Established in 1984 Mistral is proud to be widely considered the 'generic' software system provider for the refrigeration & air conditioning industry. In its domestic market, Mistral software is used by more than 85% of refrigeration & air conditioning contracting firms and programs have been distributed to over 25,000 users in over 140 countries around the world.


Mistral Expert System software
Corporate program compendium, main 60 advanced core features

With the exception of access by multiple users these features also apply to Subscription Licences

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Corporate Programs and Interactive Databases compendium
Multi-User access licence via annual contract management fee
1   All programs regularly 'Code Signed' by Microsoft Corporation as safe for operation on your PC
2   All programs 'Dynamically Error Trapped'. Unique but indispensable
3   Unique, 'Intelligent Logic' program coding. 'Observes' developing design so as to bypass
   subsequently redundant inputs. At the same time allowing full editing of earlier inputs.
   Without compromising dynamic error trapping. Ten times the coding effort resulting in three to
   four or more times program operational speed
4   Unique, 'Return Key Navigation'. Optional to standard Mouse navigation. Annalises developing
   design and by single press of Return (Enter) key automatically takes user to next logical input
5   Fully Parallel operation. Not sequential! Affording maximum flexibity, speed and experimentation
6   Networked program installation option
7   Programs automatically adjust for either comma or period (full stop) decimal point deliminator
8   'Airwind' Air Conditioning and heating load calculation. Multiple-rooms
9   'Cellwind' Dedicated Beer & Wine Cellar load calculation to recognised industry specifications
10   'Coldwind' Refrigeration cold room, freezer, blast freezer etc., load calculation. Multiple-rooms
11   Miscellaneous heat load sources, interactive, databases with Run Time and Power Factor controls
12   Automatic Solar Azimuth and Declination adjustment, globally to 250 metre planet surface and
   15 minute interval accuracy. Full user seasonal adjustment controls. Mean and peak load reports
13   4 million+ 'Grid Size' Quick Selections pre-engineered solutions, selectable in around 7 seconds
14   Unlimited walls and angles of walls to each other on zoomable, graphical room plan designer
15   Single and Compound materials, wall, ceiling, floor construction creators, with automatic U values
16   Interactive, complete fenestration databases, with shading and variable ground surface reflectance
17   Pitched roof options and specific agricultural product store design
18   Ground floor or intermediate floor location with editable TD or mean sub-strata temperature
19   Variable construction and insulation materials within single design, even within single wall length
20   Variable TD options across construction wall and ceiling surface total or partial areas
21   Graphically driven interfaces and multiple choice menus for fast construction design flexibility
22   Scientifically calculated terrestrial Albedo factor, surface reflection and shading adjustment
23   Interactive Product and product storage equipment Thermal Properties illustrated databases
24   Switchable external or internal room dimensioning with automatic area and volume calculation
25   Default recommended defrost running load automatically entered along with optional user over-ride
26   'Prepwind' Dedicated Food Preparation Room refrigeration load (and winter heating) calculation
27   'Pipewind' Refrigerant Pipesizing. Multi-circuit. Circuit Zoning. Quick, pre-engineered designs
28   'Coolwind' Unit Cooler Selection. Singly or multiples
29   'Compwind' Compressor Selection & pack design
30   'Condwind' Condenser & Condensing Unit selection. Singly or multiples
31   'Packwind' Packaged Refrigeration Unit(s) selection. Singly or multiples
32   'Splitwind' Packaged A/C Split System selection. Singly or multiples
33   Estimated unit cooler fan load automatically entered with option to import manufacturers' data
34   Automatic equipment Sound Pressure Level calculation with distance and unit quantity adjustment
35   'Valvewind' Refrigeration Expansion Valve selection
36   'Metwind' Interactive Graphically driven World Meteorological Database
37   RAC product selections automatically display colour and dimensioned images from 157,000 file
   Cloud database. Images exportable to customer quotation generator
38   Automatic graphical Cooler/Condensing unit Balance Point calculator
39   Dedicated Refrigerated Container (TEU Reefer sizes) load calculation
40   Dedicated Refrigerated Eurotainer (aircraft perishable product container) load calculation
41   Cold room shelving interactive databases with 'Drag & Drop' images to room design drawings
42   Cold room, multi-national, Electrical Power Consumption calculator. Tariff updatable
43   Interactive digital multi-lingual Psychrometrics calculator including formatted instant results printout
44   Dynamically linked & focused, illustrated Help pages. In plain, easy to understand, jargon free text
45   24/7 Pre & Post installation support via Email
46   Special Feature Code program operation controls adjustment (except Corporate Lite)
47   Fully 'active' calculation recovery filing system for project full future editing
48   All Mistral program upgrades Backwards Compatible with all previously saved results files (30+ years)
49   Automatic Customer Quotation generation. User customizable Standard Paragraphs and text
50   Editable interactive databases (except proprietary, sponsored and certified, RAC selection databases)
51   All proprietary databases independently verified by data owners or appointed representatives
52   RAC selection database creation Freeware included, along with instructions and design templates
53   Ten Language switchable post installation. Run and save calculation in one language. Send to a
   colleague to open (and edit) in a different language
54   Real time, instant Imperial to SI (Système International d'unités) switchable post installation
55   Standard RTF and Adobe PDF, Presentation Quality results printouts
56   Tiresome jargon, both Refrigeration industry and 'computer speak' eliminated wherever possible
57   256 character calculation file name AND file TITLE Search Engine
58   Free Upgrading & Updating. Throughout Contract duration
59   Unassailable, four decade long world benchmark setting reputation. Reliable and trustworthy
60   Annual, low cost, access and management Licence fee, 'Fixed in Perpetuity' (subject only to inflation)