Geothermal (ground-source) systems are highly efficient and can cut heating and cooling costs by $500 to $1,500+ annually. However, high upfront costs of $ 20 , 000 to $ 50 , 000 + mean they generally only make financial sense if you plan to stay in your home long-term or need to replace a dying HVAC system.
While geothermal heating is more energy-efficient than traditional systems, it still has some environmental drawbacks: ✔️ The system requires electricity to run the pump, meaning it's not completely off-grid. ✔️ Closed-loop systems use antifreeze for heat exchange, which may be concerning for eco-conscious homeowners.
Installing a geothermal heat pump for a 2,000 sq ft house typically costs $20,000 to $40,000 completely installed. The exact price depends heavily on your local ground conditions and whether you need horizontal trenching or vertical drilling.
The Residential Clean Energy Tax Credit covers 30% of the total system cost, including installation, of GeoThermal heat pumps meeting the requirements of the ENERGY STAR program. Under the One Big Beautiful Bill Act (OBBA) passed in July 2025, the new GeoThermal system must be placed in service by December 31, 2025.
Geothermal energy is a highly reliable renewable resource, but it comes with five major disadvantages:
The main problem with geothermal energy is its strict location dependency. It is incredibly difficult and expensive to scale globally because it requires highly specific geological conditions. You need a unique combination of intense subsurface heat, natural water reserves, and porous rock just to tap into the energy.
Geothermal energy is clean energy that produces almost no air emissions and has a very small footprint.
The 25D geothermal tax credit will cover up to 30% of your geothermal project's eligible costs. There's no cap, or maximum dollar amount, for projects that qualify under this tax credit. However, all purchases and installations must be completed by Dec. 31, 2025.
For the 2025–2028 tax years, individuals age 65 or older by the end of the tax year can claim an additional $6,000 deduction ($12,000 for married couples) under the "One, Big, Beautiful Bill". This deduction requires a Modified Adjusted Gross Income (MAGI) below $75,000 for individuals ($150,000 joint) and is available regardless of whether you itemize or take the standard deduction.
If your heat pump is unexpectedly expensive to run, the most common culprits are inefficient auxiliary/backup heat, high local electricity rates, or a system that isn't sized properly.
Geothermal heat pumps are incredibly durable, with the indoor pump components typically lasting 20 to 25 years. The underground ground loop system that transfers heat is built to last 50 years or more.
In Iceland, nearly 90% of homes are heated with geothermal water, directly using the Earth's natural energy. This renewable and clean system has reduced the need for fossil fuels and cut emissions significantly. It is one of the main reasons Iceland is considered a global leader in sustainable living.
Geothermal well depth varies based on their intended use. Shallow wells, for instance, are often drilled for residential heating and cooling applications. Average Depth Range: 100-400 ft.
Geothermal isn't used more because it is highly dependent on specific geography, requires massive upfront capital for deep exploratory drilling, and carries a high risk of unsuccessful wells.
While geothermal systems are known for their longevity and low-maintenance requirements—in comparison to traditional HVAC units—it is still best practice to schedule a professional geothermal heat pump inspection at least once per year.
With an impressive A+++ rating in energy efficiency, the Kensa Evo is the most efficient ground source heat pump in our range. The Evo's intelligent touch-screen controls and sophisticated design add to its performance and appearance.
The tax deduction for seniors over 65 or older is a new tax introduced with the One Big Beautiful Bill Act. It allows them to claim an additional deduction of up to $6,000 on top of either: The base standard deduction (available to all Americans) Itemized deductions.
The most chronically overlooked tax deductions are state sales tax (valuable if you made major purchases or live in a state without income tax) and out-of-pocket charitable expenses. Because taxpayers focus on major items like mortgage interest, these small-but-mighty write-offs frequently slip through the cracks.
Yes, you can deduct Medicare premiums, including Parts A, B, C (Medicare Advantage), and D, as well as Medigap premiums. However, how you deduct them depends on whether you are self-employed or retired/W-2 employed.
If you invest in renewable energy for your home (solar, wind, geothermal, fuel cells or battery storage technology), you may qualify for an annual residential clean energy tax credit of 30% of the costs for qualified, newly installed property from 2022 through 2025.
While highly efficient and sustainable, geothermal heating has significant drawbacks. The primary disadvantages are high upfront installation costs, site-specific installation challenges, and a continued reliance on electricity to power the heat pump.
Basically, the de minimis safe harbor allows businesses to deduct in one year the cost of certain long-term property items. IRS regulations set a maximum dollar amount—$2,500, in most cases—that may be expensed as “de minimis,” which is Latin for “minor” or “inconsequential.” (IRS Reg. §1.263(a)-1(f) (2025).)
While air temperatures can change from freezing cold in the winter to scorching hot in the summer, the temperature of the ground just 6 or more feet under the surface remains steady at approximately 55 degrees Fahrenheit throughout the year.
The best green ways to heat your home (+ extra tips for green living)
The cleanest energy sources are those that emit zero greenhouse gases during operation. Wind, solar, and nuclear power are considered the cleanest. While wind and solar produce no emissions and no waste, nuclear power is unmatched in its reliability and energy density, producing vast amounts of electricity on minimal land.