The main and most important function of the economy mode is to help reduce the air conditioner's total energy consumption. This mode is very suitable when your goal is to keep the room at a constant temperature that is not too low.
This is the ideal mode for users looking to save up on energy bills by toning down the performance of the AC and its compressor. Eco-mode uses less electricity by automatically adjusting the fan speed and temperature, while still maintaining a comfortable level of cooling.
Cooling systems with higher SEER ratings, on average, use less power to operate and are more energy efficient. Energy-saving features of ductless mini-split systems and variable-speed air conditioners are widely recognized in the industry.
Experts suggest that the optimal AC temperature is around 78°F (25.5°C) during the summer months. This temperature keeps you cool without overburdening your energy consumption. It's like the Goldilocks zone – not too hot, not too cold.
A 5-Star AC consumes less power compared to a 3-Star or 4-Star AC. Typically, a 5-Star AC will consume around 20-30% less power than a 3-Star AC. The difference in power consumption can vary depending on usage and room conditions, but the 5-Star model is the most efficient.
The window AC is the most efficient in saving energy, while the split AC has the highest electricity consumption.
Split systems: These are generally cheaper to run and suited for single rooms or open-plan areas. Ducted systems: These are more expensive to operate but ideal for whole-home cooling. Window units: They are cheaper to purchase but less efficient to run than split systems.
You can also reduce your energy costs significantly by raising the temperature while you are at work, away from home, or asleep. For the greatest savings, consider setting your thermostat to: About 78 degrees while you are at home. About 82 degrees while you are sleeping.
While the standard room temperature of 72 degrees Fahrenheit is commonly favored by many, others argue for higher settings, particularly when it's hotter outside.
According to the Department of Energy1, 78° Fahrenheit is the sweet spot for air conditioners to balance energy savings and comfort when people are at home and need cooling. But in reality, this is a question that doesn't have a “one size fits all” answer.
Set the thermostat as high as comfortably possible during hot weather. The less difference between the indoor and outdoor temperatures, the lower your cooling bill will be. Keep your house warmer when you aren't home during the day, but cooler when you come home at night.
Cool mode: Ideal for hot days, this mode reduces the room temperature to your desired setting. Dry mode: Perfect for humid conditions, this mode removes excess moisture from the air without significantly reducing the temperature.
Use economy mode
This feature comes in handy if you are using your aircon for long periods of time. So if you use the system all day and night, simply activate the economy mode. Viola, you will not only stay cool but also save some money.
Set a timer
The most important thing to do in order to reduce power consumption is setting a time for your AC. You should avoid running the AC whole night and instead set a timer for 1-2 hours, which is the time you need to fall asleep.
Keep your programmable thermostat set as high as is comfortable (the DOE recommends 78 degrees Fahrenheit), and when you're away from home, set the temperature even higher. You can trim 10 percent off your energy bill by setting your thermostat by 7 to 10 degrees higher for eight hours a day, the DOE estimates.
Keeping a Reasonable Temperature: One will use 3 to 5 per cent less energy for each degree air conditioner is set above 25 degrees C to provide the most comfort at the least cost. Keeping ACs at (24–26 degrees C) can save electricity.
One great way to lower energy costs is to avoid cooling an empty house. This is especially true during the middle of the day. If everyone in your household is either at work or school, then turning the temperature to 78-80 degrees will save you a chunk of change when the energy bill arrives.
Your air conditioning system is one of the biggest culprits behind skyrocketing electric bills. When your air filter is dirty, refrigerant levels are low, your thermostat is faulty or you lack proper maintenance, your A/C system can end up using a lot more energy than it should.
The EPA says that for every degree warmer you set your AC, you can save 6 percent on your cooling costs, although you get diminishing returns as you go higher and higher. Put simply, if your cooling bill is usually $170, setting your thermostat a single digit higher will save you over $10 a month.
In short, the 20-degree rule of air conditioning states that you should always keep your AC unit at no more than 20 degrees lower than the outside temperature. It means that, if the outdoor conditions are at 95 degrees, you should set your thermostat at no less than 75 degrees.
Inverter Air Conditioners are much more energy efficient than their non-inverter counterparts: they can save up to 30% on electricity compared to non-inverters. Non-inverter air conditioners use the on/off method, where the compressor is switched on and off at regular intervals to maintain the desired temperature.
This means an AC unit could cost you from $5.17 to $5.94 per day to run. Or about $155-$178 per month you're running it. Let's say you still have an ideal home setup, but a home that's a little bit less than the size of the average home – around 1900 square feet.