This will depend on the boiler type the end user chooses & how many heating zones are required for the replacement or retrofit system.
This will depend on the location of the boiler room & how extensive of cleanup work that has to be done and ease of accessibility to and from the boiler room.
This depends on your existing heating system, whether you require an hydronic boiler or a steam boiler.
If the boiler is properly installed the end user usually see a minimum of 30% lower on their bill, each job may vary.
