The right combination of a propane heater and a reliable tank monitor keeps indoor and outdoor spaces warm while preventing unexpected fuel shortages. The table below summarizes five top options—four heaters across common types and one dedicated tank monitor—so you can compare core specs at a glance.
Product | Type | Key Spec | Coverage / Note |
---|---|---|---|
Rinnai FC510P Ventless Propane Heater | Wall Ventless | Programmable Thermostat, Safety Sensors | Small to compact rooms |
Mr. Heater Portable Buddy MH9BX | Portable Radiant | 4,000–9,000 BTU, Piezo Igniter | Up to ~225 sq. ft. |
Mr. Heater 4000–18000 BTU Portable LP | Portable Propane Heater | 3 Heat Settings, Dual Tank Ready | Up to ~450 sq. ft. |
Dyna-Glo IR30PMDG-1 Infrared Vent Free | Infrared Wall Heater | 6,000–30,000 BTU, Infrared | Up to ~1,000 sq. ft. (variable) |
MyPropane Smart Propane Tank Monitor | Tank Monitor | 4G LTE Cellular, Solar Charging | No Recurring Fees for included cellular |
Rinnai FC510P Ventless Propane Heater

The Rinnai FC510P is a ventless wall heater designed for compact spaces and fixed installation. It features a programmable thermostat with digital adaptive control that adjusts output to maintain set temperatures and includes self-diagnostics for troubleshooting.
Safety systems include a flame failure device, overheat switch, oxygen depletion sensor (ODS), and a tilt switch that will disable gas/power if conditions become unsafe. The design uses a warm air outlet and bottom front louvers to distribute heat across a room.
Useful where a permanently installed indoor heating solution is preferred and where ventless operation is acceptable under local codes. The unit’s controls and safety features are listed as part of the product specification.
Mr. Heater Portable Buddy MH9BX

The Mr. Heater Portable Buddy provides radiant infrared heat with adjustable settings from 4,000 to 9,000 BTU and is intended for spaces up to about 225 square feet. Infrared radiant heat warms objects and people directly rather than relying solely on air temperature.
Key features include an improved tip-over safety switch designed to engage if the unit is shaken or tipped, and a durable Piezo igniter for reliable match-free startup. Its compact size and built-in safety enhancements make it common for campers, workshops, and job sites.
As a portable radiant heater, it’s well-suited for point-source heating where direct warmth is needed quickly. The product listing highlights reliable ignition and an emphasis on upgraded tip-over protection.
Mr. Heater 4000–18000 BTU Portable LP Unit

This model offers three heat levels—4,000, 9,000, and 18,000 BTU—making it adaptable for a range of spaces up to roughly 450 square feet. The unit supports connection to larger propane tanks with an optional hose and filter, accommodating extended runtime.
Operation uses a single control start knob with piezo sparking and includes an automatic safety shutoff for tip-over events. The listing notes that it can be used for both indoor and outdoor applications and that a dual tank connection option is available for greater fuel capacity.
The heater is designed for versatility where variable heat output and portability are needed, with the product features emphasizing ease of use and safety shutoff mechanisms.
Dyna-Glo IR30PMDG-1 30,000 BTU Infrared Heater

The Dyna-Glo IR30PMDG-1 is a liquid propane infrared vent-free wall heater with a variable range of 6,000 to 30,000 BTU, intended to radiate heat to objects first—similar to how the sun warms surfaces. Variable output allows coverage for larger spaces listed up to approximately 1,000 square feet depending on conditions.
The product listing indicates it is liquid propane ready and emphasizes infrared technology as its heating method. As a vent-free device, local code and ventilation requirements must be considered before installation.
Infrared devices transfer heat differently than convection heaters and are typically efficient at warming people and objects in the heater’s direct path. The product’s variable BTU range is a key specification for sizing relative to room volume.
MyPropane Smart Propane Tank Monitor

