About Alpha Air
Your specialist supplier of ventilation ductwork, fans, louvres, grilles, and dampers for commercial and industrial HVAC projects across the UK.
Who We Are
Alpha Air Ventilation Supplies Ltd is a UK-based supplier of high-quality ventilation products. Based in Leicester, we supply contractors, building services engineers, and facilities managers with the ductwork components and accessories they need to complete projects on time and within budget.
We stock an extensive range of spiral ducting and fittings, flexible ducting, inline and extract fans, fire dampers, weather louvres, ceiling and wall grilles, linear slot diffusers, and fixings — all manufactured to DW/144 standards and available for fast dispatch.
Why Choose Alpha Air
- Comprehensive stock range — Over 2,500 ventilation products ready to dispatch
- Fast delivery — Most orders dispatched within 1-2 working days
- Competitive pricing — Trade-friendly prices with quantity discounts
- Custom manufacturing — Bespoke louvres, grilles, and plenum boxes made to your specification
- Expert knowledge — Our team understands HVAC and can help you spec the right products
- Free delivery — On all orders over £250 (+ VAT) to UK mainland
2,500+
Products in Stock
48hr
Typical Dispatch Time
UK Wide
Mainland Delivery
DW/144
Quality Standard
What We Supply
Ducting & Fittings
Full range of spiral ducting from 80mm to 1250mm diameter, plus bends, T-pieces, reducers, connectors, shoes, saddles, and all associated fittings manufactured to DW/144 specification in galvanised steel.
Fans & Ventilation
Inline fans, case fans, plate fans, and fan accessories for commercial extract and supply systems. Trusted brands suitable for kitchen extract, toilet ventilation, general ventilation, and industrial applications.
Louvres, Grilles & Dampers
Weather louvres in standard and custom sizes with optional powder coating, ceiling and wall grilles, linear slot diffusers, fire dampers, and control dampers. Many items available in bespoke sizes manufactured to order.
Get in Touch
Whether you need help specifying products for a project or want to place a trade order, we are here to help.
Phone
Address
72 Cannock Street
Thurmaston, Leicester LE4 9HR