Question 1

Designed for Versatility & Long-Term Value

Residential
          Perfect for homes and villas requiring efficient hot water solutions

Commercial
          Ideal for hotels, hospitals, and office buildings

Industrial
          Robust solution for manufacturing and processing facilities

Agricultural
          Sustainable heating for greenhouses and farming operations

Built for Decades of Low-Maintenance Operation

Accepted Answer

The EFPC Series captures solar energy efficiently with large-area flat plates and integrated technology, providing stable heat across diverse applications. Built with premium materials and precision engineering, it sets a new benchmark in sustainable solar heating with exceptional durability and minimal maintenance requirements.

Question 2

Selective Absorber Coating
          Efficiency Reaching 0.813

Soletks Solar is one of the world's few manufacturers capable of independently producing both blue and black selective absorber coatings, the heart of every high-performance solar collector. This vertical integration ensures superior quality control and optimized optical performance from the very beginning of production.

The EFPC Series employs a selective coating designed to maximize solar absorption while minimizing thermal radiation loss. Laboratory tests conducted by national-level research institutions confirm a thermal efficiency of 0.813, marking it as one of the most efficient flat plate collectors in the market.

This means stronger performance, even under cloudy skies or low-irradiance environments common in many regions.

2
        
          Full-Channel Optimization Using Finite Element Analysis
          Provincial-Level Innovation Award

Using Finite Element Method (FEM) analysis, Soletks engineers optimized the internal flow channels of the EFPC collector to achieve balanced heat distribution and enhanced energy transfer. This precision design ensures that every part of the collector performs at peak efficiency, avoiding the uneven heating issues often seen in traditional flat plate systems.

Even under extreme temperature differences, the EFPC delivers steady, powerful thermal output. This advanced design approach has been recognized with provincial-level innovation awards, highlighting its contribution to modern solar thermal engineering.

3
        
          Insulated Chamber Structure
          Heat Loss Coefficient as Low as 2.2

A key highlight of the EFPC design is its "insulation chamber" — a dedicated thermal barrier layer that dramatically reduces heat loss in both operating and standby states. With a heat loss coefficient as low as 2.2, it surpasses typical industry standards and ensures consistent efficiency even in fluctuating weather conditions.

Thanks to this innovation, the EFPC performs exceptionally well in climates with wide day-night temperature variations, maintaining stable operation and efficiency for many years with minimal degradation.

Technical Specifications

Parameter
              EFPC115
              EFPC150

Outline Dimension (mm)
              5030×2270×140
              5960×2520×166

Surface Area (m²)
              11.42
              15

Lighting Area (m²)
              10.48
              13.92

Net Weight (kg)
              235
              315

Working Pressure (MPa)
              1.0 MPa

Interface Size/Number
              HTC40 Quick Connector (Two)

Maximum Operating Temperature (℃)
              150

Peak Efficiency
              0.79
              0.81

Rated Efficiency
              0.66
              0.68

Peak Power (kW)
              8.28
              11.26

Specified Power (kW)

@ 400W/m²
              1.7
              2.03

@ 700W/m²
              4.3
              5.84

@ 1000W/m²
              6.85
              9.4

Displacement Volume (L)
              11.5
              13.8

Pressure Drop
              2kPa @ 0.22kg/(m²·s)

Installation Point
              Four

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Our Projects
            Global Solar Energy Excellence
            Pioneering sustainable energy solutions across continents, delivering innovative solar heating and hot water systems.

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

Get Quote

View Details

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.

Get Quote

View Details

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.

Get Quote

View Details

Florida Resort Villa Hot Water Project
                        
                            2022
                            Florida, USA
                            200L/day
                        
                        Flat-plate water heaters provide 200L daily hot water for each resort villa.

Get Quote

View Details

Harz Church Hot Water Project
                        
                            2021
                            Germany
                            22 tons/day
                        
                        Engineering-grade collectors in series/parallel configuration provide reliable hot water supply.

