Request your fast, free quote today! Solar powered central heating might be cheaper than you think – (flickr cc). Makes removing stains and odor simple! The cost of boiler installation can vary significantly depending on how much work is required, the parts, where you live and who you get to do the job. For a one-off repair, call baxi directly to get a quote or why not consider added protection for your baxi boiler with a repair & protect service plan? No.