PEXa vs HDPE
The industry standard for geothermal ground loops is HDPE pipe with fused joints connected to reverse-return headers. While these systems get the job done under ideal installation conditions, our innovative RAUGEO ground loop system performs even under challenging site conditions.
|Jobsite handling can be pretty tough on pipe.|
The enhanced durability of PEXa over HDPE provides a safeguard against all but the most severe abuses.
Rocks in the native soil.
It is not uncommon to have rocks in the soil of your loop field. With HDPE pipe, you must truck this native soil away and bring in sand, while with PEXa pipe, you can use native backfill.
Your well driller hits a snag.
The geological conditions are different than expected – making one of your boreholes shorter than the rest. Instead of accepting the reduced performance, a RAUGEO system will allow the installer to accommodate the truncated loop while still maintaining optimal system performance.
It begins to rain as your ground loop is being installed.
HDPE fusion joints cannot be made during inclement weather, so the crew will need to return later to complete the job. Our RAUGEO system’s joints can be completed in any weather conditions – rain or shine, hot or cold.
A few years after installation, a ground loop fails.
With a reverse-return header system, it is difficult for your system installer to pinpoint the problem, which can result in extensive downtime. With RAUGEO, you need only go to the manifold in your mechanical room to identify and shut off the failed loop. And if you’ve installed RAUGEO Double U-bends, which have two independent pipe circuits in each borehole, you can keep extracting energy with the healthy circuit.
By investing in RAUGEO, you’ll have a truly sustainable system to pass down to future generations.