Why replace a Gas Boiler?
Older boilers lose up to 40% of their energy as waste heat.
Modern condensing models reach 90%+ efficiency and integrate with smart thermostats for effortless control.
Top 3 Reasons for Gas Boiler Replacement
Is My Home Suitable?
Most installations are completed in 1–2 days with minimal disruption.
What's Included in Our Service
- High-Efficiency Condensing Gas Boiler
- Heating Controls Upgrade (if required)
- Professional Installation & Commissioning
- Optional Smart Thermostat
- BER Reassessment if needed
Most installs are completed in 1–2 days with minimal disruption.
SEAI Boiler Grants
Claim up to €700 through the SEAI Better Energy Homes Scheme when upgrading your gas boiler with smart heating controls. Smart heating controls help you save energy and money by automatically adjusting your heating based on your schedule and room temperature.
BlueBuild will support you through the grant application process from start to finish.
If you’re considering upgrading your boiler, it’s worth exploring heat pump grants — which offer significantly greater financial support.
How the Process Works Book Free Heating Survey
Frequently Asked Questions on Insulation for your home
We’ve answered some common questions to help you with any concerns
Costs vary depending on system type, home size, and insulation. We provide free, no-obligation quotes and help identify grant support to lower upfront expenses.
Gas or oil boiler replacements typically take 1–2 days. Heat pump installations may take longer depending on complexity. We carefully plan work to minimise disruption to your home life.
Savings depend on your current system and home insulation. Modern boilers and heat pumps can reduce energy usage by 20–50%, cutting both bills and carbon emissions.
Through installation of smart heating controls, you may be entitled to a grant of €700. Homeowners replacing Gas or Oil systems with Heat Pumps will qualify for grants up to €12,500. We’ll guide you through the application to ensure you get the maximum support available.
Hear from Our Customers
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Very happy with the work that was done on the house. The improvement it has already it brilliant. The men doing the work were so efficient and friendly too.
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Thanks for all the great work done by the team ,they kept the place very tidy and worked long days to get it finished for me . My project manager was a great help always able to take my call . Thanks to the team in the back office also regards Edward
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Very professional team, clean work delivered. Friendly and helpful team providing a super service. Highly recommended 👌
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I've just had external wall insulation to my house and while it's an excellent job, most of the credit goes to Jason Roe, project manager. Nothing was a problem to him. He was so considerate and attentive. He made it all happen without a hitch. I would definitely recommend Bluebuild 100%
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Bluebuild recently completed my Insulation and associated works. I have to say from Jason who was the Project Manager to everyone who was outsourced to do their job,I cannot speak highly enough about them. Everyone worked 100% and were so professional and courteous at all times. I would highly recommend Bluebuild.
Clean energy for homes and businesses with BlueBuild
Smart, sustainable energy solutions tailored to you.