Geothermal drilling is the well side of a ground source heat pump project. It is the part D.N. Drilling handles across South Jersey. We bore the vertical wells that geothermal systems use to trade heat with the ground. In winter the loops pull warmth up. In summer they push heat back down. Your HVAC contractor sizes and installs the heat pump inside the house. We drill the bores, set the pipe, grout the holes, and run the header lines to the wall. The two sides of the job meet there. Each part stays with the trade that does it every day.
Most of our loop fields are closed loop. We drill a set of boreholes and drop a U-shaped HDPE pipe down each one. Then we grout the hole from the bottom up. The pipes join at a manifold and run underground to the house. A water and antifreeze mix circulates through them all year. Some sites work better as an open loop. That setup uses a supply well to feed the heat pump and a return well to put the water back. We drill to what your HVAC contractor has specified for the system. Depth and hole count follow the tonnage of the heat pump.
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The line between the two trades sits at the building wall. Everything in the ground is ours. That means the boreholes, the loop pipe, the grout, the header trench, and the stubs through the foundation. Everything past that wall belongs to the heat pump contractor. They size and set the unit, then connect it to the ductwork. Most jobs start with their load calculation. That number tells us how many tons the house needs, and the tonnage tells us how much bore to drill.
Working this way keeps the schedule clean. Your heat pump contractor gives us the loop design or the tonnage. We pull the NJDEP well permit and book the rig. Drilling a residential loop field usually runs one to three days, depending on how many bores the design calls for. After that the trench goes in and the stubs come through the wall. We pressure test the loops and leave them charged. Then the heat pump side takes over and makes the final connections.
Yes, and the sand is the reason. Much of South Jersey sits on the Kirkwood-Cohansey aquifer system, which is layer after layer of sand and gravel. Sand drills faster than the rock that loop fields hit farther north. Faster drilling means fewer rig hours per bore, and rig hours are the biggest line item in a loop field. The ground is also wet through most of the region, and saturated sand moves heat better than dry sand. Each foot of bore does more work for the heat pump.
Sand does bring one requirement. An open borehole in loose sand wants to cave. We drill with mud or temporary casing to hold the wall until the loop goes in. Grout then fills the space around the pipe from the bottom of the hole up to grade. It seals the bore so surface water stays separated from the deeper layers. It also puts the pipe in solid contact with the ground. NJDEP rules cover the permit and the sealing standard, and we work to them on every hole.
A vertical borefield needs less room than people expect. Designers usually figure 150 to 200 feet of bore for each ton of heat pump capacity. A four ton house might get four bores at about 200 feet, spaced 15 to 20 feet apart. That fits in a side yard or a corner of a back lot. Depth depends on the ground and the design. Deeper holes save surface area, and more holes at shallower depth save rig time. Your heat pump contractor and our drillers settle that before the permit goes in.
Access matters more than lot size. The rig needs a path to each hole location and room to set up over it. Drilling makes cuttings and water, so we plan where that goes before we start. We run out of Vineland and Clayton and drill loop fields across South Jersey. We look at all of this during the free estimate, before anyone commits to a design. If the property will not take a vertical field, we say so at that visit.
From the first look at the property to water proven at your tap, here is exactly how it goes.
A real person answers, takes what is happening at the house, and gets you on the schedule. A no-water emergency moves to the front of the line, whatever day of the week it is.
We check the property and the state well records for your block, then give you a free estimate with a real number. Depth, casing and pump size set the cost, so we look before we quote.
The rig or the service truck shows up when we said. Permits are filed before drilling starts, and the owners are on the machines. Anything unexpected down the hole, you hear about it right away.
The job ends with proof: yield checked, pressure holding, and the water tested. You get the paperwork, and the well record goes to the state. If anything acts up after, you call the same number.
Common questions about geothermal across all of South Jersey. Yours not here? Call and ask the crew directly.
When the taps go dry, we find out why. Our crew handles well pump repair day or night, from Vineland and Clayton to Cape May County. We answer the phone 24/7.
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Replacing a worn out well pump or pressure tank on shallow sand wells and deep coastal wells alike. New pumps sized to the well and to the water the house uses.
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We test well water across South Jersey, then build the treatment system the results call for. Iron filters, acid neutralizers, sulfur removal and UV disinfection, sized to your well.
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We install, replace and repair water softeners for well and city water homes. Every job starts with a hardness test, so the unit we size matches your real demand.
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An open well is a hazard on your property and a problem at closing. We seal unused and failed wells to state standards, then file the record with NJDEP.
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We drill and equip wells for farms, nurseries, campgrounds, and commercial buildings across South Jersey. That means bigger casing and higher pumping rates, sized to the water your operation uses each day.
View DetailsDrilling, pumps, pressure tanks, testing, treatment and sealing. The rigs and the service trucks belong to the same outfit, so one call covers the whole system.
A house without water is an emergency, and we run the operation that way. Call day or night. Phone triage is free, and if it needs a truck, a truck moves.
We look at the actual property and the well records for your block, then price the job in writing. You hear what is worth doing and what is not before anything starts.
Based in Vineland and Clayton, working six counties. We know what Cohansey sand, acidic water and shore-side salt do to wells here, and we drill and service for it.
No water, weak pressure, a well to drill, water that needs testing or treatment? Call or send the form and we will price the job from your property, free. For a house that is dry right now, the phone answers 24/7.
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