BoxAir ACC®

Standard design with high level of
prefabrication in workshop

BoxAir ACC®


About BoxAir®

BoxAir ACC® is an innovative Induced Draft Air-Cooled Condenser (ACC), suitable for all power plants ranging from 1 to 30 MWe. This ACC type consists of standard boxes that are easy to assemble. The extended standardization of this dry cooling solution guarantees a very short delivery schedule and a high reliability level.

BoxAir ACC® is suited for applications such as waste incineration plants, biomass, solar and geothermal power plants. It is also used when a capacity increase of an existing power plant is needed.


Features of

BoxAir ACC® is an Induced Draft Air-Cooled Condenser (ACC), made of several standard boxes installed side by side.

The Single-Row Condenser tubes (SRC®) are arranged in two deltas inside the BoxAir ACC® box. The deltas are delivered with welded-on steam manifold and condensate collection headers. The air is drawn across the finned tubes by two axial flow fans located on top of the BoxAir ACC® box. This ACC concept drastically reduces site welding and construction duration thanks to its high level of pre-assembled parts (compared to a standard A-frame design).

BoxAir Air Cooled Condenser steam cylce

Projects installed in pictures



BoxAir ACC® offers decreased wind sensitivity and improved performance during windy conditions. Lower steam velocity in the finned tubes results in a reduced risk of flow accelerated corrosion in the finned tubes.


High quality

BoxAir ACC® contains full heat exchangers including steam and condensate manifolds. To ensure quality and weld integrity, these parts are factory tested.


High performance

The lower back pressure available at low air temperature, leads to an enhanced average power plant output.


Cost effective

BoxAir ACC® has a standard design with a high level of prefabrication in the workshop. This leads to an easier and safer construction of the structure. The standard air-cooled condenser module reduces delivery time. BoxAir ACC® reduces visual impact since it has a lower overall height.


Case studies
of BoxAir®

Get to know clients that installed BoxAir®

Case study: Partanna
Highlighted case
Case study: Partanna
SPG Dry Cooling Box-Air 2.0 Air Cooled Condenser designed and manufactured for FATA S.p.A. The solar power plant will generate 4.26 MW.
View case

Service & Support


Minimize the risk of downtime and expand asset`s lifespan. Tailored to your needs, SPG Dry Cooling offers a variety of maintenance services. Keeping your dry cooling system performing at optimal levels. Our programs allow you to conduct best practices, maintenance and repairs in an efficient way.

Start your journey with
SPG Dry Cooling

All projects require a different and unique approach. Your first
point of contact with SPG Dry Cooling will be our dedicated and
experienced sales team. You will have a committed team
(project manager, engineering team, quality control officer,
logistics officer) at your disposal through the whole process.
Our team members offer a high quality of customer care and
strive for excellence in service delivery. Please reach out for
more information or a personalized quote.

contract (1)

Contract Signature

rocket (1)

Kick-off Meeting

With our Project Manager, Engineering team, Quality Control Officer, Logistics officer, as well as with equivalent representatives from the client-side.


Engineering phase

In the first phase, we will hand the client a basic design of the requested product. In the second phase, we will start with a more detailed design.


Procurement phase

With our Project Manager, Engineering team, Quality Control Officer, Logistics officer, as well as with equivalent representatives from the client side. Our Sales Manager will also be there, and often the client’s procurement manager too.

cogwheel (2)

Fabrication phase


Delivery to client

We can make the equipment and materials available for client pick-up. Or we can deliver goods to the project site.


Erection on site

Erection services can be provided as an option.



Commissioning supervision is provided by one of our experienced technicians.


Warranty period

Discover our innovative products

Looking for a product that offers optimum energy savings and maximal comfort? Select your product and discover a wide range of benefits.

A-frame Air-cooled condensers immediately condense the steam turbine exhaust flow and return condensate to the boiler without water loss. They are frequently used in electrical power plants and waste to energy plants of all sizes.
ModuleAir® is an innovative modular air-cooled condenser (ACC) that directly condenses steam turbine exhaust flow and return condensate to the boiler without any water loss. With construction savings of up to 25%, compared to a standard A-frame, construction time can be reduced by several months for large power plants.
W-Style ACC® is an innovative Induced Draft Air-Cooled Condenser (ACC) directly condensing the steam turbine exhaust flow. The condensate returns to the boiler without any water loss. With its unique “W” heat exchanger structure, the amount of steel and overall height of the ACC are dramatically reduced. This is useful for all power plant applications.
Hexacool® is a standardised, modular air-cooled condenser (ACC) which is easy to build and robust in performance. It is used in waste-to-energy, biomass, small size electrical power plants and industrial co-generation. Hexacool® induced draft configuration saves up to 15% fan power consumption.
An Indirect Dry Condensing system connects an Indirect Dry Cooling tower (IDCT) with a steam surface or jet condenser. Its tall concrete or steel shell eliminates hot air recirculation. Indirect Dry Cooling solutions offer a reduced maintenance and are suited for large capacity condensing units.
Air-Cooled Heat Exchangers (ACHE) are custom designed heavy-duty fin tube heat exchangers. They allow the direct cooling by air of various process mediums. ACHEs are used in applications in many industries, such as power, chemical, ORC plant, Oil & Gas, steel and several other industries.

Get in touch

Questions about
BoxAir ACC® ?

Interested in learning more about BoxAir® solutions? Share your project request, and we'll get in touch with you very soon!