New Boiler Installations Across South Yorkshire
Expert Boiler Installations
Upgrade your home with an energy-efficient boiler installed by Kassgas. Our Gas Safe registered engineers provide professional boiler installations across Sheffield, Rotherham, Barnsley, Doncaster and Chesterfield , with trusted boiler brands and manufacturer warranties of up to 12 years on selected models.
Trusted Boiler Brands Installed by Kassgas
We work with established boiler manufacturers known for quality engineering, energy efficiency and UK support. We’ll help you choose the right boiler for your property, requirements and budget.
Ideal Heating
Efficient and reliable heating solutions from one of the UK’s established boiler manufacturers.
View Ideal Boilers →Worcester Bosch
High-efficiency boilers backed by established manufacturer support and warranty options.
View Worcester Bosch →Vaillant
Modern heating technology combining efficiency, control and proven engineering.
View Vaillant Boilers →Baxi
Practical, dependable boiler solutions with established UK manufacturer support.
View Baxi Boilers →What We Do
Beyond Boiler Installations
Kassgas provides much more than new boilers. Our qualified team supports homes and businesses with heating, plumbing, air conditioning, commercial gas and LPG services.
Whether you need a boiler repair, an air conditioning system, commercial gas support or help with LPG, you’ll be dealing with the same local Kassgas team.
Why Choose Kassgas?
Qualified support for domestic and commercial customers across South Yorkshire and North Derbyshire.
Areas We Cover
Heating, cooling, gas and LPG services across South Yorkshire and surrounding areas.
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
We can help with any general plumbing work from emergency leaks to outdoor tap installation.
Smart Thermostat
Installing a smart thermostat in your home can save on your heating bills drastically over a 12 month period, giving you full control over when and how your home is heated. We can install any smart thermostat you desire including Nest, Hive, Honeywell Evohome and many more.
Cooker Installation
Our gas cooker installations 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.
Air Conditioning
Keep your home or workplace comfortable all year round with energy-efficient air conditioning. We install, service and maintain modern systems for heating and cooling across Sheffield and South Yorkshire.
Air Source Heat Pumps
Air source heat pumps provide efficient, low-carbon heating by taking warmth from the outside air. We can advise on suitability and professionally install the right system for your property.
LPG
We install, service and maintain LPG heating systems and appliances for homes, businesses, holiday properties and rural locations without access to mains gas. All work is completed safely by Gas Safe registered engineers.
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
