If you need assistance and live outside the United States and Canada or have a product purchased outside these territories, please click here to find the International office nearest you.

Have questions? Need technical Support?


Our expert technicians are available by phone during our normal business hours of 8:00am – 5:00pm MDT, Monday – Friday (closed all major holidays) at:

(888) 270-8595
For Technical Support: [email protected]
For Product Questions: [email protected]

For Hollis Rebreather inquiries:

Toll Free: 877-598-5796
Sales: [email protected]
Service: [email protected]


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    Please use this form below to contact Hollis

    We are committed to providing the highest level of customer service. Our highly trained team of Customer Care Representatives are available to help answer any questions, assist with your orders and troubleshoot for you.

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