Innovative Design Makes TWISTERTM the Most Efficient Geothermal Heat Exchanger on the Market
TWISTER Geothermal Heat Exchanger is a breakthrough in vertical bore heat exchanger technology. Its patented design reduces the amount of bore required for geothermal projects. With TWISTER, you can simultaneously install 4 twisted loops in 1 vertical bore. By decreasing the amount of bore, TWISTER reduces the costs, complexity, time, and required space of geothermal heating system installations. Learn More Technical Information about TWISTER.
Proven Benefits of the TWISTER Heat Exchanger
- 20%-50% Less Drilling
- Cost Savings of about 20%
- Faster Installation
- Reduced Space Requirements
- More Efficient Operation
- Can Be Used in Residential & Commercial Applications
- Ideal for Properties with Limited Space
How the TWISTER Works
TWISTER Geothermal Heat Exchanger takes greater advantage of heat transfer properties and the heat capacity of the soil. Its unique design leverages bore space to achieve maximum efficiency. Even though it is more efficient, TWISTER’s installation procedure is the same as with standard pipe, so there is no learning curve and no special equipment is needed.
Plus, it meets requirements of the International Ground Source Heat Pump Association, as well as most state geothermal well specifications.
As a preferred drilling partner to Agreenability, we have found that the TWISTER works as promised, is easy to install with our standard equipment, and helps us to reduce the cost of our installations.
I have used TWISTER at for a number of residential and commercial projects at the request of the customer. The product has been easy to work with and my customer is satisfied with the results and I look forward to using it again on future projects.
As a driller I have used the TWISTER on several projects. In each case the TWISTER performed very well, was easy to install with our standard equipment and reduced the cost of the loop field.
Design a more cost-effective and efficient geothermal heating system with our advanced space saving vertical loop technology. TWISTER can be used in building applications of all sizes.
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Because TWISTER gets drillers off the project quickly, contractors can complete installation in less time. That equals greater productivity and substantial cost savings.
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Drilling can take up half the cost of a geothermal heating system installation. The TWISTER heat exchanger can save you up to 25% on installation costs and gives you a more efficient system.
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Agreenability Completes TWSITER Heat Exchanger Development
Agreenability today announced it has completed development of its much-anticipated TWISTER™ heat exchanger for residential and commercial geothermal heating and cooling applications. TWISTER™ is a patent-pending system representing a new vertical bore heat exchanger technology and which allows the simultaneous installation of four loops in a single vertical bore for greater efficiency and lower cost. Agreenability is a “green” company headquartered at the Business Accelerator at Bergen Community College in New Jersey.
Agreenability Founder in The Wall Street Journal
Agreenability Founder and CEO Robert Jensen is featured in the Wall Street Journal. Open PDF of this article




