About Us

Hotchkiss Air Acoustics (HA2) is a sub division within Hotchkiss Air Supply, part of the Hotchkiss Ductwork Group. Ha2 operates from the Maidstone branch of Hotchkiss Air supply and offers a variety of acoustic products and services to the HVAC industry.

The key personnel for HA2 have over 55 years of experience in the specialist area of Building Services acoustics.

HA2 offer a range of acoustic products and services keyed to the Building Services industry. Design analysis is available for attenuation requirement, for air movement systems, as is remedial works assessment, for noise pollution issues. Acoustic survey work is also available from HA2, using leading industry standard noise measurement instrumentation.

The HA2 acoustic product range can be summarised as follows:-1

RAF flanged rectangular attenuators, available in a vast range of sizes, acoustic performances, free area and construction specification options, from 300W x 300H x 600L to 3000W x 3000H x 3000L.

RAS/ RASS spigot connection rectangular attenuators, available in a range of sizes, acoustic performances, free area and construction specification options, from 100W x 100H x 300L to 900W x 600H x 1500L.

FOS acoustic splitters, purpose designed individual elements to allow attenuation required for any air movement system to be "built in" to builders work shafts or chambers.

LA acoustic louvres, a standard range of single or double bank acoustic louvres for plant noise to atmosphere applications. Available as single module items, from 450W x 450H to 1500W x 2400H, also in multiple modules, to form a "bank" of louvres, to any practical size requirement.

C3 & C4 circular attenuators for "on fan" axial flow fan applications. Available in all standard fan sizes offered in standard 1x fan dia or 2x fan dia length options and non standard lengths and diameters upon request.

CR25 circular attenuators, for all "small" diameters circular duct applications, available in all the standard circular duct sizes and in 300L, 600L, 900L & 1200L length options. Non standard sizes available upon request.