Heating and Plumbing since 1975

Boiler and Central Heating

John McNally

J&S McNally specialise in boiler and central heating installation, service and repair.


Gas boiler manufacturers recommend that you have your boiler serviced once a year to keep your boiler working efficiently and more importantly safely.


An older or inefficient boiler can be wasting you money both in maintenance costs and inefficiency. Replacing it with a new energy efficient one will:


Viessmann 100W Boiler

J&S McNally recommend Viessmann weather compensated boilers that efficiently run your central heating, saving you even more on your heating bills.


Click here to find out how weather compensation works


A J&S McNally fully qualified and Gas Safe engineer can either install and check a new system for you or service and maintain your existing one.