Play yards offer a safe and portable space for baby to nap or play. (thespruce.com)
For instance, Sacramento County does NOT allow portable space heaters as the main heat source (I'm guessing most areas are like this). (sacramentoappraisalblog.com)
When using a space heater, be mindful that some types of kerosene and propane portable space heaters get hot enough to ignite nearby draperies, carpet, paper, clothing or furniture. (www2.erie.gov)