Posted: July 28, 2025
Canada’s hot summers are demanding, and especially tough on transport refrigeration units (TRUs). If you’re in the temperature control business, you already know how critical it is to keep your fleet’s reefer units performing well. Reefer breakdown is critical and could lead to spoiled cargo, lost contracts, and a damaged reputation. But when is it time to stop repairing and start thinking about replacement?
At Thermo King Eastern Canada, we understand that whether you’re hauling produce, pharmaceuticals, or frozen foods, you rely on high-performing refrigeration equipment that’s reliable, energy-efficient, and ready for anything. With rising temperatures and longer heatwaves becoming the norm, it’s more important than ever to know when your TRU is reaching the end of its road. This blog identifies when it may be a good time to consider replacing your refrigeration unit.
Your Unit is More Than 7–10 Years Old
Just like a long-haul truck, a reefer unit has a lifespan. Most units are built to last around 7 to 10 years depending on usage and environmental conditions. After that, performance can decline and parts may become harder—or more expensive—to source. Older units typically lack the energy efficiency and smart monitoring features of today’s models. If your reefer unit is approaching or past the 7–10 year mark, it may be costing you more than it’s worth to operate. New Thermo King models are built with sustainability, fuel efficiency, and connectivity in mind.
Frequent Breakdowns And Inconsistent Temperatures
Is your reefer unit not holding temperature like it used to, or are you dealing with frequent service calls? While this can be frustrating, it’s also a warning sign. During a string of 30°C+ days, we see a sharp uptick in temperature control issues. Excessive heat puts serious strain on older units, often revealing weak compressors, low or leaking refrigerant levels, or outdated and worn electrical systems. If your reefer unit can’t maintain consistent temperature—even after service—it’s time to explore replacement options.
Repair Costs Are Adding Up Faster
Repairs are part of any transport fleet operation. Scheduled routine inspections with a qualified technician can identify and correct potential issues before the hot summer months. But when those costs start to rival the price of a new unit, it’s time to think about replacing your equipment. A general rule of thumb: if annual reefer repairs cost more than 50% of the value of a new unit, replacement is likely the smarter choice. And that’s not just about the cost—it’s also about uptime, predictability, and peace of mind.
Usage and Environmental Conditions
Daily usage and environmental factors significantly affect the lifespan and performance of any transport refrigeration unit. Overstocking the cargo area, frequent door openings, equipment start and stops, and improper temperature settings can lead to added wear and reduced efficiency. Reefer units that run in tough environments—like coastal regions, dusty job sites, or high-humidity areas—can also wear down faster. Salt air, airborne debris, and industrial pollutants can all put added strain on the refrigeration system, leading to premature breakdowns if not monitored closely. Replacing an underperforming unit not only protects your cargo but your business relationships and brand reputation.
Outdated Technology and Poor Fuel Efficiency
Today’s transport refrigeration units are more advanced than ever. Thermo King’s latest models include features like:
- Telematics and real-time monitoring
- Smart diagnostics and predictive alerts
- Better fuel economy
- Quieter operation
- Reduced emissions
If your current unit doesn’t offer these features, you’re missing out on operational savings and enhanced cargo protection—especially during long hot stretches when loads are most vulnerable. Smart technology can help you stay ahead of breakdowns—it’s becoming an industry standard.
Summer Heatwaves: The Ultimate Stress Test
Record-setting heat across much of Canada over the last few summers have pushed reefer units to their limits. If your equipment was already on the fence, extreme weather can tip it over the edge. Think of a heatwave as a stress test—if your reefer unit struggles now, it likely won’t survive another season. And waiting until peak season to make a switch can compromise your operation.
Let Thermo King Eastern Canada Help You Plan Ahead
Regular monitoring and maintenance can extend the life of your refrigeration unit. Knowing when to replace your unit can save you from costly breakdowns and ensure that your perishable goods remain safe during transit. Our expert team can assess your current equipment, review your service history, and help you decide if it’s time to upgrade. We’ll work with you to find the best-fit solution—one that minimizes downtime, boosts efficiency, and keeps your cargo safe no matter the temperature outside.
With our extensive genuine parts inventory and factory-trained technicians across Ontario and Eastern Canada, you always have the best reefer service and support. Don’t let the heat catch you off guard. Contact your local Thermo King Eastern Canada branch today to schedule an equipment evaluation or explore our latest transport refrigeration models.