A majority of reviews for Ducane furnace on FurnaceCompare.com are negative, but there are positive and mixed reviews as well. Many people rate the furnace as highly ineffective and unreliable, while others like it for being affordable.
The reviews for the Ducane furnaces as highly ineffective and unreliable are mixed. As of 2015, out of 59 reviewers on FurnaceCompare.com, 37 were very unsatisfied with Ducane furnaces. Many reviewers on the website termed Ducane furnace parts as poorly constructed because they were prone to constant breakages. One reviewer mentioned that the furnace limit switch stopped working 90 days after purchasing the unit. Another reviewer stated that the pressure switch became defective after one year and repairing it was too expensive.
Several reviewers mentioned that, after purchasing the furnace, it was poorly installed and it stopped working abruptly. After calling the repairer, they learnt that some parts had become defective. Additionally, some reviewers complained of oil and gas leakage, breakdown of almost all parts except for the fan, and issues with rusting. These individuals received little to no help through their five-year limited parts warranty and they had to pay for almost all repairs. However, some reviewers stated that its affordability was highly attractive to homeowners working with limited budgets.