The best gas heater depends on what you need to heat: the Mr. Heater Portable Buddy suits portable spot heating, while the 30,000 BTU natural gas models are intended for larger areas. The ProCom is another natural-gas room-heater option with manual controls. For hot water rather than room heat, the FOGATTI propane tankless unit serves a different purpose. Compare fuel type, output, coverage, and installation requirements before choosing.
| Product | Best suited for | Fuel or function |
|---|---|---|
| Mr. Heater Portable Buddy | Portable spot heating | Propane space heater |
| Mr. Heater Blue Flame | Larger-area room heating | Natural gas space heater |
| ProCom Infrared Plaque Heater | Manual-control room heating | Natural gas space heater |
| FOGATTI Tankless Water Heater | On-demand hot water | Propane water heater |
| Mr. Heater Radiant Heater | Natural gas room heating | Natural gas space heater |
Mr. Heater Portable Buddy Radiant Propane Heater
Best for: Buyers who want a portable propane heater for spot heating rather than a fixed, whole-room installation. Its two heat outputs—4,000 and 9,000 BTU per hour—provide a choice of lower or higher output.
This model is listed as designed and approved for indoor and outdoor use and is described as heating areas up to approximately 225 square feet. Those details make it the most portable-oriented space heater in this selection. It may suit someone who needs supplemental heat in a smaller area and values having two output settings.
Why it was selected: It offers a lower BTU range and a smaller stated coverage area than the 30,000 BTU natural gas room heaters, making its intended use easier to distinguish. Choose it if portable propane heating is the priority.
Limitation: Its listed coverage is approximately 225 square feet, so it is not the strongest match for heating a large area. Check the product instructions and local requirements for safe use in any specific setting.
Mr. Heater 30,000 BTU Blue Flame Natural Gas Heater
Best for: Buyers looking for a higher-output natural gas room heater with a stated coverage area of up to 1,000 square feet. It emits 30,000 BTU per hour and uses battery-operated electronic ignition; a battery is included.
The blue flame design distinguishes this model from the brand’s listed radiant natural gas heater below. Both are rated at 30,000 BTU per hour and list coverage up to 1,000 square feet, so the blue flame version is a reasonable choice when that heater style is preferred. The supplied product details do not explain a performance difference between the two designs.
Why it was selected: Its output and stated coverage make it a larger-area option compared with the Portable Buddy. Choose this model if the home or space uses natural gas and the blue flame format fits your needs.
Limitation: It is a natural gas heater, not a propane model. Verify that the fuel supply and installation conditions match the manufacturer’s directions before purchase.
ProCom 30,000 BTU Natural Gas Infrared Plaque Heater
Best for: Buyers who want a natural gas infrared plaque heater with manual controls and three heat settings. The listed settings are low, medium, and high, and the heater has a maximum output of 30,000 BTU.
The product is described as heating up to 1,200 square feet and operating on natural gas only. It requires no electricity, according to the supplied features, and uses push-button Piezo ignition. An included oxygen depletion sensor is described as providing automatic shutoff.
Why it was selected: This model offers a different combination from the Mr. Heater room heaters: a stated 1,200-square-foot coverage area, manual three-setting control, and no electricity requirement. Choose it if those features matter and natural gas is available.
Limitation: It operates on natural gas only, so it is not a fit for buyers who need a propane heater. Its listed coverage is a product claim, not a guarantee that it will heat every space evenly; room conditions can affect results.
FOGATTI Propane Tankless Water Heater
Best for: Households seeking on-demand hot water, not a heater for warming a room. This propane-fired unit is listed at 170,000 BTU and up to 7.5 gallons per minute, with a digital display and temperature-control features.
FOGATTI describes the unit as suitable for three to five outlet points and says its water servo technology and temperature sensors help maintain temperature within ±1°F. These figures are product specifications, not a promise that every home will achieve the maximum flow at every temperature or number of simultaneous outlets.
Why it was selected: It is the only listed product that heats water rather than living space, so it is relevant to shoppers searching broadly for gas heaters who may mean a gas water heater. Choose it only when the need is household hot water.
Limitation: This is not a space heater. It uses propane and is described for indoor installation, so confirm the required fuel, venting, plumbing, and installation conditions with the product documentation and a qualified professional.
Mr. Heater 30,000 BTU Radiant Natural Gas Heater
Best for: Buyers comparing larger-area natural gas heaters who prefer a radiant model. It emits 30,000 BTU per hour and lists coverage up to 1,000 square feet. Battery-operated electronic ignition is included, along with a battery.
This model shares its listed output and coverage with the Mr. Heater blue flame model. The key comparison supplied by the product names is heater style: radiant versus blue flame. The provided features do not establish that one style is more efficient or better for a particular room, so base the choice on the manufacturer’s descriptions and your installation requirements.
Why it was selected: It gives natural gas buyers a second 30,000 BTU room-heater format to compare. Choose it if radiant heating is your preferred style and the stated coverage is appropriate for your space.
