So it just depends on the particular device you want to control.
Z wave ir controller.
Hogar ir controller is an intelligent wireless remote control center for all ir controlled devices such astv set up box ac blu ray dvd etc.
Fortunately the vera2 z wave controller is also extendable to interact with various other devices over the lan using plugins.
With its comprehensive built in and cloud stored ir database library.
There are two ways to specify a command.
Zxt 600 can control different brands and models of air conditioners worldwide.
A third alternative is to get a z wave device that can broadcast ir and there are a couple of community members using one the remotec hvac zxt120.
Fortunately i found and installed the global cache gc100 plugin to allow me to use my vera to communicate to a global cache ir product to transmit ir signals.
Z uno ir controller supports up 4 outputs pins 4 6 ir tx2 ir tx0 see pinout and one input pin 7 or ir rx.
Ir controller infrared controller can be used to emit ir signals to control different a v devices as well as recieve learn ir signals from existing remote controls.
The remotec z wave a c controller zxt 600 is a z wave plus to ir extender for your split system air conditioner ac it works with any z wave compliant gateway or controller by translating z wave thermostat commands to ac ir infra red control code.
It won t require a laptop as a bridge but it offers many fewer commands then either harmony or global cachet.