Reviews for Charmglow heaters can be found on sites dedicated to providing user reviews of products, such as Buzzillions.com, and on the product page of retail websites, such as HomeDepot.com. Review and retail sites typically contain a small user written review and rating system, which is commonly five stars.
Full reviews containing full lists of features highlighting the pros and cons of particular models are available at consumer testing websites, such as ConsumerSearch.com. These sites typically test a variety of comparable appliances to inform consumers of the differences between brands and models. Reviews differ between websites and particular models, but reviews are typically positive as of 2015.