Turning buildings into carbon sinks.

Our modular direct air capture systems help reduce buildings’ CO₂ emissions, save energy costs, and help companies comply with legislations (for example, LL97, 45Q, or EPBD) by making buildings capture carbon dioxide from the air.

Building-Integrated CO₂ Capture

Shifting to renewables is allowing the world to reduce emissions across many parts of the economy. However, Real Estate emissions remain difficult to avoid. Buildings, responsible for 38% of global emissions, can be turned into carbon sinks by making them capture and permanently store CO₂.

Our patented Building-HVAC-Integrated CO₂ Capture Technology is uniquely developed for installation in buildings and does not need high temperatures or specific geography. CO₂ is captured throughout the year by utilizing buildings’ existing HVAC systems and the residents enjoy CO₂-lean air. Captured CO₂ returns to the building in the form of concrete blocks and creates negative emissions.

What is a carbon sink?

A carbon sink is a reservoir that stores carbon dioxide permanently after capturing it from the atmosphere.

How much CO2 can Soletair Power capture?

For a standard ventilation unit handling 3.3 m³/s, our Building-HVAC-Integrated CO₂ Capture Unit can capture 47 kilograms of carbon dioxide per day per module. On average, there are six modules per building. So it’s around 300 kg/day from an average commercial building.

What is direct air capture (DAC)?

Direct air capture (DAC) is a technology that uses chemical materials to capture carbon dioxide from the atmosphere. When air is moved over these materials, they selectively capture the CO₂, allowing the other components of air to pass through.

Why are DAC and carbon sinks needed?

One of the biggest benefits of direct air capture is siting flexibility. DAC does not require arable land, which can minimize impacts on food production or other land uses. DAC is needed alongside plantations because planting a trillion extra trees will remove only a quarter of the CO₂ currently in the air (Ref: BBC). DAC also has a limited land and water footprint and can be installed in places close to suitable CO₂ storages, thus eliminating the need for CO₂ transport.

What is the effect of CO2 on people in buildings?

High concentration of CO₂ in the air indoors has a direct influence on how people think (Ref: Harvard University). The standard indoor CO₂ level is expected to stay between 450 and 600 ppm, which is slightly above the normal levels in outdoor air (414 ppm). From 1,000 ppm, room occupiers start to feel dissatisfied and with every 400 ppm increase in CO₂ concentration, our cognitive function score drops by 20%. CO₂ undercuts our ability to perform in thought works at full potential.

What makes Soletair Power unique?

Soletair Power’s technology is the first in the world to integrate atmospheric carbon removal utilizing ventilation systems in buildings. In addition to offsetting building’s CO₂ emissions, HVAC-DAC integration can reduce HVAC’s operational costs, and improve people’s well-being. This also brings in the potential to create a localized supply of alternative energy sources.

How it works

Visit our Technology page

White colored Outdoor Carbon Dioxide Capture Unit

Read how our Outdoor Carbon Capture Unit works (Case: ZBT, Duisburg, Germany)

Soletair Power Building Carbon Capture System HVAC Integrated Direct Air Capture in Building CCUS CO2 capture for emission reduction

Read how our Building Integrated Carbon Capture Unit works (Case: Wärtsilä STH, Vaasa, Finland)

Watch how our Power-to-X Unit works (Case: Expo 2020 Dubai, United Arab Emirates)

Reduce your building’s emissions footprint. Capture CO₂ from the air with your own device onsite.

Modular CO₂ Capture Machines

View our products

OUTDOORS

Outdoor CO2 Capture Unit

HVAC ROOM

Building-HVAC Integrated CO2 Capture

INDOORS

Indoor CO2 Filtering Air Purifier

Multiple systems from Soletair Power are enabling buildings around the world to capture CO₂ from the air with novel Direct Air Capture technology.

Soletair-Power-demonstrating-making-fuel-out-of-thin-air-at-the-Finland-Pavilion-at-Expo-2020-Dubai

Power-to-X demo (Making fuel from air)

With Wärtsilä and Q-Power at Expo 2020 Dubai, UAE
(inside exposition hall)

2021

Important people discussing in front a carbon capture system a camera is present

Ambient air CO2 capture unit

The hydrogen and fuel cell center ZBT GmbH, Duisburg, Germany
(commercial building premise)

2022

Soletair Power Buildings as Carbon Sinks Wartsila Unit

Building-integrated CO2 capture unit • DAC 1.0

Wärtsilä Sustainable Technology Hub, Vaasa, Finland
(building’s HVAC room)

2023

Building-integrated CO2 capture and CO2-to-X project - DAC unit 2.0

Will be retrofitted inside a factory where CO₂ will be captured and converted into a novel product.

Air-to-X

2023

Testimonials

“… demonstrating a whole variety of Power-to-Gas”

“DAC technology is a link to close the carbon cycle and to enhance the storage of renewable power. We are happy to install Soletair Power’s system and demonstrate the whole variety of Power-to-Gas applications on our test field in Duisburg.”

Ulrich Gardemann

Group Leader, Methane Technologies, ZBT

Read the story

“… CO₂ is radically reduced from the air before it enters the auditorium”

“We have a great situation here (at Wärtsilä STH auditorium) where the quality of the air itself is improved – and we’re taking that CO2 to build something sustainable, too”