Discover propane-powered heaters that blend robust performance with modern WiFi control. This guide highlights five top options designed for fast hot water or space heating, with smart features that let you monitor and adjust settings from your phone. Whether you’re upgrading an outdoor setup or optimizing a whole-house system, these units balance efficiency, reliability, and remote convenience.
| Product | Brand | Key Benefit | WiFi / App | Notes |
|---|---|---|---|---|
| NEW Rinnai RX160iN Condensing Tankless | Rinnai | Up to 9 GPM, indoor/outdoor versatility | Controlr module compatible (not included) | Propane or natural gas; Versa Vent |
| APUS Tankless Water Heater Propane, 140,000 BTU | APUS | 1-second instant hot water, 6.8 GPM | Smart Wi‑Fi App Control | Zero Cold Water Technology |
| APUS 190,000 BTU Outdoor Tankless Water Heater | APUS | 8.1 GPM, supports multiple outlets | WiFi & Remote Control | Outdoor-ready, high efficiency |
| MIZUDO Tankless Water Heater Propane | MIZUDO | Indoor/Outdoor convertible, up to 5.1 GPM | Smart WiFi & App Control | CSA Certified, multi-fixture efficiency |
| NEW Rinnai RXP199iN Condensing Tankless | Rinnai | Up to 11.1 GPM, indoor/outdoor | Controlr module compatible (not included) | Smart Sense control, high efficiency |
NEW Rinnai RX160iN Condensing Tankless Water Heater
Rinnai’s RX160iN offers a compact design that fits indoors or outdoors using Versa Vent, and runs on propane or natural gas thanks to Smart Sense control. The unit delivers up to 9 GPM, supporting multiple fixtures simultaneously. Its modern interface supports easy operation, with a Quick Flush feature for maintenance. While the WiFi control is available via the Controlr module (sold separately), this model emphasizes energy efficiency with a high UEF rating of .97. Outdoor installations require the RX-OVC vent cap for proper venting. Suitable for households seeking flexible placement and reliable, on-demand hot water.
APUS Tankless Water Heater Propane, 140,000 BTU
APUS delivers instant hot water with a 140,000 BTU burner and an integrated heat exchanger designed for rapid response. The unit includes exclusive single-circulation technology to minimize cold-water delay and features a 24/7 ECO smart cycle that aims to cut energy use by about 40% compared with traditional tank heaters. A built-in booster pump can raise flow by up to 130%, yielding a maximum of 6.8 GPM—adequate for two showers and two sinks at once. The propane system is compatible with app-based control for remote adjustments, temperature monitoring, and scheduling, enabling convenient management of hot water across the home.
APUS 190,000 BTU Outdoor Tankless Water Heater
This outdoor propane tankless water heater from APUS is built for central home warming with high-efficiency performance. It supplies up to 8.1 GPM and supports multiple outlets simultaneously, maintaining stable temperatures with intelligent temperature control. The heater’s advanced heat exchanger uses 100% oxygen-free copper and advanced combustion technology to reduce energy use by around 20% versus conventional models. WiFi connectivity enables remote control and monitoring, making it easier to adjust settings from anywhere while ensuring reliability in outdoor environments.
MIZUDO Tankless Water Heater Propane
Mizudo offers flexible indoor/outdoor installations with conversion kits for different setups. The tankless design uses advanced water flow monitoring and gas modulation to keep output stable, delivering consistent water temperature within the narrow margin of 1°F even during multi-fixture use. The device supports smart WiFi and app control, enabling remote temperature adjustments, energy monitoring, and maintenance notifications. CSA certification provides assurance for family homes seeking reliable performance and remote accessibility in a single compact system.
NEW Rinnai RXP199iN Condensing Tankless
The Rinnai RXP199iN combines high-capacity performance with a portable-like footprint suitable for indoor or outdoor installation. It can deliver up to 11.1 GPM across multiple fixtures and uses Smart Sense control to optimize efficiency. The compact design is paired with a Quick Flush feature for maintenance and a high energy efficiency factor of .98 UEF. Like other Rinnai models, it supports WiFi-enabled monitoring and control via a Controlr module (sold separately). This model suits homes needing substantial hot water with flexible placement and robust efficiency.
Buying Guide: Key Considerations for Wifi Propane Heaters
- Water heating vs. space heating: Decide whether you need on-demand hot water or space heating. Tankless water heaters deliver continuous hot water and can do so more efficiently than traditional tanks, while propane space heaters focus on warming rooms or garages and may offer thermostat control.
- WiFi and remote control: Look for models with dedicated mobile apps or compatible smart controllers. Check whether WiFi control is included or requires an optional module. Response time, ease of setup, and compatibility with home assistants are important.
- Installation options: Indoor vs. outdoor installation affects venting, clearances, and weather considerations. Some models offer Versa Vent or outdoor venting capabilities; ensure venting requirements align with your space.
- Flow and capacity: For tankless water heaters, GPM rating and simultaneous fixture support matter. For space heaters, BTU output and room size coverage determine effectiveness in workshops or garages.
- Fuel compatibility: Ensure the unit supports propane or dual-fuel operation (propane and natural gas) as needed. Switching fuels can impact installation and venting requirements.
- Energy efficiency: Look for high UEF ratings and technologies like quick flush, staged combustion, or oxygen-free copper exchangers, which contribute to lower operating costs over time.
- Maintenance and durability: Features such as automatic flush, corrosion resistance, and robust materials extend service life. Consider access to service networks when maintenance is needed.
- Safety considerations: Verify proper venting, gas type compatibility, and child-safety or thermostat features to prevent accidental scalding or gas leaks.
- Cost of ownership: Initial installation costs are important, but also consider ongoing energy consumption, maintenance, and potential remote-control subscription requirements if applicable.
These options illustrate a spectrum of wifi-enabled propane heating solutions—ranging from compact, high-efficiency tankless water heaters to outdoor units designed for whole-home hot water delivery. Each model balances remote access with reliable performance, making it possible to manage comfort from anywhere while optimizing energy use.