Finding The Right Gas Heater For Your Home requires weighing capacity, installation, and safety features. The table below summarizes five relevant gas heaters designed for residential spaces, comparing type, maximum BTU, estimated coverage, and control style to help you narrow options quickly.
Product | Type | Max BTU | Coverage | Control |
---|---|---|---|---|
ProCom MN300TBA-B | Blue Flame Ventless | 30,000 | Up To 1,400 Sq. Ft. | Thermostat |
ProCom MN300TPA-B | Infrared Ventless | 30,000 | Up To 1,400 Sq. Ft. | Thermostat |
ProCom MN300HBA-B | Blue Flame Ventless (Manual) | 30,000 | Up To 1,400 Sq. Ft. | Manual 3-Setting |
Dyna-Glo IR30NMDG-1 | Infrared Wall Heater | 30,000 | Up To 1,000 Sq. Ft. | Fixed Output |
Mr. Heater Big Maxx MHU80NG | Unit Heater (Vent/Direct) | 80,000 | Up To 2,000 Sq. Ft. | Hardwired/Accessory Thermostat |
ProCom 30,000 BTU Thermostat Heater

This ProCom MN300TBA-B is a compact Blue Flame Ventless heater designed for residential rooms. The unit produces a maximum 30,000 BTU using natural gas and lists heating coverage up to 1,400 sq. ft.
Key features include a built-in thermostat control with high/medium/low settings, wall mount and base feet for placement flexibility, and a slim profile for room integration. The product listing emphasizes suitability for bedrooms, living rooms, and offices.
Operational details from the listing: natural gas only, thermostat control for temperature regulation, and a design intended for whole-room convective heating. Buyers should verify local codes for ventless appliance installation.
ProCom 30,000 BTU Infrared Heater

The ProCom MN300TPA-B is a ventless infrared space heater that lists 30,000 BTU output and a rated service area up to 1,400 sq. ft. Infrared models heat surfaces and occupants directly, rather than only warming room air.
Included features: thermostat control with high/medium/low, wall mounting hardware and base feet, and a slim modern profile. The listing positions the unit for residential rooms where directed radiant warmth may be desired.
From the product description: designed for use with natural gas, intended to offer a “greater heat flow” feel, and suitable where a radiant-style heater is preferred over convective systems.
ProCom 30,000 BTU Manual Heater

The ProCom MN300HBA-B is a manual-control blue flame ventless heater using natural gas for up to 30,000 BTU. The listing states it can heat up to 1,400 sq. ft. without requiring electricity.
Notable features: push-button piezo ignition, three heat settings (low/medium/high), and an Oxygen Depletion Sensor (ODS) with automatic shut-off. The no-electricity requirement can be useful for power-outage heating.
The product emphasizes manual operation and reliability for small-to-medium spaces. Installation options include floor placement with included base feet or wall mounting where permitted by local regulations.
Dyna-Glo 30,000 BTU Infrared Wall Heater

The Dyna-Glo IR30NMDG-1 is an infrared wall heater designed to radiate heat to objects and people rather than primarily heating air. The listing specifies up to 30,000 BTU and an approximate coverage of 1,000 sq. ft.
Infrared technology generates heat that warms surfaces first; this can deliver a feeling of quicker warmth in a targeted zone. The product description indicates it is natural gas ready and emphasizes radiant heating performance.
Installation as a wall-mounted unit positions the heater for focused heat delivery in living areas, garages, or workshops. Buyers should confirm clearances and local codes for infrared wall heaters.
Mr. Heater 80,000 BTU Big Maxx Unit Heater

