Le projet en détails
NB : cette fiche est intégralement remplie par les personnes proposant l’innovation.
Quel est le problème résolu ?
Fountair’s AIR4WATER addresses a dual environmental and industrial crisis:
Environmental problem:
Air conditioners currently waste 0.9 Gt of CO₂ (2.5% of global emissions) purely on dehumidification—while flushing 80 billion litres of pure distilled condensate down the drain every day. Simultaneously, 2.1 billion people lack safe drinking water, and the existing alternatives (bottled water, standalone dehumidifiers, atmospheric water generators, and energy-recovery ventilators) all consume extra energy and generate massive additional embedded and operational CO₂ emissions.
Industrial problem:
The HVAC industry is trapped in a thermodynamic conflict—manufacturers minimize fresh air intake to protect compressor life, causing indoor CO₂ and pollutant buildup (costing humanity 2.2 years of healthy life), while expensive inverter technology excludes the poorest 2.1 billion who need cooling and water most. Meanwhile, the market is fragmented with separate, energy-hungry appliances that fight against each other (e.g., dehumidifiers vs. ACs), creating unnecessary emissions and costs.
What we solve:
We repurpose the energy already spent on dehumidification—producing drinking water and fresh air at zero extra electricity—while eliminating the need for all those separate appliances, avoiding a total of 1.5 Gt CO₂e/year (4.1% of global emissions), and turning the world’s 2 billion ACs into a decentralized water source without adding a single watt of new demand.
Comment est-il résolu ?
Fountair’s AIR4WATER solves this concretely through a patented 4-in-1 integration—combining Ventilation, Air Conditioning, Water Generation, and Heat Recovery into a single split system. Here is the step‑by‑step technical mechanism:
1. Wastewater capture (zero new energy)
It intercepts the pure distilled condensate that every AC already produces during cooling. Instead of flushing this 80 billion litres/day down the drain, it routes the drip‑tray water into the indoor unit.
2. Purification & remineralization
The captured water passes through a patented multi‑stage filter (using silver/copper/zinc‑doped activated carbon, UVC light, and a remineralising calcite/dolomite bed). This removes microplastics, bacteria, and viruses (SGS‑certified) while adding essential minerals for taste and health.
3. Active fresh air intake (solving the CO₂ buildup)
Instead of recirculating stale indoor air, the system uses displacement ventilation to bring in up to 6 air changes per hour (ACH) of fresh outdoor air through a HEPA‑13 filter. This resolves the industry’s “thermodynamic conflict” (where fresh air used to fight cooling and dehumidification).
4. Energy optimization via two passive innovations
SCORIA pad: A bed of red volcanic scoria stones (20‑60 mm) placed around the outdoor unit cools incoming air by 5‑15°C before it reaches the condenser—achieving 39.2% average energy savings (peer‑reviewed Nature Scientific Reports, Feb 2025) entirely passively.
Evaporator Balancer: A passive threaded rod costing <$0.50 replaces expensive electronic expansion valves. It homogenises refrigerant flow, allowing non‑inverter compressors to run continuously—which is critical, because continuous running produces the maximum condensate without the short‑cycling that normally wastes energy and reduces dehumidification.
5. Complete suppression of conflictual appliances
Because this single unit now does cooling + dehumidification + fresh air ventilation + water generation, it entirely eliminates the need for separate, energy‑hungry appliances (dehumidifiers, AWGs, HRVs/ERVs, and water dispensers). All these functions run on the electricity the AC is already consuming—so we produce up to 120 L/day of drinking water and 6 ACH of fresh air at zero incremental wattage.
Qui sont les clients potentiels ?
1. First Clients and Paid Pilots
The AIR4WATER system is already operating in six countries, including the Philippines, Indonesia, Kenya, Australia, China, and Lebanon, with paid samples and development contracts already secured from exhibitions at WETEX Dubai and Leap East Hong Kong. A pilot deployment has also been completed in a factory in China, where two main models, the AIR4WATER 400 Pro and the AIR4WATER 120 Home, are providing clean drinking water and cooling for over 400 people during the trial phase.
2. Advanced Industry Talks
The company is in advanced discussions with three major global air conditioner manufacturers, including Blue Star in India, Gree in China, and Hisense in China, all of which are qualified leads actively evaluating the technology for integration into their product lines.
3. Major Award and Validation
Fountair won the Dubai Global Water Award, which carried a one million dollar prize and featured 200 teams from 47 countries. The video demonstration of the invention was produced by the award team, providing strong third-party credibility. The technology has also received the Solar Impulse Foundation Efficient Solution label, further validating its environmental and economic viability.
