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Description
The A.O. Smith ATM-160X3 is a high-performance tankless water heater designed to deliver continuous hot water for residential and light commercial use. With a powerful flow rate of 10.5 GPM, this unit ensures a reliable hot water supply for multiple outlets at the same time, making it ideal for larger households and high-demand environments.
Key Features
Continuous Hot Water Supply
The tankless design heats water on demand, eliminating the need for a storage tank. You get uninterrupted hot water without waiting or running out.
High Flow Rate – 10.5 GPM
Supports simultaneous use of showers, sinks, and appliances without pressure or temperature drop.
Energy Efficient Operation
Consumes energy only when hot water is required, helping reduce overall energy usage and operating costs compared to traditional storage water heaters.
Compact and Space Saving Design
Wall-mounted unit that occupies minimal space, suitable for modern homes where space efficiency is important.
Advanced Temperature Control
Ensures stable and precise water temperature for a comfortable and safe user experience.
Durable Build Quality
Manufactured by A.O. Smith, known for reliable and long-lasting water heating solutions.
Multiple Safety Features
Includes built-in protections such as overheating control and automatic shut-off for safe operation.
Product Specifications
- Brand: A.O. Smith
- Model: ATM-160X3
- Type: Tankless / Instant Water Heater
- Flow Rate: 10.5 GPM
- Installation: Wall Mounted
- Application: Residential and Commercial
- Energy Efficiency: High
Suitable For
- Large homes with multiple bathrooms
- Apartments and villas
- Hotels, clinics, and commercial establishments
- Users looking for energy-efficient hot water solutions
Why Buy A.O. Smith ATM-160X3 Tankless Water Heater
This model is a practical choice for customers who need consistent hot water performance with lower energy consumption. Its high flow capacity, compact design, and dependable build make it suitable for both home and commercial installations.
Specification
| Attribute | Details |
|---|---|
| Make | A.O. Smith |
| Model | ATM-160X3 |
| Product Type | Tankless / Instant Water Heater |
| Maximum Flow Rate | 10.5 GPM |
| Heating Capacity | 160,000 BTU (Approx.) |
| Energy Efficiency | High Efficiency |
| Energy Star Certified | Yes |
| Installation Type | Wall Mounted |
| Dimensions | Compact Design (Space Saving) |
| Application | Residential & Light Commercial |
| Water Supply | Continuous Hot Water |
| Temperature Control | Advanced Digital Temperature Control |
| Safety Features | Overheat Protection, Auto Shut-Off |
| Suitable For | Multiple Bathrooms & Simultaneous Usage |
| Usage Areas | Homes, Apartments, Hotels, Clinics |
| Warranty | 5 Years Parts + 15 Years Heat Exchanger + 1 Year Labour |
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.

Transparent, Upfront Pricing
No hidden charges—just honest, clear pricing so you always know what to expect.
Licensed & Certified Technicians
TSSA-licensed experts ensure safe, reliable, and high-quality installations and repairs.
Free Installation Included
Enjoy hassle-free setup with free professional installation on every purchase.
Parts & Labour Warranty
Long-lasting protection with comprehensive parts coverage and an included labour warranty.
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✅ Trusted by 5200+ Happy Clients
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Service Area – 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.
Cities We Serve
Toronto
Mississauga
Brampton
Vaughan
Markham
Richmond Hill
Oakville
Milton
Pickering
Ajax
Whitby
Oshawa
London
Barrie
Hamilton
Kitchener
Full-Service HVAC Solutions Across the GTA
Our services include:
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
Each installation is completed by licensed technicians to ensure optimal performance, long-term reliability, and energy efficiency.
In addition to professional installation, we provide detailed system assessment and proper equipment sizing to match your property’s heating and cooling requirements. Correct system sizing is critical for maximizing energy efficiency, maintaining consistent indoor comfort, and preventing premature equipment wear. Our team evaluates factors such as square footage, insulation levels, airflow design, and overall system compatibility before recommending any HVAC solution.
We focus on delivering installations that meet manufacturer specifications and industry standards, ensuring warranty compliance and long-term operational stability. From new construction projects to replacement of aging HVAC systems, every installation is carried out with attention to airflow balance, duct integration, ventilation requirements, and energy performance optimization.
Homeowners and property managers rely on Jimmy HVAC for dependable service, clear communication, and technically sound installations that reduce operating costs while improving year-round comfort. Whether upgrading to a high-efficiency furnace, installing a modern heat pump system, or replacing an outdated boiler, our goal is to provide durable HVAC solutions designed for consistent performance and long-term value.









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