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Knowledge FAQs

The CIBSE Knowledge Portal is where you can find all of CIBSE's guidance publications, most of which are available in both PDF and hard copy. This includes not only our core 11 publications, the CIBSE Guides, but also a huge store of Technical Memoranda, Applications Manuals, Commissioning Codes, Codes of Practice, and others. If you would like to see full lists of all publications by type, go to CIBSE Engineering Guidance

The Knowledge Portal also contains hundreds of peer-reviewed papers presented at CIBSE's Technical Symposium, an event held every Spring. These papers are freely available to all. 

Are you absolutely sure that you've paid your membership subscription for the year? Have you received any emails lately asking you to contact the membership department to make a payment? Have a look, and get in touch with us via [email protected] if you're not sure. 

Registration is one thing, and membership is another. Even if you're not a building services engineer, you can still become an affiliate member of CIBSE; that would entitle you to download Knowledge for free, and there are other benefits, too. Have a look here for more information: CIBSE Member Benefits

Yes, but only for your own use. PDFs - or anything cut and pasted from these - should not be shared with anyone else.

Yes. If circulation is limited and you will not be charging for it, you are free to use CIBSE content - as long as it is clearly acknowledged and referenced. 

The Propose a Project page should answer most questions. You can also get in touch with use by emailing [email protected].

Make sure the address you enter at checkout matches the one associated with your debit/credit card.  If the problem persists, please email [email protected].

Have a look at the Propose a Project page, which details the process. If you'd like more detail about authoring, see also our Guidance Notes for Authors

Once you have downloaded a CIBSE guidance PDF, you can always find it again on your 'My Downloads' page (however, we'd always encourage you to download it again, just to be sure you've got the most up-to-date version). 

Please note there is currently an issue where some users cannot access their knowledge items on their MyDownloads page. If your download does not appear on that page, please email [email protected]

Have you only signed up for student membership in the last few days? It takes a bit of time for us to check your credentials. Please be patient; it should be done within the week. If you're in a desperate rush, or if it's been longer than a week, email [email protected] 

As a non-member, you can register on the Knowledge Portal to purchase both hard copies and PDFs - and many PDFs are also free to all, including hundreds of Technical Symposium papers. 

No. Files downloaded from the CIBSE Knoweldge Portal are for the use of the downloader only. They may not be duplicated or circulated in any form for use by others, for re-sale or for any other purpose.

Yes, for a cost, and only with our permission. 

You can obtain permission to reproduce text, images or diagrams from a CIBSE Knowledge publication via PLSclear.

If you do not intend to publish your final work - for example, if it is a dissertation or thesis that will be submitted academically but not published - you do not need to request permission. Simply acknowledge your use of all CIBSE content, and ensure that the relevant CIBSE publication or publications appear in your reference list. 

Please note that we do not allow use of the CIBSE logo in non-CIBSE outputs. 
Guidance on use of the CIBSE Logo

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