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Private foundations don’t post open calls, so nobody can search them. We read IRS filings instead — 9.6 million grants from 174,053 foundations and grantmaking charities, searchable by what the money was actually for.

12 funders with a record of paying for “weatherization”

Where the money went

1.0×
La Cooperativa Campesina De California → Maroma Energy Services: $15M across 4 grants, latest 2024Texas Association of Community Action → Dallas Co Health & Human Svcs: $4.1M across 3 grants, latest 2025Blue Water Community Action → Bhk Community Action: $454K across 3 grants, latest 2024The Heising-Simons Foundation → University of Washington: $195K across 1 grant, latest 2024American Electric Power Foundation → Leslie Knott Letcher Perry Community Action Counci: $180K across 2 grants, latest 2025Co2 Foundation → Climate Central: $100K across 3 grants, latest 2024Highmark Foundation → Rebuilding Together Pittsburgh: $75K across 1 grant, latest 2024Hoveida Family Foundation → Hope Shelters: $50K across 2 grants, latest 2024House Everyone Stl → Centenary Umc Kaleidoscope: $39K across 1 grant, latest 2024The Rosenthal Family Foundation → Wildlife Guardians: $35K across 1 grant, latest 2023Washington Cattle Feeders Association → Washington State University: $34K across 2 grants, latest 2025Town Pump Charitable Foundation → Poverello Center Inc: $20K across 1 grant, latest 2024Texas Association of Community Action → City of Fort Worth: $3.3M across 3 grants, latest 2025Blue Water Community Action → Ottawa Community Action: $231K across 3 grants, latest 2024The Heising-Simons Foundation → Colorado State University: $176K across 1 grant, latest 2024American Electric Power Foundation → Big Sandy Area Community Action Program Incorporat: $153K across 2 grants, latest 2025Co2 Foundation → Grist Magazine: $98K across 1 grant, latest 2024Hoveida Family Foundation → Compass Housing Alliance: $50K across 2 grants, latest 2024The Rosenthal Family Foundation → Earthways Foundation: $30K across 1 grant, latest 2023House Everyone Stl → St Patrick Center: $30K across 1 grant, latest 2024Washington Cattle Feeders Association → Agri Beef Co: $22K across 1 grant, latest 2022Town Pump Charitable Foundation → Action Inc: $15K across 1 grant, latest 2024Highmark Foundation → Weatherly Area School District: $8K across 1 grant, latest 2024Texas Association of Community Action → Greater East Tx Comm Action A: $1.7M across 3 grants, latest 2025The Heising-Simons Foundation → Trustees of Princeton University: $154K across 1 grant, latest 2024American Electric Power Foundation → Northeast Kentucky Community Action Agency Inc: $128K across 2 grants, latest 2025Co2 Foundation → Ecoadapt: $98K across 3 grants, latest 2024Blue Water Community Action → Community Action of South Central Michigan: $87K across 2 grants, latest 2023Hoveida Family Foundation → The Bowery Mission: $50K across 2 grants, latest 2024House Everyone Stl → Urban City Services: $25K across 1 grant, latest 2024Town Pump Charitable Foundation → Union Gospel Mission Dba Hope Rescue Mission: $10K across 1 grant, latest 2024Washington Cattle Feeders Association → C&g Cattle Co LLC: $6K across 1 grant, latest 2022The Rosenthal Family Foundation → Center for Environmental Health: $5K across 1 grant, latest 2023Highmark Foundation → Greater Weatherly Area Community Chest Inc: $3K across 3 grants, latest 2024Texas Association of Community Action → Dallas Co Health & Human Svcs: $1.4M across 1 grant, latest 2022Texas Association of Community Action → City of Fort Worth: $890K across 1 grant, latest 2022Texas Association of Community Action → Hill Country Comm Action Asso: $733K across 3 grants, latest 2025Texas Association of Community Action → Greater East Tx Comm Action Prog: $499K across 1 grant, latest 2022Texas Association of Community Action → Rolling Plains Management Cor: $357K across 3 grants, latest 2025Texas Association of Community Action → Texoma Council of Govts: $251K across 3 grants, latest 2025Texas Association of Community Action → Hill Country Comm Action Assoc: $236K across 1 grant, latest 2022Texas Association of Community Action → Texoma Council of Govts: $164K across 1 grant, latest 2022The Heising-Simons Foundation → University Corporation for Atmospheric Research: $138K across 1 grant, latest 2024The Heising-Simons Foundation → Arizona Board of Regents University of Arizona: $101K across 1 grant, latest 2024Co2 Foundation → University of Washington - Friday Harbor Labs: $85K across 1 grant, latest 