Category / Offers

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  • Save on selected HVAC & IAQ products

    * Sorry! This promotion has now ended – head back to our Offers page regularly to see what we’ve currently got going.   As the end of another year draws closer, we…
  • Save on handheld AeroTrak Particle Counters

    * Sorry! This promotion has now ended – If you have an enquiry for indoor air quality monitoring equipment, contact us for a chat.   Who says it’s too early for presents?…
  • Get credit for your old HVAC or IAQ equipment

    * Sorry! This promotion has now ended – be sure to check our Offers page regularly for new good deals on HVAC and IAQ monitoring equipment.   Your old equipment deserves some…
  • Trade in your old butanol-based CPC and save

    *Sorry, this promotion has now ended. Check our Offers page to see what else is available, or send us a question and we'll get back you. Retirement can be sweet. We can…
  • Save at least 50% off ex-rental units

    Our ex-rental unit sale is back again for all bargain hunters, with significant savings on near-new and pre-loved units as we make way for fresh additions to our rental fleet. Available while stocks last.

  • Trade in and trade up to a new PortaCount

    * Sorry! This promotion has now ended – If you have an enquiry about PortaCounts or other offers on now, send us a message and we'll get back to you.   Looking…
  • Trade up and save 25% on a new TSI Water CPC

    * Sorry! This promotion has now ended – head back to our Offers page regularly to see what we’ve currently got going.   Out with the old, in with the new.  …
  • Save thousands with our HVAC packs

    *Sorry, this promotion has now ended, but we can still offer you a pretty good deal on new HVAC monitoring equipment, contact us for a chat. Good things come in small packages.…
  • Huge particle instruments ex-demo sale on now

    To round out the year, TSI is offering substantial savings on particle research ex-demonstration units, with up to 50% off list price. Terms and conditions apply. Available while stocks last.

  • Now’s the time to upgrade your 8520 DustTrak

    *Sorry, this promotion has now ended. Be sure to check our Offers page regularly, you never know what will come up. We hinted before that the 8520 would soon be unserviceable… it’s…

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