Patent #8857376

BrEasy is PigEasy’s innovative targeted ventilation system with proven benefits for
people, pigs, and pits. BrEasy is a movable plastic baffle with stainless steel
railings. BrEasy focuses the pit fan’s airflow to draw out the coldest and heaviest
gases from right above the manure line. It is installed between the pit fan and pit
wall opening. BrEasy is easily managed with a visual pit indicator and cable turn
system. No modifications to the pit fan are necessary.

Click to Enlarge
Click to Enlarge

Why BrEasy Works

With a typical pit fan most hog barn operators make the assumption that the air is pulled from the pit. In fact, with a typical pit fan, air is drawn from the closest point. Thus, heavy gases remain right above the manure. This chokes off the pit until manure levels rise substantially.

(NOTE: over 90% of manure microbial activity occurs in the top one-inch layer.)

Click to Enlarge
Click to Enlarge

BrEasy is installed between the pit fan and pit wall opening. When you install the BrEasy with your existing pit fan, gases are pulled from right above the manure level, so the coldest, heaviest, most toxic gases are removed. Warm, ventilated good air remains in the barn. Because BrEasy generates less overall air turbulence, you have more control of the air environment at the pig level. BrEasy is easily managed with a visual pit indicator and cable turn system. No major modifications to the pit fan are necessary.

Proven Benefits for People, Pigs, and Pits

A university study found that BrEasy reduces in-barn ammonia by 32% and the odor by 43%. The study was conducted in four barns in west central Iowa in 2017. The four barns in the study were each different types of barns: double-sided, double long and an individual 1,000-head barn. The barns were at various stages of the hog production cycle. On each of the four sites, there was a control barn and a test barn.

The study was conducted starting in January through April 2017. Samples of the air content and quality were taken in each of the barns every two weeks. The Iowa State University study resulted in findings that clearly demonstrate a reduction in in-barn ammonia and overall odor levels. With BrEasy targeted ventilation installed, gases don’t have a chance to accumulate in the pit and pig space resulting in a healthier environment for pigs and people. Further, with less ammonia present corrosion of the building infrastructure is decreased, which then contributes to the facility’s longevity.

The results here show significant improvement in the reduction of ammonia in the air of every barn in which BrEasy was installed for this study.

The study concluded that odor was reduced in each of the barns installed with the BrEasy. Further, the lead researcher asserted that it is “reasonable to assume that decreased odors in the barn will decrease odors outside of the building.”

The lead researcher states in the conclusion of the study: “overall our results indicated that [the BrEasy] improved air quality in the barn significantly reducing both odor and ammonia, with reductions of 25 and 30 percent on average.”*

*Anderson, Daniel, PhD, EIT. “Evaluation of ‘Ventilation Sock’ (now named the BrEasy) for PigEasy.” Agricultural and Biosystems Engineering Department. Iowa State University. June 2017

Additional Benefits

ISU study participants observed additional benefits of the BrEasy in their barns:
Click to Enlarge
Click to Enlarge

Expanded Study

PigEasy approached New Fashion Pork (NFP), a large hog production company based in Jackson, Minnesota, to seek their participation in a test study to determine whether the installation of the BrEasy would reduce the amount of heat used during the winter. The test study was conducted in a southern Minnesota site from January to May 2018.

Click to Enlarge

The nursery was chosen because the quick fill time allowed the BrEasy test study to occur over multiple turns within a season, on one site and in one of their buildings – with the same opportunity for measurement of improvement in heater run times with the same management and the same fans.
On the New Fashion Pork site, BrEasy was installed in a four-room nursery. Each room had a 1200-head pig capacity. BrEasy was installed in Rooms 2 and 4. Heater run times of inner Rooms 2 and 3 were compared to remove the variability of the external walls. Note: Room 3 was the test’s control room.

Click to Enlarge
Click to Enlarge

For pig mortality comparison, Rooms 2 and 4 were compared with Rooms 1 and 3.

The results of all of the three turns demonstrate consistent outcomes: a reduction of heater run times and lower mortalities.

Click to Enlarge
Reduced Death Loss with BrEasy
Click to Enlarge

The previous two charts put into dollars and cents savings the results of the run time reduction and lower mortalities.


  • Simple installation between pit fan and pit wall opening
  • Simple management with visual pit indicator and cable turn system
  • Stainless steel railings and brackets for added longevity
  • No major modifications needed to existing pit fan
  • Plastic baffle can be removed and stored when manure is high enough



  • Consistently better air quality
  • Heaters run less – less temperature variation
  • Decrease in carbon monoxide
  • Fewer drafty areas
  • Drier environment
  • Less eyes/ears/nose irritation


  • Lower minimum fan speed, less heater requirement
  • Decreased propane usage
  • Slats warm up and dry off faster after wash down


  • Closes off open pump out
  • This stops the backflow of air into the barn
  • Decreased “gas release”
  • Safer for pigs and people
  • Less stress on animals


  • With removal of heavy gas, aerobic bacteria flourish
    –  Aerobic bacteria growth is due to access to air
    –  Keeps manure surface liquified
  • Less pit crusting minimizes the nuisance of flies
  • Better environment for microbes to flourish year round
  • Enhances pit additive effectiveness
Product Overview


Other PigEasy Products

Product Reviews

BrEasy User

“Overall our results indicated that the [BrEasy] improved air quality in the barn significantly reducing both odor and ammonia, with reductions of 25 and 30 percent on average.”

BrEasy Installation Instructions

The BrEasy is designed to provide you with an easy and effective way to improve the air quality in your barns – easy to install, easy to manage. Contact PigEasy for more information on BrEasy installation.

Ready To Order?

CALL US NOW (888)-354-0112