BiAGUA
SOLAR DISTILLER ADVANTAGES
Next-Generation Solar Distillation Water Heater
Multi-Country Patented Solar BiAGUA Technology
Dual-Function Solar Distillation Water Heater System
High-Purity Solar Distilled Water System
No Filters • No Electricity
Low Maintenance • Long Service Life
Pure Water Powered by Sunlight
Distilled Drinking Water
Hot Water for Daily Living
No Filters
No Electricity
No Microplastics
No Nanoplastics
Next-Generation Solar Water Technology
Pure Water for Healthier Living

--
USD
Model Distilled Water
Per Day
Hot Water
+30°C / Per Day
19L Bottles / Year Pure Water Saving / Year Family Size
People
1.8m 2.1m 1.8m 2.1m 1.8m 2.1m 1.8m 2.1m 1.8m 2.1m
Notes: 1.8m tube = 1.8m × 58mm Vacuum Glass Tube; 2.1m tube = 2.1m × 58mm Vacuum Glass Tube; Pure water savings only. Hot water savings are excluded.

Why Solar Distiller de BiAGUA?

Born at a Time When Pure Water Matters More Than Ever
Microplastics Have Become a New Concern in Drinking Water
Making the World's Purest Water Affordable for Ordinary Families
Using Only Clean, Renewable, and Sustainable Solar Energy
One System Producing Both Distilled Water and Hot Water

Born at the Right Time

For decades, the world's drinking water has been moving in one direction.

Rivers become polluted. Lakes become contaminated. Groundwater quality declines. Growing environmental pressures make clean drinking water increasingly difficult and expensive to obtain.

To secure safe drinking water, millions of families have become increasingly dependent on bottled water. Others rely on purification systems that require electricity, filters, membranes, pumps, replacement parts, and ongoing maintenance.

In recent years, another challenge has attracted worldwide attention: microplastics.

As plastic production and consumption have expanded across modern society, microscopic plastic particles have become increasingly widespread throughout the environment.

Scientists have detected microplastics and nanoplastics in the human body, including in the blood, lungs, placenta, arteries, and brain. Growing research has increased public concern about the accumulation of these particles and their potential long-term effects.

For many years, people focused primarily on bacteria, viruses, sediments, salts, and chemical contaminants. Today, microplastics have become another important contaminant of concern in drinking water.

As awareness grows, more people are asking not only:

"Do I have enough water?"

They are also asking:

"How pure is the water I drink every day?"

This is the moment in which Solar BiAGUA was born.

Making Distilled Water Affordable

Distilled water has long been recognized as the purest form of water available.

Today, distilled water can be found in supermarkets, pharmacies, convenience stores, and online retailers around the world. Distilled water is commonly used for drinking, food preparation, coffee making, infant formula preparation, beverage production, and other applications where exceptionally high water purity is desired.

However, because distillation traditionally requires significant energy, distilled water has often been more expensive than ordinary drinking water, limiting its widespread use in everyday family life.

Solar BiAGUA marks a turning point in the history of drinking water.

By harnessing the power of the sun, Solar BiAGUA enables ordinary families to produce high-purity distilled water daily using clean, renewable, and sustainable solar energy.

What was once considered a premium and costly water source can now become an affordable part of everyday life.

For the first time, sunlight can provide not only hot water for bathing and household use, but also distilled water for daily drinking.

The challenge has never been purity.

The challenge has been cost.

Solar BiAGUA transforms the world's purest water from an expensive specialty product into an accessible, affordable, and sustainable daily resource for ordinary families.

How Solar Distiller Works?

VACUUM TUBES MUST BE INSTALLED AT AN UPWARD INCLINE WITH THE CLOSED END AT THE TOP
WATER LEVEL MUST STAY AT LEAST 30 CM BELOW THE CLOSED TUBE END
THE CONDUIT INLET MUST REMAIN SUFFICIENTLY ABOVE THE WATER LEVEL
SUNLIGHT DIRECTLY CONVERTS WATER INTO VAPOR INSIDE THE TUBES
GENERATED VAPOR FLOWS DOWNWARD THROUGH THE INTERNAL CONDUIT
PARTIAL CONDENSATION INSIDE THE CONDUIT STRENGTHENS VAPOR GENERATION
MOST VAPOR CONDENSES INSIDE THE CONDENSER WITHIN THE WATER TANK
CONDENSATION HEAT IS RECOVERED TO HEAT SURROUNDING WATER
How Solar BiWater Works
02

Localized High-Temperature Vapor Generation

Solar BiWater concentrates solar energy within evacuated glass tubes instead of continuously dispersing heat into a large bulk water mass, enabling faster and more efficient vapor generation.

03

Internal Vapor Conduit Design

Dedicated internal conduits collect and transfer vapor directly from the highest-temperature region without external vapor piping, pumps, valves, or complicated vapor collection structures.

04

Atmospheric Pressure Self-Balancing

Uses atmospheric pressure balance, gravity, and hydrostatic connection to naturally stabilize internal water levels without active pressure-control systems.

05

Regenerative Vaporization Effect

Moving vapor inside the conduits transfers heat into surrounding water, promoting additional localized vapor generation and improving thermal utilization efficiency.

