Commercial HVAC & industrial heating in Bradford and Leeds
Heating, cooling and ventilation for offices, warehouses, workshops, retail units and managed sites across West Yorkshire — installed, serviced and maintained by one contractor.
What we offer
From a single office split system to a full plant room refurbishment, our commercial team designs, installs and maintains heating and cooling across Bradford, Leeds and the wider Yorkshire region. F-Gas and Gas Safe registered, fully insured, and set up for out-of-hours work so your site keeps trading.
Commercial heating & plant rooms
Commercial boilers, cascade systems, pumps, pipework and controls — replacement, upgrade and repair.
Industrial heating
Warm air units, radiant tube heaters and destratification for warehouses, workshops and production space.
Air conditioning & cooling
F-Gas registered VRF, multi-split and cassette installs, plus statutory leak checks and servicing.
Ventilation & extract
Supply and extract ventilation, kitchen and workshop extract, filter changes and ductwork.
Planned maintenance (PPM)
Scheduled visits, asset registers, compliance certificates and one clear report per site.
Reactive breakdown cover
Priority response for contract clients, including out-of-hours call-outs when heating or cooling fails.
Why choose IJB?
- Gas Safe and F-Gas registered
- One contractor for heating, cooling and plumbing
- Out-of-hours and weekend working
- Compliance paperwork handled
- Multi-site portfolios welcome
- Bradford/Leeds based — fast on site
Frequently asked questions
Quick answers to what we get asked most. Need something more specific? Call 01134 660 840.
Need a job done properly? Talk to a Yorkshire engineer today.
Free quotes, fixed pricing where possible and Gas Safe registered work — from a quick repair to a full bathroom or heat pump install.