2024Co2 Foundation → The Conversation Us: $83K across 1 grant, latest 2024The Heising-Simons Foundation → University of Oregon: $80K across 1 grant, latest 2024Blue Water Community Action → Community Action Agency of South Central Michigan: $77K across 1 grant, latest 2024Co2 Foundation → Action for the Climate Emergency (Ace): $71K across 1 grant, latest 2024Co2 Foundation → Utah Film Center: $71K across 1 grant, latest 2023Co2 Foundation → Preventable Surprises: $50K across 2 grants, latest 2023Texas Association of Community Action → West Tx Opport: $47K across 1 grant, latest 2022Co2 Foundation → Affiliated Tribes of Northwest Indians: $46K across 1 grant, latest 2022Texas Association of Community Action → Eoac of Planning Region Xi: $43K across 2 grants, latest 2025Co2 Foundation → Knee Deep Times: $40K across 1 grant, latest 2022Texas Association of Community Action → Economic Opport Advance Corp: $35K across 1 grant, latest 2022Blue Water Community Action → Human Development Commission: $32K across 2 grants, latest 2024Texas Association of Community Action → West Texas Opportunities Inc: $29K across 1 grant, latest 2023Texas Association of Community Action → Economic Opport Advance Corp: $26K across 1 grant, latest 2023The Heising-Simons Foundation → Regents of the University of California at Irvine: $25K across 1 grant, latest 2024Hoveida Family Foundation → Stepping Stone Emergency Housing: $25K across 1 grant, latest 2024Hoveida Family Foundation → The Salvation Army: $25K across 1 grant, latest 2023Hoveida Family Foundation → The Salvation Army - Shield of Hope: $25K across 1 grant, latest 2024Hoveida Family Foundation → Sharing and Caring Hands: $25K across 1 grant, latest 2023La Cooperativa Campesina De California: $15M on this topic. Open the funder.La Cooperativa Campesina De C…$15MTexas Association of Community Action: $14M on this topic. Open the funder.Texas Association of Communit…$14MBlue Water Community Action: $880K on this topic. Open the funder.Blue Water Community Action$880KThe Heising-Simons Foundation: $868K on this topic. Open the funder.The Heising-Simons Foundation$868KCo2 Foundation: $742K on this topic. Open the funder.Co2 Foundation$742KAmerican Electric Power Foundation: $461K on this topic. Open the funder.American Electric Power Found…$461KHoveida Family Foundation: $250K on this topic. Open the funder.Hoveida Family Foundation$250KHouse Everyone Stl: $94K on this topic. Open the funder.House Everyone Stl$94KHighmark Foundation: $86K on this topic. Open the funder.Highmark Foundation$86KThe Rosenthal Family Foundation: $70K on this topic. Open the funder.The Rosenthal Family Foundati…$70KWashington Cattle Feeders Association: $62K on this topic. Open the funder.Washington Cattle Feeders Ass…$62KTown Pump Charitable Foundation: $45K on this topic. Open the funder.Town Pump Charitable Foundati…$45KMaroma Energy Services: received $15M on this topicMaroma Energy Services$15MDallas Co Health & Human Svcs: received $4.1M on this topicDallas Co Health & Human Svcs$4.1MCity of Fort Worth: received $3.3M on this topicCity of Fort Worth$3.3MGreater East Tx Comm Action A: received $1.7M on this topicGreater East Tx Comm Action A$1.7MDallas Co Health & Human Svcs: received $1.4M on this topicDallas Co Health & Human Svcs$1.4MCity of Fort Worth: received $890K on this topicCity of Fort Worth$890KHill Country Comm Action Asso: received $733K on this topicHill Country Comm Action Asso$733KGreater East Tx Comm Action Prog: received $499K on this topicGreater East Tx Comm Action Prog$499KBhk Community Action: received $454K on this topicBhk Community Action$454KRolling Plains Management Cor: received $357K on this topicRolling Plains Management Cor$357KTexoma Council of Govts: received $251K on this topicTexoma Council of Govts$251KHill Country Comm Action Assoc: received $236K on this topicHill Country Comm Action Assoc$236KOttawa Community Action: received $231K on this topicOttawa Community Action$231KUniversity of Washington: received $195K on this topicUniversity of Washington$195KLeslie Knott Letcher Perry Community Action Counci: received $180K on this topicLeslie Knott Letcher Perry Comm…$180KColorado State University: received $176K on this topicColorado State University$176KTexoma Council of Govts: received $164K on this topicTexoma Council of Govts$164KTrustees of Princeton University: received $154K on this topicTrustees of Princeton University$154KBig Sandy Area Community Action Program Incorporat: received $153K on this topicBig Sandy Area Community