Heatstar 20,000 BTU Vent Free Radiant Heater
Heatstar 20,000 BTU Vent Free Radiant Heater - Propane is backordered and will ship as soon as it is back in stock.
Radiant heat works like sunlight. The Heatstar 20,000 BTU Vent Free Radiant Heater warms the objects and people in front of it rather than heating the air first, so you feel warmth the moment the burners light. That behavior suits drafty rooms where heated air escapes almost as fast as you make it.
Because the burners need no electricity to run, heat keeps coming during a power outage. Vent-free operation means no flue to cut, though you should confirm local codes before you install.
Key Features and Benefits of the HeatStar 20,000 BTU Vent Free Radiant Heater
- Heating Capacity: Puts out 20,000 BTU, enough supplemental warmth for a garage or a finished basement of up to 500 square feet.
- Near-Total Efficiency: A fuel efficiency rating of 99.9 percent means almost all the gas you burn ends up as heat in the room instead of waste.
- Oxygen Sensor: A low-oxygen shut-off sensor stops the gas flow automatically if room oxygen drops, which matters in a closed-up garage.
- Thermostat Control: Thermostatic control across five heat settings lets you hold a comfortable temperature instead of running the burners flat out all evening.
- Outage Ready: Gas-only burner operation keeps you warm when the power drops. Only the blower fan needs a 110-120 volt outlet.
- Electronic Ignition: Push-button electronic ignition lights the burners on the included AA batteries, so there is no pilot light to babysit.
- Burner Tiles: Multiple radiant burner tiles spread infrared output across the room rather than concentrating it in a single hot spot.
- Size and Weight: Measures 24 x 20 x 8 inches (H x W x D) and weighs 27 pounds, with a white finish that disappears against most walls.
- Safety Certifications: Built to ANSI and CSA standards for vent-free gas heating, the benchmarks your inspector will look for.
Natural Gas or Propane: Choose Your Fuel Supply
Choose between natural gas and propane models based on the gas supply already serving your building.
- Natural Gas: The natural gas model ties into an existing household gas line, which means no tank to monitor and no refills to schedule.
- Propane: The propane model draws liquid propane from a tank, making it the workable option for cabins and outbuildings with no gas service at the property.
Sylvane's Expert Take
This heater is ideal for detached garages, workshops, and rooms at the end of long duct runs that never hold heat well. Keep furniture and fabric well back from the heater face, because infrared travels straight to whatever it meets. Fuel type comes down to what is already plumbed to your building, not to performance: both models heat identically. For a cold room, you want it warm the minute you walk in; radiant beats waiting on a fan to push heated air around.
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Heater TechnologyRadiant/Infrared
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Number of Heat Settings5
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TypeWall
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CertificationsCSA, ANSI
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ColorWhite
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ControlsElectronic
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Heating BTUs (BTUs)20000
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Recommended Coverage Area (sq. ft.)500
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California Residents⚠ WARNING: Cancer and Reproductive Harm. www.p65warnings.ca.gov
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Power SupplyPropaneNatural Gas
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Voltage (V)110-120
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Depth (in.)8.0
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Height (in.)24.0
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Weight (lbs.)27
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Width (in.)20.0
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Additional FeaturesHas Thermostat, Wall-Mountable
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Manufacturer's Warranty5-Year Limited Warranty
