R-410A commercial HVAC equipment already on site can still be serviced and repaired, but the refrigerant itself is being phased down under the AIM Act and its price has risen sharply since 2023, which means Michigan building owners with aging R-410A rooftop units and chillers face a decision about whether to maintain, retrofit, or replace on a timeline they cannot ignore. Samco Facilities Maintenance advises commercial owners and facility managers across Southeast Michigan on R-410A equipment strategy. Call (734) 838-6300 to review your equipment inventory and make a plan before prices climb further.
Why R-410A Gets More Expensive Every Quarter Now
R-410A is not banned yet. You can still buy it, and technicians with EPA 608 Universal certification can still service equipment containing it. What changed is the AIM Act production and import cap on hydrofluorocarbons, the class R-410A belongs to. Allowances are being reduced each year, which shrinks supply while the installed base across the country remains enormous.
The result is straightforward. Wholesale R-410A prices roughly doubled between 2023 and 2025, with spot prices peaking higher during summer cooling season. Every pound lost to a slow leak costs more to replace than it did two years ago. For building owners with equipment that runs low on charge regularly, the refrigerant cost is already a visible budget line.
For a property manager in Troy or a plant engineer in Warren, that means an R-410A unit with a leak history, a coil approaching end of reliable life, or a compressor one bad summer away from failure is now an equipment decision as well as a maintenance decision. The arithmetic changes when refrigerant costs more.
Four Paths Forward for a Michigan Commercial Building Owner
The R-410A phase down creates four options for building owners with existing equipment:
- Continue running and servicing R-410A equipment. Defensible for units under 10 years old with no leak history. You will pay more for refrigerant each year, but a well-maintained unit with intact coils has lower total ownership cost than replacement for several more years.
- Repair leaks and track refrigerant consumption per unit. Any unit adding more than 10 percent of system charge per year through leak repair is trending toward replacement economics. That data tells you which units have already made the decision, they just have not acknowledged it yet.
- Retrofit with an approved A2L alternative. R-454B and R-32 are approved for some R-410A equipment. Feasibility depends on the OEM, seal compatibility, and oil compatibility. Not every unit qualifies. Retrofit extends life without a full capital outlay.
- Replace with new A2L equipment now. New commercial HVAC equipment is being built for A2L refrigerants. Replacing aging units now captures long-term refrigerant savings while markets are stable and avoids a second transition in five years.
The Michigan Angle: Climate Loads and Retrofit Economics
Michigan’s heating-dominated climate changes the replacement economics calculus in a specific way. Commercial buildings in Livonia, Dearborn, and Detroit run their HVAC systems hard from October through April. Rooftop units that run heating mode for six months a year accumulate heat exchanger wear differently than Sunbelt equipment that primarily runs cooling. A Wayne County rooftop unit that is 12 years old has thousands more heating hours on the heat exchanger than a comparable unit in Atlanta.
That matters for retrofit decisions because heat exchanger condition determines whether a unit is worth retrofitting at all. A unit with a cracked heat exchanger or a heat exchanger showing significant carbonate buildup near the secondary surface is not a retrofit candidate. It is a replacement candidate. The refrigerant phase down is the financial argument. The equipment condition is the physical argument. In Michigan, both often point the same direction on older equipment.
On the positive side, Michigan’s heating load makes condensing equipment upgrades pay back faster than they do in the South. A new high-efficiency rooftop unit or condensing boiler in a Livonia commercial building operates in full condensing mode for a larger portion of the year than the same equipment in a warm climate. DTE commercial accounts and Consumers Energy commercial customers should also check the current rebate catalog before any replacement decision. Utility rebates for qualifying high-efficiency commercial HVAC replacement can reduce out-of-pocket replacement cost by 10 to 25 percent depending on equipment type and BTU rating.
A2L Readiness and What It Means for Your Next Install
A2L refrigerants, including R-454B and R-32, are the near-term R-410A successors in commercial equipment. They carry a mildly flammable classification, A2L rather than A1, which changes handling requirements and what safety rules apply to enclosed mechanical spaces. For most commercial rooftop units, A2L does not require major building modifications. Chillers and split systems in mechanical rooms require a ventilation and detection review under the Michigan Mechanical Code.
