HARVEST THERMAL, INC.
Electric heat pump system with thermal storage for residential heating and hot water, optimized for grid load shifting
- Sector
- Clean tech
- Headquarters
- KENSINGTON, CA
- Latest Form D
- $1.1M, Oct 2025
- Total capital
- $6.4M
- Federal grants
- $1.2M
- 2 awards · 2019–2022
- Rank in peer group#19 of 27
- Private capital raised
- $5.2M
- 3 Form D · last Oct 2025
- 12 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 6
- 11 pending · first 2022
- Rank in peer group#4 of 27
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 3rd filing$1.1M
- Private capital raisedForm D · SEC · 2nd filing$2M
- Private capital raisedForm D · SEC · 1st filing$2.1M
- Federal grantNSF · Phase II · SBIR Phase II:A Low-Emissions Heating and Hot Water System$1M
- Federal grantNSF · Phase I · SBIR Phase I: Very-Low Emissions Heating, Cooling and Hot Water System$225K
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
44months
from HARVEST THERMAL, INC.’s first federal award to its first private round.
- First federal award · Dec 2019
- NSF · $225K
- First Form D · Jul 2023
- $2.1M · 1st Form D
- Awards before first raise
- 2 awards
An association in public records, not a cause or a prediction.
Standing among 27 peers
Line = medianClean tech · Device
- Federal grantsBelow median
- Granted patents#4 · top 15%
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
From SEC Form D filings- Elisabeth Jane MeliaExecutive Officer, Director, PromoterNamed in SEC Form D filings
- Ken MunsonExecutive Officer, DirectorNamed in SEC Form D filings
What it has protected
USPTO · 6 granted of 17- PendingLow-emissions Heating, Cooling, And Hot Water SystemUSPTOApplication 19198019
- GrantedSystems And Methods For Controlling Heating, Ventilation, Cooling, And Potable Hot Water DeliveryUSPTOUS 12,331,949
- GrantedLow-emissions Heating, Cooling And Hot Water SystemUSPTOUS 12,313,301
Show all 17 patent records
- Low-emissions Heating, Cooling, And Hot Water SystemAug 21, 2025 · Application 19198019Pending
- Systems And Methods For Controlling Heating, Ventilation, Cooling, And Potable Hot Water DeliveryJun 17, 2025 · US 12,331,949Granted
- Low-emissions Heating, Cooling And Hot Water SystemMay 27, 2025 · US 12,313,301Granted
- Low-emissions Heating, Cooling And Hot Water SystemJun 18, 2024 · US 12,013,152Granted
- Control Systems And Methods For Managing Rate Of Heat Delivery In Hydronic SystemsFeb 13, 2024 · US 11,898,761Granted
- Methods And Systems For Tracking Thermal Profile Of Hot Water Storage TanksDec 12, 2023 · US 11,841,154Granted
- Methods And Systems For Generating Time Dependent Temperature Profile For Thermal Storage TanksAug 16, 2022 · US 11,415,341Granted
- Hydronic Space Conditioning And Water Heating Systems With Integrated Disinfecting DeviceOct 14, 2021 · Application 17226804Pending
- Control Systems And Methods For Managing Rate Of Heat Delivery In Hydronic SystemsApplication PCTUS2021020899Pending
- Hydronic Method And System For Determining Thermal Stratification Of A Tank Of Heated Or Chilled FluidApplication 63093661Pending
- Water Heating And Space Conditioning System With Integrated Disinfecting And Boosted Heating ElementApplication 63008645Pending
- Hydronic System With Elements Capable Of Measuring And Managing The Rate Of Heat DeliveryApplication 62985023Pending
- Systems And Methods For Controlling Heating, Ventilation, Cooling, And Potable Hot Water DeliveryApplication 63609548Pending
- Systems And Methods For Controlling Heating, Ventilation, Cooling, And Potable Hot Water DeliveryApplication PCTUS2024060089Pending
- Low-emissions Heating, Cooling And Hot Water SystemApplication PCTUS2024033174Pending
- Methods And Systems For Generating Time Dependent Temperature Profile For Thermal Storage TanksApplication PCTUS2021055660Pending
- Methods And Systems For Tracking Thermal Profile Of Hot Water Storage TanksApplication PCTUS2021045431Pending
Related companies, and why
- SORBENTA INCSimilar federal contract value in Clean tech · null in contracts
- Z4 ENERGY SYSTEMS, A LIMITED LIABILITY COMPANYSimilar federal contract value in Clean tech · null in contracts
- ION Engineering LLCSimilar federal contract value in Clean tech · null in contracts
- Verdox, Inc.Similar federal contract value in Clean tech · null in contracts
- CATALYTIC AND REDOX SOLUTIONS LLCSimilar federal contract value in Clean tech · null in contracts
- TERRAFORMA CARBON LLCSimilar 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 .