Limitation: It is for natural gas, and its stated coverage is up to 1,000 square feet. It will not serve shoppers who need a portable propane model or a water heater.
Buying Guide: How To Choose A Gas Heater
Do you need room heat or hot water?
Start by identifying what you want the appliance to heat. A space heater warms an area of a home, shop, or other location as permitted by its instructions. A tankless water heater heats water for plumbing fixtures. The FOGATTI product in this list is a water heater; it should not be compared with the other products as a way to warm a room.
If you want supplemental heat for a room, compare the four space heaters. If you want hot water on demand, evaluate the FOGATTI by its fuel, flow rate, installation requirements, and household demand instead.
Which fuel does the heater use?
Match the appliance to the fuel supply available at the installation location. The Portable Buddy is listed as a propane heater. The two Mr. Heater 30,000 BTU room heaters and the ProCom model are listed for natural gas. The FOGATTI unit uses propane. Do not assume that propane and natural gas models can be substituted for one another; follow the exact product specifications.
Before buying a fixed appliance, confirm fuel availability and installation requirements. Check the product instructions for any requirements about placement, ventilation, gas connections, and permitted use. Local rules may also apply.
How much output and coverage do you need?
BTU per hour describes the heater’s heat output, while a stated square-foot figure indicates the manufacturer’s claimed coverage. They are useful for comparing products, but coverage alone cannot determine how a heater will perform in a particular home. Room layout, insulation, ceiling height, outdoor conditions, and other factors can affect heating needs.
- The Portable Buddy offers 4,000 or 9,000 BTU per hour and approximately 225 square feet of stated coverage.
- The Mr. Heater blue flame and radiant models each list 30,000 BTU per hour and coverage up to 1,000 square feet.
- The ProCom lists a maximum of 30,000 BTU and coverage up to 1,200 square feet.
- The FOGATTI lists water-heating capacity, including 170,000 BTU and up to 7.5 GPM; these are not room-heating ratings.
Use those figures as a starting point, not as a substitute for checking the manufacturer’s sizing guidance. A larger stated coverage number does not automatically mean the heater is the right choice for every space.
Is portability or fixed installation more important?
The Portable Buddy stands out for portable spot heating and offers two output settings. The other space heaters are presented as larger-output natural gas models. Decide whether you need to move the heater between permitted locations or are selecting an appliance for a specific installation. Portability does not remove the need to follow the product’s use and safety instructions.
For fixed gas appliances, consider the location of the gas connection and any installation work required. For an indoor water heater, account for plumbing and venting requirements as specified by the manufacturer. When installation details are unclear, consult a qualified professional before purchase.
What controls and ignition do you prefer?
The ProCom has manual controls with low, medium, and high settings and uses push-button Piezo ignition. The two Mr. Heater 30,000 BTU products list battery-operated electronic ignition, with a battery included. The Portable Buddy offers two heat outputs. Compare these control descriptions against how you intend to use the heater, and verify all operating details in the product documentation.
What safety details should you verify?
Gas appliances require careful attention to the manufacturer’s operating and installation directions. The ProCom listing specifically identifies an oxygen depletion sensor with automatic shutoff. Do not assume that another model has the same feature unless its documentation says so. Confirm the heater’s permitted setting, required clearances, ventilation instructions, and any applicable local rules before use.
Never select a product solely because its listing mentions indoor use or a safety feature. Read the complete manual for the exact model, follow its installation requirements, and arrange professional installation where required. If you are unsure whether a product is suitable for a room or building, ask the manufacturer or a qualified installer.
Frequently Asked Questions
Which gas heater in this list is portable?
The Mr. Heater Portable Buddy is the portable-oriented option. It is a propane radiant heater with 4,000- and 9,000-BTU-per-hour settings and stated coverage of approximately 225 square feet.
Which products use natural gas?
The Mr. Heater blue flame heater, the Mr. Heater radiant heater, and the ProCom infrared plaque heater are listed for natural gas. The Portable Buddy and FOGATTI tankless water heater use propane.
Are the FOGATTI and room heaters used for the same purpose?
No. The FOGATTI is a tankless water heater for household hot water. The other products are space heaters intended to heat an area, subject to their operating instructions.
Which listed room heater has the highest stated coverage?
The ProCom product lists coverage up to 1,200 square feet. The Mr. Heater 30,000 BTU blue flame and radiant models each list up to 1,000 square feet. Actual heating results depend on the space and installation conditions.
Can a natural gas heater use propane instead?
Do not assume that it can. Choose a product that matches the available fuel and follow its manufacturer’s specifications. The products here identify specific fuel types, and the FOGATTI and Portable Buddy are listed for propane while the ProCom and two larger Mr. Heater room models are listed for natural gas.
What should I check before installing a gas heater?
Check the exact model’s manual for fuel, placement, ventilation, clearance, and connection requirements. Also confirm applicable local rules. Consult a qualified professional when installation or suitability is uncertain.