Replace R22 Refrigerant In Roof Top Units
After 2020 any air conditioning or heat pump system using r 22 that requires servicing will have to depend on potentially expensive r 22 stockpiles or reclaimed refrigerant.
Replace r22 refrigerant in roof top units. You can still recharge your hvac system using r22 but it will be expensive. But keep in mind that your licensed professional ac or heat pump dealer can t simply replace r22 with any other refrigerant without additional modifications. By january 1 2010 there was a ban on the production and import of r 22. Now as of january 1 2020 there s a ban on the remaining production and import of r22 and r142b with the servicing of r22 systems limited to recycled and stockpiled quantities of freon.
This is commonly referred to as a drop in replacement. According to the epa there are several ozone friendly refrigerant options that are available and widely used today to replace r 22. High gwp gases become dangerous to the environment when they leak. Some of these are r 134a r 507 r 404a r 407c and r 410a.
3 options for r22 freon replacement. In the case of hvac systems conversion requires replacing the r 22 compressor evaporator and condenser with units designed to run with r 410a. But this refrigerant shouldn t be used in systems that have a capillary. The new hvac units that are being produced include the most common of them.
Epa regulations require a ban on the production and import of r 22 refrigerant by january 1 2020. Acs and low temperature refrigerators are some of the best applications in this regard. The refrigerant would soon replace r 22 in the new hvac equipment. Rs 45 r434a rs45 is another great alternative refrigerant to r22.
A licensed professional hvac dealer may offer to retrofit your current r22 refrigerant system to work with another refrigerant. Rs45 is a capacity match to r22. So let s see what is the replacement for r22 refrigerant which can be used with the air conditioning compressor and with flooded evaporators. It can be successfully used to replace r22 across a wide range of hvac r applications out there.
Some units such as large commercial rooftop air conditioners or the refrigeration units in supermarkets can lose 25 30 of their refrigerant charge every year rydkin says ultimately emitting thousands of pounds of refrigerant gas into the air. Apart from describing r22 alternative refrigerants the article also describes epa instructions for r22 replacement. The refrigerant would soon replace r 22 in the new hvac equipment. R 410a is the replacement for r22.
Sometimes the copper lines connecting the components. 5 as a result manufacturers of heat pump and air conditioning equipment redesigned their systems to accommodate r 410a a chlorine free refrigerant compared to r 22. R 410a otherwise known as genetron az 20 suva 410a forane 410a and most recognizably puron.