Get Quote

View Details

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/* Lightbox Modal */
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.lightbox-modal.active {
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@keyframes lightboxFadeIn {
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.lightbox-content {
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@keyframes zoomIn {
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.lightbox-content img {
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.lightbox-close {
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      right: 30px;
      width: 50px;
      height: 50px;
      background: rgba(255, 255, 255, 0.95);
      border: none;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
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      z-index: 10001;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
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.lightbox-close:hover {
      background: white;
      transform: rotate(90deg) scale(1.1);
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.lightbox-close svg {
      width: 24px;
      height: 24px;
      stroke: #1e293b;
      stroke-width: 2.5;
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.lightbox-info {
      position: fixed;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%);
      background: rgba(255, 255, 255, 0.95);
      padding: 12px 24px;
      border-radius: 30px;
      font-size: 14px;
      color: #1e293b;
      font-weight: 600;
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/* Responsive Design */
    @media (max-width: 1200px) {
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        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
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.certificate-image {
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@media (max-width: 992px) {
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        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
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.certificate-image {
        height: 280px;
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@media (max-width: 768px) {
      .certifications-section {
        padding: 60px 0;
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.certifications-container {
        padding: 0 20px;
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.certifications-title {
        font-size: 36px;
      }

.certifications-description {
        font-size: 16px;
      }

.cert-tabs {
        gap: 8px;
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.cert-tab {
        padding: 10px 20px;
        font-size: 14px;
      }

.certificate-image {
        height: 240px;
      }

.lightbox-modal {
        padding: 20px;
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.lightbox-close {
        top: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
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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.

All Certificates
      ISO Certifications
      Solar Keymark
      Product Certificates

Test Report

Test Report Certificate

Accepted Answer

Quality Assurance Report

Question 3

Solar Keymark Certification

Accepted Answer

European Quality Standard

Question 4

ISO 9001 Quality Management

Accepted Answer

International Organization for Standardization

Question 5

ISO 14001 Environmental Management

Accepted Answer

International Organization for Standardization

Question 6

ISO 45001 Occupational Health & Safety

Accepted Answer

International Organization for Standardization

Question 7

Air Solar Collector

Accepted Answer

Product Certification

Question 8

Flat Plate Solar Collector

Accepted Answer

Product Certification

Question 9

PVT Solar System

Accepted Answer

Product Certification

Question 10

Solar Keymark Certification

Accepted Answer

European Quality Standard

Question 11

Solar Water Heater

Accepted Answer

Product Certification

Question 12

Vacuum Tube Solar Collector

Accepted Answer

Product Certification

Question 13

ISO 9001 Quality Management

Accepted Answer

International Organization for Standardization

Question 14

ISO 14001 Environmental Management

Accepted Answer

International Organization for Standardization

Question 15

ISO 45001 Occupational Health & Safety

Accepted Answer

International Organization for Standardization

Question 16

Solar Keymark Certification

Accepted Answer

European Quality Standard

Question 17

Solar Keymark Certification

Accepted Answer

European Quality Standard

Question 18

Air Solar Collector

Accepted Answer

Product Certification

Question 19

Flat Plate Solar Collector

Accepted Answer

Product Certification

Question 20

PVT Solar System

Accepted Answer

Product Certification

Question 21

Solar Water Heater

Accepted Answer

Product Certification

Question 22

Vacuum Tube Solar Collector

Accepted Answer

Product Certification

Question 23

Solar Integration

Accepted Answer

Advanced flat-plate collector technology maximizing energy efficiency

Question 24

117+ Patents

Accepted Answer

Cutting-edge innovation portfolio protecting proprietary technologies

Question 25

Research Partners

Accepted Answer

Strategic collaboration with leading institutions worldwide

သတ်မှတ်ချက်	EFPC115	EFPC150
အပြင်ဘက်အတိုင်းအတာ (mm)	5030×2270×140	5960×2520×166
မျက်နှာပြင်ဧရိယာ (m²)	11.42	15
အလင်းရောင်ဧရိယာ (m²)	10.48	13.92
အသားတင်အလေးချိန် (kg)	235	315
အလုပ်လုပ်သောဖိအား (MPa)	1.0 MPa
ချိတ်ဆက်ရန်အရွယ်အစား/အရေအတွက်	HTC40 အမြန်ချိတ်ဆက်ကိရိယာ (နှစ်ခု)
အမြင့်ဆုံးလည်ပတ်အပူချိန် (℃)	150
အမြင့်အထိရောက်မှု	0.79	0.81
အဆင့်သတ်မှတ်ထားသောအထိရောက်မှု	0.66	0.68
အမြင့်မားဆုံးစွမ်းအား (kW)	8.28	11.26
သတ်မှတ်ထားသောစွမ်းအား (kW)
@ 400W/m²	1.7	2.03
@ 700W/m²	4.3	5.84
@ 1000W/m²	6.85	9.4
အပြောင်းအလဲအရေအတွက် (L)	11.5	13.8
ဖိအားကျခြင်း	2kPa @ 0.22kg/(m²·s)
တပ်ဆင်မှုနေရာ	လေး

