The R-410A Refrigerant Change
The R-410A refrigerant change, explained honestly.
A lot of homeowners on Long Island have been told their air conditioner or heat pump has to be replaced because the refrigerant is being discontinued. Some of what they have been told is true. Some of it is a sales pitch. This page separates the two, because the difference is whether you spend money you do not need to spend. If you want to talk it through, call (631) 873-5844.
Travis Hart has worked in heating and air conditioning since 2017 and founded Hartworx HVAC in 2026. He is EPA Section 608 Universal certified (certification number 303313), which is the certification required to handle these refrigerants legally. The company is new and the person who answers is the person who shows up.
What the rule actually says
Under the EPA AIM Act (the American Innovation and Manufacturing Act), manufacturers stopped producing R-410A residential condensing units and heat pumps on 1 January 2025. Any remaining pre-built R-410A split systems had to be installed and operational before 1 January 2026. That date has passed.
Every new central air system and heat pump installed today uses an A2L refrigerant — R-454B or R-32. A2L is a refrigerant classification that means mildly flammable, and the equipment designed for it is built and installed to the standards that classification requires.
What the rule did not do is outlaw the R-410A system already in your house.
What it means for a system you already have
R-410A remains available indefinitely for servicing existing systems. A working R-410A system does not have to be replaced because of the refrigerant rules. If your system is cooling and the refrigerant rules are the only reason someone gave you to replace it, that is a sales pitch, not a fact.
A2L refrigerant cannot be retrofitted into R-410A equipment. There is no conversion; it is a different system, designed and rated for a different refrigerant. So the refrigerant rules are a real reason a new system is different from the one it replaces — but they are not, by themselves, a reason to replace a system that is working.
When replacement is actually the right call
Replace when the system has actually failed — a failed compressor, a coil or line set leak that cannot be reached without opening walls or ceilings, a system that has needed repeated repairs across unrelated components, or a system that has never cooled the house properly and is at the end of its life anyway. Those are real reasons. The refrigerant itself is not.
We will tell you when a repair is the better call even though the replacement is the bigger job. That path starts on the AC repair page. When replacement is the right call, the AC installation and replacement page covers how we size and install a new system. For a single system that heats and cools, the heat pump installation and service page lays out that option.
What we will not do
We will not tell you a working R-410A system has to be replaced because of the rules, because it does not. We will not quote a price premium, a percentage, a tax credit, or a rebate figure on this page — the federal 25C credit expired on 31 December 2025, and the state and utility rebate amounts have to be verified against the program at the time. We will not name an equipment brand. We will tell you what is true and let you decide.
Availability
Someone picks up seven days a week, 7 AM to 10 PM — 9 AM on Thursdays. Most heating and cooling companies on Long Island close at 5. Call and we'll tell you honestly when we can be there.
Questions about the refrigerant change
Do I have to replace my R-410A air conditioner or heat pump?
No. R-410A remains available indefinitely for servicing existing systems. A working R-410A system does not have to be replaced because of the refrigerant rules. The rules ended the production of new R-410A equipment; they did not end the use or servicing of the equipment already installed.
What refrigerant does a new system use?
Every new central air system and heat pump installed today uses an A2L refrigerant — R-454B or R-32. Under the EPA AIM Act, manufacturers stopped producing R-410A residential condensing units and heat pumps on 1 January 2025, and any remaining pre-built R-410A split systems had to be installed and operational before 1 January 2026. That date has passed.
Can the new A2L refrigerant be put into my existing R-410A system?
No. A2L refrigerant cannot be retrofitted into R-410A equipment. There is no conversion; it is a different system, designed and rated for a different refrigerant. When the time comes to replace, the indoor coil and air handler and the outdoor unit are replaced together as a matched system.
Is R-410A being phased out the same way R-22 was?
The shape is similar but the timeline for existing equipment is not. R-22 production for new equipment ended and existing systems eventually had to be replaced because R-22 became scarce and expensive to recover. R-410A remains available indefinitely for servicing existing systems, so an R-410A system that is otherwise working does not face the same pressure R-22 systems did.
What is an A2L refrigerant, and is it safe in my house?
A2L is a refrigerant classification that means mildly flammable. R-454B and R-32 are A2L refrigerants. Equipment designed for A2L is built to the standards that classification requires, and it is installed to those standards. This is not a reason to avoid a new system; it is a reason the new system is a different design than the one it replaces.
Should I replace my R-410A system now before the refrigerant disappears?
Not because of the refrigerant. R-410A remains available for servicing existing systems. Replace when the system has actually failed — a failed compressor, a leak that cannot be reached without opening walls, or a system that has needed repeated repairs — not because of a sales pitch about the refrigerant rules. We will tell you when a repair is the better call.
Call and tell us what you have been told.
If someone told you your system has to be replaced because of the refrigerant, call and describe the system and what it is doing. We will tell you honestly whether that is true.
(631) 873-5844Thart@hartworxhvac.com
Fri–Wed 7 AM – 10 PM · Thu 9 AM – 10 PM
Refrigerant recovery and charging on a Suffolk County install
Real photo to be supplied
Rather send a message?
Tell us what you have and what you have been told about it.