Truman infrared heaters are difficult to find today, but they pop up occasionally on such auction sites as eBay. A 1999 review of the unit posted on the Home Depot website had 35 reviews, averaging about two stars out of five. Only 31 percent of reviewers recommended Truman units.
Infrared heaters such as the Truman rely on elements that heat quartz to send heat throughout a room. Some common concerns that users reported about this unit include a failure to provide enough warmth to make a room comfortable, an electrical cord that gets hot enough to feel unsafe and a fan that rattles too loudly.