Bartlett Instrument Company is a manufacturer of instrumentation equipment and controls with more than 75 years of experience. The company designs and produces reliable, easy-to-use, and economical embedded controllers, with a focus on temperature control. Its products serve two distinct markets: ceramic kiln operators and greenhouse growers. Bartlett is known for temperature control products for kilns and has expanded its range to include affordable environmental control units customized for the greenhouse market, including solutions for small growers.

The company offers dedicated controller ranges for both applications: Kiln Controllers, supported through the KilnAid platform, and Greenhouse Controllers, supported through Headgrower. Customers can access product information, login services, support, video tutorials, and, for greenhouse products, details about tradeshows and distributors. Bartlett also provides product pricing information and shares company and industry news. Its website features a newsletter for product announcements and helpful tips, along with contact information for inquiries and purchases. Bartlett emphasizes quality products and ongoing service, aiming to support customers across both kiln and greenhouse applications.