DARCY SOLUTIONS, INC.
Advection-driven ground source heat pump (AGHP) system that reduces geothermal HVAC installation and operating costs through water-based heat transfer innovation
- Sector
- Clean tech
- Headquarters
- EXCELSIOR, MN
- Founded
- 2018
- Latest Form D
- $525K, Jan 2020
- Total capital
- $4.3M
- Federal grants
- $3.8M
- 6 awards · 2019–2024
- Rank in peer group#8 of 23
- Private capital raised
- $525K
- 1 Form D · last Jan 2020
- 81 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 2
- 7 pending · first 2025
- Rank in peer group#10 of 23
Capital timeline
Latest events
- Federal grantAgriculture · ** Awards Issued Prior To January 20, 2025, Were Funded Under Previous Administrations And May Not Reflect The Priorities And Policies Of The Current Administration.** Buildings Contribute About A Third Of Global Energy Consumption And A Quarter Of CO2 Emissions, And Heating And Cooling Constitute Approximately 38% Of Building Energy Consumption. Emissions Associated With Electricity Use Have Been Decreasing Since Approximately 2007 Due To Reductions In Emissions From Electricity Generation; How$650K
- Federal grantNSF · Phase II · SBIR Phase II:Innovative Advection-Enhanced Geothermal Heat Pump Fieldloop Demonstration$1.5M
- Federal grantEnergy · Phase II · Bi-Directional Energy Storage with Innovative Geothermal Heat Pump System$1.1M
- Federal grantAgriculture · Novel, High-efficiency Groundsource Heat Pump With Potable Water Production, For Rural Applications$99K
- Federal grantEnergy · Phase I · Bi-Directional Energy Storage with Innovative Geothermal Heat Pump System$200K
- Private capital raisedForm D · SEC · 1st filing$525K
- Federal grantNSF · Phase I · SBIR Phase I: Innovative Advection-Enhanced Geothermal Heat Pump Fieldloop Demonstration$250K
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Federal first
2months
from DARCY SOLUTIONS, INC.’s first federal award to its first private round.
- First federal award · Dec 2019
- NSF · $250K
- First Form D · Jan 2020
- $525K · 1st Form D
- Awards before first raise
- 1 award
An association in public records, not a cause or a prediction.
Standing among 23 peers
Line = medianClean tech · System
- Federal grants#8 · top 35%
- Granted patents#10 · top 43%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
Researcher links verified by same-company patents and grants- Randolph JimmyResearcherExecutive Officer, DirectorLinked by $1.5M in grants as PI
- Larson BrianExecutive Officer, DirectorNamed in SEC Form D filings
What it has protected
USPTO · 2 granted of 9- PendingGroundwater Heat ExchangerUSPTOApplication 19280464
- PendingGroundwater Heat Exchanger Having A Cable ChannelUSPTOApplication 19276631
- GrantedGroundwater Heat ExchangerUSPTOUS 12,422,169
Show all 9 patent records
- Groundwater Heat ExchangerJun 11, 2026 · Application 19280464Pending
- Groundwater Heat Exchanger Having A Cable ChannelJan 29, 2026 · Application 19276631Pending
- Groundwater Heat ExchangerSep 23, 2025 · US 12,422,169Granted
- Groundwater Heat Exchange SystemJun 26, 2025 · Application 18847788Pending
- Spool-type Pitless Adapter For Groundwater Heat ExchangerMay 20, 2025 · US 12,305,467Granted
- Groundwater Heat Exchange SystemApplication PCTUS2023015508Pending
- Groundwater Heat Exchanger Having A Cable ChannelApplication 63675786Pending
- Geothermal Heat Pump System ControlApplication 63321426Pending
- Spool-type Pitless Adapter For Groundwater Heat ExchangerApplication PCTUS2021052397Pending
Related companies, and why
- DARCY SOLUTIONS INC.Shares a founder: Jimmy Randolph
- ADVANCED ENERGY MATERIALS LLCSimilar federal contract value in Clean tech · null in contracts
- Espira, Inc.Similar federal contract value in Clean tech · null in contracts
- Minnepura Technologies, Inc.Similar federal contract value in Clean tech · null in contracts
- SINGULARITY ENERGY, INC.Similar federal contract value in Clean tech · null in contracts
- ELATEQ, INC.Similar federal contract value in Clean tech · null in contracts
Regulatory activity · Clean tech
- Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
- Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
- Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency
- Chlormequat Chloride; Pesticide TolerancesEnvironmental Protection Agency
Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .