Finding the right propane space heater with thermostat means balancing heating power, safety features, and installation style. Below is a concise comparison table of five relevant models to help you compare core specs at a glance, followed by focused product sections and an in-depth buying guide.
| Product | BTU | Coverage | Thermostat | Mounting |
|---|---|---|---|---|
| ProCom ML100TPA-B (Infrared) | 10,000 | Up To 500 Sq. Ft. | Built-In | Wall / Floor |
| ProCom ML100TBA-B (Blue Flame) | 10,000 | Up To 500 Sq. Ft. | Built-In | Wall / Floor |
| Mr. Heater MHVFBF20LPT | 20,000 | Up To 700 Sq. Ft. | Built-In | Wall |
| ProCom 25,000 BTU Ventless Fireplace | 25,000 | Up To 1,100 Sq. Ft. | Built-In | Free Standing / Insert |
| Bluegrass Living B18TPIR-BB | 18,000 | Up To 950 Sq. Ft. | T-Stat Control | Free Standing |
ProCom ML100TPA-B Infrared Space Heater
This compact infrared propane heater provides up to 10,000 BTU and is rated for spaces up to 500 sq. ft. It offers a built-in thermostat with High/Medium/Low settings for basic temperature control. The design allows wall mounting with included hardware or placement on the floor using the supplied base feet. Infrared technology warms objects and occupants directly, which can feel more immediate in small rooms.
Key operational notes include a focus on residential use—bedroom, office, or living room—and a slim profile intended to fit discreetly. The thermostat control is integrated on the unit, which simplifies adjustments but limits remote or smart control options. This model emphasizes simplicity and compact installation flexibility.
ProCom ML100TBA-B Blue Flame Heater
The ProCom ML100TBA-B uses a blue flame ventless burner and delivers 10,000 BTU for areas up to 500 sq. ft. Like the infrared model, it includes a built-in thermostat with selectable heat levels. Blue flame heaters warm air directly, circulating heat through convection for a different heat feel than infrared.
Designed for indoor residential spaces, it includes wall mount hardware and base feet for floor placement. The unit is compact with a modern look and aims to be a straightforward supplemental heat source. The integrated thermostat cycles the burner to maintain set temperatures without external controls.
Mr. Heater MHVFBF20LPT Blue Flame Heater
The Mr. Heater MHVFBF20LPT is a higher-output 20,000 BTU blue flame vent-free heater rated for areas up to 700 sq. ft. It includes a built-in thermostat, battery-powered electronic ignition (battery included), and an Oxygen Depletion Sensor (ODS) for automatic shut-off in low-oxygen conditions.
This model is designed for reliable operation at elevations up to 4,500 ft. and aims to deliver consistent heat in larger rooms, garages, or additions. Fuel consumption is specified, offering a clear expectation of run time on standard LP cylinders. The combination of thermostat control and electronic ignition supports repeatable startups and temperature stability without external wiring.
ProCom 25,000 BTU Ventless Fireplace
This ventless free-standing propane fireplace produces 25,000 BTU and is rated to heat spaces up to 1,100 sq. ft. It is marketed as a space-saving option with decorative hand-painted logs and refractory ceramic construction designed for longevity. The unit includes thermostat-operated controls and variable heat settings to tailor warmth.
As a higher output option, it suits larger open-plan areas or main living spaces where both aesthetics and heat capacity are important. The thermostat control allows the fireplace to cycle to maintain a set temperature, offering combined function as a heater and a decorative focal point.
Bluegrass Living B18TPIR Infrared Heater
The Bluegrass Living B18TPIR is an infrared vent-free heater with blower assistance and a thermostat (T-Stat) for automatic cycling. Rated at 18,000 BTU, it lists coverage up to 950 sq. ft. and emphasizes high efficiency with a vent-free gas burner.
Infrared radiant heating combined with a blower aims to distribute warmed air and heated surfaces more evenly. The unit’s thermostat control cycles the burner to maintain room temperature, and the vent-free design removes the need for external ducting or a chimney. This model targets garages, large rooms, and multipurpose spaces requiring efficient supplemental heat.
Buying Guide: How To Choose A Propane Space Heater With Thermostat
Selecting the right propane heater requires reviewing several technical and practical factors. The following guide covers key considerations and comparison perspectives to help you match a heater to your space and usage.
Heating Capacity And Coverage
Match BTU output to room size rather than relying on model claims alone. As a general indicator:
- Up to 500 sq. ft. — Small infrared or blue flame units (around 10,000 BTU).
