




Ensun U pipe solar collector is a solar energy collector appropriate for the central hot water system. It is designed to absorb solar energy and to reach the principle of heating water.Lower maintenance cost
U pipe solar collectors are a preferred option for solar thermal applications due to their many benefits some of which are highlighted below:
Compared to other solar collectors these have straightforward design with fewer parts making them more affordable. Their lack of supplementary pumping systems makes their installation and maintenance costs lower and thus a decent investment.
U pipe collectors are often constructed of durable and corrosion-resistant metals like copper. This guarantees performance in the face of adverse conditions enabling dependable performance that is long-lasting.
The wide surface area of these solar collectors effectively accommodates heat transfer when exposed to solar radiation. The collector heats up uniformly along its length thanks to the U-shaped design, maximizing the absorption of energy by the fluid.
Since they use solar energy that is renewable, U pipe solar collectors minimize reliance on fossil fuels. As such, they help create a more eco-friendly and clean environment by lowering carbon footprint and greenhouse gas emissions.
To avoid ineffectiveness in colder climates, U pipe collectors can include freeze protection features. Such mitigation can include adding anti-freeze to the working fluid or adopting a drain-back system that drains the fluid when unused.
U pipe collectors work without requiring extra pumps infrastructure or energy input instead utilizing thermos phoning. The heated fluid continuously flows within the U-shaped construction simplifying the process and demanding less maintenance.
It is possible to customize the heating demands of your U pipe solar collectors by scaling up or down. The system’s overall capacity can be increased by adding more collectors making it more flexible to meet different needs.
These solar collectors can be put into a wide range of uses and are adaptable for both domestic and commercial application. They can be used for industrial processes needing moderate-temperature heat as well as domestic heating needs.
The components of U-pipe solar collector effectively absorb solar energy before transferring the energy to a fluid in form of heat. The heat is then supplied for various heating applications with the effectiveness and performance influenced by the component design and quality
The Ensun-U Pipe Solar Collector is a professional-grade solar thermal energy solution developed to meet the demands of centralized hot water systems. This collector is known for its exceptional efficiency, long-term durability, and cold-weather resistance. It is engineered to offer a high aperture efficiency of 0.79 and is compatible with various water heating applications, including residential, commercial, and institutional systems. Built with replaceable tubes and corrosion-resistant materials, it ensures excellent performance with minimal maintenance.
The Ensun-U Pipe Solar Collector is designed specifically for central hot water systems. It captures solar radiation and converts it efficiently into thermal energy to heat water. The system is capable of operating in ambient temperatures as low as -50°C, thanks to its anti-freeze design and reliable construction. The tube arrangement and U-pipe configuration promote high heat transfer and enable easy maintenance without draining the solar fluid.
This solar collector is constructed with high-quality stainless steel connections and durable components to resist leakage and aging, ensuring reliable long-term performance. The unit is available in multiple tube configurations, ranging from 8 to 20 tubes, allowing flexibility based on the hot water requirement. Certified by ISO 9001, CE, RoHS, and SGS, the Ensun-U Pipe Solar Collector represents a trusted and cost-effective solution for solar thermal applications.
Certified by ISO 9001, CE, RoHS, and SGS.
Efficient heat absorption with a U-pipe design.
Withstands extreme cold—functional under -50°C conditions.
Easy to install, modular, and low-maintenance system.
Tubes can be replaced individually without fluid drainage.
Leak-proof connections using steel components.
Long-lasting materials resist silicone aging.
Available in models from 8 to 20 tubes.
Integrates with current hot water systems.
Manufactured by a professional solar collector company.
The U pipe solar collector constitutes multiple parallel tubes organized in U-shape used to convert the sun’s energy for heating purposes. Usually, these tubes are made from metals such as copper with high thermal conductivity.
To enhance solar absorption, the collector is often installed on a roof or a frame with the tubes towards the sun. The fluid flows naturally thanks to the collector’s U shape without the use of pumps or additional energy creating a thermosiphon.
U pipe solar collectors are a preferred option for solar thermal applications due to their many benefits some of which are highlighted below:
Compared to other solar collectors these have straightforward design with fewer parts making them more affordable. Their lack of supplementary pumping systems makes their installation and maintenance costs lower and thus a decent investment.
U pipe collectors are often constructed of durable and corrosion-resistant metals like copper. This guarantees performance in the face of adverse conditions enabling dependable performance that is long-lasting.
The wide surface area of these solar collectors effectively accommodates heat transfer when exposed to solar radiation. The collector heats up uniformly along its length thanks to the U-shaped design, maximizing the absorption of energy by the fluid.
Since they use solar energy that is renewable, U pipe solar collectors minimize reliance on fossil fuels. As such, they help create a more eco-friendly and clean environment by lowering carbon footprint and greenhouse gas emissions.
SUNECO Solar Technology has an experienced team dedicated to ensuring the highest standards in solar water heating performance. We are committed to delivering personalized customer solutions and ensuring long-lasting product reliability in every installation. Your orders for solar heating systems are closely monitored and implemented to maintain superior product quality from production to delivery.
SUNECO’s solar thermal division operates 24 hours a day, 7 days a week, ensuring responsive service and support across all time zones and regions. Whether you need a solar water heater for a home, a custom solar collector for a commercial building, or accessories for a full installation, SUNECO is ready to serve with consistent excellence and technical expertise.