What are Permanent Magnet (PM) Motors? Permanent magnet motors are ac motors that have magnets attached to or embedded into the surface of the motor’s rotor. Instead of using windings …
Evaporative cooling is a natural process. We even see it in humans as we sweat. But it can also be utilized to naturally cool down your greenhouse. Learn more about …
In these final days of summer, the last thing we want to think about is winter. But in no time, those cool summer breezes will become a frosty winter chill. …
Get the Light Right Light deprivation in a broiler or pullet house is a strategy producers use to mature their birds faster than the rate the birds would mature without …
As a dairy farmer, your livelihood depends on milk production, so it’s important to keep your cows cool and comfortable. Heat stress in dairy cows is a big concern, especially …
Not sure which ventilation system is right for you? Below we discuss the three most common types of ventilation systems; natural ventilation, tunnel ventilation, and cross ventilation. Natural Ventilation Natural …
When selecting a curtain system for your barn, there are a few key points to consider. The key points are design, installation, and type of material, opening and controlling your …
Since the early 20th Century, light deprivation in horticultural applications have been studied. It was discovered that the amount of natural light plays a vital role in the growth of …
To be the leader in agriculture ventilation has always been a goal of J&D Manufacturing. We’re extremely proud of our Air Movement Control Association (AMCA) accredited air test chamber. This …
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