If your air conditioner isn’t keeping up with the summer heat, or your hydro bills are rising unexpectedly, it may be time to consider an AC replacement. Most systems lose efficiency after 12–15 years, and while some issues can be repaired, there comes a point when replacing the unit becomes the smarter long-term decision.


Signs It’s Time to Replace Your Air Conditioner

Aging systems don’t fail overnight — they decline gradually. You might notice longer cooling cycles, inconsistent temperatures between rooms, or a spike in energy usage. These symptoms usually mean your AC is working harder than it should to produce the same results.

If you’ve already had service calls this season and the issues keep returning, replacement may be the better investment. We break down this scenario further in our recent blog post about air conditioner repairs, which explains when a repair makes sense — and when it doesn’t.

Older systems that still use R-22 refrigerant are costly to service and no longer environmentally compliant, making replacement a smarter long-term choice. The Heating, Refrigeration and Air Conditioning Institute of Canada confirms that R-22 is being phased out in favour of more efficient, ozone-friendly alternatives like R-410A.


What to Expect During an AC Replacement

Replacing your air conditioner might sound overwhelming, but the process is straightforward with the right team. We start with a no-obligation, in-home consultation to assess your current setup and recommend a properly sized, high-efficiency system. Most installations are completed in just one day, and we handle everything from removal and installation to testing and cleanup.

If you’re concerned about the upfront cost, we offer flexible financing options to help make your upgrade more manageable. Ontario homeowners may also be eligible for rebates on energy-efficient upgrades like new air conditioners. Canada Energy Solution outlines current rebate programs that can help offset the cost of your AC replacement — making now a smart time to invest in comfort and efficiency.


Why Choose Lambton Heating & Cooling?

For more than 55 years, Lambton Heating & Cooling has helped families in Sarnia, Forest, Petrolia, and across Lambton County stay cool with professional, no-pressure service. We’re locally owned, proudly independent, and a trusted member of the ClimateCare co-op — known across Ontario for quality, reliability, and customer care.

Our team is here to make sure your AC replacement is done right the first time, with clean workmanship and expert recommendations you can feel good about.


Two Lambton Heating & Cooling technicians carrying a new AC replacement unit out of a service van in Sarnia

Get a Free Quote Today

If your air conditioner is breaking down, costing you more than it should, or simply not keeping you comfortable, Lambton Heating & Cooling is ready to help. An AC replacement may seem like a big step, but with the right team, it’s a smooth and worthwhile upgrade for your home.

📞 Call us at (519) 344-5521
📲 Text us at 226-210-3478
🔗 www.lambtonclimatecare.com

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