New Boiler Installations Across South Yorkshire
Upgrade your home heating with a brand-new, energy-efficient boiler from Kassgas, your trusted local heating and plumbing experts.
We provide professional boiler installations across Sheffield, Rotherham, Barnsley, Doncaster, and Chesterfield, offering competitive prices, expert advice, and up to 10 years’ warranty on selected models.
Whether you’re replacing an old boiler or upgrading to a more efficient system, our Gas Safe registered engineers deliver safe, reliable installations that keep your home warm and your energy bills low.
Trusted Boiler Brands Installed by Kassgas
At Kassgas Ltd, we know that choosing the right boiler for your home is a big decision. That’s why we only work with trusted manufacturers known for quality, performance, and long-term reliability.
We install boilers from all leading brands, including:
Ideal Heating – Efficient, affordable, and reliable boilers made in the UK.
Worcester Bosch – Premium efficiency with extended warranties and excellent support.
Vaillant – German engineering and smart heating technology.
Baxi – A popular choice for durability and ease of maintenance.
Our recommendations are based on years of experience, customer feedback, and manufacturer performance, so you can feel confident that your new boiler will stand the test of time.
What We Do
Are you in need of a reliable new boiler installation? At Kassgas Ltd, we specialise in providing high-quality, fairly priced boiler installations across South Yorkshire, with a commitment to delivering the best customer service possible.
We also offer a wide range of services, including:
Plumbing Emergencies: Quick response to leaks, blockages, and urgent repairs.
Bathroom Renovations: Transform your bathroom with expert design and installation.
Comprehensive Gas and Water Solutions: Whether it involves water or gas, our skilled engineers can help.
Call 0330 058 9419 between 7 am and 7 pm weekdays to speak to one of our team.
Check out our reviews for peace of mind.
Why Manufacturer Choice Matters
Choosing the right boiler manufacturer is about more than just the upfront cost. Reputable brands offer long-term benefits such as:
Energy Efficiency: Reduce your energy bills with high-efficiency models.
Durability: Minimize the need for repairs and replacements.
Warranty Protection: Enjoy peace of mind with extended warranties from trusted manufacturers.
Why Choose Kassgas for Your Boiler Installation?
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Local, family-run business serving South Yorkshire and Chesterfield
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Gas Safe registered engineers with years of experience
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ISO 9001 & ISO 14001 certified for quality and environmental standards
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Up to 10 years’ manufacturer warranty on selected boilers
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Transparent, fixed pricing, no hidden costs
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Fast, efficient service with minimal disruption
We handle everything from removing your old boiler to installing your new one, including system testing, setup, and full certification.
Areas We Cover
We’re proud to serve customers across South Yorkshire and Chesterfield, including:
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Sheffield – Energy-efficient upgrades for homes and businesses.
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Rotherham – Professional installations with long-term reliability.
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Barnsley – Local engineers delivering 5-star-rated service.
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Doncaster – Affordable installations with excellent aftercare.
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Chesterfield – Trusted heating specialists for homes and landlords.
Wherever you are, Kassgas provides the same reliable, expert service, every time.
Our most popular new boiler installations
24kw – 35kw
10 Years Warranty
- Supply One (24kW) or Two (35kW) Outlets At Once
- 10 Year Parts & Labour Warranty
- Free Wireless Thermostat
- All Metal Magnetic Filter Included
25kw – 36kw
10 Years Warranty
- Supple One (25kW) or Two (36kW) Outlets At Once
- 10 Year Parts & Labour Warranty
- Free Wireless Thermostat
- Adey Pro Filter Include In the Box
26kw – 40kw
12 Years Warranty
- Supply One (26kW) or Two (40kW) Outlets At Once
- 12 Years parts & Labour Warranty
- Free Wireless Thermostat
- All Metal Magnetic Filter Included
New Boiler Installation
Our boiler installations can be fitted within 24 hours and all come with a minimum 5 years warranty up to a maximum 12 years. We install 7 days a week to work around your needs and apply no extra cost to weekends.
Boiler Servicing
Boiler Repairs
Power Flush
Landlords / Letting Agents
Plumbing
Smart Thermostat
Cooker Installation
Our gas cooker installations start from only £60 and comply with all safety regulations. Moving house? We can remove your cooker in one property and install it in another on the same day, including weekends.
Commercial Gas Services
We provide comprehensive Commercial Gas services including installation and maintenance of gas equipment, thorough safety inspections by Gas Safe registered engineers, and energy efficiency solutions to help you save money and reduce your environmental impact.
Why Choose Us
We put customer service and satisfaction above all else. Listening to your needs and doing everything in our power to ensure you are fully happy with everything we do. So if you’re looking for a plumber or heating engineer for your next project, why not give us a call.
Our excellent customer service is second to none, check out our reviews here
