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Solar Hot Water Panels

Name: Solar Solutions from Energy Management Ireland
Address: Blackrock, Dublin, A94 N6D0, IE
Telephone: 01 -2895038

Solar hot water panels, also known as solar thermal panels, provide an energy-efficient and cost-effective way to heat water using the sun’s energy. Unlike solar PV panels, which generate electricity, solar thermal systems capture solar heat and transfer it to your home’s hot water system, significantly reducing reliance on gas or electricity for water heating.

With rising energy costs and government incentives, installing solar hot water panels is an excellent investment for homeowners and businesses looking to cut energy bills and lower carbon emissions.

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How Do Solar Hot Water Panels Work?

Solar thermal systems use collector panels (typically installed on a roof) to absorb heat from sunlight. This heat is transferred to a fluid (usually a mix of water and antifreeze) that circulates through the system and is then used to heat the water in a storage tank.

There are two main types of solar hot water panels:

Flat Plate Collectors – A cost-effective and durable option, commonly used in homes.
Evacuated Tube Collectors – More efficient, especially in colder climates, making them ideal for commercial use or areas with less sunlight.

A backup heating system (such as a gas boiler or electric immersion heater) is typically used to ensure hot water availability on cloudy days. The cost of installing solar thermal panels depends on system size, panel type, and installation complexity. The SEAI Solar Water Heating Grant provides €1,200 toward the cost of installing a solar thermal system, reducing the overall investment.

On average, prices range from:

€3,500 – €6,500 for a standard domestic solar hot water system (suitable for a household of 3-5 people).
€6,000 – €10,000+ for larger commercial systems (suitable for hotels, restaurants, or businesses with high hot water demand).

How Much Can You Save?

Solar hot water systems can reduce water heating costs by 50% to 70%, depending on usage and sunlight exposure.

A typical household of four can save €250 – €400 per year on heating bills.
Businesses with high hot water demand (such as hotels, restaurants, or hair salons) can save €1,000+ per year.
Solar thermal systems can last 20–25 years, providing long-term savings and reducing dependence on fossil fuels.

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