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Product Overview

Large-Scale Solar
Thermal Collector

Our Large-Scale Solar Thermal Collector is engineered for city heating, agriculture, and industrial applications. With cutting-edge materials and precision manufacturing, it delivers reliable, high-efficiency performance—even in rugged terrains and altitudes above 4,000 m.

Large-Scale Solar Thermal Collector

Key Features

Advanced technology and proven performance for demanding applications

BLUE CORE™ PVD Coating

Peak efficiency of 0.81 for superior solar absorption and energy conversion.

Double AR Glass

Durable, high-transmittance cover for long-lasting efficiency in all conditions.

Precision Laser Welding

Factory-automated for consistent quality and superior structural integrity.

Tool-Free HTC Connector

Quick, easy installation that reduces labor time and costs significantly.

Extreme Condition Ready

Performs reliably in high-altitude and challenging environmental conditions.

Proven Track Record

Over 236,000 m² installed with 7.0 GWth capacity, ranking No.2 globally.

Applications

Ideal for medium-temperature solar solutions across diverse industries and residential sectors:

Solar District Heating (SDH)
Industrial Process Heat
Multi-Family Residential Heating
Solar Cooling Systems

Technical Specifications

Detailed technical parameters and component specifications

Component Specification Parameter
Absorber Coating Blue Titanium
Structure Tube Sheet
Absorption 95% ±2%@AM1.5
Emittance 5% ±2%@80°C
Header Pipe Material & Size Copper φ42×1.5 mm
Frame Size 5960×2520×166 mm
Material High-grade Aluminum 6063-T5
Surface Frosted white
Cover Plate Material Low-iron super white tempered glass
Transmittance ≥91.5%
Bottom Material Galvanized sheet 0.4 mm
Insulation Bottom Glass wool 80 mm
Side Carton fiber 30 mm
Connector Size & Qty DN40, 2 pcs

Design & Reliability

Optimized bracket design tested for 14-level wind loads (42–45 m/s).

Internal flow channels and high-pressure interfaces standardized for 16 Bar test pressure.

Engineered for safe, long-term operation and simplified maintenance.

Our Projects

Global Solar Energy Excellence

Pioneering sustainable energy solutions across continents, delivering innovative solar heating and hot water systems.

Centralized Solar Heating Featured

Centralized Solar Heating for Saga County Town in Shigatse City

2019 Shigatse, Tibet 107,000 m²

EFPC115 large flat-plate collectors provide heating coverage for 107,000 m², replacing traditional coal and yak dung heating. Reduces coal consumption by 2,424 tons annually.

World's first high-altitude solar centralized heating
First full-chain turnkey solar heating project
Tibet's first large-scale solar heating
Tianjin School

Tianjin School TPV Pro+ Heat Pump Project

2024 Tianjin 3,000 m²

TPV Pro+ heat pump system meets students' heating needs while generating on-site electricity.

APEC Summit

APEC Summit Hotel Hot Water System

2014 Beijing 50 tons/day

Supplies hot water for APEC Summit hotel. Saves 150,000 kWh annually, reduces CO2 by 74 tons.

Florida Resort

Florida Resort Villa Hot Water Project

2022 Florida, USA 200L/day

Flat-plate water heaters provide 200L daily hot water for each resort villa.

Harz Church

Harz Church Hot Water Project

2021 Germany 22 tons/day

Engineering-grade collectors in series/parallel configuration provide reliable hot water supply.

International Standards

Global Certifications & Quality Assurance

SOLETK Solar products are certified to meet international quality and safety standards, including Solar Keymark, CE, and ISO. Below are the individual certificates for each product, demonstrating SOLETK Solar's commitment to reliability, performance, and compliance.

Test Report Certificate Test Report

Test Report Certificate

Quality Assurance Report

Solar Keymark Certificate Solar Keymark

Solar Keymark Certification

European Quality Standard

ISO Certification 1 ISO

ISO 9001 Quality Management

International Organization for Standardization

ISO Certification 2 ISO

ISO 14001 Environmental Management

International Organization for Standardization

ISO Certification 3 ISO

ISO 45001 Occupational Health & Safety

International Organization for Standardization

Air Solar Collector Certificate Product

Air Solar Collector

Product Certification

Flat Plate Solar Collector Certificate Product

Flat Plate Solar Collector

Product Certification

PVT Certificate Product

PVT Solar System

Product Certification

Solar Keymark Certificate 2 Solar Keymark

Solar Keymark Certification

European Quality Standard

Solar Water Heater Certificate Product

Solar Water Heater

Product Certification

Vacuum Tube Solar Collector Certificate Product

Vacuum Tube Solar Collector

Product Certification

ISO Certification 1 ISO

ISO 9001 Quality Management

International Organization for Standardization

ISO Certification 2 ISO

ISO 14001 Environmental Management

International Organization for Standardization

ISO Certification 3 ISO

ISO 45001 Occupational Health & Safety

International Organization for Standardization

Solar Keymark Certificate Solar Keymark

Solar Keymark Certification

European Quality Standard

Solar Keymark Certificate 2 Solar Keymark

Solar Keymark Certification

European Quality Standard

Air Solar Collector Certificate Product

Air Solar Collector

Product Certification

Flat Plate Solar Collector Certificate Product

Flat Plate Solar Collector

Product Certification

PVT Certificate Product

PVT Solar System

Product Certification

Solar Water Heater Certificate Product

Solar Water Heater

Product Certification

Vacuum Tube Solar Collector Certificate Product

Vacuum Tube Solar Collector

Product Certification

Who We Are

Leading the Future of Clean Energy

Innovative solutions powered by cutting-edge technology and sustainable practices

SOLETKS Clean Energy Technology
Industry Leader

SOLETKS is a high-tech enterprise focused on clean energy innovation. With its core Flat-Plate Clean Thermal Energy technology, the company integrates solar, geothermal, and air energy to deliver efficient solutions for heating, cooling, and power generation.

Backed by partnerships with leading research institutions, SOLETKS ranks among the world's top manufacturers of flat-plate collectors, driving global progress toward a sustainable future.

117+
Patents Secured
Top 5
Global Ranking

Our Core Strengths

Solar Integration

Advanced flat-plate collector technology maximizing energy efficiency

117+ Patents

Cutting-edge innovation portfolio protecting proprietary technologies

Research Partners

Strategic collaboration with leading institutions worldwide

SOLETKS Product 1
Innovation in Action
SOLETKS Product 2
Advanced Technology
SOLETKS Product 3
Sustainable Solutions
SOLETKS Product 4
Global Excellence
Global Excellence

SOLETKS – The First Choice for Global Customers

Trusted by Industry Leaders Worldwide

From residential installations to large-scale industrial projects, SOLETKS delivers proven solar thermal solutions across continents, empowering sustainable energy transformation globally.

Get In Touch

Let's Connect

We're here to answer your questions and help you achieve your goals

24/7 Support
Fast Response
Expert Team
WhatsApp
+86 15318896990
Phone
+86 15318896990
Email
export@soletksolar.com
Address
No.2228, Jinghua Avenue, Economic and Technological Development Zone, Dezhou City, Shandong Province, China
WhatsApp Chat Call Now

Powering a Sustainable Future

SOLETKS is a high-tech enterprise focused on clean energy innovation. With its core Flat-Plate Clean Thermal Energy technology, the company integrates solar, geothermal, and air energy to deliver efficient solutions for heating, cooling, and power generation.

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+86 15318896990
export@soletksolar.com
Dezhou City, Shandong, China

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