The Mr. Heater Big Maxx MHU80NG is an 80,000 BTU unit heater listed for coverage up to 2,000 sq. ft. It is marketed for natural gas use and intended for larger spaces, garages, workshops, and utility areas.
Key listing details include two angle brackets for mounting, a liquid propane conversion kit included (though sold as natural gas use in listing), and required venting categories noted for installation. The unit lists a 120 V electrical connection for blower/amperage specifications.
The product listing highlights large-area performance and typical industrial/residential utility space use. Installation needs and minimum clearances are important considerations based on the manufacturer’s specifications.
Buying Guide
Heater Type And Heat Delivery
Blue Flame (Ventless) Heaters warm the air via convection and can distribute heat through the room. These models work well for whole-room warmth and are common in living spaces when ventless operation is permitted.
Infrared (Radiant) Heaters heat surfaces and people directly. Infrared models are effective for targeted or zone heating, quick perceived warmth, and areas where direct radiant heat is preferred over air circulation.
Unit Heaters (High BTU) such as the Mr. Heater unit are designed for larger, often semi-conditioned spaces. These typically require more clearance, possible venting, and sometimes electrical power for fans or controls.
BTU Rating And Room Size
BTU output is the primary indicator of raw heating capacity. Use room square footage, ceiling height, insulation quality, and climate to estimate needed BTU. Manufacturer coverage estimates provide a general guideline but verify with a heat-loss calculation for accuracy.
Smaller rooms or well-insulated spaces may be satisfied with 10,000–30,000 BTU heaters. Larger spaces, garages, or workshops often require 50,000–80,000 BTU or more depending on conditions.
Controls And Operation
Thermostat Control enables set-temperature operation and can improve comfort and efficiency by cycling heat according to demand.
Manual Controls provide basic multi-level settings and may operate without electricity, which is beneficial during outages but requires manual adjustment and monitoring.
Fuel Type, Venting, And Code Compliance
Natural Gas is common for home gas heaters. Confirm that the unit’s fuel specification matches available gas. Some listings prohibit fuel conversions.
Ventless vs. Venting: Ventless heaters exhaust combustion products into the room and are subject to local building codes and safety standards. Venting requirements differ by model; verify local regulations and manufacturer installation instructions.
Safety Features And Certifications
Oxygen Depletion Sensor (ODS) automatically shuts the unit off if oxygen levels decline. This is a key safety feature for ventless appliances.
Other safety considerations include tip-over protection, flame failure devices, overheat protection, and third-party certifications (UL, CSA) which indicate compliance with safety standards. Check product listings and documentation for certifications.
Installation, Clearances, And Mounting Options
Installation needs vary: wall-mounted units require secure installation and clearance; floor-mounted units need base feet and space; unit heaters may require more complex mounting and venting. Always follow manufacturer clearance specifications and local code.
Consider whether the unit requires electrical power for ignition, blower, or thermostats. Some manual models use piezo ignition and no electricity, while others rely on 120 V for controls or fans.
Indoor Air Quality And Ventless Operation
Ventless heaters can increase indoor moisture and combustion byproducts. Consider room ventilation, humidity control, and whether ventless operation is permitted by local codes. In bedrooms or tightly sealed homes, consult local regulations before installing a ventless appliance.
Comfort, Efficiency, And Use Cases
Radiant Vs. Convective Comfort: Infrared radiant heaters often feel warmer quickly at a person’s level, while blue flame convective units distribute warmth through the air. Choose based on how and where you spend time in the space.
Intermittent vs. Continuous Use: For intermittent spot heating, a radiant or small blue flame model may be ideal. For continuous whole-house supplemental heat, thermostat-controlled units improve stability and efficiency.
Maintenance And Serviceability
Review manufacturer guidance for cleaning, filter checks, yearly inspections, and servicing gas components. Accessibility for maintenance, availability of replacement parts, and local service providers are practical considerations.
Comparison Perspectives
- Efficiency Perspective: Compare controlled thermostat operation vs. manual settings to estimate fuel consumption under typical schedules.
- Safety Perspective: Prioritize units with ODS and recognized safety certifications, especially for ventless models.
- Installation Perspective: Evaluate whether wall, floor, or suspended unit installation fits existing infrastructure and clearance requirements.
- Comfort Perspective: Choose infrared for targeted quick warmth, blue flame for whole-room heating, and high-BTU unit heaters for large or poorly insulated spaces.
Checklist Before Purchase
- Confirm the heater’s fuel type matches your supply and that conversion is permitted.
- Verify BTU rating aligns with room size and heat-loss considerations.
- Check for required clearances, venting rules, and local codes for ventless/venting units.
- Look for ODS, certifications, and the presence of a thermostat if automatic control is needed.
- Assess installation complexity and whether professional installation is necessary.