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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Just had my house insulated by BlueBuild. Excellent job. First class workers , Madalin and his crew were great. Jason the Project manager very helpful on all occasions , everything done swiftly and 100% happy and would recommend this company.
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I got my house wrapped by BlueBuild. I'm ecstatically happy with the job. The lads worked very hard, neighbours are complimenting how it looks and telling me my bills will be reduced and I cant wait for that. The project manager Jason gave excellent service and kept me updated on all the work as it happened.
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I just had my home insulated by BlueBuild. I also had a heat pump and solar panels installed. My home is lovely and warm now. Thanks to Jason the project manager and Thanks to Alex and crew. Thank you BlueBuild for an excellent service.
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Jason and the gang have just recently compiled a full installation energy upgrade including heat pump ( photo attached). Fantastic crew who performed all tasks expertly and efficiently. We are extremely satisfied with everything and cannot recommend them highly enough.
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We recently had exterior insulation installed on our home and couldn’t be happier with the experience. From start to finish, the project was handled with professionalism and care. A special thanks to Colm, our project manager, who was absolutely fantastic throughout. He was always available, kept us informed at every stage, and made the whole process feel smooth and well-organized. His communication and attention to detail really stood out. The installation team were equally impressive, skilled, efficient, and clearly very experienced. They worked diligently and respectfully. The end result has made a big difference to our home, both in terms of comfort and appearance.
Clean energy for homes and businesses with BlueBuild
Smart, sustainable energy solutions tailored to you.