Shop for Thermostats from Hayneedle.com! Easily take control of your HVAC with a Honeywell Manual Heat and Cool Thermostat. This manual unit is easy to install and provides simple controls for single-stage central gas, oil, or electric heating, central electric air conditioning systems.About HoneywellWhen it comes to applying leading-edge technology to solve the world's problems, few companies can rival Honeywell's long record of achievement. It began in the 1880s. Honeywell pioneered a combination of products that gave birth to a new field of technology - automation and control. Honeywell has never looked back. Across twelve decades, Honeywell has been building a better world and remains the world's leader in automation and control solutions.More than 100 million homes and well over 5 million commercial, industrial and institutional buildings around the world depend on Honeywell products, components and systems deliver control, comfort, safety and security.