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Air
Tightness Information Pack - PDF download
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HRS air test personnel are all highly experienced in both testing and air sealing work. This gives them practical on-site knowledge of real air sealing issues and how to solve them on-site
HRS air test prices include supplying a portable smoke generator and smoke pencils to help pinpoint individual air leakage paths on the day of test, if necessary.
All intentional ventilation openings should be temporarily sealed for the air tightness test.
All H and V plant should be turned off.
All drainage traps should be filled with water or sealed.
All air tight plenums should be opened up so that a free flow of air through them is possible.
All external doors and windows should be firmly closed and locked for the air test.
All internal doors within the building or zone to be tested should be open.
The maximum wind speed that HRS can carry out air tightness tests is approximately 18 - 20 mph.
HRS air test price usually includes for the installation of temporary screen at time of test (Contact HRS regarding air test door location and size requirements)
HRS have several units of all our fan types available, giving even greater flexibility in testing
NB: For all tests: - Fan location opening must allow for air flow to all areas of envelope under test, e.g. by opening all internal doors, etc...
Self contained. Hydraulically powered from HRS van - needs no on-site power
Double fire / entrance or a loading bay door. Minimum clear opening width 1350mm required. Maximum floor step - internal level above external - 300mm.
HRS air test price generally includes for building temporary screen,
for example in double doorway. However, e.g. a loading bay door, a temporary
screen may need to be built by the client. Contact HRS
Temporary MIDIfan screen details(PDF file)
Schematic Diagram(PDF file)
Location door is required to be accessible by HRS 3.5t, long wheel-base van, parking within 5m of doorway to provide power to fan via hydraulic hoses.
The ground to be cleared, level and firm for 5m area outside opening, to assist in installation of fan.
Portable units useful for restricted areas. Minimal clear area required for set up. Minimum clear opening width 900mm required
'Stackable' units - two units in a single door or four in a double door being typical
240v 30amp mains powered, fully breaker protected. If this is not available on-site, HRS can provide a suitable generator
Client's on-site person required to assist with set up if level, clear access to location door not available
Self contained. 2m diameter, truck mounted air test fan- the largest in the world?
Typical set up is a loading bay door with 1.2m high dock leveller. Clear
access required for 7.5t truck to doorway. Temporary screen may need to
be built prior to test. Contact HRS.
MEGAfan temporary screen details(PDF file)
Schematic Diagram(PDF file)
Portable units useful for restricted areas. Minimal clear area required for set up. Minimum clear opening width 300mm - 100mm, dependent upon which of our range of LVF fans is required
240v mains powered, fully breaker protected. If 240v 30amp mains power is not available on-site, HRS can provide suitable generator. Contact HRS if this is the case
Client's on-site person required to assist with set up if level, clear access to location door not available
