| Attribute | Details |
|---|---|
| Make | RunTru (by Trane) |
| Model | A4AC3042D1000A |
| Series | A4AC3 |
| Capacity | 3.5 Ton |
| Cooling Capacity | 42,000 BTU |
| Energy Efficiency | 13.4 SEER2 |
| Compressor Type | Scroll Compressor |
| Compressor Stage | Single Stage |
| Refrigerant Type | R-410A |
| Installation Type | Split / Outdoor Unit |
| Application | Residential |
| Operation | Continuous Cooling |
| Voltage | 208–230V, 1 Phase |
| Noise Level | Approx. 76 dB |
| Coil Type | All-Aluminum Coil |
| Build Quality | Pre-painted Steel Cabinet |
| Suitable For | Large Spaces |
| Usage Areas | Homes, Living Areas, Large Rooms |
| Warranty | 10 Years Parts (Standard, Registration Required) |
The RunTru A4AC3 3.5 Ton Single-Stage Air Conditioner is a powerful and cost-effective cooling solution designed for residential use. With a 3.5 ton capacity and 13.4 SEER2 efficiency, this unit delivers strong and consistent cooling performance, making it ideal for larger homes and high-demand cooling environments.
Engineered with reliable Trane-backed technology, this air conditioner is built for durability and long-term performance. It features a high-efficiency scroll compressor and all-aluminum coil construction, ensuring effective heat transfer and stable cooling output even during peak summer conditions.
The unit is designed with a compact footprint for flexible installation, while the pre-painted steel cabinet offers protection against corrosion and harsh weather conditions, ensuring long-lasting outdoor durability.
Its quiet operation enhances indoor comfort, making it suitable for residential spaces where low noise is important. Whether for large living areas or full-home cooling, the RunTru A4AC3 3.5 Ton AC provides dependable performance with efficient operation and durable construction.
Key Features
High Capacity Cooling – 3.5 Ton
Ideal for larger spaces, delivering strong and consistent cooling performance.
13.4 SEER2 Energy Efficiency
Designed to balance energy savings with reliable cooling output.
Single-Stage Scroll Compressor
Ensures efficient, stable, and long-lasting cooling performance.
All-Aluminum Coil Design
Improves heat transfer efficiency and provides corrosion resistance.
Compact and Space-Saving Design
Suitable for installations in limited spaces without compromising performance.
Durable Steel Cabinet
Pre-painted, weather-resistant construction for enhanced durability.
Quiet Operation
Engineered to operate with low noise for improved indoor comfort.
Why Buy RunTru A4AC3 3.5 Ton Air Conditioner
The RunTru A4AC3 3.5 Ton AC is a practical choice for homeowners who need powerful, affordable, and reliable cooling for large spaces. Its durable design, efficient performance, and trusted engineering make it a strong value option for residential cooling systems.
Customer Reviews
11 reviews for RunTru A4AC3 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.
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
- Boiler systems
- HVAC system upgrades & retrofits
- Complete Commercial HVAC Solutions
- Preventative maintenance & system inspections




Noah Campbell –
Quick install and no issues yet. Jimmy HVAC team knew what they were doing.
Charlotte Roy –
The AC works fine, but I expected it to be a bit quieter. Still, Jimmy HVAC provided good service and answered all my questions.
Emma Wilson –
Decent unit for the price. Jimmy HVAC gave a reasonable quote and didn’t push unnecessary upgrades.
Benjamin Fraser –
Had the RunTru A4AC3 3.5 Ton Single-Stage Air Conditioner installed last month. It’s reliable and keeps the house comfortable even during warmer days.
Olivia Desjardins –
Customer service from Jimmy HVAC stood out. The unit itself is good, no complaints so far.
Daniel MacDonald –
Installation took a bit longer than planned, but the team explained everything clearly. The AC works as expected.
Mia Lefebvre –
Happy with the RunTru A4AC3. It cools our space efficiently and the pricing from Jimmy HVAC was competitive.
Noah Patel –
The unit does its job well, but I wish it was a bit quieter at night. Overall, decent experience with Jimmy HVAC.
Ethan McLeod –
Good value for the price. The RunTru A4AC3 3.5 Ton unit keeps the house comfortable even during warmer days. No complaints so far.
Sophie Tremblay –
Installation team from Jimmy HVAC was polite and efficient. The AC works well, though it’s a bit louder than I expected.
Liam Thompson –
The RunTru A4AC3 cools my whole house evenly. Jimmy HVAC handled the install smoothly and showed up on time.