Constant Climate

Constant temperature-control: constant peace of mind. Our state-of-the-art cold chain product, Constant Climate, ensures pharmaceutical, bioscience, and healthcare products stay cool throughout the entire journey, arriving at the final destination in pure potent and stable condition.

Wide options of container leasing available

Wide options of container leasing available

Compliant to Good Distribution Practice (GDP) and IATA TCR

Compliant to Good Distribution Practice (GDP) and IATA TCR

Temperature-control is considered throughout the journey

Temperature-control is considered throughout the journey

Active Solutions

Sophisticated heating and cooling containers, which maintain stable internal temperatures from -20°C to +25°C.

For Active bookings, please download, fill out the form and return it to your local IAG Cargo office.

Active solutions

Passive Solutions

Designed for pre-packaged, temperature-sensitive materials and can use cold-packs or dry-ice tech to further protect pharmaceutical products.

For Passive bookings, please download, fill out the form and return it to your local IAG Cargo office.

Passive solutions

Is your shipment urgent?

When your temperature-sensitive cargo simply must fly, combine our Constant Climate and Critical services for the highest priority, which includes:

  • Guaranteed capacity

  • Fast-track check-in desks at London Heathrow and Madrid Barajas Airport

  • No restrictions on size, weight, or volume

  • Enhanced shipment monitoring

Our Network

Air cargo is the fastest and safest way for pharmaceutical products to travel. Our network spans more than 350 destinations and offers 2,000 same-day connections, with over 100 Constant Climate network stations around the world, and dedicated pharmaceutical facilities at our three Constant Climate hubs.

Click on each hub to learn more.

London hub - large

Residing at one of the world’s busiest airports, our London Heathrow hub is the only cargo airside facility to be GDP certified and WDA licensed by a national competent authority: the UK’s Medicines & Healthcare Products Regulatory Agency (MHRA).

DUB hub - large

This hub is certified under the Irish Exporters Association (IEA) GDP Passport programme. It provides direct access to over 10 destinations in the US and Canada for the growing pharmaceutical industry in Ireland.


This hub has a GDP-certified Constant Climate centre. It boasts over 900m2 of space and plays a key role in the routing of pharmaceuticals between Europe and Latin America.

Explore New Premia

Learn about our new cutting-edge, temperature-controlled facility at London Heathrow for handling premium freight. A Constant Climate Quality Centre that makes handling temperature-sensitive shipments look like a breeze.

The facility has been designed to handle more cargo for customers as efficiently as possible, with 11 new landside doors, meaning even faster engagement for drivers to collect or drop off cargo.



Booking Window

Up to 14 days before STD

Freight and Document Cut Off

150 min before STD*

Freight Availability

90 min after ATA*

Connection Times

LHR: 180 mins unitised / 240 mins loose** | MAD: 240 mins unitised / 300 mins loose**

Please refer to local teams for network stations.

Weight and Volume Limits

Subject to aircraft type and unit loading device.

Booking Restrictions

No Dangerous Goods or product of animal origin via LHR.We permit Dangerous Goods in ‘excepted quantities’ as intact only through LHR.

Recovery Promise

In the unlikely event that your cargo does not fly as booked we will notify you within 2 hours of ATD. We then ensure your cargo arrives at its destination within 24 hours of the original STA subject to flight schedule.

Track and Trace Availability

Track the status of your cargo here.

Allocations Accepted

Special Handling Code

Active - ACT | Passive - PCT

*Subject to station capability. Please consult your local station for further information.

**Subject to schedule