Outside temperature was 29 degrees and the inside garage temperature started at 33 degrees. Briza Carbon Infrared Heater - Electric Patio Heater - Large Shop Heater - Indoor/O... Hampton Bay 48000 Btu Stainless Steel Patio Heater. BTU per hour: 30,000-60,000. No rainchecks. Each heater comes with a 100-feet hose and regulator included and is certified. Purchased this propane heater to heat my uninsulated 750 sq ft garage. In order to navigate out of this carousel, please use your heading shortcut key to navigate to the next or previous heading. Taxes payable on price before rebate. The Mr. Heater 30-60,000 BTU Propane Forced Air Heater runs up … Plan is fully refunded if canceled within 30 days. pas pesant et produit une chaleur tres importante, Reviewed in the United States on January 6, 2018. My garage door doesn't seal well so that probably was enough ventilation. Heavy-duty high output fan. The Program Credit Card must be linked to a Triangle Rewards Account at the time the purchase is made in order to collect eCTM.