07

Integrated Compact Thermal Architecture

Most thermal processes occur inside only evacuated glass vacuum tubes and a polyurethane-insulated water tank, greatly reducing heat loss and mechanical complexity.

Advanced Solar Water Purification Technology

Integrated solar thermal technology for simultaneous distilled water production and water heating with high energy efficiency, reduced maintenance, and long service life.

Dual-Function Solar Energy System

Solar Distillation Water Heaters combine solar water heating and advanced solar water purification in one integrated thermal energy system, delivering both hot water and distilled water simultaneously unlike conventional solar water heaters that only provide hot water.

Minimized Plastic Contact

Unlike conventional water purifiers that depend heavily on plastic filters, cartridges, and internal components, Solar Distillation Water Heaters primarily utilize glass, stainless steel, and copper piping for cleaner and safer water production.

High-Temperature Thermal Purification

Solar Distillation Water Heaters purify water through high-temperature evaporation and condensation, a phase-change purification process where only pure vapor rises and condenses while many contaminants, salts, particles, bacteria, and viruses remain separated.

Low Operating Cost

Unlike conventional water purifiers that consume electricity and require expensive filters, membranes, replacements, and regular maintenance, Solar Distillation Water Heaters use solar-powered vaporization and condensation to produce pure water with minimal operating costs and reduced consumable waste.

Natural Daily Self-Cleaning

Solar Distillation Water Heaters naturally support daily self-cleaning through repeated heating, vaporization, condensation, and hot water circulation, helping reduce contaminant accumulation commonly found inside conventional filter-based purification systems.

Visible Daily Water Production

Daily distilled water production naturally varies with sunlight intensity, allowing users to directly observe system operation and purified water output in real time while making abnormal water flow or leakage easier to detect.

Solar BiWater installation

Long Service Life

Solar Distillation Water Heaters primarily utilize durable glass and stainless steel materials while operating with minimal moving parts, reducing dependency on pumps, motors, sensors, and replaceable plastic components, resulting in exceptionally long service life and lower maintenance requirements.

Real Installation Scenarios

Designed for homes, hotels, resorts, islands, factories, farms, coastal communities, remote regions, and mountain locations.

Farms & Agriculture

Farms & Agriculture

Cleaner water and solar-heated water support for rural operations, equipment cleaning, processing, and agricultural facilities.

Cleaner water and thermal support for agricultural operations
Homes & Remote Living

Homes & Remote Living

Clean distilled water and solar-heated water for healthier daily living in homes, cabins, and remote residential environments.

Cleaner daily water and solar-heated water for residential living
Restaurants & Commercial Kitchens

Restaurants & Commercial Kitchens

Cleaner water and solar-heated water for cooking, beverages, food preparation, cleaning, and commercial kitchen operations.

Stable water quality and hot water for food-service environments
Factories & Workshops

Factories & Workshops

Solar-driven distilled water and hot water support for industrial cleaning, maintenance, processing, and workshop operations.

Industrial water and thermal support with reduced electrical dependence
Remote Homes

Remote Homes

Distilled water and solar-heated water support for off-grid homes, isolated housing, and remote living environments.

Solar-driven water support for isolated residential environments
Coastal Communities

Coastal Communities

Use sunlight to help convert salty or brackish water into cleaner distilled water together with usable hot water.

Solar distillation support for salty-water coastal environments

Products

Products
SD-120-6-1800
SD001
Solar Distiller 120L/6L
Solar Distiller 120L/6L
View Details
SD-150-8-1800
SD002
Solar Distiller 150L/7.5L
Solar Distiller 150L/7.5L
View Details
SD-180-9-1800
SD003
Solar Distiller 180L/9L
Solar Distiller 180L/9L
View Details
SD-200-10-1800
SD004
Solar Distiller 200L/10L
Solar Distiller 200L/10L
View Details
SD-240-12-1800
SD005
Solar Distiller 240L/12L
Solar Distiller 240L/12L
View Details
SD-300-15-1800
SD006
Solar Distiller 300L/15L
Solar Distiller 300L/15L
View Details
SSHM-15-1800
SSHM-15
Solar Heat Pipe Collector
Solar Heat Pipe Collector
View Details
SSHM20
SHP-150-12
SHP-01
Heat Exchanging HP Solar Water Heaters
Heat Exchanging HP Solar Water Heaters
View Details
SSBP-150-15
SSBP-15

Technical Parameters

Use Annual Output Avg/day
Distilled Water - -
Hot Water 25°C → 55°C - -
Estimated from local annual solar irradiation, collector area, and usable thermal efficiency. Distilled water output uses a 10% safety reduction.

BiAGUA

BiAGUA

About Us

We specialize in the design and manufacturing of advanced solar thermal products, with strong expertise in pre-heat exchanging solar water heaters for residential, commercial, and industrial applications. We are also the developer of Solar BiAGUA solar distillation water heaters with multi-country patents, which will also be applied to solar desalination. Our vision is: “Wherever there is sunlight and sea water, there will be sufficient clean water.”

“Wherever there is sea water, there will be sufficient clean water.”