EFPC စီးရီး – နေစွမ်းအင်အပူချိန်စွမ်းဆောင်ရည်ကို ပြန်လည်သတ်မှတ်ခြင်း

Soletks EFPC စီးရီး ကြီးမားသောအတိုင်းအတာ အလွှာပြားစုဆောင်းစက်

ဒီဇိုင်းပြုလုပ်ထားသည် စွယ်စုံရည်ရွယ်ချက်နှင့် ရေရှည်တန်ဖိုး

ပြုပြင်ထိန်းသိမ်းမှုအနည်းဆုံးဖြင့် ဆယ်စုနှစ်များစွာကြာရှည်ခံရန် တည်ဆောက်ထားပါသည်။

အဓိကနည်းပညာများ — တီထွင်ဆန်းသစ်မှုနောက်ကွယ်က သိပ္ပံပညာ

ရွေးချယ်နိုင်သော စုပ်ယူမှုအလွှာ

Finite Element Analysis ကို အသုံးပြု၍ Full-Channel Optimization

လျှပ်ကာအခန်းဖွဲ့စည်းပုံ

နည်းပညာ သတ်မှတ်ချက်များ

ကမ္ဘာလုံးဆိုင်ရာ နေစွမ်းအင်အကောင်းဆုံးမှု

ရှာဂါခရိုင်မြို့တွင်နေစွမ်းအင်အပူစနစ်စင်တာစနစ်

တီအမ်ဂျင် ရှုခင်း TPV Pro+ မီးပူပင်စနစ် ပရောဂျက်

အပက် စမတ် ဟိုတယ် မီးရေစနစ်

ဖလော်ရီဒါ ရှင်းလင်းကျေးရွာ မီးရေစနစ် ပရောဂျက်

ဟာဇ် ခရစ်ယာန်ကျောင်း မီးရေစနစ် ပရောဂျက်

ကမ္ဘာလုံးဆိုင်ရာ သက်တမ်းအောင်မြင်မှုများနှင့် အရည်အသွေးအာမခံချက်

စမ်းသပ်မှုအထောက်အထားလက်မှတ်

စိုလာ Keymark လက်မှတ်ပြုခြင်း

ISO 9001 အရည်အသွေးစီမံခန့်ခွဲမှု

ISO 14001 ပတ်ဝန်းကျင်စီမံခန့်ခွဲမှု

ISO 45001 အလုပ်အကိုင်ကျန်းမာရေးနှင့်လုံခြုံမှု

လေစိုလာစုဆောင်းကိရိယာ

ပြားချပ်ဆိုလာပြားစုဆောင်းကိရိယာ

PVT စိုလာစနစ်

စိုလာ Keymark လက်မှတ်ပြုခြင်း

နေကြတဲ႔ ရေနွေးအပူစနစ်

ဗောက်ယံတူးစိုလာစုဆောင်းကိရိယာ

ISO 9001 အရည်အသွေးစီမံခန့်ခွဲမှု

ISO 14001 ပတ်ဝန်းကျင်စီမံခန့်ခွဲမှု

ISO 45001 အလုပ်အကိုင်ကျန်းမာရေးနှင့်လုံခြုံမှု

စိုလာ Keymark လက်မှတ်ပြုခြင်း

စိုလာ Keymark လက်မှတ်ပြုခြင်း

လေစိုလာစုဆောင်းကိရိယာ

ပြားချပ်ဆိုလာပြားစုဆောင်းကိရိယာ

PVT စိုလာစနစ်

နေကြတဲ႔ ရေနွေးအပူစနစ်

ဗောက်ယံတူးစိုလာစုဆောင်းကိရိယာ

အနာဂတ်ကို ဦးဆောင်နေသော သန့်စင်စွာ စွမ်းအင်

ကျွန်ုပ်တို့၏အခြေခံအားအင်များ

နေရောင်ခြည်ပေါင်းစည်းမှု

117+ ပိုင်ဆိုင်မှုများ

သုတေသနပူးပေါင်းဆောင်ရွက်သူများ

SOLETKS – ကမ္ဘာလုံးဆိုင်ရာဖောက်သည်များအတွက် ပထမဆုံးရွေးချယ်မှု

အကြောင်းကြားပါ ချိတ်ဆက်ပါ

EFPC စီးရီး –
နေစွမ်းအင်အပူချိန်စွမ်းဆောင်ရည်ကို ပြန်လည်သတ်မှတ်ခြင်း

Soletks EFPC စီးရီး ကြီးမားသောအတိုင်းအတာ
အလွှာပြားစုဆောင်းစက်