Geothermal Heating and Cooling Calculator

Geothermal Heating and Cooling Calculator

Estimate peak heating load, peak cooling load, annual geothermal energy use, design flow, and seasonal ground balance for common residential loop and equipment combinations.

Peak sizing Climate, envelope, windows, solar gain, air sealing, and distribution losses combine into separate geothermal heating and cooling design loads.
Seasonal energy Adjusted COP and EER convert the annual heating and cooling load into realistic geothermal electricity demand for both seasons.
Ground balance The calculator compares annual loop extraction and rejection so you can see whether the site is heating-heavy, cooling-heavy, or close to neutral.

🏠Home Geometry

Use the heated and cooled footprint, not the whole property.
Higher volume pushes both sensible loads upward.

🌬Envelope and Climate

Geothermal System Inputs

Focus nudges the buffered design target toward the season you care about most.
Applies after the raw heating and cooling loads are calculated.

This screening model uses climate-specific full-load hours, source temperature adjustments, and geothermal performance curves to estimate both seasonal energy and first-pass equipment size.

📊Heating and Cooling Results

Recommended Size
0 ton
0 kW nominal geothermal size
Run the calculator to size heating and cooling demand together.
Heating Season
0 kWh
0 MMBtu delivered
Adjusted COP and winter entering water temperature drive heating energy.
Cooling Season
0 kWh
0 MMBtu removed
Adjusted EER and source stability set cooling electricity demand.
Ground Balance
Balanced
0 MMBtu seasonal shift
Loop extraction and rejection will be summarized after calculation.
Conditioned area0 sq ft
Indoor volume0 cu ft
Peak heating intensity0 BTU/sf
Peak cooling intensity0 BTU/sf
Heating design load0 BTU/h
Cooling design load0 BTU/h
Buffered heating target0 BTU/h
Buffered cooling target0 BTU/h
Adjusted COP and EER0 / 0
Entering water band0 F / 0 F
Design flow0 gpm
Runtime and aux share0 h / 0%

🧮Selected Profile Snapshot

This is a screening calculator for geothermal heating and cooling. Final equipment and loop design still need a full Manual J, Manual S, and project-specific geothermal design review.

📑Reference Tables

Climate Profiles and Full-Load Hours

Profile Peak heat Peak cool Heat FLH Cool FLH

Geothermal Unit Families

Family COP EER Flow Best fit

Preset Scenario Benchmarks

Scenario Area Peak heat Peak cool Nominal size Annual kWh
Use the dominant season, not just square footage

If the buffered heating target stays above the selected nominal heating capacity, the calculator will show auxiliary share. That is a clue to refine the shell load before final geothermal sizing.

Watch the long-term ground balance

Large negative seasonal balance means the loop extracts more energy than cooling gives back. Large positive balance means a cooling-heavy site that steadily warms the source field.

Ground-fontaj varmopumpiloj deliver renewable and efficient control of temperature for warming and cooling. They operate in buildings, schools, armeaj bases and whole neighbourhoods. Tera energy is renewable source.

Varmopumpiloj from ground and direct usage of geotermiaj technologies help about warming and cooling. Deeper geotermiaj systems mostly exploit warm water from big depths.

How Ground Heat Pumps Work

Geotermiaj systems benefit of the natural permanent temperature around the house for heat or cool it according to need. They use the stable heat of the shallow soil that oscillas between 4 and 21 grades Celzia for effectively exchange varmeco. That helps to heat the home vintre and cool somere.

The almost permanent temperature of the ground during the whole year gives ideal base for such solucioj. Excess varmeco go subterne either vice versa. The shallow ground acts as varmfontaĵo either varmfosego according to season.

Vintre liquor circulates through the installation absorb heat from the soil and bear it in the house. The geotermia varmopumpilo then intensify and distribute that heat. Somere everything inversiĝas: the system removes heat from the home and dump it in the cold ground.

Because of that geotermiaj klimatoinstaloj are much more silently than others. That operates almost everywhere in the world whether outside are 35 grades or only 15. Under the frostolinio the temperature stays stable during the whole year.

Like this geotermio are good for domestic warming and cooling.

Exist different kinds of geotermio. Ground-fonta exploit the finite range of underground temperatures for heating and cooling. Vera geotermio present much more deeply.

WaterFurnace varmopumpiloj use sunenergiion stored in the ground for heating, cooling and warm water. They have high initial price but are very efficient with low kurentkostoj. Implementation costs a lot and require expert specialists.

Horizontal installation requires much ground during vertical can be more expensive. Repair of underground tubes is difficult and costly. Despite that geotermiaj and aeroakvaj varmopumpiloj belong to the most progressing solucioj today.

Geothermal Heating and Cooling Calculator

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