Heat Pipe Solar Absorber
Manufacturing & Supply

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Heat Pipe Solar Absorber

Millionsun manufactures heat pipe solar absorbers for OEM partners worldwide.

A sealed copper pipe contains a working fluid that evaporates when heated and condenses at the cooler end, transferring heat without pumps or antifreeze. Built-in freeze protection, passive heat transfer, thermal diode effect (heat flows one way only — no reverse circulation at night). Suitable for flat plate collectors in cold climates and remote installations.

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What We Offer?

OEM Manufacturing Support

Mass Production — Ready for Volume Orders

Built-In Freeze Protection

Thermal Diode Effect — No Reverse Flow at Night

Compatible with Standard Flat Plate Collector Designs

Custom Production Service

How a Heat Pipe Absorber Works?

1

Step 1

Sunlight hits the absorber surface. The coating absorbs heat energy.

2

Step 2
The heat pipe receives heat at its evaporator end.

3

Step 3
The working fluid inside vaporizes. The vapor travels to the condenser end.

4

Step 4
The vapor releases heat and condenses back into liquid.

5

Step 5
The liquid returns to the evaporator end by gravity. The cycle repeats.

Business Value

Designed for Different Business Models
Your Business
How This Product Fits
Solar Brand
Add freeze-proof collector models to your range.
Distributor
Offer a cold-climate collector option. No antifreeze, no pump.
Local Manufacturer
Source heat pipe absorbers for local assembly.
Project Developer
Specify for freeze-prone areas and off-grid projects.

Why Heat Pipe Absorbers Create Value

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No Freeze Risk

Sealed pipe contains no water. Nothing to freeze.

No Circulation Pump

Passive operation. No pump, no controller, no electricity.

No Night Heat Loss

Thermal diode blocks reverse flow when the sun goes down.

Fast Heat Transfer

Working fluid begins vaporizing within seconds.

Is a Heat Pipe Absorber Right for Your Product?

You need a heat pipe absorber if:

  • Your market has freezing winters
  • Night heat loss is a concern in your current designs
  • You are targeting remote or off-grid installations
→Yes, I'm Interested — Send Me Specifications
Not sure? Tell us about your collector design and target market.
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Manufacturing & Supply

OEM Manufacturing

Millionsun manufactures strip absorbers for collector manufacturers worldwide.

Our Factory

  • 8,000 m² Production Facility
  • 80+ Employees
  • 6 Automated Production Lines
  • In-House Absorber Coating Line
  • Monthly Collector Output: 20,000 sqm
  • Annual Capacity: 220,000 sqm

Supply Options

  • Heat pipe absorbers only
  • Integrated into complete flat plate collectors
  • Custom dimensions
  • Private label
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Technical Resources Center

Frequently Asked Questions

Can the heat pipe absorber be used in existing collector designs?
Yes. Compatible with standard flat plate collector frames.
Yes. The sealed pipe contains no water. Nothing to freeze.
Yes. Custom absorber designs and collector integration available.
No freeze risk, no pump needed, no night heat loss.
Contact our team with your specifications and volume requirements.

Request OEM Quotation

Receive customized pricing based on your branding, configuration, and volume requirements.
No order too small, no project too complex. 20 years of OEM experience — your brand, our expertise.

WhatsApp

+86 13688999284

Email

sunny@millionsun.com

Visit Our Factory

Building 14, Baiwang Science and Technology Park, No.40, Chuangxing North Road, Gaobu Town, Dongguan City, Guangdong Province, China

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