Indoor Gas Heaters

Indoor gas heaters from Sportsman's Guide provide a safe heat source for the living room, garage, basement, attic, and more. Our gas heaters come in a range of sizes and heat output so that you can get the best option for your space.

Mr. Heater Buddy FLEX Portable Radiant Heater

Key Features

  • 8,000-11,000 BTU heats up to 275 sq. ft.
  • For use with propane gas
  • Integrated electronic ignition
  • High wind resistance technology
  • Advanced Safety Detection (ASD™) Systems
  • Omni-directional fiber mesh burner
  • Runs on 1-lb. cylinder or 20-lb. tank (with separate hose)
  • Indoor-safe
On-Sale!   Was $159.99
Buyer's Club
$134.99
Non-Member $149.99
ALL CLUB ORDERS $49+ SHIP FREE!
In Stock
    • Shipping restrictions apply to this product under some jurisdictions. Known age, state and local shipping restrictions are applied at checkout and may result in changes to an order. PLEASE NOTE: We do not accept returns of Ammunition for safety reasons. NEVER use any Ammunition unless it is specifically designed for your firearm.
    • This item cannot ship to Canada.

Key Features

  • 8,000-11,000 BTU heats up to 275 sq. ft.
  • For use with propane gas
  • Integrated electronic ignition
  • High wind resistance technology
  • Advanced Safety Detection (ASD™) Systems
  • Omni-directional fiber mesh burner
  • Runs on 1-lb. cylinder or 20-lb. tank (with separate hose)
  • Indoor-safe

Mr Heater Big Buddy Portable Propane Heater, 18,000 BTU

Key Features

  • 4,000, 9,000, or 18,000 BTU heats up to 450 sq. ft.
  • Single control start knob
  • 3 heat settings: low, medium and high
  • Swivel regulators
  • Automatic low oxygen shut-off system (ODS)
  • Accidental tip-over safety shut-off
  • Runs off of two 1-lb. propane cylinders (not included)
Buyer's Club
$134.99
Non-Member $149.99
ALL CLUB ORDERS $49+ SHIP FREE!
In Stock
    • Shipping restrictions apply to this product under some jurisdictions. Known age, state and local shipping restrictions are applied at checkout and may result in changes to an order. PLEASE NOTE: We do not accept returns of Ammunition for safety reasons. NEVER use any Ammunition unless it is specifically designed for your firearm.
    • This item cannot ship to Canada.

Key Features

  • 4,000, 9,000, or 18,000 BTU heats up to 450 sq. ft.
  • Single control start knob
  • 3 heat settings: low, medium and high
  • Swivel regulators
  • Automatic low oxygen shut-off system (ODS)
  • Accidental tip-over safety shut-off
  • Runs off of two 1-lb. propane cylinders (not included)

Mr. Heater BuddyFLEX Portable Radiant Heater and Cooker Attachment

Key Features

  • 8,000-11,000 BTU heats up to 275 sq. ft.
  • For use with propane gas
  • Integrated electronic ignition
  • High wind resistance technology
  • Advanced Safety Detection (ASD™) Systems
  • Omni-directional fiber mesh burner
  • Integrated electronic ignition
  • Variable burner control
Buyer's Club
$233.99
Non-Member $259.99
or 4 interest-free payments of 58.50 with
ALL CLUB ORDERS $49+ SHIP FREE!
In Stock
    • Shipping restrictions apply to this product under some jurisdictions. Known age, state and local shipping restrictions are applied at checkout and may result in changes to an order. PLEASE NOTE: We do not accept returns of Ammunition for safety reasons. NEVER use any Ammunition unless it is specifically designed for your firearm.
    • This item cannot ship to Canada.

Key Features

  • 8,000-11,000 BTU heats up to 275 sq. ft.
  • For use with propane gas
  • Integrated electronic ignition
  • High wind resistance technology
  • Advanced Safety Detection (ASD™) Systems
  • Omni-directional fiber mesh burner
  • Integrated electronic ignition
  • Variable burner control

Mr. Heater Portable Convection Heater

Key Features

  • 30,000 - 80,000 BTU per hour
  • For use with propane gas
  • Heats up to 1,900 sq. ft.
  • Operates up to 14 hours
  • Quiet and odorless
On-Sale!   Was $139.99
Buyer's Club
$112.49
Non-Member $124.99
ALL CLUB ORDERS $49+ SHIP FREE!
In Stock

Key Features

  • 30,000 - 80,000 BTU per hour
  • For use with propane gas
  • Heats up to 1,900 sq. ft.
  • Operates up to 14 hours
  • Quiet and odorless

Mr. Heater 18,000 BTU Propane Cabinet Heater

Key Features

  • Up to 18,000 BTU per hour
  • Heats up to 450 sq. ft.
  • 24-hour runtime at max BTU
  • Runs on propane gas
  • No electricity required
Buyer's Club
$152.99
Non-Member $169.99
or 4 interest-free payments of 38.25 with
ALL CLUB ORDERS $49+ SHIP FREE!
In Stock

