The best type of AC thermostat for your home depends on your specific needs, preferences, and budget. If you want a basic, affordable option, a manual thermostat may suffice. If you want to save energy and have more control over your AC system, a programmable thermostat may be a better choice. If you want the most advanced features, such as remote control, learning capabilities, and smart home integration, a smart thermostat like the Google Nest Learning Thermostat or the ecobee SmartThermostat may be the best option.