Cogeneration plants, biomethane upgrading, and heat recovery systems
COGENERATION PLANTS
7.5 kWe to 2.5 MWe methane gas and biogas cogeneration plants
BIOMETHANE UPGRADING
Biomethane upgrading plants with PSA or membrane technology up to 10,000 m of biogas
FUEL CELLS AND HYDROGEN
Systems for converting hydrogen into electrical and thermal energy
COMPRESSED AIR
New cogeneration plants that use methane gas to produce compressed air and thermal energy
ORC SYSTEM
Systems for the recovery of disposable thermal waste
GAS ENGINES
Low-emission gas engines
HEAT PUMPS
High temperature reversible modular heat pumps.
They ensure stable performance even in severe climatic conditions and maximum integration in industrial and tertiary contexts
TURBO CHARGERS
Supply and service for turbochargers of all brands
OUR BRAND
Prestigious representations and imports exclusively for Italy. Ranieri Tonissi is the reference point for some of the most important brands in the sector. Choose the brand you’re interested in to find catalogs, datasheets, and more.
With a range spanning from 200 kW to over 4 MW, with engines powered by natural gas and biogas, ETW is a recognized partner of over 500 public and private energy-intensive entities.
Hotels, residences, clinics and nursing homes, schools and sports centers, but also apartment buildings, greenhouses, farms, and agritourism facilities: there are countless possibilities for applying this versatile, high-performance product.
The range of products offered by the Hiddenhausen-based company spans from 50 kW to 500 kW, with the most compact and powerful product in its class standing out.

We represent Orcan Energy AG, Europe’s leading company in heat recovery. Using efficient solutions based on ORC (Organic Rankine Cycle) technology, we convert heat dissipated in exhaust gases or lost in other processes in the form of steam into electrical energy.

WJ POWER GmbH develops and manufactures highly efficient, low-emission, and reliable gas engines for power generation plants.
SERVICE
TONISSIPOWER guarantees technical assistance and maintenance services that ensure its customers get the maximum return on their investment.
Optimization of times and shared scheduling of maintenance interventions, reduction of unexpected breakdowns through targeted preventive maintenance interventions, maximization of plant availability hours: these are the key criteria of TONISSIPOWER’s offer.
On-site and remote assistance 24/7, minimum on-site intervention times, remote control and online diagnostics, prompt availability of original spare parts, maintenance contracts tailored to specific customer requirements: these are TONISSIPOWER’s operating methods.
Service and maintenance contract
Spare parts, On-call service, Preventive and corrective maintenance, Full service
Spare parts
Timely supply of original spare parts throughout the country
Service
On-site service
On-site and remote assistance 24/7, minimum on-site intervention times.
Remote control and online diagnostics
TonissiPOWER offers a remote control and online diagnostics service
On-call service for our customers +39 346 1047694




