Humidity Response has a solution that enables
projects to stay on time and on budget.


The 4000E is a high capacity oil fired heater with a heating performance of 383kW for areas of up to 8,457m³. The fully portable heater is built to cope with a wide range of environments and is capable of 92% fuel efficiency when operating at full capacity. A weather-resistant, stainless steel lockable chassis allows for safe outdoor deployment even in the most rugged applications. Complete with an integrated thermostat for a desired temperature adjustment, the 4000E is available with up to 40m of ducting for extreme flexibility, making it ideal for building and construction sites, factories and agricultural locations.

Construction Drying

Emergency Contact

Our Flood and Water Damage Repair Specialists are based in Kent, South East of the UK and work across Southern UK from Kent to London to Surrey, Sussex and Essex.

24hrs Emergency Line
7 days a week

0800 5999 009



•  92%+ heating efficiency
    – for cost effective use

•  Fully automatic operation
    – can run unattended

•  Robust construction – will stand
    up to the rigour of industrial use

•  Option for 24” outlet or four
    12” outlets

•  Lockable casing
    – can be deployed outside

•  Max duct length 40m
  – flexibility when positioning unit

•  Thermostat connection
    – set desired temperature

•  Crane hooks and fork lift slots
     – to simplify delivery and


•  Nominal heating duty (max)
    383 kW

•  Air flow (max) 24,000 m3

•  Typical heated area 8,457 m3

•  Power supply 415 V 3 ph +E 50 Hz
    Run 20 A

•  Plug type BS4343 4 pin 3 ph 32 A

•  Generator size (soft start) 20 kVA

•  Noise level (max) 76.5 dBA @
    1 metre

•  Weight 1300 kg

•  Dimensions (L x W x H)
    3,850 x 1,200 x 2,015 mm

•  Duct length (max) 40 metres

•  Duct size 600 mm x 2

•  Control Manual (external
    controls available)

•  Fuel type Gas Oil

•  Fuel consumption (max) 38 l/h


•  Building and construction sites

•  Agricultural Locations

•  Warehouses

•  Retail and car showrooms

•  Sports halls and leisure centres

•  Exhibition halls

•  Factories

•  Marquees

Construction Drying
Construction Drying
Construction Drying
Construction Drying
Crane Lift
Damp Wall

Head Office

Humidity Response Ltd
Unit 21
Bircholt Road
Parkwood Industrial Estate
ME15 9GQ

Calls may be recorded for training purposes

Supporters of

h4h logo

Most of the work we do on your behalf will be covered by your insurer.
To support your claim we document the whole process to enable your claim
to be met by your insurer.
We produce a written quotation and document what we do from start to finish.
This includes photographs at the start, during the work and on completion.
When dealing with flood related issues moisture surveys are carried out during
the whole process so your insurer can monitor how quickly the property is
being dried or in some cases like listed properties not to quick.
The ultimate aim of any drying project is to issue the Certification of Dryness,
we offer the full range of structural drying, compliant with IICRC S500 standards.
Certification of Dryness for Building Insurance.
Our team work very closely
with the British Damage Management Association and are Accredited
Corporate Members of the BDMA
Many of the Insurance Loss Adjusters also hold certification from the BDMA
which has the huge advantage of all parties involved in a claim are
working to the same guidelines.

• 24/7 call out
• We have over 50 years combined experience
• Fully trained staff
• Insurance claim experts

We deploy the latest humidity technology combined with innovative
equipment to get your property back to normality as possible.
VELO AIR Mover 2


HEPA Air Scrubber

HEPA Air Scrubber

High Speed Air Mover

High Speed Air Mover

Small Dessicant Dehumidifier

Small Dessicant Dehumidifier

Large Dehumidifier

Large Dehumidifier

Large Dessicant Dehumidifier

Large Dessicant Dehumidifier

Large Low Grain Commercial Dehumidifier

Large Low Grain Commercial Dehumidifier


Commercial Dessican Dehumidifier