New Boiler Installations in South Yorkshire
Upgrade Your Heating with a New Energy-Efficient Boiler from Kassgas
Looking to improve your home heating and reduce your energy bills? Kassgas Ltd provides expert boiler installation services across Sheffield, Rotherham, Barnsley, Doncaster, and Chesterfield, offering competitive prices, reliable workmanship, and up to 12 years of manufacturer warranty for complete peace of mind.
Whether your existing boiler has broken down or you’re planning an upgrade to a more efficient system, we’re here to help you choose the right solution for your home.
Trusted Boiler Brands, Installed by Kassgas Ltd
Choosing the right boiler is a big decision — that’s why our experienced team only recommends products from manufacturers we know and trust. While we can install boilers from any brand, we highlight a select range of systems that meet our high standards for efficiency, reliability, and long-term performance.
Our recommendations are based on real-world experience, excellent manufacturer support, and proven customer satisfaction, ensuring you get the best value and a heating system you can rely on.
What We Do
New Boiler Installation in & around South Yorkshire — Affordable, Fast & Trusted
Is your boiler on its last legs? Thinking of upgrading to a modern, energy-efficient system? At Kassgas Ltd, we specialise in affordable, reliable new boiler installations offering warranties from 5 Years up to a staggering 12 Years Warranty across Doncaster, Sheffield, Rotherham, Barnsley, and surrounding areas.
We understand that a faulty or inefficient boiler can cause stress, inconvenience, and unexpected costs. That’s why we offer fast, hassle-free boiler replacements with next-day installation available*, ensuring your home stays warm and your heating bills stay low.
Our team of fully qualified engineers will assess your home, recommend the perfect boiler for your needs, and provide expert installation — all backed by our commitment to beat any like-for-like quote.
✅ Competitive Prices
✅ Next-Day Installation Available*
✅ Trusted Local Engineers — Rated 5 Stars
✅ Energy-Efficient Boilers to Reduce Your Bills
✅ We Promise to Beat Any Like-for-Like Quotation
Choose Kassgas Ltd for your new boiler — trusted by homeowners and businesses across South Yorkshire. Get your free quote today and stay warm with confidence.
Areas We Serve
Kassgas Ltd provides expert boiler installations throughout South Yorkshire, including:
Wherever you are in the region, we ensure prompt and professional service.
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
