Expert Combi Boiler Installations in Prescot & Across the North West
Upgrade your home heating with Viola Energy — trusted Gas Safe engineers with over 25 years of experience installing energy-efficient combi boilers. Affordable, reliable, and backed by up to 18-year manufacturer warranties.
From Quote to Heat
What to Expect
We handle every step with care, from your first enquiry to final handover. Most installations are completed within a single day, so you’ll have heating and hot water again in no time.
Free Quote – Get an instant online quote or quick call-back from our team.
Home Survey – We assess your current setup to ensure a perfect fit.
Installation Day – Your new boiler fitted cleanly, safely, and efficiently.
Aftercare – Warranty registration and ongoing support.
Professional Boiler Installation, Done Right First Time
When it comes to replacing your old boiler, we know you want peace of mind and a fast, tidy job. At Viola Energy, we install modern A-rated combi boilers from trusted brands, fitted safely and efficiently by experienced engineers.
We also register your warranty and provide all Gas Safe paperwork — so you don’t have to lift a finger.
Each installation includes:
✅ Full removal of your old boiler
✅ System clean PLUS A FREE Power Flush
✅ New A-rated energy-efficient boiler
✅ Smart control setup and user demonstration
✅ Safety testing and certification
Save Energy, Cut Bills, and Reduce Emissions
Replacing your old, inefficient boiler with a new A-rated model could save up to £400 per year on energy bills. Viola Energy helps homeowners upgrade to greener heating solutions that perform better, last longer, and lower your carbon footprint.
We only fit boilers with advanced efficiency technology, helping you enjoy reliable warmth while using less gas — good for your home and the planet.
Lower energy bills
Reduced carbon emissions
Quieter operation
Compact, space-saving designs
Trusted Local Installers with 25+ Years’ Experience
We’re proud to be a small, independent business serving Prescot and the North West. Our customers choose Viola Energy because we combine local reliability with industry expertise — offering personal service, honest pricing, and long-term peace of mind.
What sets us apart:
Gas Safe & NAPIT certified engineers
2-year workmanship warranty
Up to 18-year manufacturer-backed guarantees
Finance options available through Kanda
Fully insured and accredited
Free advice and no-obligation quotes
Supplying the Most Reliable Choice For Your Home
Buying a new boiler is a considerable investment and you need to be sure it’s going to keep you warm for years to come. That’s why all ATAG boilers come with 12 year warranty as standard with the option to extend to 18 years.
ATAG boilers are renowned for their reliability, cost-effectiveness, and ability to keep homes warm and cozy.
Upgrading to an ATAG boiler can result in savings on heating bills, and industry-leading warranties ensure that if the boiler breaks down, repairs are covered at no cost for up to 18 years. These boilers combine engineering excellence with high-quality materials, making them durable and highly efficient. Moreover, they are designed to maintain their efficiency throughout their lifespan, providing ongoing savings year after year.
ATAG also prioritises environmental responsibility. Their highly efficient boilers help reduce carbon emissions, and the latest range is designed to operate using a blend of natural gas and hydrogen, further minimising environmental impact. Additionally, 95% of ATAG’s boiler packaging is recyclable.
Let’s Talk About Viola Can Help You Go Green
