Sub-Tropical Testing Service

Sub-Tropical Testing Service is a worldwide leader in natural outdoor and accelerated weathering. Our main test laboratory and corporate headquarters are located in Miami, Florida. Sub-Tropical's desert site, located in Surprise, Arizona, is ideal for intense heat and low humidity requirements. In addition to our outstanding outdoor weathering program, Sub-Tropical Testing Service has a variety of weathering instruments available to meet your accelerated testing needs. Please take a few minutes to view our web site. If you have any questions please call us at (305) 233-5341, or email Sub-Tropical at STTSMiami@aol.com