BTE High-Efficiency Flat Plate Solar Collectors: Custom Thermal Energy Solutions for Engineering Projects

Flat Plate Solar Collector Product Details

Introduction

As one of the core products of BTE Solar in the renewable energy field, the Engineering Flat Plate Solar Collector is designed for large-scale hot water supply and central heating projects.

With the concept of 'modular connection, tailor-made scale', it can match the number of collectors to the actual hot water and heating needs of each project. This solves the common problems of oversized systems wasting money or undersized systems failing to meet demand.

Thanks to its low cost, easy installation, and long service life, it has become a preferred energy solution for engineering projects.

Key Advantages – Four Dimensions of Reliability

1. Pressure-Resistant Operation – Safe and Stable

- Unlike household collectors that only work under low pressure, this collector uses a full-metal pressure chamber. It can be directly connected to project water or heating pipelines without extra stabilizers. Even in high-demand conditions (e.g., residential peaks or 24/7 hospital heating), it runs stably, preventing leaks or pipe bursts.

2. Flexible Customization – Fits Any Project

- Scale customization: Based on daily hot water use or heating area, the system calculates the exact number of collectors needed—no waste, no shortage.

- Interface customization: Inlet and outlet sizes can be tailored to existing pipe networks, saving renovation costs.

3. High Energy Efficiency – More Heat, Less Cost

- Peak efficiency up to 0.79, turning more sunlight into usable heat.

- 65% efficiency even in cloudy/low-light conditions, making it suitable for rainy or winter regions.

- Heat loss <5% (vs. industry average ~8%), lowering energy waste and costs.

Application Scenarios – Five Major Fields

1. Residential Communities

– Provides centralized hot water and heating for thousands of households.

2. Schools & Hospitals

– Schools: Stores solar heat during the day, supplies hot water for peak times (e.g., after evening classes).

– Hospitals: Smart temperature control ensures reliable 24/7 hot water.

3. Factories & Enterprises

– Supplies large amounts of hot water for processes (e.g., textile dyeing, food washing), reducing electricity/gas costs.

4. Greenhouses

– Works with floor or air heating to keep temperatures stable (±2°C) without coal burning, improving crop yield.

Technical Highlights – Four Smart Designs

1. Selective Coating – Strong Heat Absorption

- Using vacuum magnetron sputtering, absorption >95%, effective even in weak sunlight.

2. Premium Glass Cover – Strong & Transparent

- 92% light transmission

- 5× impact resistance (hail-proof, falling objects)

- Anti-glare surface to reduce light pollution

3. Integrated Insulation – Lower Heat Loss

- Seamless insulation keeps heat loss under 5%.

4. Easy Installation – Fast and Cost-Saving

- Modular connection, 2 workers can install a unit (40% faster)

- Supports roof, wall, or ground installation without major building changes

- Pre-tested at factory, only needs pipeline connection onsite

Product Parameters (Model: FPC200-HM)

• Size: 2000×1000×80 mm

• Net weight: 30 kg

• Working pressure: 0.6 MPa

• Max temperature: 100°C

• Peak efficiency: 0.78

• Heat capacity: 400–997 W/m²

• Fluid capacity: 1.6 L

Why Choose BTE Solar?

1. 15+ Years Experience – Since 2008, specializing in engineering-level heating solutions. Full service from survey to after-sales.

2. In-House R&D & Production – Core components made in-house with 60+ quality checks.

3. Customized Solutions – Dedicated engineering team with 5+ years experience per member.

4. End-to-End Project Delivery – From design to installation, full-cycle project management ensures quality and reliability.

Company Profile of BTE Solar

BTE Solar is a high-tech industrial group with a fully integrated industrial chain for solar energy utilisation solutions. In recent years, the Group has been focusing strongly on the development of flat plate thermal energy systems as part of its clean energy substitution business, consolidating its position as a pioneer in the industry. The Group operates seven subsidiaries, including Shandong Feitian New Energy Co., Ltd., BTE Solar Technology Co., Ltd., Shandong Shenggao Heating Co., Ltd., Dezhou Jinnaier New Materials Co., Ltd., and Tibet BTE  Energy Technology Co., Ltd. Together, these companies cover research and development, equipment manufacturing, engineering, and operations, creating a complete and robust clean energy ecosystem.

BTE  delivers tailored solutions for a wide variety of clean energy application scenarios. From building energy systems and new infrastructure projects to industrial heating, agricultural greenhouses, livestock breeding, and drying industries, the Group identifies high-value market opportunities within a rapidly growing sector. With 117 global patents and proprietary technologies, BTE  has established a clear technological advantage. Backed by strong R&D capabilities, advanced manufacturing built on Industry 4.0 principles, and a comprehensive after-sales service system, the Group is driving the transformation of solar energy applications from traditional “solar water heating” to “solar thermal energy” on a much broader scale.

At present, the Group operates six major production bases, including four factories in Dezhou Economic Development Zone. It has an annual production capacity of 7.0 GWth of flat-plate thermal energy equipment, including 700 MW of PV/T twin-power systems. From 2017 to 2019, BTE  ranked third in the world in flat plate collector production for three consecutive years. From 2020 to 2021, it moved up to second place globally. The Group also holds leading technology and production lines for solar thermal core materials, ranking first in global market share. Through a focus on professionalism and technological advancement, BE  achieved an impressive compound annual growth rate of 88% in its first decade of operation.

BTE Solar has established its strengths in technology, brand, market presence, team, and management. Its sales and service channels cover both domestic and international markets, with products exported to multiple countries and regions worldwide. The Group has been recognised as a National High-Tech Enterprise, a National Leader in Solar Thermal Utilisation Products, a National Specialised and Innovative “Little Giant” Enterprise, a Shandong Province Specialised and Innovative Enterprise, a Shandong Gazelle Enterprise, a Provincial Enterprise Technology Centre, and has also received the Shandong Science and Technology Award, among other honours. These awards demonstrate the Group’s strong reputation and leadership within the clean energy sector.

Innovation has always been at the core of BTE’s competitiveness. The Group has seven dedicated R&D departments, one research institute, one academician workstation, one laboratory, and one Thermal Energy Academy. R&D staff account for 16% of the workforce, with half of them having more than 20 years of industry experience. The Group also partners with top research institutions including the Chinese Academy of Sciences, Tsinghua University, Harbin Institute of Technology, Beijing University of Technology, Shandong Jianzhu University, and the Shandong Academy of Sciences. These collaborations have enabled the Group to successfully shift from solar water heating to flat-plate clean thermal energy systems, developing complete solar thermal solutions for buildings, agriculture, drying processes, and industrial applications.

Guided by the spirit of craftsmanship, BTE  continues to pursue excellence, learning and innovating at every stage. Looking forward, the Group remains committed to resource integration and sustainable development, with the ambition of becoming a world-class expert in sustainable clean thermal energy. Through its products and services, BTE aims to make the sunshine brighter, the air cleaner, and the environment greener, while contributing to the achievement of China’s 2030 carbon peak and 2060 carbon neutrality targets.