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Sunpak S25S Infrared Gas Heater with Electronic Ignition - Stainless Steel

SKU 12003
by Sunpak

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This Gas Patio Heater Gives You Draft-Free Comfort Every Time

Sunpak Authorized Dealer

The cold weather is here and it's time to turn on the heat, but your old heater just can't keep up.

Not only is your old heater costing you a fortune in energy bills, but it's also putting a lot of stress on your furnace.

Sunpak S25 infrared gas heater is the perfect solution for your heating needs. This luxurious heater uses highly energy-efficient infrared radiant energy just for soothing warmth that feels like the sun. Effortlessly add warmth with its direct spark ignition and fully automatic ON/OFF control system.

An ideal environment permits a 10 x 10 sq ft area to be well heated. Mild weather, proper placement, and mounting are vital for maximizing comfort. When properly integrated into a patio design, you can expect an increase of 5 to 10 degrees Fahrenheit outdoors.

SUNPAK has been heating up premium residences and businesses across the globe for over 20 years. This durable Stainless Steel outdoor heater is fueled by either natural gas or liquid propane to suit any outdoor space.

Enjoy the warmth and coziness of this dependable gas patio heater. Don't waste another moment without its luxurious comfort. Shop now with free shipping!

What's Included: Gas Patio Heater, Mounting Kit, 24 V Transformer, and User's Manual

Need help determining the right heater and setup for your space and heating needs? Give us a call at (866) 713-2399 or email us at and we'll be happy to help!


  • High-quality commercial-grade heater efficiently warms any outdoor area and indoor commercial spaces
  • Stainless Steel Construction can withstand the toughest outdoor elements
  • Wall or ceiling mounting - mounts easily and suits almost any patio
  • Can be angled at 0 to 30° to get heat where you want (Natural Gas model only)
  • Fully automatic ON/OFF control system to turn it on with ease
  • Direct Spark Ignition with auto re-light and flame sensor system - for a reliable start every time
  • High-efficiency ceramic infrared burner creates a draft-free area of warmth
  • Perfect for 7' 1/2" to 9' 1/2" mounting heights
  • Optional stainless steel/black fascia trim enhances its look
  • Available in Natural Gas or Liquid Propane to suit any space
  • 25,000 BTUs
  • Approximately 10' x 10' heat coverage
  • Minimum Inlet Gas Pressure 6.0” W.C. for Natural Gas and 11.0” W.C. For Propane (LP)
  • Measurements: 48” L x 8” H x 8” D
  • Weight: 55 lbs
  • Made in the USA
  • Warranty: 1 Year Parts & 3 Years Ceramic Burners

What's in the Box:

  • Gas Patio Heater - 1 pc.
  • Mounting Kit - 1 pc.
  • 24 Volt Transformer - 1 pc.
  • User's Manual - 1 pc.


Download Product Manual Download Specs


Install multiple heaters to keep large outdoor areas warm.

Never operate the heater in an explosive environment such as areas where gasoline or other flammable liquids or vapors are stored

CSA CSA (Canadian Standards Association for US & Canada)All Sunpak heaters are CSA (Canadian Standards Association for US & Canada) certified and are equipped for clean burning, cost effective, and highly efficient Natural Gas or Propane fuels. Please consult your local building codes for proper installation and safety requirements.

WARNING: Combustion byproducts produced when using this product include carbon monoxide and other chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to

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We offer market-leading 30-Day Free Returns! Read more about our Returns Policy here.

SUNPAK Infrared Heaters carry a 90-day commercial or one-year residential limited factory warranty. All heaters are stamped with the date of manufacture. Warranty is limited to repair of heaters at the factory or replacement parts. Any work or repair on a SUNPAK heater must be performed by qualified service personnel.

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