International Association of Heat & Frost Insulators & Allied Workers is a 501(c)(5) organization based in New Castle, Delaware, registered in 1940, with $789,845 in FY2025 revenue. CharityIndex grades it C+.
Revenue (FY2025)
$790K
▲ 15.9% vs prior year
Expenses (FY2025)
$514K
Net assets
$1.8M
Employees
—
Rated on 2 of 4 criteria — the rest aren't reported in this filing type.
Held down by its weakest criterion — a strong score on one criterion can't hide a weak one.
How the rating works →Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. Not scored for International Association of Heat & Frost Insulators & Allied Workers— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For International Association of Heat & Frost Insulators & Allied Workers: 42 mo reserves · +35% margin earns a A on this criterion. See the exact thresholds →
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. Not scored for International Association of Heat & Frost Insulators & Allied Workers— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For International Association of Heat & Frost Insulators & Allied Workers: 1 of 5 disclosure signals earns a D on this criterion. See the exact thresholds →
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Revenue grew from $414K (FY2013) to $790K (FY2025) across 13 reported years.
Financial snapshot
Operating margin
34.9%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$1.8M
Total liabilities
$11K
Net assets
$1.8M
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2025 | $789,845▲15.9% | $514,196▼5.9% | $1,787,502▲18.2% | $1,798,552▲18.3% | 990 |
| 2024 | $681,408▼3.9% | $546,258▼12.3% | $1,511,853▲9.8% | $1,520,239▲9.2% | 990 |
| 2023 | $708,897▲26.4% | $622,569▲3.0% | $1,376,703▲6.7% | $1,392,659▲6.7% | 990 |
| 2022 | $561,002▼12.3% | $604,533▲9.1% | $1,290,375▼3.3% | $1,305,718▼3.4% | 990 |
| 2021 | $639,912▲11.6% | $554,165▲1.1% | $1,333,906▲6.9% | $1,351,956▲6.8% | 990 |
| 2020 | $573,651▼33.5% | $547,889▼9.0% | $1,248,159▲2.1% | $1,265,406▲2.2% | 990 |
| 2019 | $863,018▲11.2% | $601,848▲10.8% | $1,222,397▲27.2% | $1,238,660▲26.8% | 990 |
| 2018 | $775,913▲19.9% | $543,141▲13.0% | $961,227▲32.0% | $976,974▲30.3% | 990 |
| 2017 | $647,354▲8.5% | $480,537▲8.4% | $728,450▲29.7% | $749,764▲28.2% | 990 |
| 2016 | $596,766▼17.3% | $443,239▼23.3% | $561,633▲37.6% | $584,827▲31.4% | 990 |
| 2015 | $721,565▲65.6% | $577,885▼6.1% | $408,106▲54.3% | $445,100▲53.1% | 990 |
| 2014 | $435,842▲5.4% | $615,267▲31.3% | $264,520▼40.6% | $290,655▼39.3% | 990 |
| 2013 | $413,646 | $468,540▼14.2% | $445,446▼11.0% | $479,133▼4.5% | 990 |
| 2012 | — | $546,085▼7.3% | $500,342▼23.4% | $501,521▼23.2% | 990 |
| 2011 | — | $589,347▲8.5% | $652,871▼12.1% | $652,871▼12.1% | 990 |
| 2010 | — | $543,167 | $742,695 | $742,695 | 990 |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
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Data for International Association of Heat & Frost Insulators & Allied Workers (EIN 51-0080312) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.