Technical Support

Air Handling Unit Selection Help

The following questions which you can answer online below, or if you prefer by FAX (download form here) are aimed at helping you with the optimum selection of AHUs whatever the stage of your project e.g determining the approximate size of units at the preliminary design stage, costing for budgets, establishing equipment specifications for ventilation, heating, cooling, and heat recovery.

APPLICATIONS

Application
If other, please specify

BUILDING SPACE LIMITATIONS

Width (m)
Length (m)
Height (m)
N.B. Unit dimensions will be selected to give good service access.

BUILDING

Type of building
If other, please specify
AHU location

AIR PERFORMANCE

SUPPLY AIR
EXTRACT AIR
Supply volume flow (m3s)
Supply external static pressure (Pa)
Extract volume flow (m3s)
Extract external static pressure (Pa)

FANS

Fan type
Inverter controls

FILTRATION

Prefilter grade
Main filter grade *
Absolute (HEPA) filter
Other filters

HEATING

Preheating
Preheating 'Air On' Temp (°C)
Preheating 'Air Off' Temp (°C)
Main heating
Main heating 'Air On' Temp (°C)
Main heating 'Air Off' Temp (°C)
Tick here if you wish to consider using a heat pump?

COOLING

Cooling method
If other, please specify
AIR ON TEMP
AIR OFF TEMP
Dry bulb on (°C)
Wet bulb on (°C)
Dry bulb off (°C)
Wet bulb off (°C)
If chilled water, water temperatures
If other temperature please specify
If DX cooling - refrigerant used
Evaporation temp (°C)

HEAT RECOVERY

Heat recovery method
Is by pass required

SOUND LEVELS

Are there any unit sound level targets
If yes please specify below
N.B. A full sound spectrum will be provided for the unit selected.

ADDITIONAL

Additional information - requirements

YOUR DETAILS

The following information is only requested to enable us to communicate with you clearly on this specific AHU design. We understand that you may wish not to name the project but simply use some identifying project reference number.
Project reference *
Unit ref *
Company name *
Contact *
Email address *