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Specifications
Make: Rinnai
Model: Rinnai RX199
Energy Factor: 97%
Maximum Flow Rate: 9.0 GPM
Maximum Heating Capacity: 160,000 BTU
Energy Star Certified: Yes
Dimensions: 30.1″ H × 18.5″ W × 11.4″ D
Technical Information
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High-efficiency design for a reliable hot water supply
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Compact wall-mounted unit, saving space compared to traditional tanks
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Optimized for continuous hot water, even during high demand
Warranty
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Purchase Warranty: 5 Years on Parts + 15 Years on Heat Exchanger + 1 Year Labour Coverage
Rinnai RX199 High Efficiency Condensing Tankless Water Heater – Product Description
The Rinnai RX199 High Efficiency Condensing Tankless Water Heater is a powerful and energy-efficient hot water solution designed for large homes with high demand. Engineered to deliver continuous hot water on demand, the RX199 ensures reliable performance even when multiple fixtures are used at the same time. With advanced condensing technology and a compact wall-mounted design, this system provides superior efficiency, durability, and long-term savings.
With a high heating capacity, the Rinnai RX199 heats water only when needed, eliminating standby energy loss common with traditional tank systems. Its ENERGY STAR® certified efficiency helps reduce natural gas consumption, lower monthly utility bills, and minimize environmental impact—making it an excellent upgrade for modern, energy-conscious homes.
Key Features
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High-Efficiency Condensing Technology
Maximizes heat recovery for improved energy savings. -
High Heating Capacity
Designed to support multiple bathrooms and simultaneous hot water usage. -
On-Demand Hot Water Supply
Provides endless hot water without waiting or recovery time. -
ENERGY STAR® Certified Performance
Reduces operating costs and energy consumption. -
Compact Wall-Mounted Design
Saves valuable floor space and fits easily in utility areas. -
Advanced Digital Controls
Allows precise temperature adjustment and system monitoring. -
Durable, Long-Lasting Construction
Built for extended service life with routine maintenance.
Benefits
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Lower Energy Bills
Uses energy only when hot water is required. -
Ideal for Large Homes
Handles high-demand usage with consistent performance. -
Space-Saving Installation
Replaces bulky tank systems with a sleek design. -
Reliable Long-Term Operation
Engineered for durability and minimal maintenance. -
Environmentally Responsible Choice
Lower emissions and reduced energy waste.
Customer Reviews
15 reviews for Rinnai RX199 High Efficiency Condensing Tankless Water Heater
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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Fast, no-obligation quote — same-day callback guaranteed.
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






Jordan MacArthur –
Overall satisfied. Installation went smoothly, though the wait time was longer than expected.
Elena Petrova –
We’ve noticed better temperature control compared to our old system. So far, no complaints.
Ryan Kapoor –
Service was efficient and straightforward. No unnecessary add-ons pushed.
Monique Lefebvre –
Clean installation and no mess left behind. The RX199 has been stable so far.
Trevor Hammond –
Unit works as expected. Would’ve liked a bit more guidance on maintenance.
Ayesha Malik –
Hot water is reliable even during busy mornings. Took a couple days to get the appointment booked.
Patrick O’Sullivan –
Pricing was fair, though not the cheapest option. Installation team was respectful and on time.
Naomi Silver –
Switched from a tank system to the Rinnai RX199. Space-saving design is a big plus.
Lucas Martel –
Good performance so far. Instructions could have been explained a bit slower.
Danielle Porter –
Install took most of the day, but everything was tested before they left. Unit runs quietly.
Faisal Rahman –
Service was quick once scheduled. The RX199 handles two showers without trouble.
Rebecca Nolan –
Jimmy HVAC explained the options clearly and didn’t rush the install. Pricing was in line with other quotes.
Michael Chen –
Water pressure and temperature are consistent. There is a brief delay upstairs, but overall it works well.
Claire Dumont –
Had the Rinnai RX199 installed last month. Installation team was professional and kept things tidy.
Adam Kowalski –
Hot water is steady and quick. No issues so far.