4. Technology Maturity
The AIR4WATER system has reached Technology Readiness Level TRL 7 to 8, meaning the system prototype has been demonstrated in an operational environment and is now接近 actual deployment, with SGS-certified purity testing confirming that the produced drinking water meets World Health Organization quality standards.
5. Revenue Model and Market Indicators
While no specific revenue figures are disclosed in the documents, the total addressable market for the filter cartridge replacement business is estimated at 280 billion dollars, with a 70 percent margin for Fountair. This recurring revenue model is already underpinned by the 200 qualified leads generated from the company's exhibition presence and the royalty-free licensing agreements under discussion with manufacturers, which require no upfront fees, no per-unit royalties, and no increase in hardware costs for the licensees.
En quoi cette solution est-elle différente ?
Here is what fundamentally distinguishes Fountair AIR4WATER from every existing alternative on the market—based directly on the patents, cost structure, installation ease, and thermodynamic superiority outlined in your documents:
1. Technical & IP Superiority (4 Patent Families)
AIR4WATER patent (PCT‑approved, WO2025/248380 allowed): The world’s first integrated split system that combines Ventilation + Air Conditioning + Water Generation + Heat Recovery in a single unit—resolving the thermodynamic conflict between fresh air, humidity, and cooling.
SCORIA patent (Nature Scientific Reports, Feb 2025): A passive volcanic‑stone pad that cools incoming air by 5‑15°C before it hits the condenser, delivering 39.2% average energy savings (COP 2.8 → 5.0) with zero moving parts.
Evaporator Balancer patent: A passive threaded rod costing **< $0.50** that replaces expensive capillary distributors ($20‑$35) and fragile electronic valves ($75‑$150) — no calibration, no electronics, no orientation constraint.
Filter Cassette patent: Biodegradable (PHA/chitosan, zero petrochemical plastic), captures nano‑plastics that conventional filters miss, and uses a self‑terminating piston lock for safety—enabling the recurring revenue model.
2. Cost & Business Model (Unmatched Market Barrier Removal)
Royalty‑free licensing: No upfront fees, no per‑unit royalties, zero increase in AC manufacturers' hardware costs — this removes the #1 adoption barrier that kills most clean‑tech innovations.
Total Addressable Market: 2 billion ACs × 2 filters/year = 4 billion filters/year → $280B TAM with 70% margin, plus carbon credits — all at €0 customer acquisition cost because licensees distribute the hardware.
Eliminates entire supply chains: Suppresses the need for standalone dehumidifiers, AWGs, HRVs/ERVs, water dispensers, and the global bottled‑water chain — avoiding their embedded manufacturing, shipping, and electricity emissions (contributing to the 4.1% total avoided).
3. Ease of Installation & Retrofit (Instant Scalability)
Standard connectors: Uses universal SAE 45° flare connectors — the same fitting already used in every AC installation worldwide. No new infrastructure, no specialized training.
Retrofits any existing split AC (residential or commercial) — replaces only the indoor unit, leaving the outdoor compressor and refrigerant lines untouched.
Adapted to non‑inverter (on/off) compressors — the most affordable, reliable, and widely deployed ACs globally (especially in developing countries). Unlike expensive inverter systems that exclude 2.1 billion people, AIR4WATER outperforms inverters’ claimed efficiency while running continuously to maximize water production.
4. Thermodynamic & Operational Distinction (vs. AWGs)
AWGs release latent heat of condensation into the room — they literally fight the AC, adding heat load while the AC is trying to cool and dehumidify. This makes AWGs incompatible indoors.
AIR4WATER does the opposite: It intercepts the condensate after the AC has already performed the work of removing latent heat from the indoor air. It produces up to 120 L/day of drinking water and 6 ACH of HEPA‑13 fresh air at zero incremental electricity — the water comes as a byproduct of cooling, not an energy‑hungry add‑on.
5. Immediate Credibility & Traction
TRL 7–8: Operating in 6 countries with paid samples and pilots.
Dubai Global Water Award ($1M prize, 200 teams from 47 countries).
Peer‑reviewed validation (Nature Scientific Reports).
Advanced talks with major AC manufacturers: Blue Star (India), Gree (China), Hisense (China).
In short: No alternative offers a single, royalty‑free, passively‑powered, retrofittable, 4‑in‑1 system that turns the world’s existing AC fleet into a water source — without adding a single watt of extra energy, while actively suppressing the conflictual appliances that create more emissions.
