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Best Inverter For Home Use in South Africa [Updated 2024]

best inverter for home use
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Investing in a reliable inverter for your home is crucial, especially if you aim to achieve complete off-grid independence or to reduce your reliance on Eskom. To find the best inverter for home use, we advise exploring this page and familiarizing yourself with the definitions provided before making your selection.

This blog post will help you understand why some home inverters are more expensive than other solar inverters. These definitions can be applied to any brand of solar inverter, whether supplied by us or not.

Explore this blog post to gain insights into why certain home inverters carry a higher price tag compared to other solar inverters. These explanations are universally applicable to any brand of solar inverter, whether sourced from us or elsewhere.

Why Use An Inverter For Your Home?

To establish a reliable and continuous power supply for your home through solar energy, it’s essential to go beyond the installation of large solar panels on your roof. The key to maximizing efficiency lies in selecting the best inverter for home use.

The electrical power generated by the solar panels is channelled through this crucial component, the hybrid solar inverter. This selected inverter serves as a pivotal element in the solar power system, ensuring the conversion of the sun’s energy into optimal and usable electrical power for your home.

home solar inverter system showing how power from solar panels are converted using a solar inverter and stored in solar batteries for home use.

A hybrid solar inverter is necessary for the operation of a solar system. It is in charge of converting the power collected by the solar panels into a safe current that can be used in your home. 

An inverter converts direct current (DC) into alternating current (AC), which is used by most appliances in our homes. An inverter must have enough power to handle all the loads on your system.

How Do I Choose The Best Inverter For My Home?

To begin, it’s essential to determine the optimal inverter for your home, taking into account your current power consumption. Our offerings encompass three distinct types: Hybrid, Grid-Tied, and Off-Grid inverters, each designed to meet specific home requirements.

When selecting an inverter for home use, bear in mind that each variant comes with unique capabilities. It’s important to note that the more advanced and larger the solar inverter, the higher the associated price tag — details on this will be explored further in this post, shedding light on the best inverter for home use and its cost considerations.

If you’re looking for a reliable, high-quality inverter, then you need to consider what kind of load you’ll be running. You should also take note of how much power you will use at any given time. This will help you determine whether you need a standard inverter or a more powerful model.

The size of your inverter is entirely determined by what you need to power. You can figure it out by adding the combined power needs of each device in your home. Remember to distinguish between necessities and low- and high-load household appliances such as stoves, pumps, geysers, and kettles. You can compare the backup power system’s capacity to the total amount of power required for everything you want to continue running while load shedding is in effect.

Types Of Inverters For Home Use

We currently supply 3 types of inverters that work great if there is a power outage. Both work by converting direct current into alternating current by making use of an AC inverter. However, there are some differences between them.

1. Hybrid Inverters

Your hybrid solar inverter is the best solar inverter South Africa has to offer for home use. It can be used as an off-grid and on-grid solar solution.

Its main advantages include mixing energy sources (solar, battery, and grid) to make the system as efficient as possible.

Hybrid inverters blending capability ensures that you don’t waste any of the solar power energy generated. Hybrid Inverters are a great investment because of this feature and will save you thousands on electricity in the long run.

View our collection of Hybrid Solar inverters for sale

2. Off-Grid Inverters

The classic off-grid solar inverter has been around for quite some time.

A major downside of off-grid solar inverters is that if your power usage exceeds the amount of solar you produce, the off-grid solar inverter will switch over to the grid. In the end, you find yourself wasting valuable (and free) solar power.

Besides that, they are more affordable than hybrid inverter options. However, if you want to add solar later on, we strongly recommend a hybrid power solution.

3. Grid-Tied Inverters

A Grid inverter allows you to switch between solar and grid power. When solar energy is available, it will be used as the main source of energy. But when solar power is weak usually during peak power usage, it will switch to grid electricity.

Grid-tied solar power inverter systems are ideal for homes or businesses that consume most of their electricity during the day and want to substitute grid use with solar energy. A grid inverter is also less expensive.

Do I Need a Battery For My Inverter?

If you’re wondering if a solar inverter can run without batteries, the short answer is yes it can! But only if you choose to install a hybrid inverter solution that converts Solar energy into AC power using your Hybrid inverter. This only works when you have sufficient Sun and if you have Solar panels capable of producing continuous power/usable power output.

Solar inverters, or solar inverters and battery combos, are becoming more and more popular in South Africa, but there’s still a lot of confusion about how they work. Many people think that solar inverters only work with batteries, but that’s not the case. There are two types of solar inverters- those that work with batteries and those that don’t.

A hybrid solar inverter is a great option for people who want the benefits of solar power but don’t want to install a battery bank. Hybrid solar inverters can last for years without a battery, making them a great option for people who live in areas where electricity is unreliable or for people who only want to use solar panels to supplement their current energy use.

You can read more about this here: https://offgridpowersolutions.co.za/can-a-solar-inverter-work-without-batteries/

Consider inverter capacity

The amount of power that the inverter is capable of supplying continuously is known as the inverter capacity. The inverter’s rating must be at least 25% greater than the total amount of power needed to run all connected appliances at once. For the required capacity, multiple inverters can be wired in series or parallel to provide the correct power output.

best inverters for home use
Example of multiple inverters used to provide backup power to our IT department server cabinets.

Voltage and current are combined to create power, which is expressed in watts (W). At any given time, there are probably several electrical loads in your home. Add up all the loads to determine the continuous capacity of the inverter.

