But if you turned your heating to keep warm only to find that your boiler has packed up, how much should you pay to get it fixed? One of our / plumbers can be there in under hours*. Thank you so much for assigning a positive, knowledgeable, and efficient technician for our furnace time-up! he represents everything we love and have grown to expect from holt! It may be time to replace your boiler. So whether you have a gas fire that needs servicing, old boiler that needs repairing,.