AC TIPS & ADVICE
Use and selection Practical AC knowledge
Based on manufacturer information and site conditions, learn how to use the AC, judge faults, maintain it, choose a unit and save energy
Article categories
Showing articles 313–336 of 702 · Page 14 of 30
Air conditioner unusual noise: common causes and inspection arrangements
Unusual air conditioner noise may involve various mechanical causes. It is recommended that a professional team inspect and handle it.
Air conditioner is louder and not cold enough: key checks for dirt on the blower wheel
This article breaks down common causes of air conditioner noise and reduced cooling, and explains how regular professional deep cleaning affects operating efficiency
Remote control not responding: battery checks and camera test limitations
First check the battery, contacts and remote type; mobile camera tests have limitations, and you cannot conclude from a single test that the remote or receiver is faulty.
How long should you run the air conditioner before resting: key points for long hours of operation and maintenance
Discuss the characteristics and usage advice for long-hour air conditioner operation, including temperature settings and the importance of regular maintenance
How to Use Air Conditioner Dehumidifying Mode: Operation and Power Consumption Limits
An introduction to how AC dry mode works and usage recommendations under specific conditions
Air conditioner dehumidifying function: how to use it and what to consider when choosing a unit.
This article explains how the dehumidifying function of an air conditioner works, how to use it, and what to consider when buying one.
Higher electricity bills: dust filter maintenance and other inspection directions
Dust buildup in the filter may affect airflow, but higher electricity bills also depend on usage time, settings, and the condition of the unit. Follow the user manual first, then check whether an inspection is needed
It’s uncomfortable when the AC blows directly at the bedhead: airflow direction and sleeping environment
First adjust the airflow direction, temperature and bed position; if headaches or discomfort continue, seek medical help, as the cause cannot be determined by direct AC airflow alone.
AC Ducts: Uses, Types and Access Space
An introduction to the functions of AC air ducts, common types and basic maintenance principles
Should you switch off the AC when you go out to work: usage time and electricity considerations
When you are out for a long workday, switching off the AC is usually the more economical choice
Skin discomfort when the AC is on: the line between environmental maintenance and medical care
Dust and mould buildup inside the air conditioner may affect air quality. Professional cleaning can improve hygiene and equipment performance. If skin discomfort or health problems persist, consult a medical professional
AC has a sour odour: dirt buildup, drainage, and inspection directions
A bad smell from an air conditioner may be caused by mold buildup. This guide explains the importance of professional inspection and cleaning, and provides a service enquiry guide.
Coughing when the AC is on: environmental maintenance is not a diagnosis or treatment
For the hygiene condition and operating efficiency of the air conditioner interior, we provide professional cleaning advice and guidance on identifying system issues.
How to Choose an AC Cleaning Company: Service Scope and Inspection Arrangements
Discuss the importance of regular air conditioner maintenance, distinguish between professional cleaning and fault handling, and provide professional guidance on daily AC maintenance
How to choose an AC brand: specifications, reputation and after-sales service
This article introduces the characteristics of mainstream air-conditioner brands and recommends comparing them from multiple angles such as room size, energy efficiency and smart functions to choose a suitable model
Hiring domestic helpers and part-time cleaners: service arrangement and responsibility notes
This article discusses the pros and cons of hiring a domestic helper versus hourly service, labour insurance legal responsibilities and booking precautions, providing an objective comparison of services and planning advice
Year-Round Air Conditioner Maintenance Plan: Based on Usage and Unit Condition Records
Keep separate records for routine filter checks, internal cleaning and fault inspections, without promising health, energy savings or discounts based on seasons or a fixed number of services
Black Debris Blowing Out of the Air Conditioner: Identify the Phenomenon, Stop Using It and Arrange an Inspection
Black debris from the air outlet cannot be used to determine the type of mould or the level of contamination by colour alone; learn how to record it, the user's cleaning boundary, and the difference between cleaning and repair
Seasonal AC shutdown: complete shutdown, cleaning, and dust protection by model
Before long-term shutdown, check the manufacturer's stop and drying functions first, then handle the filter and dust protection; do not rely on a fixed air-blowing duration or sealing procedure to guarantee mould prevention
[Seasonal AC Care] Why does an unused AC develop a musty smell when the season changes?
Explains the potential causes of odours during seasonal shutdown of AC units and guides users on proper shutdown care
Air conditioner temperature setting for the season change: 25 degrees is not a skin health standard
Distinguish energy-saving advice, the room's actual temperature and humidity, and personal health; there is no autumn skincare temperature that suits everyone, and airflow or AC cleaning is not a cure for dry itchiness.
[Autumn AC Maintenance] Window units and split units need very different care
Before shutting down for autumn, the AC should be properly cleaned and kept dry inside to prevent mould growth during idle periods caused by residual moisture.
Recommended refrigerant top-up tips for a one-to-two AC system
How a dual-split air conditioner works and why regular refrigerant checks matter
Can one AC cool the whole home: first look at the layout, load and airflow
Whether one AC can cover the whole home cannot be judged by horsepower alone; review the room layout, door positions, sunlight exposure and usage needs, and distinguish multi-split systems, ducted systems and zone control.