Business Details
23 Years
experience
Emergency
services
Trusted Boiler Installation & Repair Services
OneSERV is a trusted heating and gas company serving Yorkshire for over two decades. Our Gas Safe registered engineers provide expert boiler installations, repairs, and servicing across Pontefract, Castleford, Wakefield, Leeds, and Doncaster. We prioritise energy efficiency, quality workmanship, and personalised solutions tailored to each customer's needs. With manufacturer-approved training and extended warranties, we ensure reliable heating systems that meet safety standards. Our commitment to transparency includes fixed-price quotes, no hidden fees, and 24/7 emergency support for urgent boiler issues. 
Services
Boiler Installation
Boiler Servicing
Emergency Repairs
Power Flushing
Commercial Heating
Details
- Year established: 2003
Highlights and features
- 20+ years of boiler installation and repair expertise
- Energy-efficient A-rated boiler recommendations
- Gas Safe registered engineers with manufacturer training
- Personalised solutions for residential and commercial properties
- 24/7 emergency boiler repair service
Associations and certifications
- Gas Safe Register
- Baxi Approved Installers
What people say
Reliable engineers
Competitive pricing
Quick response times
Professional service
Energy savings
Services
Boiler Installation
We supply and install A-rated gas boilers with precision engineering. Our engineers assess property size and hot water demand to recommend optimal models. All installations include manufacturer warranties of 5-18 years, flue fittings, and thermostat upgrades. Customers benefit from energy bill reductions through improved efficiency.
Boiler Servicing
Comprehensive boiler inspections ensure safety and efficiency. Our Gas Safe engineers perform combustion analysis, pressure checks, and component testing. Regular servicing prevents breakdowns, maintains warranty validity, and identifies potential issues before they escalate into costly repairs.
Emergency Repairs
24/7 boiler repair service for urgent heating failures. Engineers carry diagnostic tools and replacement parts to resolve common faults like pressure loss, ignition failure, and heat exchanger issues. Emergency call-outs include priority scheduling and guaranteed same-day fixes for critical failures.
Power Flushing
High-velocity system cleaning removes sludge and scale buildup. Using specialist equipment, we restore circulation efficiency in systems with cold radiators or noisy operation. The process includes inhibitor treatment to prevent future corrosion, improving heating performance and reducing energy consumption.
Commercial Heating
Tailored heating solutions for commercial properties including laundries, offices, and industrial units. We install and maintain large-scale boilers, provide planned preventative maintenance contracts, and ensure compliance with commercial gas safety regulations through documented inspections and certifications.
Questions
How quickly can you install a new boiler?
We aim for installations within 24 hours of quote acceptance, with same-day surveys available for urgent cases.
Do your boiler prices include all components?
Our fixed-price quotes include flues, thermostats, pipework, and manufacturer warranties with all installations.
What payment options are available?
We offer 0% interest finance over 12 months, 10.9% APR for 3-10 years, and accept cash, card, and bank transfers.
Are your engineers qualified?
All engineers hold Gas Safe registration and manufacturer-specific training certifications for boiler brands we install.
What warranties apply to new boilers?
New boilers include 5-18 years manufacturer warranty covering parts and labour, with extended coverage available.
Do you service all boiler brands?
Our engineers work with all major brands including Baxi, Worcester, Vaillant, and Ideal for servicing and repairs.
