘The place is rented anyway, and the AC isn't mine, so why should I clean it?’ This mindset often creates hidden problems for future living quality.

  • Leftover occupant’s 'hidden hygiene spots': during the previous tenant’s occupancy, dust and hair may have built up inside the AC blower wheel and evaporator. If not cleaned, it may affect indoor air quality when the unit is turned on.
  • Key to cooling and efficiency: dirt covering components will reduce cooling efficiency. Deep cleaning before moving in can help ensure sufficient airflow and prevent the AC from running inefficiently due to excessive load.

Tenant or landlord pays? A full breakdown of AC repair responsibility in Hong Kong rentals!

In standard Hong Kong tenancy agreements, clauses about air conditioner maintenance and repair are often written quite vaguely and frequently become a source of disputes.

  • Routine maintenance and minor repairs are the tenant's responsibility: generally, during the lease term, daily AC cleaning, regular filter washing and minor issues caused by improper use or lack of cleaning are usually considered part of the tenant's AC maintenance responsibilities.
  • Natural wear and major repairs are the landlord’s responsibility: if the air conditioner is already old and neglected, and problems such as compressor damage, refrigerant leakage or a burnt main board are caused by normal ageing and wear rather than human damage, then in principle the landlord should arrange and pay a technician to replace or overhaul it. However, the tenant must first prove reasonable use and maintenance in daily life.

How do you clarify the grey area between "natural wear and tear" and "man-made damage"?

When the AC breaks down, the last thing anyone wants is for the owner and tenant to blame each other. To avoid this kind of "one side says one thing, the other side says another" situation, the key is to keep detailed records at handover.

  • Move-in inspection and photo record: in the first few days after moving in, be sure to turn on all AC units for testing and check the cooling speed, noise level and whether there is any dripping. If there are problems, report them to the owner or estate agent immediately and take photos to record the condition.
  • Disputes caused by long-term lack of cleaning: if an air conditioner has never been cleaned for several years, causing the fan wheel to become heavily clogged and stuck or poor heat dissipation to burn out the motor, the landlord will usually question whether the tenant has failed to fulfil maintenance obligations and may refuse full compensation. Therefore, regular AC cleaning is not only for health, but also a way to protect yourself from extra financial loss.

Tenant AC maintenance: how to avoid losing your deposit before moving out?

When the tenancy is ending and you are preparing to move out (commonly called "handover vacant"), the AC is often one of the landlord’s key inspection items.

  • Regular dust filter cleaning: Washing the dust filter every two to three weeks can effectively stop most large dust particles from entering the unit.
  • Deep cleaning before moving out: before returning a rented property, tenants are usually responsible for restoring the home to a reasonably clean condition. If the air conditioner casing has yellowed or the air outlet is covered with black mould, the landlord has the right to hire a professional cleaning company to clean it and deduct the related cost from the deposit. Rather than having the deposit deducted passively, it is better to arrange a professional cleaning before moving out and return the unit cleanly and neatly.

Seek help from a professional team

Rental living should be easy and comfortable, but if you face complicated AC cleaning, odour problems or an unexplained fault, handling it blindly on your own can easily make things worse and may also cause unnecessary tenancy disputes. If you have just moved into a new home and find the AC needs deep cleaning urgently, or if you want a full inspection and maintenance for an old unit during the tenancy, seeking help from a professional team is definitely the most worry-free and efficient approach. Professional technicians can provide precise AC cleaning, performance testing and maintenance advice, helping you enjoy quiet, cool and healthy air throughout your tenancy and live with peace of mind and comfort!

Frequently Asked Questions (FAQ)

Q1: If I have just rented a unit and find that the air conditioner is not cooling at all, who should pay for the repair?

A: This depends on the lease terms and the cause of the fault. If a serious AC defect is found shortly after vacant possession, such as a refrigerant leak or a broken compressor, it is usually considered a defect in the fixtures and fittings at handover and should be repaired by the landlord. But if the problem is due to long-term dust buildup causing poor operation, responsibility needs to be clarified with the landlord. It is recommended to test everything thoroughly within the first week of moving in and report it to the landlord.

Q2: When a lease ends, does the landlord have the right to require the tenant to hire a professional for AC cleaning?

A: This mainly depends on whether the lease signed by both parties clearly states that a professional AC cleaning receipt must be returned when moving out. If the lease clearly requires this, the tenant must comply. If it does not say so, but the air conditioner looks extremely dirty, smells bad, or shows mould when the unit is handed back, the landlord will usually still require it to be cleaned, otherwise a cleaning fee may be deducted from the deposit.

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