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If you use a CPAP machine for sleep apnea therapy, understanding its power consumption is essential—especially when planning for travel, battery backup, or emergency preparedness. At Hart Medical Equipment, we offer a wide range of CPAP devices and accessories, including power solutions that keep your therapy uninterrupted. CPAP Machine Power Usage: What to Expect Most CPAP machines consume between 30 to 90 watts per hour, depending on the model and features. Here's a breakdown: Standard CPAP machines: ~30–60 watts/hour CPAP with heated humidifier: ~60–90 watts/hour CPAP with heated tubing: Up to 100 watts/hour Over an average 8-hour night, this translates to 0.24 to 0.8 kWh, which costs less than $5 per month in electricity for most users. Power Accessories Available at Hart Medical Equipment We carry several power accessories to support your CPAP therapy: 🔋 Transcend