Follow the links to reviews of Airtemp heat pumps online at both webcrawler.com and wow.com. Among them, you will find FurnaceCompare.com, a site that posts reviews of more than 3,180 heat pumps including 59 different brands as of 2015, and hvac-for-beginners.com. which offers reviews written by a repairman.
You can also search Consumersffairs.com for complaints and reviews, and read the customer reviews on retail sites like amazon.com. Qualitysmith.com is a site offering a tool for comparing heat pumps with regard for pricing, pros and cons, and estimates. Numerous websites offer comparisons or lists of top heat pumps. Airtemp product information is also available online at Airtemphvac.net