Solar powered underfloor heating is an advanced and effective method of heating homes, buildings, or workspace. This heating technique is installed beneath the floor and provides uniform heat distribution in the area. Underfloor heating systems are gaining popularity due to their high efficiency and affordability. You have a variety of options available when it comes to solar powered underfloor heating systems. Underfloor heating systems are available in various types, each with its own advantages. This article will analyze the different categories of underfloor heating systems, enabling you to choose the ideal one for your home or workplace.

What is solar powered underfloor heating system?

A solar powered underfloor heating system is a clever way to heat a building’s floors by using solar panels to generate energy. The system consists of heating elements that are installed beneath the floor, which evenly distribute heat throughout the space. The best part is that underfloor heating systems work at low temperatures, so there’s no need to worry about burning your feet. Instead, you’ll feel the heat rising up from the floor and spreading throughout the room.

This type of heating system can be installed with either a solar PV or solar thermal system. A solar PV system generates electricity that powers the underfloor heating system, while a solar thermal system captures the sun’s energy to heat water that is circulated through the underfloor heating system.

solar powered underfloor heating

How does solar powered underfloor heating work?

Solar underfloor heating is an eco-friendly heating solution that uses the sun’s energy to warm up your home or business. The system consists of tubes or panels filled with a special fluid that absorbs heat from the sun and circulates it under your flooring. Which tan produce heating and warm up the required areas or space. This type of heating is highly efficient and distributes heat evenly. There are two types of underfloor heating systems: Electric underfloor heating and wet or hydronic underfloor heating system. let’s explore them one by one.

Hydronic / Wet underfloor heating

Water based underfloor heating, also known as wet or hydronic systems, work by circulating warm water through pipes that are either installed on or beneath the sub-floor. The arrangement of pipes is designed to ensure even heat distribution throughout the room.

A variety of heat sources can be used for these systems, including solar thermal panels and heat pumps. A manifold and pump mixing device is used to control the temperature of the water before it enters the pipes. Although these systems can be used with carpeted floors if the underlay has an insulating property of no more than 1.5 tog, they are best suited for stone or tiled floors

Solar powered Electric underfloor heating system

The electric underfloor heating system, also known as a dry heating system, uses electric mats containing wires to heat up a room gradually. It’s easy to install and is especially safe for small houses, kitchens, and washrooms where less heat is required. Typically, it’s installed in newly constructed homes, as it requires digging into the floor. If you’re considering this type of heating system for an already furnished home, be prepared for some refurnishing. Despite this, it remains cost-effective and affordable even for small houses.

Benefits of solar powered underfloor heating

There are limitless benefits of installing solar powered underfloor heating system at homes or at workplaces, Solar underfloor heating offers several benefits including:

Affordability: Solar underfloor heating is a cost-effective solution for heating your home. You’ll save money on your energy bills because you won’t need to pay for the energy required to heat the water.

Eco-friendliness: An environmentally friendly option, solar underfloor heating uses a clean and renewable energy source that doesn’t emit any harmful gases or contribute to global warming.

Energy efficiency: By harnessing the sun’s energy, solar underfloor heating is an incredibly efficient way to heat your home. Plus, once the system is installed, it requires minimal maintenance.

Health benefits: Solar underfloor heating can help reduce dust and allergens in your home, contributing to a healthier living environment.

Comfort: With even and consistent heat throughout your home, solar underfloor heating provides a comfortable living environment, especially during colder months.

What are the cost of installing solar powered underfloor heating systems?

The cost of installing an underfloor heating system depends on multiple factors, including the type of system you choose (wet or electric), the materials used, and the installation cost. Both wet and electric underfloor heating systems have different installation costs, with one being more expensive than the other. Let’s take a closer look at each of these factors.

Initial cost

The initial cost of installing a solar-powered underfloor heating system can be higher due to the installation of both the solar panel system and the underfloor heating system. However, if you have already installed solar panels at your place, you can save a significant amount of money as you would only need to bear the cost of the underfloor heating system.

The cost of the underfloor heating system will depend on several factors, including the type of system you choose, the materials you opt for, and the area you want to cover for heating. It’s important to consider these factors when making your selection to ensure that you choose a system that fits your budget and meets your heating needs.

Component cost/ Material cost

When considering the cost of a solar-powered underfloor heating system, the most important factor to take into account is the type of system you choose. There are two main types of underfloor heating systems: electric and wet. In general, electric underfloor heating systems are less expensive than wet systems. This is because electric systems don’t require additional components such as a circulation pump and pipes, which can add to the overall cost of the system. However, it’s important to note that the cost of any underfloor heating system will depend on a variety of factors, including the size of the space being heated, the quality of the materials used, and the complexity of the installation process.

Installations cost

The type of underfloor heating system chosen for a solar-powered installation can affect the cost of installation. Wet systems that use pipes filled with hot water are typically more expensive to install than electric or dry systems. This is because wet systems take more time to install and require testing the flow and pressure of the water. The type of floor you have can also impact installation costs. While wet systems may be more expensive, they can be more efficient at heating larger spaces.


You might think that conventional heating methods are cheaper in the short term, but they are not. A solar-powered underfloor heating system is actually more cost-effective because it uses the power of the sun to heat your space and requires only a one-time investment. This means you’ll save money on your energy bills every month. Whether you plan to install an electric or wet/hydronic underfloor heating system in your home or workplace, both options will be beneficial. If you’re still not fully aware of solar-powered underfloor heating systems, don’t worry. Get in touch with us and we will discuss it with you in a professional manner, drawing on our 15 years of experience to help solve your underfloor heating problems.

