UltraOne installs, services and repairs boilers, air conditioning and heat pumps across Wakefield, Leeds, Barnsley, Pontefract and Castleford — 25+ years' hands-on experience, one straightforward price, no surprises.
Every job priced as one clear headline figure — no itemised surprises, no deposit, payment only on completion.
New boiler supply and installation for domestic and commercial properties, Worcester Bosch, Ideal and more.
Domestic & CommercialDaikin, Samsung and Midea air conditioning design and installation, single and multi-room systems.
0% VAT Available*Air source heat pump installation under an MCS-accredited umbrella scheme — helping eligible homes access the £7,500 Boiler Upgrade Scheme grant.
£7,500 BUS GrantCommercial refrigeration installation and repair for cafes, shops and catering units.
CommercialAnnual boiler servicing, F-Gas certified AC maintenance, and fast-response fault diagnosis and repair.
Fast ResponseGeneral plumbing, bathroom work, and rapid response for burst pipes, leaks and heating failures.
General & EmergencyAlongside domestic work, UltraOne designs and installs heating and cooling for commercial sites across South & West Yorkshire — from multi-split air conditioning in office blocks to commercial boiler installations for larger buildings. Every commercial job gets a full survey and load calculation before we quote, so the system is sized correctly first time.
Full cooling design for offices and commercial units, sized against a proper room-by-room load calculation rather than guesswork.
Single and cascade boiler systems for larger commercial heating demands, installed and certified to current regulations.
A proper pre-quote survey on every commercial enquiry, so the price you're given reflects the building, not an estimate.
Ongoing servicing for commercial heating and air conditioning to keep systems compliant and running efficiently.
Real jobs from around South & West Yorkshire — clean pipework, tidy cable runs, and equipment installed to manufacturer specification.
No sales scripts, no inflated quotes — just what the job needs, from someone who's fitted thousands of systems across South & West Yorkshire.
No corporate call centres or automated queues — just Craig and a trusted local team, start to finish.
Gas Safe registered (579943) and F-Gas / Refcom registered (1017324), with heat pump installs carried out under an MCS-accredited umbrella scheme.
Real installer experience across Daikin, Samsung, Midea, Mitsubishi, Worcester Bosch and LG systems.
Fixed quotes with no hidden surprises — no deposit requested, you pay once the work is finished.
Based in Havercroft, working across the wider region for boiler, air conditioning and heat pump installs.
Real feedback from real jobs — verified through Google.
Craig came out promptly, diagnosed the fault, ordered the parts and kept in touch throughout until the boiler was back up and running.
Had air conditioning fitted in three rooms — quiet, effective, and finished to a very clean, tidy standard.
Full team converted an old water tank system to a modern combi in a single day — great water pressure and left the house spotless.
Great communication, quality & attention to detail even when over coming a problem with my old style electric system in my garage.