Slash Your Energy Bills — Geothermal in Madison, WI
The earth stays 55° year-round. A geothermal system taps that free energy to heat and cool your home for up to 70% less — quietly, cleanly, for decades. Groundworks designs and drills it right.

Madison's Geothermal Specialists
Groundworks Geo does one remarkable thing: we harness the constant temperature of the earth to heat and cool homes for a fraction of the cost. For fifteen years we've designed and installed ground-source systems across the Madison area — from new builds to careful retrofits.
Geothermal is the most efficient HVAC there is, but only when the loop field is designed and drilled correctly. That's our craft: proper sizing, clean drilling, tidy site restoration, and a system that quietly saves you money for decades.
- ✓15 years designing & drilling geothermal
- ✓Loop fields sized and installed correctly
- ✓Careful drilling and full site restoration
- ✓Systems that pay back and last for decades
The Whole Geothermal Scope
Design, drilling, installation, and care — the complete ground-source system, done by specialists.
🌎 Every project starts with a free site assessment — soil, loop options, and payback.
The Most Efficient System on Earth
Literally. Here's why homeowners who can go geothermal, do.
Up to 70% Lower Bills
Moving heat instead of making it is dramatically cheaper than any furnace or AC.
26% Federal Tax Credit
The federal geothermal tax credit takes a big bite out of the upfront cost.
Silent & Invisible
No outdoor condenser, no noise — the whole system lives underground and inside.
Decades of Life
Heat pumps last 20+ years and loop fields 50+ — the last HVAC you'll buy.
Why Our Loop Fields Perform
Geothermal only saves money if it's designed and drilled right.
Soil & Site Analysis
We assess your soil and property to design the right loop type and size.
Correctly Sized Loops
Undersize the loop and efficiency tanks. We size it to your actual load.
Careful Drilling
Clean vertical or horizontal drilling with full site restoration afterward.
Commissioned & Balanced
Every system tested and balanced so it delivers the savings we promise.
Ready to stop burning money on heating and cooling?
A free site assessment shows you the loop options, the tax credit, and exactly how much geothermal would save you.

The Federal Tax Credit Makes It Add Up
Geothermal costs more upfront than a furnace and AC — but the 26% federal tax credit, the utility rebates, and up to 70% lower energy bills change the math entirely. For most homes, the system pays for itself and then keeps paying you back for decades.
We'll show you the honest numbers for your specific home: the credit, the rebates, the monthly savings, and the real payback period. No hype — just the case for the most efficient system there is.
- ✓26% federal geothermal tax credit
- ✓Utility rebates on qualifying systems
- ✓Up to 70% lower monthly bills
- ✓Honest, home-specific payback math
Geothermal Around Madison



Madison Homeowners on Groundworks
We put in a geothermal system when we built our Verona home and it's the best decision we made. Our heating and cooling bill is a fraction of our neighbors', the house is perfectly even, and the federal tax credit covered a big chunk. Groundworks designed the loop field flawlessly.
Retrofitting geothermal into our 1990s home sounded daunting, but Groundworks handled the loop drilling, the heat pump, and the tie-in cleanly. Winter heating that used to cost a fortune is now remarkably cheap — and dead quiet. True experts.
The loop-field design and drilling were done with real care for our property — restored beautifully afterward. Fifteen years of geothermal experience clearly shows. Our energy use dropped dramatically and the system just runs.
Geothermal FAQs
How does geothermal actually save so much?
A few feet down, the earth stays about 55° year-round. A ground-source heat pump moves that stable heat into or out of your home instead of burning fuel to make heat or running a hard-working AC. Moving heat is far cheaper than making it — hence up to 70% lower bills.
Isn't geothermal really expensive to install?
It costs more upfront than a furnace and AC, yes. But the 26% federal tax credit, utility rebates, and dramatically lower monthly bills change the math. For most homes it pays for itself over time — and then keeps saving for decades. We show you the honest, home-specific numbers.
Can I retrofit geothermal into my existing home?
Often, yes. If you have space for a loop field (vertical bores need little land), we can retrofit a ground-source system and tie it into your existing ductwork. Our free assessment tells you exactly what's possible on your property.
What's a loop field?
It's the buried piping that exchanges heat with the earth — either vertical bores (great for small lots) or horizontal loops (for larger properties). Correct loop design and sizing is the single biggest factor in geothermal performance, and it's our specialty.
Will drilling wreck my yard?
No — we drill carefully and restore the site fully afterward. Most homeowners are surprised how little trace is left. A well-installed loop field is invisible once the grass grows back, and it lasts 50+ years underground.
How long does a geothermal system last?
The indoor heat pump typically lasts 20–25 years, and the underground loop field lasts 50+ years. Combined with the low running cost, geothermal is often the last heating and cooling system a home ever needs.
Book Your Free Site Assessment
Tell us about your property and what you're planning — we'll assess your site, show you the loop options, and give you honest geothermal payback numbers.
- Visit usMadison, WI 53703
- Call us(608) 555-0179
- Email ushello@groundworksgeo.com