Business Details
50+ Years
experience
Award-Winning Oil Boilers & Renewable Heating Systems
Established in 1968, Warmflow Engineering stands as Northern Ireland's foremost manufacturer of award-winning oil-fired boilers, renewable heating technologies, and hot water cylinders. With over five decades of expertise, we have built a reputation for delivering high-efficiency, reliable solutions tailored to meet the evolving needs of homeowners and installers across the UK and Ireland. Our commitment to innovation is exemplified by the Agentis oil boiler range, featuring the UK and Ireland's only AAA-rated oil boiler, designed for optimal performance and ease of installation. We prioritise sustainability through our Zeno range of MCS-approved renewable energy systems, including ground and air source heat pumps, which harness low-global-warming-potential refrigerants for eco-conscious heating. Our comprehensive cylinder range, crafted from duplex stainless steel with high-performance components, ensures durable and efficient hot water solutions for demanding domestic environments. Backed by extensive warranties and dedicated after-sales support, we empower installers with free training programs and a nationwide network of registered professionals.Our state-of-the-art manufacturing facilities produce not only heating appliances but also precision-engineered sanitary ware and industrial air heaters, reflecting our versatility and technical expertise. Through strategic partnerships and continuous investment in research and development, we remain at the forefront of heating technology, addressing both current and future energy efficiency challenges. Our customer-centric approach ensures transparent communication, with dedicated support teams available via multiple channels to assist with product registration, technical queries, or service requests. As a trusted industry leader, we combine traditional craftsmanship with modern innovation to deliver heating solutions that enhance comfort, reduce environmental impact, and provide exceptional value to homeowners and professionals alike.
Services
Oil Boilers
Renewable Heating Systems
Hot Water Cylinders
Installer Training
Product Registration
Details
- Year established: 1968
Highlights and features
- We offer over 50 years of specialist experience in heating technology manufacturing.
- Our products feature patented heat exchanger designs and low NOx emissions technology.
- We provide free installer training programs for renewable and conventional systems.
- Our cylinders incorporate duplex stainless steel construction for enhanced durability.
- We maintain extensive warranties backed by dedicated technical support teams.
Associations and certifications
- MCS (Microgeneration Certification Scheme)
What people say
Market leader in boilers
Excellent product and service
Quality in design
Extensive warranties
Good after sales support
Services
Oil Boilers
Our oil boilers combine advanced Riello low NOx technology with patented heat exchanger designs for maximum efficiency. Available in internal, external, and boiler house configurations, these systems deliver reliable heating while meeting modern environmental standards. Suitable for residential and commercial properties across diverse climate conditions.
Renewable Heating Systems
The Zeno range features MCS-approved ground and air source heat pumps using R290 refrigerant with low global warming potential. These systems provide sustainable heating solutions that maintain performance even in cold climates, helping reduce carbon footprints without compromising comfort or efficiency.
Hot Water Cylinders
Manufactured from duplex stainless steel with 316 stainless fittings, our cylinders offer durable hot water solutions in various configurations. Models include indirect, twin coil, triple coil, direct, and heat pump variants with capacities from 110 to 290 litres for different household requirements.
Installer Training
We provide comprehensive training programs for heating professionals covering conventional and renewable system installation, maintenance, and troubleshooting. These initiatives help installers stay updated with the latest technologies while ensuring proper system implementation for optimal performance and longevity.
Product Registration
Our online registration system allows customers to activate standard warranties quickly. This service streamlines post-purchase support, ensuring timely access to technical assistance, spare parts, and extended warranty options through our dedicated customer service channels.
Questions
What types of heating products does Warmflow Engineering manufacture?
We produce oil-fired boilers in internal, external, and boiler house configurations, renewable energy systems including ground and air source heat pumps, and various hot water cylinder models.
How can I register my Warmflow Engineering product warranty?
Product registration is completed through our online Connect platform, which activates your standard warranty and provides access to extended warranty options and technical support services.
Do you offer training for heating installers?
Yes, we provide comprehensive training programs covering both conventional and renewable heating systems to help installers develop expertise with our latest technologies and installation methods.
What areas do you serve across the UK and Ireland?
We operate throughout the United Kingdom and Ireland with dedicated sales teams and distribution networks ensuring product availability and technical support reach all regions efficiently.
Are your renewable heating systems environmentally friendly?
Our Zeno renewable range uses R290 refrigerant with low global warming potential, meeting strict environmental standards while maintaining high performance in various climate conditions.
How do you support customers after purchase?
We offer technical assistance through dedicated support teams, comprehensive product manuals, online resources, and an extensive network of registered installers providing ongoing maintenance and service solutions.