AmbiSteam -
Zero-emission Steam Production from Waste Heat
Steam above 5 bar with a heat‑pump‑based solution
A Heat Pump Plant That Makes Steam Production Combustion‑free
The modular AmbiSteam solution utilizes process waste heat and converts it into steam — even fully emission‑free.
The modular, factory‑tested heat‑pump plant can produce steam above 5 bar and is delivered as a complete ready‑to‑install unit to the customer’s site.
AmbiSteam – Clean Steam for Industrial Use
The AmbiSteam plant, based on the SteamLevel heat pump, enables some of the first fully emission‑free steam production installations in Europe. It is entirely independent of combustion‑based energy sources and is suitable for a wide range of industrial steam applications, such as hygienic processes, evaporation, and sterilization.
AmbiSteam supports industrial sustainability goals by quickly and efficiently minimizing the costs and emissions of steam production. The solution is delivered as a modular full‑system delivery and integrates into existing systems with a plug‑and‑play approach.
Learn More in the AmbiSteam Guide
The AmbiSteam solution enables steam production from waste heat – among the first of its kind in Europe.
At its core is the SteamLevel® heat pump technology, developed over more than a decade. It refines industrial waste heat into process steam above 5 bar, entirely without combustion and with exceptionally low production costs.
Download the guide to explore the technology behind the solution in more detail.
The Next Step Towards Industrial Emission Targets
Energy solutions utilizing waste heat have long played a key role in industrial sustainability roadmaps.
Now their potential extends to steam production – taking industrial steam solutions to a new level.
Key benefits of AmbiSteam Solution
Key benefits of AmbiSteam Solution
How Does the AmbiSteam Solution Work?
The AmbiSteam solution utilizes waste heat from individual industrial processes and converts it into steam for various applications.
With the AmbiSteam solution, utilizing SteamLevel® steam heat pump, it is possible to produce emission-free steam above 5 bar for process industry applications while efficiently utilizing process waste heat.
Waste Heat Recovery for Steam Production
- Recovered heat is further refined into steam with excellent efficiency.
- Even at pressures higher than 5 bar, the integrated system generates emission-free steam for ongoing industrial requirements.
- Permits the creation of low-emission steam without altering the process.
Significantly Reduced Need for Purchased Energy
- The integrated system uses heat pump technology to employ waste heat for steam generation.
- Enables significant primary energy savings without compromising production.
- Can be combined with cooling solutions to further improve overall efficiency.
Turnkey Modular Solution
- AmbiSteam solution is delivered as a modular, full‑system delivery.
- The AmbiSteam system is intended for industrial applications, increasing both steam output and total energy efficiency.
- AmbiSteam solution lowers energy expenditure while increasing resource efficiency.
Steam Above 5 Bar with a Modular Plant
The modular AmbiSteam-solution is based on the SteamLevel heat pump, which utilizes waste heat to produce steam. If needed, steam pressure can be increased using MVR technology.
“Throughout Calefa’s history, we have focused on making energy‑efficient, zero‑emission energy solutions easily accessible. The AmbiSteam solution takes industrial waste‑heat utilization a significant leap forward.”
– Petri Vuori, Calefa Oy
AmbiSteam Solution for Industrial Use
Calefa’s AmbiSteam solution is designed for industrial steam applications requiring pressures of up and above 5 bar, particularly in locations where usable waste heat is created.
The system uses heat pump technology to produce clean, emission-free steam, eliminating the need for combustion processes or exhaust emissions.
Typical applications include washing, drying, cooking, and sterilization.
The AmbiSteam solution can be used alongside existing operations as well as to generate steam for a fully new production line. The solution is delivered as a factory-ready module that can be commissioned quickly and without the need for extensive process modifications.
Ready for Industrial Requirements
AmbiSteam is based on Calefa-developed and field-tested technology, which is already in use in the pharmaceutical industry, forest industry, and power plant sites. The steam heat pump technology in AmbiSteam is adaptable for plants of various sizes and is always delivered with dimensions tailored to the specific application.
Steam Solution for the Food Industry
A fossil-free steam solution for heating and washing processes in the food industry – without compromising strict hygiene requirements.
The AmbiSteam solution is a fast and compact way to increase steam capacity without a separate boiler investment.
It is especially suitable for pasteurization, cleaning, and production phases where steam must be sourced locally or separately from the main line. This energy-efficient and emission-free solution enables electrification and the utilization of waste heat in steam production.
AmbiSteam Applications in the Food Industry
- Pasteurization and sterilization
- Cleaning and washing lines
- Cooking and production processes
Steam for the Chemical Industry
A new way to produce steam for auxiliary processes in the chemical industry – energy-efficient and emission-free.
The steam heat pump enables emission-free steam production for separate reaction, cleaning, or auxiliary processes.
The AmbiSteam solution is ideal for a variety of hybrid models in which elements of the plant are gradually electrified. It supports the chemical industry’s transition toward lower-emission production and reduces both investment needs and the burden of safety and permit procedures.
AmbiSteam Applications in the Chemical Industry
- Initiation of reactions and temperature control
- Distillation and extraction
- Heating of pipelines and tanks
- Cleaning and sterilization
Steam Heat Pump Plant for the Forest Industry
A targeted solution for steam needs – without the need to invest in a new boiler.
The AmbiSteam solution may free up main boiler capacity by moving local steam requirements to its own system, lowering energy consumption, and boosting overall process efficiency.
The modular AmbiSteam also simplifies steam supply to separate production buildings without the need for a new pipeline.
AmbiSteam Applications in the Forest Industry
- Drying of pulp and paper
- Cooking and washing of pulp
- Cleaning of equipment and pipelines
- Heating of side processes (e.g., extraction, chemical production)
Steam Production for the Pharmaceutical and Biotech Industry
A clean and cost-effective steam solution for processes requiring precision and hygiene.
The AmbiSteam heat pump plant meets even the strictest purity and validation requirements without combustion or flue gases.
It is ideally suited for separate production units where independent and clean steam supply is required.
At the same time, the AmbiSteam solution simplifies maintenance and process control in demanding and tightly regulated environments.
AmbiSteam Applications in the Pharmaceutical and Biotech Industry
- Sterilization and disinfection
- Heating of pure water systems
- Cleaning of equipment and autoclaves
- Processing of heat-sensitive substances
Steam Heat Pump for the Battery Industry
An electric steam solution for next-generation processing plants – efficient, clean, and quick to deploy.
AmbiSteam supports the battery industry’s goal to build production plants fossil-free from the start.
The modular and turnkey AmbiSteam technology, is easy to implement even in quickly built units.
The next-generation steam heat pump plant enables the utilization of waste heat in closed processes where energy circulation is critical.
Applications in the Battery Industry
- Dissolution of metal salts
- Heating of process water
- Temperature control for filtration and crystallization processes
- Temperature regulation of reactors or tanks
Looking for a Solution for Industrial Steam Production?
Lari Heinonen
Sales Manager
+358 40 523 8591
lari.heinonen@calefa.fi
Petri Lång
Sales Manager
+358 50 380 5378
petri.lang@calefa.fi