- 500–1,000 sq. ft. — Mid-range models (18,000–30,000 BTU).
- Over 1,000 sq. ft. — High-output fireplaces or multiple units.
Consider ceiling height, insulation quality, and open-plan layouts. Higher BTU does not always equal better comfort if heat distribution is poor.
Thermostat Type And Control
Built-in mechanical thermostats cycle the burner on and off to maintain temperature. Key variants:
- Simple dial thermostats — Easy, no wiring required, limited precision.
- Electronic thermostats — More precise, sometimes battery-powered ignition integration.
- Remote or programmable thermostats — Not common on basic vent-free units but useful for convenience and energy control.
Decide whether you need precise temperature holds or simple on/off cycling. For bedrooms or living rooms, finer control reduces temperature swings and improves comfort.
Heating Technology: Infrared Vs Blue Flame Vs Radiant
Understand heat delivery styles:
- Infrared/Radiant: Heats objects and people directly for immediate warmth. Effective in smaller areas and for directional heating.
- Blue Flame/Convection: Heats room air, circulating warmth through convection. Good for whole-room heating in enclosed spaces.
- Radiant With Blower: Combines radiant warmth with forced distribution to improve evenness across larger areas.
Choose based on where you spend time (stationary vs moving) and how even you want the temperature distribution to be.
Ventless Considerations And Indoor Air Quality
Most units here are vent-free. Benefits include higher efficiency and easier installation; drawbacks include exhaust released into the room. Important safety points:
- Oxygen Depletion Sensors (ODS): Required for many indoor propane heaters; shuts off unit if oxygen levels drop.
- Ensure adequate combustion air in tightly sealed homes to avoid accumulation of combustion byproducts.
- Follow local building codes and manufacturer guidelines concerning vent-free appliances and room sizes.
Installation And Mounting Options
Consider placement, gas connection, and mounting:
- Wall-mounted units: Save floor space, typically placed high to circulate heat efficiently.
- Free-standing / Fireplace units: Offer decorative appeal and often more BTU capacity.
- Check whether included hardware (base feet, wall brackets) matches your intended placement and whether professional installation is recommended.
Fuel Consumption And Cylinder Requirements
Fuel consumption rates give real-world runtime expectations. Manufacturers often list pounds per hour or runtime on a standard LP cylinder. Consider:
- Runtime at typical thermostat cycling vs continuous run at maximum BTU.
- Minimum cylinder size required for safe operation and expected refilling frequency.
Safety Features And Certifications
Look for the following safety elements and certifications:
- ODS (Oxygen Depletion Sensor) — automatic shut-off for low oxygen.
- Tip-over switches — for portable or floor models.
- UL or ANSI certification and compliance with local codes.
Verify that the unit’s safety features match your home’s requirements and intended placement.
Energy Efficiency And Operating Cost
Vent-free units are typically very efficient since combustion heat stays inside the room. Efficiency perspectives:
- Higher efficiency reduces wasted heat but does not always reduce fuel usage if you choose a much larger BTU than needed.
- Better thermostatic control reduces cycling losses and improves comfort while lowering fuel consumption over time.
Noise, Blower Options, And Comfort
Decide whether you need a blower to distribute heat. Blowers improve distribution in larger rooms but introduce noise and additional moving parts. Infrared units without blowers operate quietly and deliver direct warmth.
Aesthetics And Room Integration
Fireplace-style units add visual appeal, while slim wall-mounted or floor heaters blend into modern interiors. Consider whether the heater will be a focal point or a background utility.
Comparison Perspectives
Use multiple angles when comparing models:
- Performance vs Room Size: Match BTU and heating style to room layout and occupancy patterns.
- Control Needs: Decide between simple mechanical thermostats and more precise electronic control for better comfort.
- Installation Practicality: Consider whether a wall mount, free-standing fireplace, or floor unit fits your space and gas supply access.
- Safety & Venting Regulations: Cross-check local codes for vent-free appliance acceptance and ensure ODS presence for ventless units.
Maintenance And Long-Term Use
Routine maintenance extends service life and preserves safe operation:
- Keep burner and pilot areas clean of dust and debris.
- Inspect ODS and ignition components annually.
- Replace batteries for electronic ignition on schedule.
- Follow manufacturer-recommended service intervals for seals and components.
Use this guide to prioritize the features that matter most for your home: whether precise thermostat control, larger coverage, decorative appearance, or quiet infrared warmth. Compare technical specs, safety features, and installation needs to select a propane space heater with a thermostat that matches your room size, ventilation constraints, and comfort expectations.