2026 HVAC Refrigerant Rules: Downloadable Guide for Property Managers

New HVAC rules are now in effect, and they’re already affecting property managers and their real estate investor clients. These rules, set by the EPA, focus on phasing out high-pollution refrigerants to protect the environment. 

This guide explains where things stand today—what’s changed since January 2025, what kicked in January 2026, and what property managers need to do right now to keep investors’ properties valuable and tenants happy.

What Are the 2026 HVAC Refrigerant Rules?

The EPA’s Technology Transitions Program, under the American Innovation and Manufacturing (AIM) Act, limits the use of hydrofluorocarbons (HFCs) with a Global Warming Potential (GWP) above 700. R-410A—the refrigerant in most residential and light commercial HVAC systems installed over the past two decades—has a GWP of approximately 2,088.

The rules work on two separate timelines. Conflating them causes real planning mistakes.

January 1, 2025: Manufacturing and Import Ban

New HVAC equipment using refrigerants with GWP above 700 can no longer be manufactured or imported. Inventory produced before this date remained available for sale and installation through the next deadline.

January 1, 2026: Installation Ban

New residential and light commercial split systems, including mini-splits and unitary systems, using GWP > 700 refrigerants can no longer be installed. The only exception: systems where all components were manufactured or imported before January 1, 2025.

January 1, 2027: Variable Refrigerant Flow (VRF) Systems 

Multi-zone VRF systems, common in larger properties, have their own separate installation deadline. If your portfolio includes VRF systems, confirm the applicable timeline with your HVAC contractor.

Source: EPA Technology Transitions HFC Restrictions by Sector, last updated November 24, 2025. For compliance purposes, refer to 40 CFR Part 84, Subpart B.

How It Affects Current HVAC Systems

• Repairs Get Tougher: You can still service and repair older R-410A systems, but the refrigerant is harder to source and costs more with each passing year as production is phased down.
• Proper Disposal: Old systems with banned refrigerants must be disposed of following EPA rules. Violations carry fines.
• Old Systems Cost More to Maintain: As R-410A prices rise, the economics of repairing older units shift. Full replacement often makes more financial sense than repeated repairs on aging equipment.
• No Partial Replacements: A2L equipment is not compatible with existing R-410A systems. If a component fails, the full system must be replaced. There is no partial replacement option.

Why Property Managers Should Care

Rising repair costs and longer equipment lead times create real risk for tenants if systems fail during peak cooling or heating season. Property managers who plan upgrades proactively, rather than responding to breakdowns, protect investors from both cost spikes and tenant issues.

How the Rules Affect Real Estate Investors

Higher Costs

New HVAC systems cost 20–40%+ more than pre-2025 pricing. That increase comes from two sources: A2L technology requires additional safety components (refrigerant leak detection sensors, spark-resistant wiring), adding roughly 10–15% to base equipment costs; and import tariffs introduced in April 2025 drove further increases of 6–10% across major manufacturers including Carrier, Lennox, and AAON. Any cost estimates built before mid-2025 need to be updated.

Repairing older R-410A systems also costs more. As EPA production quotas tighten, refrigerant prices have risen sharply from pre-2025 levels and will continue to do so.

Planning for Expenses

Investors with older HVAC systems have two options:

• Keep Repairing: Continue servicing R-410A systems, with higher refrigerant and parts costs each year.
• Replace: Invest in new A2L-compliant systems with lower energy use and fewer breakdowns.

Replacing the oldest or most problematic units first, spread over several years, reduces the budget impact and avoids reactive replacements at peak-season pricing.

Property Value and Appeal

• Older Systems: Properties with aging R-410A systems face rising maintenance costs. As tenants become more energy-conscious, inefficient systems can affect tenant retention.
• Newer Systems: A2L systems use less energy and lower utility costs, which matters to tenants and can strengthen a property’s market position.

What Property Managers Can Do

1. Talk to Investors Now
   • Explain the two deadlines: the 2025 manufacturing ban and the 2026 installation ban are both in effect.
   • Update cost projections. New system costs are 20–40%+ above pre-2025 baselines.
   • Flag VRF system timelines separately if relevant to their portfolio.
2. Audit HVAC Systems
   • Hire HVAC contractors to inspect the age and condition of every system across the portfolio.
   • Provide investors with clear reports identifying which units are candidates for near-term replacement.
3. Build a Replacement Schedule
   • Prioritize the oldest and most problematic units.
   • Spread replacements across budget cycles to reduce lump-sum cost.
   • Order equipment early — lead times are longer than pre-transition norms, especially heading into cooling season.
4. Check Incentives Carefully
   • The federal 25C energy efficiency tax credit expired December 31, 2025 and is no longer available for 2026 installations.
   • State-level rebate programs and utility incentives remain available in many areas but vary significantly by location. Check with your state energy office and utility provider.
   • Most programs have income restrictions and are designed for owner-occupants, not management companies. Confirm eligibility before building rebates into project budgets.
5. Vet Your HVAC Contractors
   • Standard EPA Section 608 certification covers refrigerant handling basics but is not sufficient for A2L system installation. A2L-specific training is now required by most manufacturers to maintain warranty coverage and by insurers for liability.
   • Before authorizing any new A2L installation, confirm the contractor holds A2L certification.

Get Ready: Next Steps for 2026

Start by contacting investors with an update—both deadlines have passed, repair costs are rising, and replacement costs are higher than earlier estimates. From there, schedule HVAC inspections now, before cooling season demand limits contractor availability. 

If replacements are likely, order equipment early. Lead times are longer than they were before 2025, and waiting for a breakdown means paying a premium. Before any new installation goes ahead, confirm the contractor holds A2L certification. 

Finally, check what state and utility incentive programs are available in each market where you operate—federal credits are gone, and what’s on offer varies significantly by location.

Wrap-Up

The 2025–2026 HVAC refrigerant transition brings real cost increases and new compliance requirements. Property managers who stay ahead of it—auditing systems, updating budgets, building replacement plans, and working with properly certified HVAC contractors—put their investors in a much stronger position than those who wait for systems to fail.

For compliance details, visit the EPA’s Technology Transitions program at epa.gov/climate-hfcs-reduction. For refrigerant handling rules, see epa.gov/section608.

Property managers who work with Lula have access to trusted, highly vetted HVAC professionals who are certified for A2L systems and current on the latest equipment and code requirements. Find out more about your options with Lula.