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AGUAdens H 16, 22 and 37 is the range of wall-hung instantaneous condensing water heaters, completely patented and assembled by Cosmogas.
AGUAdens H is the ideal solution for residential use, as well as for those utilities requiring large water production, even simultaneously, like sports or industrial facilities, gyms and spas.
Product category: Indoor condensing water heater
Output: 16 - 22 - 37 litres (27 - 34 - 61 kW)
Suited for: Residential
Hot water heat exchanger: Combustion chamber made of 100% Titanium (AGUAdens 37H) or AISI 316Ti stainless steel (AGUAdens 16H and 22H). Resistant to corrosion and to chlorine
Domestic hot water: 3 showers simultaneously (AGUAdens H 37 - 5 showers)
Connectivity: Manageable through EcoHOME Life App – connectable to remote control
Energy saving: +30% compared to conventional water heaters





New energy saving legislations and modern residential and commercial building insulation techniques have significantly reduced heating needs.
On the other hand hot water usage is increasing as much as fuel consumption for its production.
Considering that hot water is used 365 days a year in all parts of the world, saving on hot water production has become a priority.

AGUAdens H is a newly developed condensing water heater, able to satisfy the needs of domestic hot water production in homes, offices, sport centres, shopping malls.
The first to guarantee energy saving, comfort, ease of use, reliability and low environmental impact.
Compared to conventional water heaters, with AGUAdens H you will save up to 30%.

AGUAdens H, by producing hot water instantaneously, ensures maximum hygiene and prevents any risk of contamination from Legionella bacteria, problem that may occur when hot water is produced using storage tanks or boilers.

AGUAdens H is managed by the cutting-edge CIMA (Cosmogas Integrated Modular Architecture) electronic platform, developed in Italy to meet the high standards of efficiency and reliability required of Cosmogas products. This advanced technology utilises modern, high-performance microprocessors, making the system fully compatible with the most widely used home automation systems.
Furthermore, the CIMA platform intelligently regulates the burner output, adjusting it in real time to maintain a constant outlet water temperature. This system minimises gas consumption, ensuring significant energy savings without compromising on comfort.

Cosmogas is the only manufacturer capable of offering a primary heat exchanger that can be directly supplied by mains water.
To withstand the aggressive combination of high flame temperatures and water chemistry, the tubes directly exposed to the flame (first flue gas passage) are made of Titanium Grade 2 (AGUAdens 37H) or AISI 316Ti stainless steel (AGUAdens 16H and 22H), while the second and third passages use AISI 304L stainless steel tubes, where corrosion is less severe.
The three-coil, weld-free design preserves the intrinsic properties of both Titanium and stainless
steel, ensuring exceptional corrosion resistance.

On request, AGUAdens H can be combined with Comodo, an elegant and innovative advanced Wi-Fi chrono control with a 5” touchscreen display and the dedicated Cosmo+ APP.
You can control the water heater from the comfort of your sofa or whilst away from home, using your smartphone.
Switch on the system before you get home, or set different schedules for each day of the week and check the operating parameters instantly via the “Syn Check” synoptic panel.
With a view to reducing environmental impact, the Service Centre can take action remotely via the Cosmo+ APP; this results in savings in terms of time and travel costs, but above all, less CO2 released into the atmosphere.


Thanks to COVER-BOX, the ABS, anti-UV weather-resistant insulated cover, AGUAdens can be installed outdoor!
Its compact dimensions and elegant design make it easy to fit in any location.

Control panel with digital backlit display for an easy and intuitive visualization of parameters, boiler phases, error messages, with electronic temperature control.
Display backlighting turns off after 5 minutes of inactivity.
Are you a professional? Find the technical documentation about this product in the Professionals section.