5 star ratings

New HVAC Refrigerants 2025 in Canada: R410A to R32

borts hvac van

The R410A refrigerant 2025 phase-down is about to change how HVAC systems operate across Canada. Starting in 2025, new regulations will dramatically restrict the use of R410A refrigerant, which has been the standard in air conditioning and heat pump systems for over 15 years. These changes stem from Canada’s commitment to reduce hydrofluorocarbon (HFC) emissions as part of global climate change initiatives. 

For homeowners and businesses in Greater Sudbury with air conditioning systems, understanding these changes is crucial for making informed decisions about repairs, maintenance, and potential system replacements in the coming years.

Current R410A Refrigerant Usage in Canada

R410A refrigerant has dominated the Canadian HVAC industry since the early 2000s. It replaced R22 (Freon) as the refrigerant of choice due to R22’s ozone-depleting properties. Today, nearly every modern air conditioning system and heat pump in Greater Sudbury homes uses R410A.

This refrigerant has been popular because of its efficient cooling capabilities and relative safety compared to older alternatives. It operates at higher pressures than previous refrigerants, allowing for more compact and efficient HVAC equipment. Most air conditioning systems installed in Canadian homes within the last 15 years use R410A as their cooling agent.

According to industry data, approximately 80% of residential cooling systems in Ontario currently use R410A refrigerant. In Greater Sudbury specifically, where summer temperatures can reach uncomfortable levels, R410A systems have been essential for maintaining indoor comfort.

New Regulations Affecting Refrigerants in 2025

Starting January 1, 2025, Canada will implement significant restrictions on R410A refrigerant as part of the Kigali Amendment to the Montreal Protocol. This international agreement aims to reduce hydrofluorocarbon (HFC) use by 85% by 2036.

The new regulations will:

  • Prohibit the production of new HVAC equipment using R410A refrigerant
  • Gradually reduce the import and production quotas for R410A
  • Require HVAC manufacturers to transition to lower-GWP (Global Warming Potential) alternatives
  • Implement stricter regulations for handling, recovery, and disposal of R410A

These changes represent one of the most significant shifts in HVAC technology in decades. While the regulations don’t require homeowners to immediately replace their existing systems, they will affect how these systems are serviced and maintained going forward.

The Canadian government estimates these measures will prevent the equivalent of 79 million tons of carbon dioxide emissions by 2030. For perspective, that’s like taking about 22 million cars off the road for a year.

air-conditioning-technician-refrigerant-pipes-worker checking for leaks

Environmental Impact of Refrigerant Changes

While R410A doesn’t damage the ozone layer like its predecessor R22, it has a significant impact on global warming. R410A has a Global Warming Potential (GWP) of 2,088, meaning it traps 2,088 times more heat in the atmosphere than carbon dioxide over a 100-year period.

When R410A leaks from air conditioning systems—which happens gradually in nearly all systems—it contributes substantially to climate change. Even small leaks can have a major environmental impact due to this high GWP rating.

The new refrigerants that will replace R410A typically have GWP ratings below 750, with some as low as 1-3. This represents a dramatic improvement in environmental performance.

  • R410A: GWP of 2,088
  • R32: GWP of 675 (68% lower)
  • R454B: GWP of 466 (78% lower)
  • Natural refrigerants: GWP of 1-3 (nearly 100% lower)

By transitioning away from R410A, Canada expects to prevent millions of tons of CO2-equivalent emissions. For Greater Sudbury residents, this means your next air conditioning system will have a much smaller carbon footprint.

What These Changes Mean for Greater Sudbury Homeowners

If you live in Greater Sudbury and have an air conditioning system that uses R410A, you don’t need to panic or rush to replace your system immediately. The 2025 regulations affect new equipment production, not existing systems.

However, these changes will impact you in several important ways:

  1. Rising R410A costs: As production decreases, the price of R410A refrigerant will likely increase. This means recharging your system after a leak could become significantly more expensive.
  2. Service considerations: Your existing R410A system can continue to be serviced, but finding refrigerant may become more difficult and costly over time. Proper maintenance becomes even more important to prevent leaks.
  3. Replacement decisions: If your system is aging (10+ years old), you might want to consider replacing it with a newer, more environmentally friendly system before R410A becomes scarce and expensive.

For Greater Sudbury homeowners planning renovations or new construction projects, it makes sense to consider systems using next-generation refrigerants now rather than installing an R410A system that may become obsolete.

The extreme temperature fluctuations in Sudbury—from bitterly cold winters to increasingly warm summers—mean reliable climate control is essential. Planning for these refrigerant changes can help ensure your home remains comfortable year-round.

Alternative Refrigerants to R410A

Several alternative refrigerants are positioned to replace R410A in residential and commercial HVAC systems:

R32

R32 has already been widely adopted in many countries and offers:

  • Lower GWP (675 vs. 2,088)
  • Higher energy efficiency
  • Smaller refrigerant charge (meaning less refrigerant is needed)
  • Compatibility with some existing system components

However, R32 is mildly flammable, which requires some additional safety considerations.

