Everyone loves summer because it’s the time when they go on vacations. However, this season might also bring annoying humidity and sweltering temperatures, thus increasing the demand for aircons serviced by RCD electrical & air conditioning. Solar power can be an effective way to reduce your utility bills as you are blasting your air conditioning system fully this summer.

Cost of running an AC system

Many factors determine how much you should pay for running an AC system, including the power usage, the size of the unit, the frequency of using and the electricity rate. Every modern system should provide a nameplate which shows the consumed power when operating. You can use this number, which is measured in watts (W), to estimate how much electricity your air conditioner will consume each day.

Number of solar panels for an AC

If you are planning to install solar panels to cover the electricity demand for your AC system, it is essential to measure how much extra electricity the number of panels needed can produce. From your calculated energy consumption, the number of solar panels that you would need to install on a solar system will depend on how much the panels receive power from sunlight. This can vary based on a few factors like the system type, the efficiency of the unit, your location and the installation method. Here’s how to have a quick estimate:

Step 1: Measure the additional solar capacity needed

Let’s take an example that you’ve determined your AC system will increase the annual electricity consumption by approximately 4000 kWh. To calculate the number of solar panels to generate this amount, divide this usage amount by the average ratio of production in your region.

Step 2: Divide the needed solar capacity by panel wattage

Next, divide the result of the previous step by the wattage of a panel you are planning to add. Solar panels are available in a variety of sizes, ranging from 250 to 365 W. The final result is the necessary number of panels to cover the energy for your air conditioning system.

Installing a solar air conditioner

Air conditioning does not need to be your reason for choosing solar power. This source of energy can work for other appliances. If you have already installed a system of solar panels, but struggling with the heat, then it’s time to look into other cooling options. Once you’ve installed an air conditioning unit, whether it is central air or window system, your electricity consumption will undoubtedly increase.

The current solar might not cover the whole energy bill after the installation of your air conditioner. If possible, you should install some additional panels to the existing system to meet your demands. Consider having an energy audit and making some energy-efficiency improvements to your home to reduce the baseline consumption.