ClimateLine Heated Tubing

If you've ever woken to condensation pooling in your CPAP hose — the dreaded "rainout" — ClimateLine heated tubing from ResMed is the fix. These heated tubes warm the air as it travels from your humidifier to your mask, holding a consistent temperature and humidity level so you don't get cold, wet blasts of air or gurgling in the line. For anyone who runs their machine in a cool bedroom or with the humidifier turned up, that difference is the difference between finishing the night on therapy and pulling the mask off at 3 a.m.

Compatibility is what matters most when buying a replacement, so match the tube to your machine. The ClimateLineAir Heated Tube (37296), 6.5 feet long, is built for the AirSense 10 with the HumidAir heated humidifier — it's the tube that enables Climate Control and automatically manages temperature based on your room conditions. The lightweight ResMed ClimateLine tubing (36995) is the earlier design made for the S9 series and H5i humidifier, so it's the right choice if you're keeping an older, reliable machine running.

How often should you replace a heated tube? Most users swap theirs every six to twelve months, sooner if you notice tears, a loose cuff, or the heating no longer holding steady. Because the electrical connection is what sets these apart from standard slimline hose, a worn tube can quietly stop delivering climate control while the rest of your setup looks fine — a common reason therapy comfort slips over time.

Explore related supplies in our CPAP Tubing range, or browse the broader CPAP Supplies collection to keep masks, filters, and humidifier chambers current alongside your tubing.