Key Features

  • Up to 18,000 BTU per hour
  • Heats up to 450 sq. ft.
  • 24-hour runtime at max BTU
  • Runs on propane gas
  • No electricity required

Eccotemp i12-LP Indoor Tankless Water Heater

Key Features

  • Powered by liquid propane / electronic ignition system
  • 4 GPM flow capacity
  • Hot water capacity range: 0.6 - 4.8 GPM
  • Max. / min. gas rate: 25,000 - 80,000 BTUs
  • Requires standard 120V electrical outlet
  • Includes stainless vent kit
  • 15" x 24" x 4", 33 lbs.
Buyer's Club
$386.99
Non-Member $429.99
or 4 interest-free payments of 96.75 with
ALL CLUB ORDERS $49+ SHIP FREE!
In Stock

Key Features

  • Powered by liquid propane / electronic ignition system
  • 4 GPM flow capacity
  • Hot water capacity range: 0.6 - 4.8 GPM
  • Max. / min. gas rate: 25,000 - 80,000 BTUs
  • Requires standard 120V electrical outlet
  • Includes stainless vent kit
  • 15" x 24" x 4", 33 lbs.

Mr. Heater Vent-free Blue Flame Natural Gas Heater, 30,000 BTUs

Key Features

  • 30,000 BTU output per hour
  • For use with natural gas
  • Heats up to 1,000 sq. ft.
  • Automatic low-oxygen shutoff system
  • High-limit safety shutoff
  • Includes removable legs
Buyer's Club
$238.49
Non-Member $264.99
or 4 interest-free payments of 59.63 with
ALL CLUB ORDERS $49+ SHIP FREE!
Item is on backorder. Estimated availability: 9/20/2022
    • Shipping restrictions apply to this product under some jurisdictions. Known age, state and local shipping restrictions are applied at checkout and may result in changes to an order. PLEASE NOTE: We do not accept returns of Ammunition for safety reasons. NEVER use any Ammunition unless it is specifically designed for your firearm.

Key Features

  • 30,000 BTU output per hour
  • For use with natural gas
  • Heats up to 1,000 sq. ft.
  • Automatic low-oxygen shutoff system
  • High-limit safety shutoff
  • Includes removable legs

Mr. Heater Little Buddy Portable Propane Heater, 3,800 BTU

Key Features

  • 3,800 BTU, heats up to 100 sq. ft.
  • For use with propane gas
  • One button ignition on function
  • 8" round stand uses little floor space
  • Accidental tip-over safety shut-off
  • Automatic low oxygen shut-off system (ODS)
  • Connects directly to one 1 lb. disposable propane cylinder
  • Quiet, clean, odor-free operation
Buyer's Club
$62.99
Non-Member $69.99
ALL CLUB ORDERS $49+ SHIP FREE!
Item is on backorder. Estimated availability: 10/24/2022
    • Shipping restrictions apply to this product under some jurisdictions. Known age, state and local shipping restrictions are applied at checkout and may result in changes to an order. PLEASE NOTE: We do not accept returns of Ammunition for safety reasons. NEVER use any Ammunition unless it is specifically designed for your firearm.
    • This item cannot ship to Canada.

Key Features

  • 3,800 BTU, heats up to 100 sq. ft.
  • For use with propane gas
  • One button ignition on function
  • 8" round stand uses little floor space
  • Accidental tip-over safety shut-off
  • Automatic low oxygen shut-off system (ODS)
  • Connects directly to one 1 lb. disposable propane cylinder
  • Quiet, clean, odor-free operation

Mr. Heater Vent-Free Radiant Propane Heater, 30,000 BTU

Key Features

  • 30,000 BTU heats up to 1,000 sq. ft.
  • Uses 20 lb. propane tank (not included)
  • Radiant heat burner
  • Automatic low-oxygen shutoff system
  • High-limit safety shutoff
  • Electronic ignition
  • Includes legs and wall-mounting hardware
  • Safe for indoor use
Buyer's Club
$242.99
Non-Member $269.99
or 4 interest-free payments of 60.75 with
ALL CLUB ORDERS $49+ SHIP FREE!
Item is on backorder. Estimated availability: 9/20/2022
    • Shipping restrictions apply to this product under some jurisdictions. Known age, state and local shipping restrictions are applied at checkout and may result in changes to an order. PLEASE NOTE: We do not accept returns of Ammunition for safety reasons. NEVER use any Ammunition unless it is specifically designed for your firearm.

