Sunpak Classic S25 Black Infrared Gas Heater with Electronic Ignition

5 reviews

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  • Sunpak Authorized Dealer

    Sunpak S25 Black is a slim outdoor gas infrared patio heater that can be mounted on the wall or ceiling. Fueled by propane or natural gas, it is a highly efficient heating solution.

    Sunpak Classic provides a draft-free warmth from above with radiant heat, just like the sun, that will keep you warm and comfortable outdoors. An area up to 10 x 10 sq ft is heated under optimal conditions. 

    The slim design of this heater makes it great for a variety of patio settings. Truly a classic, this heater has been used in residential and commercial outdoor patios across the United States for over 20 years. 

    Also available in Stainless Steel.

    Note: Heater placement is critical for effective patio heating. If heaters are mounted too low or are very close together, it may cause discomfort. However, if placed extremely far apart, your space may lack warmth. Extreme weather also reduces the heat output.

    Need help determining the right heater and setup for your space and heating needs? Give us a call at 1-866-713-4844 or email us at support@patiofever.com and we'll be happy to help!


     Product Manual



    Key Features:

    • Available in Natural Gas or Liquid Propane which allows you to choose a convenient fuel source.
    • Direct Spark Ignition with Auto Re-light & Flame Sensor System for a reliable start every time.
    • Wall or Ceiling Mounting to fit any patio setting.
    • Fully Automatic ON/OFF Control System to easily turn your heater on or off.
    • Commercial-grade heating power able to heat a 10 X 10 foot area.

    Other Features:

    • 25,000 BTU/hour output - reliable source of seasonal warmth for your patio
    • Perfect for 7' 1/2" to 9' 1/2" mounting heights for efficient heat coverage.
    • 0 to 30° Mounting Angle (Natural Gas model only) for installation flexibility.
    • High-Efficiency Ceramic Infrared Burner System to keep you warm and toasty outdoors.
    • Black Hl-Temp Powder Coated Aluminized Steel Construction ensures durability, this heater is built to last.
    • Mounting Kit and 24 Volt Transformer included for your convenience and for easy installation.
    • Made in the USA, ensures high quality materials and superior craftsmanship.


    Model Number: S25
    Manufacturer: Sunpak
    Series: Classic
    Indoor/Outdoor (Commercial), Outdoor ONLY (Residential)
    Fuel Type: Natural Gas/Propane
    Installation: Wall/Ceiling Mount
    Material: Aluminized Steel
    Grade: Commercial/Residential
    Ignition: Electronic Ignition
    Heater Type: Ceramic
    Heating Area: 10 ft x 10 ft
    BTUs: 25,000
    Volts: 20
    Amps: 0.8
    Dimensions: 8" H x 48" L x 8" D
    Weight: 55 lbs.
    CSA Approved
    Warranty: 1-Year Residential/90-Day Commercial 


    Install multiple heaters to keep large outdoor areas warm. 

    Sunpak® heaters work best if they are placed in areas of the greatest heat loss, such as the open side of a semiprotected patio area.

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

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  • WarningWARNING: California Proposition 65. If not installed, operated and maintained in accordance with the manufacturer's instructions, this product could expose you to substances in the fuel or from combustion including carbon monoxide which can cause death or serious illness and which are known to the State of California to cause cancer, birth defects or reproductive harm.

    For more information go to www.p65warnings.ca.gov

Customer Reviews
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Filter Reviews:
    Philippines Philippines
    I recommend this product

    Easy to Install

    This was easy to install and its a great size. Heats our little patio fine. If you have a larger patio though, you may need more than one as it wouldn't cover a large area well. The only real negative I can think of is that it doest have a start button or ignition switch. We had to get one installed. But it wasn't that big a deal, just had our electrician put one on. its great for where we need it! Pros: easy to assemble. heats well Cons: doesn't come with ignition switch

    Johnny G.
    Philippines Philippines
    I recommend this product


    It works really well and was easy to install. It heats our patio well and we could not be happier.

    Peter M.
    Philippines Philippines
    I recommend this product

    good heater

    We installed 3 of these in our rather large patio. They work great and keeps us comfortable during the cooler times of spring and fall.

    Basil F.


    We had this heater now for a couple of years and it still is going strong. The installation was also very easy.

    Lorille N.

    Great Heater

    It works really well and was easy to install. It heats our patio well and we could not be happier.