Higher Temperatures Create Higher Stakes for Refrigerants


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Higher Temperatures Create Higher Stakes for Refrigerants


The industry is also choosing HFO-1234yf, which has a AR4 GWP of 4 and is used as a blend component in Chemours A1 and A2L products. Although A2Ls are for new equipment only, lower-GWP A1 refrigerant solutions can help in retrofits. For most applications using a higher-GWP HFC in an existing system, there’s likely a lower-GWP HFC/HFO blend for retrofit applications.

 Demand 2—Balance Environmental Properties with Optimal Performance

The true innovation in refrigerant development lies in striking the optimal balance between environmental impact and performance for a diversity of applications. A2L refrigerants have been designed with the following important factors in mind, raising the bar in terms of performance and support for environmental priorities. 

  • Low GWP and zero ozone depletion potential (ODP)
  • Reduced energy consumption
  • Circularity—ability to be recovered, recycled, and reclaimed
  • Lower operating costs over the lifetime of equipment
  • Safety—for technicians and end users
  • Overall performance—measured by capacity, reliability, and efficiency
  • Can be serviced by a large existing workforce of trained technicians
  • Responsible manufacturing focused on reducing carbon emissions
  • Availability and supply chain strength

Demand 3—Solve for Climate Zone Challenges

ASHRAE divides the U.S. into eight major climate zones. These range from Zone 1, which is very hot, humid, and dry, to the subarctic Zone 8. Between these two extremes, we find various levels of heat/cold, humidity, and dryness. These climate zones provide system engineers with guidance for choosing the best designs—including refrigerant selection—so that each zone can be equipped with the appropriate system, optimized for year-round capacity, efficiency, reliability, and more. Here are a few scenarios to illustrate cooling and heating challenges in various climate zones:

  • Tropical—High heat and humidity put heavy demand on cooling equipment, from air conditioners to refrigeration systems. These cooling systems are likely to run most of the year, so choosing a highly energy-efficient option is paramount.
  • Hot, dry climates—Refrigerants need to work extremely hard and support systems that reduce issues like icing. In commercial applications, refrigerants must minimize large temperature swings.
  • Colder ambient temperature zones—Cooling systems in these climates have limited use during the year, but they must perform reliably when needed.
  • Climates where heating buildings is prioritized over cooling them—There is a transition from traditional AC-only units to new-generation heat pumps. Heat pumps must be properly sized to ensure occupant comfort and keep the heat pump from “struggling” to control humidity when operated in AC mode. 

Installations are already happening that represent milestones for A2Ls—in and beyond commercial refrigeration. As climate change continues to “thaw out” winters and heat up summers, refrigerants will play an increasingly important role in keeping people and products cool and helping to reduce the impact that industry and society have on rising global temperatures. A2Ls are the foundation of the HVACR industry, offering a full toolbox of systems, components, and refrigerants that meet—in a highly efficient manner—the challenges of cooling and heating in various climate zones.

Whether you require installation, repair, or maintenance, our technicians will assist you with top-quality service at any time of the day or night. Take comfort in knowing your indoor air quality is the best it can be with MOE heating & cooling services Ontario's solution for heating, air conditioning, and ventilation that’s cooler than the rest.
Contact us to schedule a visit. Our qualified team of technicians, are always ready to help you and guide you for heating and cooling issues. Weather you want to replace an old furnace or install a brand new air conditioner, we are here to help you. Our main office is at Kitchener but we can service most of Ontario's cities


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