According to HomeAdvisor, the cost to repair a furnace, such as those manufactured by Heil, is typically between $125 and $350; the average reported repair cost is $200, as of 2015. However, repairs can be upwards of $800 or more depending on the nature of the problem.
The cost to fix a problem depends largely on what part needs to be replaced or repaired and how much labor costs. In more expensive areas, labor is typically more expensive, so repair costs rise. Newer furnaces have a number of safeguards to prevent unsafe operation, so fixing a furnace can be as simple as pressing a reset button. By consulting the operation manual, owners might be able to avoid expensive repair visits.