Radiant panels usually require a professional installation, but there are some DIY radiant panel kits on the market. If you're handy and have some experience with home repairs, you may be able to install a DIY kit without too much trouble. Just be sure to follow the instructions carefully, and use all of the required safety gear. If you're not comfortable with DIY projects, it's best to leave the installation to a professional.

It depends on a few things. What type of radiant panel are you installing? What is the climate like where you live? Generally, if you're comfortable doing basic home repairs and have some knowledge of wiring, then you can install a radiant panel yourself. However, it's always best to consult with a professional beforehand to make sure you're aware of any potential risks and that you're installing the panel correctly.