The MyPropane unit is a dedicated propane tank monitor with 4G LTE cellular connectivity) and solar charging. The product emphasizes that all cellular service is included with no recurring fees for the life of the product (stated as 10 years in the listing).
It operates without requiring Wi‑Fi or Bluetooth, sending tank-level data via cellular networks and providing configurable alerts and notifications through an app when preset tank levels are reached. The listing highlights coverage across the US and Canada and claims pre-installed cellular service.
As a monitoring device, it aims to eliminate guesswork about fuel remaining and can be used with a range of heaters that draw from portable tanks or fixed propane supplies, assuming physical mounting and sensor positioning are compatible with the tank type.
Buying Guide: How To Choose A Propane Heater And Tank Monitor
Selecting the right combination of a propane heater and a tank monitor depends on use case, space, installation requirements, and safety priorities. This guide covers the most relevant factors for buyers comparing options across portable, vent-free, vented, and monitoring products.
1. Heater Type And Heat Delivery
- Radiant / Infrared: Heats objects and people directly; effective for spot heating and outdoor or semi-enclosed spaces. Examples: Mr. Heater Portable Buddy, Dyna-Glo infrared models.
- Convection / Ventless Wall Heaters: Heat air within a room; suitable for whole-room warming in enclosed spaces but require attention to ventilation and local codes. Example: Rinnai FC510P.
- Direct Vent / Sealed Combustion: Draws combustion air from outside and exhausts to the outside; preferred where indoor air quality is a concern. Look for sealed combustion or direct vent units like some Comfort Glow models (not in the top five list).
- Portable Multi-Setting Units: Offer adjustable BTU ranges and portability for workshops, garages, and outdoor areas. Example: Mr. Heater 4000–18000 model.
2. BTU Output And Room Sizing
Match heater BTU output to the volume you intend to heat. A simple starting estimate is 20–30 BTU per square foot for typical indoor applications; colder climates or poorly insulated spaces may require more.
Examples from selected listings: 4,000–9,000 BTU units are often cited for ~225 sq. ft., while 18,000–30,000 BTU ranges are cited for larger or more open spaces. Use the product’s stated coverage as a baseline and adjust for insulation, ceiling height, and local conditions.
3. Safety Features To Prioritize
- Oxygen Depletion Sensor (ODS): Shuts the unit off if oxygen levels fall below safe thresholds—important for ventless units.
- Tip-Over Switch: Critical for portable heaters to stop gas flow if the unit is knocked over.
- Flame Failure / Overheat Shutoff: Prevents gas flow if the flame is extinguished or the unit overheats.
- Sealed Combustion / Direct Venting: Preferred when indoor air quality and CO risks are concerns.
4. Propane Supply, Regulators, And Compatibility
Consider how a heater connects to propane: small portable heaters often use 20 lb tanks, while larger or dual-tank systems may use 40 lb tanks or 40+ lb cylinders. Ensure regulator compatibility and note if a heater supports dual-tank connection or larger tanks with additional hoses.
Key regulator features include dual-stage pressure regulation for consistent output and appropriate outlet pressure (measured in inches WC). Product listings often specify required regulator types and max BTU handling.
5. Tank Monitoring Options And Connectivity
- Mechanical Gauges: Simple indicators for tank pressure or level but can be less accurate in varying temperatures.
- Smart Tank Monitors: Use weight or ultrasonic sensing and deliver alerts via cellular or Wi‑Fi. Compare cellular connectivity (works without local Wi‑Fi) vs Wi‑Fi-based models.
- No Recurring Fees: Some cellular monitors include lifetime or multi-year service in the purchase price; confirm terms and coverage area.
- Battery/Solar Options: Solar-charged monitors reduce maintenance; check battery life and power fallback.
6. Installation, Maintenance, And Local Codes
Wall-mounted or ventless units may require professional installation and must comply with local building and fuel-gas codes. Vent-free heaters can be restricted or prohibited in some jurisdictions or specific rooms such as sleeping areas.
Maintain devices per manufacturer guidance: inspect hoses, regulators, and monitor sensors regularly. For monitors, validate cellular reception and app notification settings before relying on them for critical alerts.
7. Efficiency, Fuel Consumption, And Runtime Estimation
Calculate approximate runtime by dividing available tank energy by heater BTU draw. For example, a standard 20 lb propane tank contains roughly 430,000 BTU of usable energy. An 8,000 BTU heater used continuously would, in theory, run for about 53 hours (430,000 ÷ 8,000 = 53.75), though real-world factors affect this.
Use a tank monitor to track remaining fuel and estimate runtime based on current BTU settings and usage patterns.
8. Comparative Perspectives
- Portability vs Permanence: Portable heaters offer flexibility and no permanent installation. Wall-mounted or direct-vent heaters provide consistent whole-room heating but are fixed.
- Infrared vs Convection Efficiency: Infrared heaters can feel warmer at lower ambient air temperatures because they heat objects directly. Convection heaters distribute heat into the air for more uniform whole-room warmth.
- Monitoring Strategy: For remote sites or seasonal properties, cellular tank monitors with alerts and no recurring fees can provide peace of mind without local Wi‑Fi.
- Safety vs Output: Higher-BTU vent-free units may deliver more heat but require careful attention to ventilation and ODS. Sealed combustion units trade some installation complexity for improved indoor air safety.
9. Certification And Warranty Considerations
Check for CSA, UL, or other relevant certifications that indicate third-party safety testing. Review warranty terms for both heaters and monitors and verify support channels for activation/installation of monitored services.
10. Practical Tips For Matching Heater And Monitor
- Confirm the monitor type suits your tank (weight, ultrasonic, or pressure-sensing) and the heater’s tank connection method.
- Use a monitor that supports alerts for low fuel thresholds you set based on your estimated usage and refill logistics.
- For installations using permanent tanks or multiple heaters, choose regulators rated for the combined BTU load and consider a monitor that can scale with larger tanks.
- Install carbon monoxide detectors and follow ventilation recommendations for ventless or indoor-fired units.
These considerations should help match a heating solution to fuel monitoring that fits intended use, safety obligations, and convenience preferences. Pair the right heater type with an appropriate tank monitor to balance warmth, runtime visibility, and risk management.