Heikki Hallila appointed CEO of Calefa Oy, Petri Vuori to continue as Chief Commercial Officer (CCO)

Calefa Oy is strengthening its leadership for the company’s next phase of growth. The company’s Board of Directors has appointed Heikki Hallila as CEO of Calefa Oy as of 19 October 2026. Calefa’s current CEO and founding partner Petri Vuori will continue with the company as Chief Commercial Officer (CCO).
Electrifying Heat Production Cuts Summer Emissions in District Heating

Surprisingly, summer is one of the most emission‑intensive periods in district heating, even though heat demand is at its lowest. Traditionally, the reduced summer load has been covered with fossil-based peak and backup boilers. Today, electrification of heat production offers a targeted and effective way to reduce these emissions.
Financing Solutions Accelerate Energy Efficiency

Well-structured financing is available for strong energy-efficiency projects, making it possible to move forward with positive cash flow from day one. In practice, financing helps bridge the gap between a company’s current investment capacity and its future energy savings.
Calefa to Deliver a Heat Pump and Electric Boiler Solution for Paimion Lämpökeskus

Paimion Lämpökeskus is systematically electrifying its heat production. Calefa will deliver a modular plant with 1.6 MW heat pump system and a 1.2 MW electric boiler to help reduce combustion-based energy production and increase operational flexibility in a changing energy market.
Cash-Flow-Positive Investments: 5 Myths That Hold Back Energy Projects

Industrial companies could use leasing financing bolder in energy-efficiency investments. According to Calefa’s Petri Vuori, projects with an exceptionally short payback period are still being left unrealized.
Mäkelä Alu’s sustainability journey with Calefa

The world’s cleanest aluminum profiles are produced in Finland. Calefa is one of the longterm partners supporting the familyowned manufacturer Mäkelä Alu on its sustainability journey.
Calefa Smoothly Integrates Natural Refrigerants into Heat Pump Technology

The purpose of the EU’s revised F-gas regulation is to gradually reduce the use of fluorinated greenhouse gases. For Calefa, the transition to natural refrigerants is a consistent part of the company’s heat pump technology development.
Calefa Continued Its Strong Growth in 2025

The year 2025 was, in many ways, historic and successful for Calefa. Robust product development in both heat and steam production has laid a solid foundation for continued future growth.
Full Steam Ahead: Calefa Oy launches a waste heat-powered steam heat pump

The new AmbiSteam® solution offers a modular, turnkey system for producing process steam above 5 bar with exceptional energy efficiency and even completely emission-free operation. It is based on Calefa’s SteamLevel® heat pump, which enables industrial steam production from waste heat—among the first in Europe.
Calefa Oy’s Heat Pump Plant for Savon Voima wins Heat Pump City of the Year Award

The AmbiHeat heat pump plant, built to Savon Voima’s Joensuu power plant, is the first of its kind in Europe in terms of its overall solution. It innovatively utilizes both waste heat from flue gas scrubber and river water as heat sources.