John Cullen & Sons
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The average life span of a boiler is 12 years and a gas fired boiler accounts for around 55% of what you spend in a year on energy bills, so an efficient boiler makes a big difference. Replacing an old gas boiler with an A-rated high-efficiency condensing boiler and improving your heating controls will significantly cut your home's carbon dioxide emissions - and could save you as much as 310 a year.

We specialise in supplying and installing energy efficient systems. Thinking 'outside the box' these are an investment which can provide pay back within 6-7 years and a more efficient heating system will also benefit the environment. We are able to provide exceptionally competitive prices for new boilers and can get extended product warranties due to our enhanced agreements which we have negotiated with our suppliers.

Contact our team now and book an appointment to arrange a quotation for a new boiler installation. You can contact us via telephone, email or by following the instructions on the contact section of the website.
Services
We are an established in Central Scotland company who specialise in central heating installations and gas works, plumbing, and general maitinance the directors of the business have worked within the sector for over 35 years and have a wealth of experience and knowledge.
Our customer's include Landlords, Local Authorities, Businesses and Private Homeowners and with our years of experience in the domestic heating sector, we are able to offer a customer focussed service which is backed up by total professionalism.
We carry out boiler repairs & servicing to gas, solid fuel, multi-fuel and electric boilers, warm air units, wood burning stoves and aga stoves, along with replacement and new installations on the above appliances.
We undertake repairs/installations on worcester bosch, ideal, vokera, glowworm, baxi, morso, hunter, pioneer and jotul appliances - to name but a few.
We carry out plumbing and jobbing repairs from tap washers to faulty flushing toilets, replacement taps and new sinks.
We carry out repairs and replacements to existing lead water mains, burst pipes to copper, plastic, mdpe, hep2o and john guest speedfit.
We specialise in the installation of condensing boilers from Worcester, using the latest technology available.
Annual boiler servicing is a wise precaution, we can ensure that your current system is operating to peak performance, ensure against Carbon Monoxide leaks and prolong its lifespan.
Regular maintenance can also help prevent a system breakdown which can be expensive and never welcome.
It doesn't necessarily mean a whole new system is required, there are many reasons for any central heating system to degrade and we will advise on the best way to get your heating back to its maximum potential quickly.
Worcester Accredited Installers (WAI's) are accredited to install Worcester boilers, solar water heating, heat pumps and underfloor heating to the highest standard.
Our fully trained engineers specialise in Worcester installations and can offer exclusive benefits to homeowners.
Worcester want to provide homeowners with peace of mind when they are upgrading their home heating system and only invite heating engineers who are deemed as reputable, quality conscious and representing value for money.
This video demonstrates how to bleed a radiator, in order to release built up air and solve heating problems such as a 'gurgling' sound and cold radiator tops.
This video shows you how to repressurise your heating system using your Greenstar gas boiler's internal filling key.
Freezing cold weather can cause boiler condensate pipes to freeze, which can prevent the boiler from functioning.
This video shows you how to safely unfreeze the condensate pipe should it become frozen.
Please excercise extreme care and caution, as demonstrated in the video.
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