I am from Ayr and I always manage to find good tradespeople in this area. It’s good that you’re choosing to go local as well. There are many small businesses that do fantastic work but are struggling to make a profit against the bigger companies. Going local means you get a more personalised service, from people who arrive quickly, care about their local community, and often for a lower price.
To find a good boiler installation service, I recommend using Google. Just search something like “boiler installations in Ayr”. You’ll find a decent list of local businesses. You can then Google the company to check reviews or search them on Facebook to see what they’re like. If they have a good online presence, then they’re probably trustworthy. They’ll get your boiler installed in no time. I use C Nicol Gas to learn more about boiler installations in the Ayr area.