Range from the cheapest powerflush £350 (Nigel Goodfellow based in EX7) to the dearest powerflush £600 (Gastech South West based in EX4).
Comparing heating engineers estimates for powerflushing a central heating system gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to powerflush in Exminster by posting a job with HaMuch and we will send it to heating engineers in Exminster.