Quick answer: A higher bill can result from greater kWh consumption, hotter weather, longer appliance use, inefficient settings, dirty filters, worn components or billing adjustments. Compare usage—not only the RM total—before blaming one appliance.
Has your electricity bill increased even though your household routine has not changed much?
For example, a bill rising from RM420 to RM598 represents an increase of approximately 42%. The amount will differ for every household, but the question is the same: what is causing the increase?
Older or poorly maintained appliances could be one possible reason. However, hotter weather, longer operating hours, dirty filters, incorrect settings and billing adjustments may also contribute.
Do Old Appliances Use More Electricity?
Not every old appliance is inefficient. A well-maintained appliance may continue working effectively for years.
However, worn components, blocked filters and poor maintenance may force an appliance to work harder. Older models may also lack the energy-saving technology available in newer appliances.
Here are some appliances worth checking.
1. Refrigerator
A refrigerator operates throughout the day and may consume more electricity when:
- The door seal is damaged
- Ice has built up inside
- Ventilation areas are blocked
- The temperature is set too low
- The motor runs almost continuously
If it struggles to maintain a stable temperature, it may need cleaning, repair or replacement.
2. Air Conditioner
Your air conditioner may be working harder because of:
- Dirty filters
- Open doors or windows
- A very low temperature setting
- Poor room insulation
- An incorrectly sized unit
- Lack of regular servicing
TNB advises choosing an air conditioner with a suitable capacity for the room, as an incorrectly sized unit may operate inefficiently. Tenaga Nasional Berhad
3. Water Heater
Water-heater electricity usage may increase when the unit takes longer to heat water or when household members take longer showers.
If it leaks, smells unusual, produces unstable temperatures or repeatedly trips the circuit breaker, stop using it and arrange a professional inspection.
4. Washing Machine
Repeated cycles and unsuitable settings may increase both water and electricity consumption.
Check whether you are:
- Running several small loads
- Overloading the drum
- Using unnecessarily hot cycles
- Rewashing clothes
- Ignoring a blocked filter
A washing machine that does not drain properly or produces unusual noises may require servicing.
5. Devices Left on Standby
Televisions, computers, printers, game consoles and chargers may continue drawing small amounts of electricity while plugged in.
One device may not make a big difference, but several devices connected throughout the day can add to total consumption. Switch off suitable equipment when it is not needed.
Warning Signs to Check
Your appliance may be consuming more electricity if you notice:
- Longer operating times
- Reduced cooling or heating
- Unusual noises
- Excessive heat
- Frequent repairs
- Damaged door seals
- Repeated error codes
If you notice sparks, smoke, burning smells or damaged wiring, stop using the appliance and contact a qualified technician.
Should You Repair or Replace It?
Do not replace an appliance simply because it is old.
Repair may be worthwhile when the problem is minor, spare parts remain available and the appliance still performs efficiently.
Replacement may make more sense when:
- Repairs are becoming frequent
- Performance continues to decline
- Electricity consumption remains unusually high
- Parts are unavailable
- Repair costs are close to replacement costs
Ask a qualified technician to assess it before making an expensive decision.
Choosing an Energy-Efficient Replacement
When buying a new appliance, compare more than the selling price.
Check:
- Malaysia’s energy-efficiency star rating
- Estimated energy consumption
- Correct capacity for your household
- Warranty and after-sales service
- Installation and maintenance costs
Malaysia’s energy label helps consumers compare the efficiency of regulated appliances such as refrigerators, air conditioners and washing machines. Suruhanjaya Tenaga
Check Before Your Next Bill Arrives
A higher bill does not automatically mean your old appliances are responsible.
Compare your monthly electricity usage in kWh, check for changes in household routines and inspect major appliances for signs of poor performance.
If an appliance is consuming excessive electricity, performing poorly or requiring frequent repairs, upgrading to a properly sized, energy-efficient model may offer better long-term value.
Follow MyHome Exhibition for more practical home appliance, maintenance and energy-saving tips.
