Can a 20amp circuit handle electric wall heaters?

[Tommy Adams]

I'm thinking of installing some electric wall heaters in a 3 bedroom apartment that I am planning to rent out. Each wall heater is 4.17 amps (https://www.eheat.com/envi-high-efficiency-whole-room-120v-plug-in-electric-panel-wall-heater-2nd-generation-hh3012t/) and I would like to install three of them. Installation is pretty simple - you just mount them to the wall and plug them into an outlet. The 20amp electrical circuit that wall heaters will be on does not have any appliances on it and does not run through the kitchen. Do you think the 20amp circuit will be able to handle the additional load from the electric wall heaters, or will it trip often? Are there any risks I should be concerned with?

Thanks for the help.