Key Features

  • 30,000 BTU heats up to 1,000 sq. ft.
  • Uses 20 lb. propane tank (not included)
  • Radiant heat burner
  • Automatic low-oxygen shutoff system
  • High-limit safety shutoff
  • Electronic ignition
  • Includes legs and wall-mounting hardware
  • Safe for indoor use

Mr Heater Portable Propane Convection Heater, 25,000 BTU

Key Features

  • 25,000 BTU per hour
  • For use with propane gas
  • Heats up to 625 sq.ft.
  • Quiet and odorless
Buyer's Club
$80.99
Non-Member $89.99
ALL CLUB ORDERS $49+ SHIP FREE!
Item is on backorder. Estimated availability: 10/24/2022

Key Features

  • 25,000 BTU per hour
  • For use with propane gas
  • Heats up to 625 sq.ft.
  • Quiet and odorless

Mr. Heater 30,000 BTU Vent-free Blue Flame Propane Heater

Key Features

  • 30,000 BTU heats up to 1,000 sq. ft.
  • Blue flame burner delivers even convection heat
  • Automatic low-oxygen shutoff system
  • High-limit safety shutoff
  • Electronic ignition
  • Mounting hardware for ceiling/floor install
  • Uses 20 lb. propane tank (not included)
  • Safe for indoor use
Buyer's Club
$238.49
Non-Member $264.99
or 4 interest-free payments of 59.63 with
ALL CLUB ORDERS $49+ SHIP FREE!
Item is on backorder. Estimated availability: 10/24/2022
    • Shipping restrictions apply to this product under some jurisdictions. Known age, state and local shipping restrictions are applied at checkout and may result in changes to an order. PLEASE NOTE: We do not accept returns of Ammunition for safety reasons. NEVER use any Ammunition unless it is specifically designed for your firearm.

Key Features

  • 30,000 BTU heats up to 1,000 sq. ft.
  • Blue flame burner delivers even convection heat
  • Automatic low-oxygen shutoff system
  • High-limit safety shutoff
  • Electronic ignition
  • Mounting hardware for ceiling/floor install
  • Uses 20 lb. propane tank (not included)
  • Safe for indoor use

Mr. Heater Vent-free Blue Flame Propane Heater, 20,000 BTUs

Key Features

  • 20,000 BTU heats up to 700 sq. ft.
  • Blue flame burner delivers even convection heat
  • Automatic low-oxygen shutoff system
  • High-limit safety shutoff
  • Electronic ignition
  • Mounting hardware for ceiling/floor install
  • Uses 20 lb. propane tank (not included)
  • Safe for indoor use!
Buyer's Club
$197.99
Non-Member $219.99
or 4 interest-free payments of 49.50 with
ALL CLUB ORDERS $49+ SHIP FREE!
Item is on backorder. Estimated availability: 10/3/2022
    • Shipping restrictions apply to this product under some jurisdictions. Known age, state and local shipping restrictions are applied at checkout and may result in changes to an order. PLEASE NOTE: We do not accept returns of Ammunition for safety reasons. NEVER use any Ammunition unless it is specifically designed for your firearm.

Key Features

  • 20,000 BTU heats up to 700 sq. ft.
  • Blue flame burner delivers even convection heat
  • Automatic low-oxygen shutoff system
  • High-limit safety shutoff
  • Electronic ignition
  • Mounting hardware for ceiling/floor install
  • Uses 20 lb. propane tank (not included)
  • Safe for indoor use!

Mr. Heater Vent-Free Radiant Propane Heater, 18,000 BTU

Key Features

  • 18,000 BTU heats up to 700 sq. ft.
  • Radiant heat burner
  • Automatic low-oxygen shutoff system
  • High-limit safety shutoff
  • Piezo ignition
  • Includes legs and wall-mounting hardware
  • Safe for indoor use
  • Uses 20 lb. propane tank (tank and hose not included)
Buyer's Club
$193.49
Non-Member $214.99
or 4 interest-free payments of 48.38 with
ALL CLUB ORDERS $49+ SHIP FREE!
Item is on backorder. Estimated availability: 10/24/2022
    • Shipping restrictions apply to this product under some jurisdictions. Known age, state and local shipping restrictions are applied at checkout and may result in changes to an order. PLEASE NOTE: We do not accept returns of Ammunition for safety reasons. NEVER use any Ammunition unless it is specifically designed for your firearm.

Key Features

  • 18,000 BTU heats up to 700 sq. ft.
  • Radiant heat burner
  • Automatic low-oxygen shutoff system
  • High-limit safety shutoff
  • Piezo ignition
  • Includes legs and wall-mounting hardware
  • Safe for indoor use
  • Uses 20 lb. propane tank (tank and hose not included)

Mr. Heater Forced Air Kerosene Heater, 210,000 BTU

Key Features

  • 210,000 BTU per hour
  • Use with kerosene, diesel, or home heating oil
  • Heats up to 6,000 sq. ft.
  • 9.5 hours runtime on full tank
  • Overheat safety shutdown
Buyer's Club
$404.99
Non-Member $449.99
or 4 interest-free payments of 101.25 with
ALL CLUB ORDERS $49+ SHIP FREE!
HEAVY/BULKY FEES APPLY TO THIS ITEM
Item is on backorder. Estimated availability: 9/12/2022
    • Add an additional $15.00 heavy/bulky shipping charge per each.
    • This item cannot ship via any of our Next Day or Second Day Express delivery methods.
    • This item cannot ship to Canada.

Key Features

  • 210,000 BTU per hour
  • Use with kerosene, diesel, or home heating oil
  • Heats up to 6,000 sq. ft.
  • 9.5 hours runtime on full tank
  • Overheat safety shutdown