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| Attribute | Details |
|---|---|
| Make | Trane |
| Series | 5TTR3 |
| Model | 5TTR3042A1000A |
| Capacity | 3.5 Ton |
| Cooling Capacity | 42,000 BTU |
| Product Type | Central Air Conditioner |
| Compressor Type | Climatuff® Compressor |
| Compressor Stage | Single Stage |
| Energy Efficiency | Up to 13.4 SEER2 |
| Refrigerant Type | R-454B |
| Installation Type | Split / Outdoor Unit |
| Application | Residential |
| Operation | Continuous Cooling |
| Voltage | 208–230V, 1 Phase |
| Noise Level | Approx. 71–73 dB |
| Coil Type | Spine Fin™ Coil |
| Build Quality | Weather-Resistant Galvanized Steel Cabinet |
| Suitable For | Large Spaces |
| Usage Areas | Homes, Large Living Areas, Open Floor Plans |
| Warranty | 10 Years Parts (Registration Required) |
The Trane 5TTR3 3.5 Ton Single-Stage Air Conditioner is a high-capacity and energy-efficient cooling solution designed for residential use. With a 3.5 ton capacity, this unit is ideal for large homes, delivering powerful and consistent cooling performance even during extreme summer conditions.
Built with Trane’s trusted engineering, this air conditioner features the high-performance Climatuff® compressor, ensuring stable operation and long-term durability. It is designed to maintain uniform airflow and consistent indoor temperatures, enhancing comfort across larger living spaces.
The 5TTR3 series uses advanced R-454B refrigerant, offering improved efficiency and reduced environmental impact compared to older refrigerants. It also incorporates Trane’s Spine Fin™ coil technology, which enhances heat transfer efficiency and long-term system reliability.
Designed for durability, the unit features a heavy-duty, weather-resistant galvanized steel cabinet that protects against corrosion and harsh outdoor conditions. Additionally, sound-reduction features allow the system to operate quietly, typically around 71–73 dB, making it suitable for residential environments.
Whether for large homes, open living spaces, or full-house cooling, the Trane 5TTR3 3.5 Ton AC offers dependable performance, efficient operation, and long-lasting build quality.
Key Features
Efficient Cooling – 3.5 Ton Capacity
Ideal for large-sized spaces, delivering powerful and reliable cooling.
Up to 13.4 SEER2 Efficiency
Designed to balance energy savings with strong cooling performance.
Climatuff® Compressor
Provides reliable, durable, and efficient cooling operation.
R-454B Refrigerant Technology
Improves efficiency and reduces environmental impact.
Spine Fin™ Coil Design
Enhances heat transfer and durability compared to traditional coils.
Durable Steel Cabinet
Weather-resistant construction for long-term outdoor protection.
Quiet Operation
Operates at approximately 71–73 dB for improved indoor comfort.
Why Buy Trane 5TTR3 3.5 Ton Air Conditioner
The Trane 5TTR3 3.5 Ton AC is a strong choice for homeowners needing higher cooling capacity for larger spaces. With proven Trane components, eco-friendly refrigerant, and robust construction, it ensures reliable performance and long-term value for residential cooling needs.
Customer Reviews
12 reviews for Trane 5TTR3 3.5 Ton Single-Stage Air Conditioner
Why Homeowners Trust Jimmy HVAC for Reliable Comfort
Reliable HVAC Solutions Built for Comfort, Efficiency, and Long-Term Peace of Mind.

Financing Options Available
Enjoy peace of mind with low monthly payments that make your costs easy to manage without compromising on quality.
Transparent, Upfront Pricing
No hidden charges—just honest, clear pricing so you always know exactly what to expect before work begins.
Free Installation Included
Enjoy hassle-free setup with free professional installation completed on every purchase.
Licensed & Certified Technicians
TSSA-licensed experts ensure safe, highly reliable, and precise system installations and diagnostic repairs.
Parts & Labour Warranty
Long-lasting protection with comprehensive parts coverage alongside our trusted, comprehensive labor guarantees.
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Professional HVAC Installation & Replacement
Jimmy HVAC provides professional installation, replacement, and system upgrades for residential and light commercial HVAC equipment throughout the Greater Toronto Area. Our certified technicians ensure every system is installed according to manufacturer specifications, Ontario building codes, and industry best practices.
Whether you are upgrading to a high-efficiency system, replacing ageing equipment, or installing a new HVAC solution, our team serves homeowners and property managers across the GTA with reliable service and transparent pricing.
Full-Service HVAC Solutions
- Furnace installation & replacement
- Air conditioner installation
- Heat pump systems
- Tankless water heaters
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- Complete Commercial HVAC Solutions
- Preventative maintenance & system inspections





Grace Wilson –
Quick installation and fair pricing. The Trane 5TTR3 air conditioner cools efficiently and hasn’t caused any issues so far.
Daniel Murphy –
Installed the Trane 5TTR3 last summer. It handled the heat pretty well. Jimmy HVAC technicians seemed experienced and didn’t rush the job.
Sophia Patel –
The unit works fine, but it’s slightly louder than I expected. Still, Jimmy HVAC provided good service and answered all my questions.
Benjamin Foster –
Cooling is strong, even upstairs which used to be a problem. Jimmy HVAC team did a proper installation. No complaints yet.
Charlotte Nguyen –
We chose Jimmy HVAC after comparing a few companies. Pricing was reasonable and the Trane 5TTR3 3.5 Ton air conditioner has been working great so far.
Lucas Stewart –
Good AC unit for a mid-range option. The Trane 5TTR3 isn’t fancy but works consistently. Installation was clean and professional.
Olivia Martin –
Very smooth experience. Jimmy HVAC explained everything clearly before installing the Trane 5TTR3. Cooling performance has been reliable.
Ethan Collins –
The Trane 5TTR3 is solid so far. House cools down quickly. Only minor issue was a delay in scheduling, but overall service from Jimmy HVAC was good.
Ava Richardson –
Installation team from Jimmy HVAC arrived on time and finished faster than expected. The Trane AC works well, especially during hot afternoons.
Noah Bennett –
Decent unit for the price. Not the quietest, but it gets the job done. Jimmy HVAC pricing was fair compared to other quotes I got.
Emily Carter –
Really happy with the Trane 5TTR3 3.5 Ton AC. It cools our whole house evenly. Jimmy HVAC handled everything smoothly from booking to installation.
Liam Thompson –
Got the Trane 5TTR3 installed by Jimmy HVAC last month. Cooling is consistent and no issues so far. Install team was polite and quick.