For instance, a simultaneous use of a 500W washing machine, a 400W television and stereo, a 400W refrigerator, and 100W of CF lamps would require a total power of: 500 + 400 + 400 + 100 = 1,400W

Take note: 1 kw(kilowatt) is 1000w (watts)

You can read more about inverter capacity here.

What Can A 5000w (5kw) Inverter Run In My House?

A 5000-watt inverter is a higher-capacity power inverter capable of running a wide range of devices and appliances. With its increased power output, it can handle more demanding electrical loads. Here are some examples of what a 5000-watt inverter can potentially run:

  1. Household appliances: A 5000-watt inverter can power essential home appliances such as refrigerators, freezers, air conditioners, washing machines, dryers, and microwave ovens. However, keep in mind that these appliances may have different power requirements, so it’s essential to check their individual power ratings.
  2. Power tools: Heavy-duty power tools like table saws, mitre saws, large drills, air compressors, and electric welders often require high wattage to operate. A 5000-watt inverter can handle these power-hungry tools effectively.
  3. Home entertainment systems: A 5000-watt inverter can power large flat-screen televisions, audio/video receivers, gaming consoles, DVD or Blu-ray players, and home theatre systems, providing an enjoyable entertainment experience.
  4. Heating devices: Electric heaters, including space heaters or electric fireplaces, often consume significant power. A 5000-watt inverter can accommodate these heating devices, although it’s important to be mindful of the inverter’s continuous power output to prevent overloading.
  5. Multiple smaller appliances: With its high capacity, a 5000-watt inverter can power several smaller appliances simultaneously. This includes combinations of kitchen appliances, computers, printers, fans, and other electronic devices.

It’s important to note that while a 5000-watt inverter can handle a variety of appliances, the actual power consumption of each device can vary. Always check the power ratings of the appliances you plan to use to ensure they fall within the inverter’s capacity and consider any potential startup or surge power requirements for certain devices.

How Many Solar Panels Do I Need For a 5000w Inverter?

The number of solar panels needed to support a 5000W inverter depends on several factors, including the wattage rating of the individual solar panels and the efficiency of the panels. To calculate the approximate number of solar panels required, you can follow these steps:

  1. Determine the wattage rating of the solar panels: Let’s assume you have solar panels with a wattage rating of 300W each.
  2. Calculate the total wattage needed: To match the 5000W inverter capacity, divide 5000 by the wattage rating of each panel. In this case, 5000W divided by 300W equals approximately 16.7.
  3. Account for efficiency and losses: Solar panels have an efficiency rating that represents how effectively they convert sunlight into electricity. This efficiency can vary, typically ranging from 15% to 20%. To account for efficiency and other potential losses, it’s recommended to multiply the total wattage calculated in step 2 by a factor of 1.2. So, 16.7 multiplied by 1.2 equals approximately 20 panels.


Please note that this is a rough estimate, and the actual number of panels required can vary depending on the specific characteristics of the solar panels, such as their efficiency, temperature conditions, shading, and geographic location. Additionally, it’s important to consider other factors like available roof or ground space and local regulations or restrictions on solar installations.

To get a more accurate assessment and design a solar system tailored to your needs, it’s advisable to consult with a professional solar installer or an expert in renewable energy systems. They can perform a detailed analysis based on your location, energy consumption, and specific requirements to determine the optimal number and configuration of solar panels for your 5000W inverter.

Conclusion

Based on the information above you will be better off using a Hybrid Inverter with a good set of solar batteries and solar panels. For most homes, a 5000w (5kw) inverter will be more than efficient to power your house. If you require any assistance feel free to contact our specialists to assist you in choosing the best system for your business or home.

Frequently Asked Questions

How do I measure my household’s power consumption?

To calculate an appliance’s power consumption, multiply its wattage by the number of hours it is in use (operational hours). For example, one hour of use of a 1000-watt electric iron will consume (1000 watts X 1 hour) 1-kilowatt hour (kWh) of electricity = 1000 watt-hours

How long do solar inverter batteries last?

Solar Inverter Battery life depends on several factors. Home solar lithium battery units have a lifespan of 5 to 15 years. If you install a solar battery today, it’s almost certain you’ll need a replacement in the future to match the 20- to 30-year lifespan of your solar power system.

What is surge power on a home inverter?

Power surges occur when there is a significant increase in the current in your electrical system. They only last a fraction of a second, but they can permanently damage any outlets or plugged-in appliances. This is because the power surge overloaded the circuits in your electrical system.

Best Inverter Battery for my home?

This depends on your budget and home solar setup and requirements, view all of the solar batteries we have for sale here: Best solar battery for home use

What is a Pure sine wave inverter?

A pure sine wave inverter is an electronic device that converts direct current (DC) to alternating current (AC). It does this by converting the DC input into a pure sine wave output.

Is a 5kw inverter enough to run a house?

A 5 kW inverter is generally considered enough to power a typical house, but it depends on factors such as the size of the house and the number of appliances.

It can handle common household appliances but may not be sufficient for high-power devices like electric water heaters or large air conditioning systems. It’s important to assess your power requirements and consult an expert if needed to ensure the right inverter capacity for your house.

So what is the best inverter for home use?

We recommend at least a 5000w Hybrid Inverter if you want to power your entire house during power outages.

What is an inverter for home?

An inverter for home is an electronic device that converts direct current (DC) power from sources like solar panels or batteries into alternating current (AC) power, which is used to run household appliances.

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