Solar Water Heating System
Solar water heaters sometimes called solar domestic hot water systems can be a cost-effective way to generate hot water for your home. They can be used in any climate, and the fuel they use sunshine is free.
FLAT PLATE COLLECTOR (FPC)
Features
Consists of a flat, rectangular panel with an absorber plate, a transparent cover (usually glass), and insulation.
Can be less efficient in extremely cold temperatures or in conditions with high winds, as it’s more susceptible to heat loss.
Generally suitable for temperatures up to around 80-90°C (176-194°F). They are ideal for residential water heating and space heating applications.
Usually less expensive to install and generally requires less maintenance and has a simpler construction.
Requires a larger area to installation
Specification
EVACUATED TUBE COLLECTOR (ETC)
Features
Consists of a series of glass tubes that are evacuated (air removed) to create a vacuum.
Each tube contains an absorber plate and a heat pipe or a copper tube inside and the vacuum acts as an insulating layer, reducing heat loss.
Typically more efficient than flat plate collectors, especially in colder climates or during cloudy days, due to the vacuum insulation which minimizes heat loss.
More expensive due to the advanced technology and materials used
As it can achieve higher energy yields with less surface area compared to flat plate collectors.
High pressure, high density PUF insulation tank