Solstice® N71 (R-471A) is Honeywell's new nonflammable, nontoxic, hydrofluoro-olefin (HFO)-based refrigerant that meets the ambitious requirements of FGas 2024 (new EU Regulation No. 2024/573 effective 11/3/2024), and offers significant economic benefits for both installation and maintenance.
NOTE: commercialisation of the refrigerant R471A is planned from Q4 2024 - Q1 2025
Let's find out together 4 reasons why it should be your refrigerant of choice for new equipment in medium-temperature applications.
A) IMPROVES ENERGY EFFICIENCY: Solstice® N71 enables medium-temperature commercial refrigeration systems to deliver energy efficiency improvements equal to:
Calculations based on thermodynamic analysis under the following conditions:
(1) ASHRAE standard evaporation temperature MT for R404A, R471A, CO2 ; (2) Evap. superheat. equal to 9 K for R404A, R471A, CO2 ; (3) Suction superheat of 18 K for R404A, R471A, CO2 ; (4) Compressing isentropic effciency of 65%, volumetric effciency of 100% for R404A, R471A, CO2 ; (5) Ambient temperature of 29.5 °C; Condensation temperature of 40.50 °C (no subcooling) for R404A and R471A; for CO2 Exit temperature from gas cooler of 31.67 °C and -15.6 °C approach; (6) Cooler gas pressure for CO2 of 83 bar (1204 psia); (7) The cooling capacities of R404A, R471A, CO2 are equalized
B) MAKE YOUR INSTALLATION AND MAINTENANCE PROCESS EASIER: Solstice® N71 is suitable for a wide range of system architectures that perfectly match the design of MV direct expansion systems, keeping the system safe, functional, and energy efficient. Handling, storage, and transport are identical to those of any non-infiammable low-pressure refrigerant: experience or technical skills already used in conventional refrigeration are required. Therefore, you have more choice about the technicians to whom you entrust the installation, maintenance, and service.
C) REDUCES TOTAL OWNERSHIP COST (TCO): Thanks to the efficiency of Solstice® N71, you can cut energy costs and achieve lower total CO2 emissions (TEWI, sum of direct + indirect emissions) in the environment than both old and new generation systems (e.g., R744). By using conventional refrigeration equipment and practices, you avoid paying a surcharge for installation and routine and extraordinary maintenance. It also reduces the risk and unforeseen expenses associated with critical failures that can occur, for example, in high-pressure CO2 refrigeration systems.
D) MEETS SUSTAINABILITY OBJECTIVES: Solstice® N71 is a low-pressure refrigerant and has a GWP <150, this allows for reduced gas leakage and definite emissions in "Scope 1." It also complies with international standards. In addition, because it is more energy efficient than CO2, it helps reduce overall carbon emissions and conserve natural resources.
THE REFRIGERANT WE'VE ALL BEEN WAITING FOR: RETROFITS & NEW INSTALLATIONS!
Class A1 infiammability allows design according to known standards and without costly retrofits in the construction and installation of cooling systems.
Suitable for high ambient temperatures: low condensing pressure, reliability and resilience in extreme conditions, even in tropical environments; unmatched energy efficiency in direct expansion.