Top 10 Best Small Gas Heater 2022

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Our team studied on 58846 reviews available online for Small Gas Heater, chose the finest ones and prepared Small Gas Heater Reviews for you. It was very difficult to shortlist the ideal Small Gas Heater from thousands of products online. However, We tried to make sure that you get only the Best Small Gas Heater from our suggestions. Check our listings-:

Best Small Gas Heater
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Best Small Gas Heater

58846 number of user reviews were available online, which we scanned to find the small gas heater. Hopefully, our experts suggestions available in this article will help you find your ideal choice.

Comparison Chart of Top 10 small gas heater

NoProductScoreAction
1Rinnai FC824P Space Heater with Fan Convector9.8Buy On Amazon
2Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater9.6Buy On Amazon
3Rinnai V53DeN Tankless Hot Water Heater9.6Buy On Amazon
4Rinnai RU199eN Condensing Tankless Hot Water Heater9.2Buy On Amazon
5Noritz EZTR40NG 40 gal Tank Replacement Indoor Tankless Water Heater 6.6 GPM (Standard Vent) - Natural Gas9.2Buy On Amazon
6Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater9Buy On Amazon
7Mr. Heater MH-F232000 Portable Buddy 98.8Buy On Amazon
8Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater8.8Buy On Amazon
9Rinnai CU199iN Natural Gas Condensing Tankless Hot Water Heater8.6Buy On Amazon
10Marey GA5PORT Portable Propane Gas Tankless Water Heater8.2Buy On Amazon

Table Of Content:

1. Rinnai FC824P Space Heater with Fan Convector

  • Indoor Heater: Space heaters for indoor use have a warm air outlet with bottom front louvers and a cool-to-touch child-safe cabinet with a safety lock; ductless heater is vent- and hassle-free.
  • Smart Features: Energy-efficient space heater includes digital adaptive control, a programmable thermostat display, and self-diagnostics for simple smart heater maintenance.
  • Safe Settings: Electric heater features a flame failure device, overheat switch, oxygen depletion sensor, and tilt switch designed to automatically disable gas/power if the device overheats, overturns, or is extinguished.
  • Portable Design: Vent-free gas fan convection heater is suitable for homes, apartments, condominiums, and commercial settings; Portable heater is modular/mobile home approved.

2. Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater

  • Your purchase includes One Mr.
  • Heater dimensions – 29.
  • For use with natural gas | Category 1 vertical, category 3 horizontal venting
  • Powered exhaust allows for vertical or horizontal venting | Spark ignition features self-diagnostic control module.
  • This heater offers the operating versatility and safety that you have come to expect from Mr.

3. Rinnai V53DeN Tankless Hot Water Heater

  • Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended.
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary.
  • Optimal Water Pressure: High-performance up to 5.
  • Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively.

4. Rinnai RU199eN Condensing Tankless Hot Water Heater

  • Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended.
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: Up to 11 GPM hot water flow rate for a powerful, constant stream
  • Instant Heating: Equipped with Circ-Logic – Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation.
  • Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively.

5. Noritz EZTR40NG 40 gal Tank Replacement Indoor Tankless Water Heater 6.6 GPM (Standard Vent) – Natural Gas

  • Endless hot water
  • Direct replacement for existing 40 gal tank water heater
  • High Efficiency
  • Low Nox

6. Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater

  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • 199, 900 BTU (gas consumed per hour)
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • Recirculation pump ready kit ready
  • For use indoor only

7. Mr. Heater MH-F232000 Portable Buddy 9

  • PORTABLE HEATER: Portable propane heater designed for emergency heat, tents, campers, job sites, porches, decks, garages, tailgates, barns, sheds, ice fishing, hunting blinds, and more.
  • HEAT SPACE: Perfect for heating enclosed spaces up to 225 square feet
  • PROPANE GAS: For use with propane gas; Runs off a 1-pound cylinder of propane and can connect directly to a 20 pound cylinder with optional hose and filter.
  • FEATURES: Includes Piezo igniter, Accidental tip-over safety shut-off, swivel regulator and fold-down handle, and hi and low heat settings.
  • SPECIFICATIONS: 4,000 or 9,000 BTU per hour; Run time (max BTU): 3 hours; Run time (min BTU): 6 hours; Heating technology type: Radiant; Power type: Propane; Indoor safe: Yes; Fuel consumption/burn rate (Gal/Hr): 4,000 BTU = 0.

8. Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater

  • 50,000 BTU per hour heats up to 1250 sq. ft.
  • Powered exhaust allows for vertical or horizontal venting
  • Easy outside access to thermostat and A/C terminals and gas connection
  • Natural Gas to Liquid Propane conversion kit and 2 angle brackets for ceiling mount included
  • Minimum 8 ft clearance from floor to base of heater required; Limited 3 year warranty on parts and burners and 10 year warranty on any defects in the heat exchanger.

9. Rinnai CU199iN Natural Gas Condensing Tankless Hot Water Heater

  • Energy and Space Efficient: Space-saving design conserves energy as it only heats when necessary; multiple venting options offer installation flexibility.
  • Optimal Water Pressure: High-performance 11 GPM hot water flow rate for a powerful, constant stream
  • Instant Heating: Circ-Logic technology enables recirculation patterns that coincide with your typical habits; Wi-Fi monitoring creates hot water on demand.
  • Guaranteed to Last: 8-, 5-, and 1-year commercial warranty for heat exchanger, parts, and labor, respectively.

10. Marey GA5PORT Portable Propane Gas Tankless Water Heater

  • Naturally vented outdoors: you don’t need to buy a extra venting
  • Serves to a variety of applications, since washing your car, windows cleaning, wash your horse or your dog and take a hot shower.
  • Perfect for campsites, cabins, remote areas or just around the house.
  • Provide endless hot water on demand only as needed
  • No electrical connection is required
  • Includes a gas hose with csa approved regulator for attaching to a standard liquid propane tank
  • Portable water heater by Marey has a compact design and light weight saves space and is easy to carry anywhere.

Small Gas Heater Buying Guide


Does the thought of finding a great Small Gas Heater stress you out? Has your mind been juggling between choices when it comes to buying Small Gas Heater in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Small Gas Heater for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about Small Gas Heater Reviews. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.
There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.
But that’s not always easy, right? That's why we've taken time to compile a list of the best Small Gas Heater in today's market, on your behalf, so that there will be no more worries for you.
How did we come up with the list, you ask? How did we create this buying guide?
  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Small Gas Heater currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-
  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.
Top Small Gas Heater brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.
  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Small Gas Heater based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Small Gas Heater before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Small Gas Heater they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Small Gas Heater, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Small Gas Heater before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Small Gas Heater will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Small Gas Heater if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Small Gas Heater on the market, the products that got mostly negative ratings get filtered and discarded.

These are the criteria we have chosen our Small Gas Heater on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.
Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Small Gas Heater featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

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