What it means for your next install is this: specify A2L equipment and confirm your contractor’s technicians are trained and certified to handle A2L refrigerants before you sign the proposal. NATE-certified technicians with EPA 608 Universal certification and current A2L handling training are the correct resource for this work. A technician carrying only older R-410A certifications without A2L training is operating behind the curve on equipment that will be standard within three years.
A building owner in Ann Arbor who replaces a 14-year-old R-410A rooftop unit today with an A2L unit is done with refrigerant transitions for the foreseeable future. One who defers the decision for two more years will face a smaller supply of R-410A, higher refrigerant prices, and the same equipment replacement cost plus two more years of operating a depreciating asset.
How Samco Advises Owners Through the Phase Down
Samco Facilities Maintenance has advised commercial building owners across Wayne, Oakland, Macomb, and Washtenaw counties on equipment strategy since 1997. Our technicians are EPA 608 Universal certified and NATE certified, and we hold a BBB A+ rating. We track R-410A consumption per unit for every account on a PM program, which gives owners the data they need to make replacement decisions based on actual refrigerant history rather than guesswork.
When we review an equipment inventory for a property manager in Southfield or a manufacturer in Livonia, MI, we score each R-410A unit on age, refrigerant history, heat exchanger condition, and current repair cost trajectory. That scorecard tells the owner which units can run another five years under standard PM, which units are approaching the replacement tipping point, and which units should be replaced now because the operating cost and repair cost of maintaining them exceeds replacement economics.
We also help owners work through available DTE and Consumers Energy rebate programs before they purchase replacement equipment. Missing an available rebate on a commercial HVAC replacement in Southeast Michigan is a real dollar cost, and it is avoidable. Call (734) 838-6300 to start an equipment review. Learn more about our commercial HVAC systems service, our commercial refrigeration service, and our preventive maintenance programs.
Frequently Asked Questions
What is the R-410A phase down and when does it take effect?
The AIM Act directed the EPA to reduce HFC production and imports by 85 percent over 15 years, starting in 2022. R-410A is one of the targeted refrigerants. Production allowances are being stepped down each year. R-410A is not banned and existing equipment can still be serviced, but available supply shrinks annually, which is why wholesale prices have risen steadily since 2023 and will continue to rise.
What are my options with existing R-410A commercial equipment?
You have four options: continue servicing with R-410A for units that are young and leak-free, repair leaks aggressively and track refrigerant consumption per unit, retrofit qualifying units to an approved A2L alternative refrigerant, or replace aging equipment with new A2L equipment now. The right mix depends on unit age, leak history, and whether the replacement economics already favor new equipment over continued repair costs.
What is A2L refrigerant and do I need A2L-compatible equipment now?
A2L is a refrigerant safety classification for mildly flammable refrigerants, including R-454B and R-32, which are the primary R-410A successors in commercial equipment. You do not need A2L equipment today unless you are replacing existing units. But any new commercial HVAC installation specified from 2025 forward should use A2L equipment, and the contractor performing the work should have certified A2L-trained technicians on the crew.
Is it cheaper to retrofit or replace my R-410A system?
Retrofit is cheaper in upfront cost for units where the manufacturer approves an A2L drop-in and the unit is mechanically sound. Replacement is better economics for units over 12 years old, units with a history of refrigerant loss, or units showing heat exchanger degradation. In Michigan’s heating-dominated climate, older R-410A units accumulate heat exchanger wear faster than national averages suggest, which moves more units into the replacement column than building owners in other climates would expect.
Ready to Plan Your R-410A Exit?
If you manage commercial buildings across Southeast Michigan and carry R-410A equipment in your inventory, now is the time to score your fleet and make a plan. Samco Facilities Maintenance will review your equipment list, pull refrigerant consumption history from your service records, and give you a written recommendation on each unit. We serve manufacturers, property managers, healthcare facilities, and multi-site operators across Wayne, Oakland, Macomb, and Washtenaw counties. Call (734) 838-6300 or visit our contact page to schedule an equipment review before refrigerant prices climb again.