The solar system has various benefits that can provide advantages to homes and businesses. However, some people may not be familiar with the obscure terms used by solar companies, including the output of solar panels. Nevertheless, there’s no need to worry because we are here to simplify things for you. We have gathered all the necessary information you need to understand the panel output that your solar panel generates.

Do you already have knowledge about solar panel output? That’s great! Get a quote from us and start saving money, time, and the environment. If you’re not familiar with it, we’ve got you covered. Let’s explore the world of solar energy.

What is solar panel power output?

The power output of a solar panel refers to the amount of electrical energy that it can generate when exposed to sunlight. This output is typically measured in watts or kilowatts, and it represents the maximum amount of electricity that the panel can produce under ideal conditions. However, several factors can affect the output of a solar panel, such as the location and conditions where the solar system is installed, including the direction of the panels and the amount of sunlight they receive. These factors are crucial in determining the effectiveness of the solar energy system.

How much power does a 4.5kW solar system produce?

 So How Much Power Does a 4.5kW Solar System produce? To calculate the amount of energy produced by a 4.5 kW system, first you need to know the size of your system, here we are talking about 4.5 kW. But using this technique power of any system can be calculated. And the second and the most important is the peak sun hours in your areas. You can find the peak sun hours of your areas by using google isolation maps. keep in mind that the number of peak hours could vary from region to region.

To determine the amount of energy generated by your 4.5 kW solar system, there are two key pieces of information you need to consider. Firstly, you must know the size of your system, which in this case is 4.5 kW. However, this calculation method can be applied to any solar power system. Secondly, it’s important to determine the peak sun hours in your area. You can easily find this information by using Google isolation maps and chart data. It’s worth noting that the number of peak hours can vary from region to region.

Once you have this information, it’s a straightforward process to calculate the energy output of your 4.5 kW solar system. Simply multiply the number of peak hours by the system size to get the total amount of energy produced. For example, if your area receives 5 peak sun hours and you have a 4.5 kW solar system, your system will produce:

4.5 kW x 5 peak hours = 22.5 kWh or 22,500Wh

Alternatively, if your solar panels only receive 3 peak sun hours per day, your 4.5 kW solar system will produce:

4.5 kW x 3 peak hours = 13.5 kWh or 13,500Wh

By using this formula, you can easily calculate the average energy output of your solar system by multiplying the peak sun hours with the system size you have installed. On average, a 4.5 kW solar system will produce between 15,000 Wh to 22,500 Wh (15 kW – 22.5 kW) of energy.

Daily production of 4.5 kW solar system = 4.5kW * sun peak hours.

Monthly production of 4.5 kW solar system= 4.5kW * sun peak hours * 30

Yearly Production of 4.5 kW solar system = 4.5 kW * sun peak hours * 365

Please note that to calculate the daily power output of a solar panel, you need to multiply its wattage by the number of peak sun hours it receives. You can refer to the chart below, which summarizes the estimated production of a 4.5 kW solar system in areas that experience between 1 and 8 peak sun hours per day.

Peak Sun Hours:4.5kW System Output Per Day (kWh/Day):4.5kW System Output Per Day (kWh/Month):4.5kW System Output Per Day (kWh/year):
1 Peak Sun Hour4.50 kWh Per Day135 kWh Per Month1642.5 kWh Per Year
2 Peak Sun Hours9 kWh Per Day270 kWh Per Month3285 kWh Per Year
3 Peak Sun Hours13.50 kWh Per Day405 kWh Per Month4,928 kWh Per Year
3.5 Peak Sun Hours15.75 kWh Per Day473 kWh Per Month5,749 kWh Per Year
4 Peak Sun Hours18.00 kWh Per Day540 kWh Per Month6,570 kWh Per Year
4.5 Peak Sun Hours20.25 kWh Per Day608 kWh Per Month7,391 kWh Per Year
5.0 Peak Sun Hours22.50 kWh Per Day675 kWh Per Month8,213 kWh Per Yea
5.5 Peak Sun Hours24.75 kWh Per Day743 kWh Per Month9,034 kWh Per Year
6.0 Peak Sun Hours27.00 kWh Per Day810 kWh Per Month9,855 kWh Per Year
6.5 Peak Sun Hours29.25 kWh Per Day878 kWh Per Month10,676 kWh Per
7.0 Peak Sun Hours31.50 kWh Per Day945 kWh Per Month11,498 kWh Per Year
7.5 Peak Sun Hours33.75 kWh Per Day1,013 kWh Per Month12,319 kWh Per Year
8.0 Peak Sun Hours36.00 kWh Per Day1,080 kWh Per Month13,140 kWh Per Year

It is now very easy for you to calculate the power output of your solar system if you know the number of peak sun hours that your solar panels receive in your area.

Solar potential energy on peak sun hours map

If your location receives an average of 5 peak sun hours per day, you can use the following information to estimate the electricity production of a 4.5kW solar system installed there. According to the chart, a 4.5kW solar system generates 22.50 kWh Per Day, 675 kWh Per Month, and 8,213 kWh Per year at 5 peak sun hours. With this knowledge and the calculator provided above, you have all the necessary tools to make your own calculations. If you require any assistance or have any suggestions regarding this article, feel free to contact, and we will be glad to assist you.


So How Much Power Does a 4.5kW Solar System produce? Well, solar panels have the ability to generate electrical energy when exposed to sunlight, with their power output typically measured in watts or kilowatts.To calculate the energy produced by a 4.5 kW solar system, two factors must be taken into account: the system’s size and the number of peak sun hours in the region. By multiplying these two figures, the total energy output can be determined. On average, a 4.5 kW solar system generates anywhere between 15,000 Wh to 22,500 Wh of energy daily, contingent upon the peak sun hours received. In addition to helping homes and businesses save money, time, and the environment, solar energy systems offer numerous benefits.