family run business
A complete ventilation service
It is a requirement for all buildings, regardless of age, to balance the control of air throughout its walls.

Ventilation design and supply
JJ Engineering Co. offers a complete service design, supply & Installation across the South East of England.
Our systems can supply and extract fresh or tempered air.
From kitchen canopies to industrial, commercial or larger domestic applications, we can meet your needs.
We also offer preventative maintenance contracts to keep these systems in peak performance, inclusive of complete
cleans and part replacements.
Whatever the size of your premises, we can select the correct products to suit your application whether the system is just a wall fan or
a fully integrated ducted ventilation system.
Industry standards met
All the products we supply meet with the relevant British Standards regulations and our ductwork, rectangular or spiral wound is manufactured and installed to comply with DW142 and DW144 specifications.
Kitchen extraction canopies can be manufactured from stainless steel to meet your individual requirements.
Each kitchen canopy would be complete with filter bank housing and grease filters, and oil traps/trays.
Ducted gas-fired warm air heating systems can provide economical heating to large retail units and warehousing facilities.
Each unit would include all necessary controls to comply with current gas statutory regulations.
