International Association of Heat & Frost Insulators & Allied Workers is a 501(c)(5) organization based in Saint Paul, Minnesota, registered in 1940, with $4,109,210 in FY2025 revenue. CharityIndex grades it B.
Revenue (FY2025)
$4.1M
▲ 39.0% vs prior year
Expenses (FY2025)
$3.6M
Net assets
$4.9M
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: 17 mo reserves · +13% 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: 2 of 5 disclosure signals earns a C on this criterion. See the exact thresholds →
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Revenue grew from $3.8M (FY2013) to $4.1M (FY2025) across 13 reported years.
Financial snapshot
Operating margin
13.1%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$4.9M
Total liabilities
$5,906
Net assets
$4.9M
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2025 | $4,109,210▲39.0% | $3,570,190▲17.4% | $4,923,837▲12.3% | $4,929,743▲12.2% | 990 |
| 2024 | $2,957,029▼2.0% | $3,040,143▼1.8% | $4,384,817▼1.9% | $4,392,101▼1.9% | 990 |
| 2023 | $3,017,980▲39.4% | $3,096,514▼7.4% | $4,467,931▼1.7% | $4,477,314▼1.7% | 990 |
| 2022 | $2,165,702▼29.2% | $3,344,945▲14.8% | $4,546,465▼20.6% | $4,554,058▼20.6% | 990 |
| 2021 | $3,060,339▲3.9% | $2,913,785▲6.5% | $5,725,708▲2.6% | $5,734,809▲2.7% | 990 |
| 2020 | $2,945,342▼21.6% | $2,735,826▼11.2% | $5,579,154▲3.9% | $5,585,322▲3.9% | 990 |
| 2019 | $3,757,685▲26.4% | $3,079,491▼2.5% | $5,369,638▲14.5% | $5,375,670▲14.4% | 990 |
| 2018 | $2,972,619▼17.9% | $3,159,551▼8.7% | $4,691,444▼3.8% | $4,698,833▼3.9% | 990 |
| 2017 | $3,619,222▼11.8% | $3,458,828▲17.1% | $4,878,376▲3.4% | $4,887,958▲3.4% | 990 |
| 2016 | $4,102,316▼11.4% | $2,953,788▲11.8% | $4,717,982▲32.2% | $4,727,524▲32.1% | 990 |
| 2015 | $4,632,246▲22.4% | $2,643,014▼27.2% | $3,569,454▲126% | $3,577,709▲125% | 990 |
| 2014 | $3,785,745▲0.2% | $3,631,807▲12.3% | $1,580,222▲10.8% | $1,586,649▲10.8% | 990 |
| 2013 | $3,776,521 | $3,235,139▲19.5% | $1,426,284▲61.2% | $1,432,532▲61.0% | 990 |
| 2012 | — | $2,707,998▼0.8% | $884,902▲25.6% | $889,588▲19.4% | 990 |
| 2011 | — | $2,729,385▼25.6% | $704,291▲105% | $745,242▲38.0% | 990 |
| 2010 | — | $3,668,353 | $344,234 | $540,024 | 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 41-1583921) 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.