Gas Safe
F-Gas
Refcom
Worcester Bosch
Gas Safe
F-Gas
Refcom
Worcester Bosch
Gas Safe
F-Gas
Refcom
Worcester Bosch

New Boiler Installations in West Sussex

If your current boiler is unreliable, inefficient or costing you more in energy bills and repairs, upgrading to a modern system can make a significant difference.

Gas Safe Registered Engineers

Explore Our Expert Boiler Servicing & Repairs

Homeowner adjusting a Worcester Bosch boiler in a modern kitchen with 12 year guarantee badge

New Boiler Installations in West Sussex & Surrounding Areas

If your current boiler is unreliable, inefficient or costing you more in energy bills and repairs, upgrading to a modern system can make a significant difference. At GrenTec Renewables, we provide professional new boiler installations across Worthing, Horsham and Pulborough, helping homeowners and landlords improve comfort, efficiency and reliability.

As Gas Safe-registered engineers, we install high-quality boilers from Worcester Bosch, Baxi, Vaillant and more. Specialists in combi, system and heat-only boilers, we deliver efficient heating and hot water tailored to your property – with up to a 12-year guarantee available on selected models.

Leading Brands Installed
Worcester Bosch, Baxi & Vaillant boilers fitted to manufacturer standards
Combi, System & Heat-Only
Specialists in every boiler type to suit your property and hot water needs
Up to 12-Year Guarantee
Extended guarantees on selected boilers for long-term protection
Gas Safe Registered
All gas work carried out safely and legally by certified engineers
Full Property Survey
Thorough consultation with a clear and transparent quotation
Energy Efficient
Improved performance and lower running costs for your home
Vaillant ecoTEC plus boiler on a white background

Efficient and Reliable Boiler Installations

At GrenTec Renewables, we provide professional new boiler installations across Worthing, Horsham and Pulborough, helping homeowners and landlords improve comfort, efficiency and reliability.

If your current boiler is unreliable, inefficient or costing you more in energy bills and repairs, upgrading to a modern system can make a significant difference.

We assess your property and heating requirements to recommend the most suitable system, ensuring long-term performance and energy efficiency.

West Sussex Specialists

Covering Worthing, Horsham and Pulborough & Surrounding Areas

Our local presence allows us to offer a responsive and dependable service to homeowners, landlords and businesses throughout the area. We understand the importance of quick response times and consistent communication, ensuring every project runs smoothly from start to finish.

Download Our Air
Conditioning Brochure

Get a quick overview of our air conditioning solutions, including installation, maintenance and key benefits. Discover how modern systems can keep your space comfortable all year round while improving efficiency and air quality.