A high electricity bill is often no mystery—it has specific, measurable causes. This guide ranks the causes by their actual impact and gives you what you can do today.
First: Who consumes the most in your household?
- Air conditioning: 60-70% of the bill in summer
- Water heaters: 10-15%
- Lighting: 5-10%
- Devices: 10-15%
The lesson is clear: any real savings start with the air conditioning. Changing light bulbs alone won't make a noticeable difference.
8 reasons why your bill might be rising
1. Dirty air conditioner
A dirty coil forces the compressor to run longer, potentially increasing air conditioner consumption by 15-25%. Split unit cleaning starts at 120 riyals, and the savings will be noticeable from the first bill.
2. Set the temperature to 18
Lowering the temperature doesn't speed up cooling—the air conditioner cools at the same rate, but it runs continuously. The ideal temperature is 23-24 degrees, and each degree lower increases consumption by approximately 6%.
3. Cold air leakage
Poorly sealed doors and windows let in cool air. Simple insulation provides more than you'd expect.
4. Poor roof insulation
An uninsulated roof absorbs heat during the day and radiates it into the house at night. Insulation is one of the highest-yielding investments in the Saudi climate.
5. Heater that operates 24 hours a day
A continuous heating element heats water that isn't in use. A timer that activates two hours before use saves a considerable amount of water.
6. Old devices
A fifteen-year-old refrigerator may consume twice as much energy as a new one. Inverter air conditioners offer 30-40% energy savings compared to traditional models.
7. Standby mode
Chargers and screens consume power silently. The percentage is small, but it's continuous, around the clock.
8. Electrical fault or ground leak
The hidden cause: a leak in the electrical wiring that wastes electricity and could pose a fire hazard. If your bill suddenly spikes for no apparent reason, get a bill increase report starting from 99 riyals —cheaper than a month of wasted electricity.
Quick test: Do you have an electrical leak?
- Turn off all appliances and circuit breakers.
- Monitor the electricity meter
- If it continues to spin, there is a leak in the network.
This test is not just a matter of billing — it's a matter of safety.
What is truly worth implementing
Free
- Increase the air conditioner temperature to 23-24 degrees.
- Clean the air conditioner filters monthly.
- Close the doors of unused rooms
- Turn off the heater when not in use.
Low cost, quick return
- Comprehensive AC cleaning before summer — from 120 riyals
- Consumption check with report — from 99 riyals
- Upgrading the efficiency of 3 air conditioners — 450 riyals
- Door and window seals, water heater timers, and LED bulbs
long-term investment
- Thermal insulation for the roof
- Replacing old air conditioners with inverters
- Solar water heater or photovoltaic panels
It varies depending on your city.
- Riyadh and the interior: Air conditioning is the battle — focus on insulation and washing
- Jeddah, Dammam, and coastal cities: Humidity increases the load — removing humidity helps the cooling system.
- Abha, Taif, Al-Baha, and Tarif: Heating in winter is the biggest issue — insulation serves you well in both directions.
Frequently Asked Questions
Does turning off the air conditioner when leaving save money?
For a long absence, yes. For a short absence, turn up the heat instead of turning it off—recooling a fully heated room consumes more energy.
Does a fan with an air conditioner save money?
Yes. The fan distributes cool air, so you feel cooler at a higher temperature, and it costs very little.
When should I suspect a defect rather than just consumption?
If your bill jumps more than 40% without any change in your lifestyle or the weather — ask for a check.
Summary
Start with air conditioning, as it accounts for two-thirds of the bill. A thorough wash + setting the thermostat to 24 degrees + basic insulation = a noticeable difference from the first month. And if the increase is sudden and unexplained, don't assume the consumption is high—check.
Book a consumption check via Check at a clear, pre-set price, in more than 80 cities.