Action…$153KUniversity Corporation for Atmospheric Research: received $138K on this topicUniversity Corporation for Atmo…$138KNortheast Kentucky Community Action Agency Inc: received $128K on this topicNortheast Kentucky Community Ac…$128KArizona Board of Regents University of Arizona: received $101K on this topicArizona Board of Regents Univer…$101KClimate Central: received $100K on this topicClimate Central$100KGrist Magazine: received $98K on this topicGrist Magazine$98KEcoadapt: received $98K on this topicEcoadapt$98KCommunity Action of South Central Michigan: received $87K on this topicCommunity Action of South Centr…$87KUniversity of Washington - Friday Harbor Labs: received $85K on this topicUniversity of Washington - Frid…$85KThe Conversation Us: received $83K on this topicThe Conversation Us$83KUniversity of Oregon: received $80K on this topicUniversity of Oregon$80KCommunity Action Agency of South Central Michigan: received $77K on this topicCommunity Action Agency of Sout…$77KRebuilding Together Pittsburgh: received $75K on this topicRebuilding Together Pittsburgh$75KAction for the Climate Emergency (Ace): received $71K on this topicAction for the Climate Emergenc…$71KUtah Film Center: received $71K on this topicUtah Film Center$71KHope Shelters: received $50K on this topicHope Shelters$50KCompass Housing Alliance: received $50K on this topicCompass Housing Alliance$50KThe Bowery Mission: received $50K on this topicThe Bowery Mission$50KPreventable Surprises: received $50K on this topicPreventable Surprises$50KWest Tx Opport: received $47K on this topicWest Tx Opport$47KAffiliated Tribes of Northwest Indians: received $46K on this topicAffiliated Tribes of Northwest…$46KEoac of Planning Region Xi: received $43K on this topicEoac of Planning Region Xi$43KKnee Deep Times: received $40K on this topicKnee Deep Times$40KCentenary Umc Kaleidoscope: received $39K on this topicCentenary Umc Kaleidoscope$39KWildlife Guardians: received $35K on this topicWildlife Guardians$35KEconomic Opport Advance Corp: received $35K on this topicEconomic Opport Advance Corp$35KWashington State University: received $34K on this topicWashington State University$34KHuman Development Commission: received $32K on this topicHuman Development Commission$32KEarthways Foundation: received $30K on this topicEarthways Foundation$30KSt Patrick Center: received $30K on this topicSt Patrick Center$30KWest Texas Opportunities Inc: received $29K on this topicWest Texas Opportunities Inc$29KEconomic Opport Advance Corp: received $26K on this topicEconomic Opport Advance Corp$26KRegents of the University of California at Irvine: received $25K on this topicRegents of the University of Ca…$25KUrban City Services: received $25K on this topicUrban City Services$25KStepping Stone Emergency Housing: received $25K on this topicStepping Stone Emergency Housing$25KThe Salvation Army: received $25K on this topicThe Salvation Army$25KThe Salvation Army - Shield of Hope: received $25K on this topicThe Salvation Army - Shield of…$25KSharing and Caring Hands: received $25K on this topicSharing and Caring Hands$25KAgri Beef Co: received $22K on this topicAgri Beef Co$22KPoverello Center Inc: received $20K on this topicPoverello Center Inc$20KAction Inc: received $15K on this topicAction Inc$15KUnion Gospel Mission Dba Hope Rescue Mission: received $10K on this topicUnion Gospel Mission Dba Hope R…$10KWeatherly Area School District: received $8K on this topicWeatherly Area School District$8KC&g Cattle Co LLC: received $6K on this topicC&g Cattle Co LLC$6KCenter for Environmental Health: received $5K on this topicCenter for Environmental Health$5KGreater Weatherly Area Community Chest Inc: received $3K on this topicGreater Weatherly Area Communit…$3K
12 funders, 64 recipients, grants matching “weatherization” only. Ribbon width is proportional to the total given; each funder has its own colour (smaller funders in gray). Hover a name to isolate its flows, click a funder to open it. Drag to move around; zoom with the buttons, a double-click, or the wheel after clicking the map.

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Source: IRS Form 990-PF Part XV and Form 990 Schedule I, tax years 2019–2025. These are grants already paid, a record of what an organization funds rather than an open call. Private foundations rarely accept unsolicited applications and the route in is usually a program officer; grantmaking charities and associations more often run real application cycles, so check their website. How this data is built, and its limits →