Nov 02 2026
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The most useful farm assistant won't be the one that talks the most. It will be the one you can trust with your records.
Read morePart of the Semios Group(opens in a new tab)
Connected frost protection when it matters most
Altrac auto-starts your wind machines based on local conditions and lets you monitor and control every machine from your phone, so you can protect your crop without spending the night in the field.
Altrac is part of the Semios Group, one of the world's leading independent providers of agtech solutions. Learn more about the Semios Group and the other brands that are a part of it.
A partner on every frost night
When you choose Altrac, you get more than a controller. You get a team that understands frost protection.
- Works with your machinesInstall on virtually any wind machine and integrate with your existing autostart controller or thermostat.
- Simple to install, easy to useGet up and running quickly, and manage more machines per person from day one.
- Support when you need itOur support team and partner distributors are a call away throughout the season.
- Backed by the Semios GroupPart of a global ag-tech group and the Smartfield® family of connected farm products.
Know the moment something's wrong
Altrac tracks air temperature, engine status, RPM, battery voltage, fuel level and runtime on every machine. If a machine fails to start or something looks off, you'll get an alert by text, email or phone call, so you can fix it before it costs you.
Automate your frost response
Set your start temperature and let Altrac auto-start your machines based on local conditions. Controllers check in every 15 minutes, and every 60 to 90 seconds as temperatures approach your start point.
Cut fuel and labor costs
Start and stop machines from your phone with a single tap. Shut them down at sunrise when protection is no longer needed, and skip the overnight drives to check every block.
Make every season better than the last
Daily, monthly and seasonal reports show how each machine performed, from runtime and fuel use to early signs of engine trouble. Use them to plan maintenance and fine-tune your frost strategy.
Works with the wind machines you already run
Altrac integrates with Amarillo Wind Machine, H.F. Hauff and Orchard-Rite wind machines, as well as electric wind machines.
See compatible modelsRecent from the Altrac blog
Frost management insights and updates:
Oct 18 2026Agtech is only as good as the advice behind it
Learn why farm tech choices deserve hands-on advice and ongoing support.
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Oct 11 2026Building a different kind of agricultural technology company
Modern farm management isn’t about collecting more information, it’s about making information matter across an entire operation
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