The answer to 'boiler repair cost' is that the cost can vary significantly depending on several factors, but most homeowners can expect to pay between $200 to $1,000 for a typical boiler repair. The exact cost will depend on the severity of the issue, the parts needed, the age and model of the boiler, and the labor rates in your local area.
Factors that can influence the cost of a boiler repair include the type of problem (such as a malfunctioning thermostat, leaks, or a broken component), the accessibility of the boiler, and whether any additional work is required like system flushing or cleaning. Repairs on older or less efficient boilers may also be more expensive. It's important to get quotes from multiple local HVAC professionals to understand the typical costs in your area.