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Low Temperatures and High Propane Costs!!

SV Heat Harvester

The Heat Harvester is built with all plastic and PVC construction that will never allow deterioration. The motor can be pulled out easily for repair or maintenance. We have built in hangers for ease of installation and maintenance. This unit was developed and tested in our own finishing facilities and in a locally owned SEW barn. The farmer’s comments included, “I need a couple more…the air is very fresh and comfortable…mortality is definitely lower in this room.” Both barn situations required no cleaning other than the normal between-groups cleaning and maintained efficiency throughout. Just use the PVC wand we manufacture through the tubes at appropriate pressure and it’s ready to go! This cleaning seems to take about 20 minutes for a thorough job and we have incorporated lots of access hatches (requiring no tools) for cleaning and inspection.

New for the winter of 2015/16!!  We have a powerful new Heat Harvester for pit ventilation situations!  Replace your doghouse with a pit heat exchanger and improve air quality and save money!!

Heat Harvester Economics 101

In a barn being kept at 18 degrees C, we recorded an average of 20 C increase in incoming air. (For example, -13 C became 7 C.) 

BTU=heat rise x 1.1 x CFM 

Our exchanger recorded a heat rise of an average of 36 degrees Fahrenheit. The fan on the inlet side (12 inch) gives 1000 CFM. 

BTU = 36 x 1.1 x 1000 = 39,600 per hour 

One Litre of propane contains 24,200BTU’s and let’s assume $.60/l. 

The value of the heat recovery in an hour is $.98 The value of the heat recovery in a day is $23.56 

The value of the heat recovery in a 1 month cold snap is $706.90!  Plan on buying one today, and then use the money you save with it to do better things!

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SV Enterprises
Ron Van Bakel
R.R. # 1 Sebringville, Ont.
N0K 1X0

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