INCREASING TOXICITY borts

R454B

This refrigerant blend is becoming increasingly popular for residential applications because it offers:

  • Very low GWP of 466
  • Performance characteristics similar to R410A
  • Minimal system redesign requirements
  • Good energy efficiency ratings

Natural Refrigerants

Some manufacturers are exploring natural refrigerants like:

  • Propane (R290) – extremely low GWP but highly flammable
  • CO2 (R744) – GWP of 1, but requires high operating pressures
  • Ammonia (R717) – excellent efficiency but toxic if leaked

Each alternative comes with its own set of advantages and challenges, and the HVAC industry is still determining which will become the new standard. Most major manufacturers are focusing on R32 and R454B for residential applications in the Canadian market.

Greater Sudbury’s climate, with its cold winters and warm summers, requires systems that can perform well across wide temperature ranges. Some newer refrigerants actually perform better than R410A in extreme conditions, potentially offering improved comfort.

Cost Implications of the Transition

The transition away from R410A refrigerant will have several financial implications for Greater Sudbury homeowners:

  1. Higher refrigerant costs: As R410A production decreases, prices will increase. If your current system develops a leak requiring a refrigerant recharge, you could face significantly higher service costs than in previous years.
  2. New equipment costs: Systems using alternative refrigerants may initially cost 5-10% more than comparable R410A systems. However, many of these systems offer improved energy efficiency that can offset the higher purchase price over time.
  3. Installation considerations: Some alternative refrigerants require different handling procedures, components, or safety measures. This could slightly increase installation costs for new systems.

The good news is that many of the new systems using alternative refrigerants are more energy efficient, which can lead to lower monthly utility bills. For example, systems using R32 refrigerant typically use 10-15% less electricity than comparable R410A systems.

For Greater Sudbury residents, where heating and cooling costs represent a significant portion of energy bills due to the region’s climate extremes, these efficiency improvements could result in substantial savings over the system’s lifetime.

Preparing for the R410A Refrigerant Phase-Down

To prepare for the coming changes, Greater Sudbury homeowners should consider these steps:

  1. Know your current system: Check if your air conditioner or heat pump uses R410A refrigerant. Most systems installed after 2010 do, but your equipment documentation or a service technician can confirm this.
  2. Assess system age and condition: If your R410A system is less than 8 years old and functioning well, continue maintaining it properly. If it’s older or experiencing issues, you might want to plan for replacement before the 2025 changes.
  3. Prioritize maintenance: Proper maintenance can prevent refrigerant leaks and extend system life. Schedule regular professional maintenance to keep your system running efficiently.
  4. Consider upgrading earlier: If you’re planning to replace your system in the next few years anyway, it might make financial sense to upgrade to a system with an alternative refrigerant before the 2025 deadline.
  5. Research new technologies: When the time comes for replacement, research systems using the newest refrigerants with lower environmental impact and better efficiency.

For Greater Sudbury residents looking to upgrade their cooling systems, choosing equipment designed for Canada’s climate extremes is particularly important. Look for systems rated for operation in low ambient temperatures, as some of the newer refrigerants actually perform better than R410A in colder conditions.

FAQ About R410A Refrigerant 2025 Changes

Will my current R410A system be illegal after 2025?

No. You can continue using your existing R410A system for as long as it functions properly. The restrictions apply to new equipment production, not existing installations.

Will I still be able to get R410A refrigerant for my system after 2025?

Yes, but it will become increasingly expensive and potentially harder to source as production decreases. Recycled R410A will still be available for servicing existing equipment.

How much more expensive will R410A become?

Industry experts predict price increases of 200-300% over the next five years as supply diminishes and demand continues for servicing existing systems.

Should I replace my working R410A system before 2025?

If your system is functioning properly and less than 10 years old, there’s no immediate need to replace it. However, if it’s older or experiencing problems, replacing it with a system using next-generation refrigerants might be a smart financial decision.

Are the new refrigerants better than R410A?

In terms of environmental impact, yes. Many also offer improved energy efficiency. Some may have specific advantages or disadvantages depending on your particular installation requirements.

Conclusion

The 2025 regulations affecting R410A refrigerant represent a significant change for the HVAC industry and for Greater Sudbury homeowners with air conditioning systems. While these changes are driven by environmental concerns, they will have practical implications for system costs, maintenance, and replacement decisions.

Being informed about these changes helps you make smarter decisions about your home’s cooling system. Whether you need to repair an existing system or are considering an upgrade, understanding the R410A refrigerant 2025 phase-down puts you in a better position to make cost-effective choices.

Borts HVAC is committed to helping Greater Sudbury residents navigate these changes with minimal disruption and maximum comfort. Our technicians are already trained in handling the next generation of refrigerants and can help you determine the best approach for your home’s cooling needs. Contact Borts HVAC today to schedule a consultation with our experts and ensure your home stays comfortable through these industry changes.

SCHEDULE A SERVICE

Picture of Eric Grenier

Eric Grenier

Eric Grenier, is the expert behind Borts HVAC. With deep knowledge in HVAC, plumbing & electrical, he delivers trusted solutions in Sudbury.