About Circadiance®

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Our Mission

Circadiance develops, manufactures and markets respiratory products for people with sleep-disordered breathing, who need non-invasive ventilation or who require monitoring.

  • Circadiance is a pioneer in respiratory therapy specializing in positive airway pressure, non-invasive ventilation and apnea monitoring.
  • Our clinically proven, innovative solutions address patients ranging from premature newborns to frail elderly.
  • Circadiance products deliver superior patient comfort and effectiveness in the acute care and home care settings, ultimately resulting in reduced cost of care and improved outcomes.

Our Company History

Circadiance got its start in 2006, when David Groll, the company’s founder, first pinpointed the problems inherent in existing PAP interface designs. As the former head of the Patient Interface Group at Respironics, he was well versed in the needs of mask users—and he could see that the decades-old plastic technology was not really serving those needs. David put together a team of experienced professionals and got the company started. In 2007, Circadiance began marketing the world’s first all-cloth respiratory interface.

Fast forward to 2014…Circadiance’s success with SleepWeaver® soft cloth CPAP mask technology leads to interest from prominent children’s hospitals in the United States, who seek a better alternative to plastic masks for use in non-invasive ventilation and CPAP therapy for children between the ages of 2 and 7. The company starts a crowdfunding campaign and is awarded several grants on its way to launching the first CE-approved soft cloth pediatric PAP mask (FDA approval pending).

In 2015, Circadiance hits another major milestone as it completes the acquisition of SmartMonitor® infant apnea monitors and the NeoPAP® infant respiratory support system from Philips Healthcare. The acquisition of these products and related intellectual property allow Circadiance to enter the global pediatric respiratory market. This combined portfolio of products allows Circadiance to meet the needs of a broad array of patients, in both the acute care and home care markets.

We look forward to serving you as our journey continues…


We’re all about comfort & performance.

Our experienced team started their careers designing plastic masks for other companies, but now we know soft cloth is the way to go. We developed a collection of cutting-edge cloth respiratory products that people simply love—they all prefer the comfortable, breathable, easy-care cloth of Circadiance masks. And, of course, their doctors value our technology because people now actually comply with their sleep apnea therapy.


We’re the cutting edge of respiratory care.

Circadiance is based near Pittsburgh, Pennsylvania. Our diverse team of engineers and customer service pros and our international distribution network mean that we can serve the needs of people all over the world. And we’ll keep thinking of new ways to help—because we’re passionate about our mission.


We’d like to help you.

Get to know us and our products, then get in touch with us. We’ll help you determine which Circadiance product is right for you.