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Iowa HVAC License Renewal: Deadlines, Fees and CE

The Master HVAC/Refrigeration / Hydronics / Mechanical License (individual; master of record) (Plumbing and Mechanical Systems Board (PMSB), Iowa DIAL) renews every 3 years, has a renewal fee of about $240 and requires 8 hours of continuing education. The PMSB Contractor License (Mechanical - HVAC/R, Hydronics, Sheet Metal) + DIAL Contractor Registration (Plumbing and Mechanical Systems Board (PMSB), Iowa DIAL) renews every 3 years, has a renewal fee of about $400 and requires a bond of $5,000 (verify with the board). Fees change, so check the official site for the exact amount.

Full rule details
Verified dataLast checked Oct 17, 2026, next review due July 2027

Informational: verify with the issuing board.

Remind me before it expiresHow reminders work

Master HVAC/Refrigeration / Hydronics / Mechanical License (individual; master of record)

Master · State license · Plumbing and Mechanical Systems Board (PMSB), Iowa DIAL

Remind me before this expires
Renew on the official siteBoard phone: (866) 280-1521
Renewal cycle
Every 3 years
Continuing education
8 hours
Show CE rules8 hours per 3-year term for a single license (2 mechanical code, 4 discipline, 2 safety); 14 hours if holding 2+ uncombined mechanical licenses (2 code, 8 discipline, 4 safety); 16 hours if plumbing plus mechanical (2 plumbing code, 2 mechanical code, 8 discipline, 4 safety). At least half must be in-person. Course and instructor must be board-approved. Licensee self-reports hour totals at renewal; certificates not submitted but audit possible. Exemptions 1001-1008 (military, out-of-state licensee meeting home-state CE, first renewal with <1 yr remaining, etc.).
Deadline rule
Licenses expire June 30 every 3 years (current period July 1, 2026 - June 30, 2029; next period July 1, 2029 - June 30, 2032). License remains valid through Aug 31; DIAL advises renewing in July.
Show fees, grace period, bond and insurance
Grace period
30-day grace period for any reason, including CEU completion (DIAL plumbing licensure page).

Fees, approximate

Renewal fee
About $240
Late fee
Show the details (amounts are approximate)Per license: about $60 late fee if submitted after Aug 1 (31-60 days lapsed; may still work); about $100 if submitted after Sep 1 (61-365 days lapsed; not eligible to work). Late fees are excluded from the 30% multi-license discount.
Reinstatement
Show the details (amounts are approximate)Expired more than 1 year: pay the full license fee (no multi-license discount) instead of a late fee, and submit current CEUs or pass the exam (exemption code 1008 / Basis for Licensure 'Examination'); not eligible to work while lapsed. Contractor licenses expired more than 1 year require a new application.

Fees change. Check the official site for the exact amount.

Why approximate?

Boards change fees often and some charge extra processing fees. We show a recent amount so you can plan.

Bond
Not required
Insurance
Not required
Reciprocity
Plumbing journeyperson and master licenses: reciprocity with South Dakota for exam-based licenses (2016 agreement). No reciprocity for the mechanical disciplines. Contractor licenses must be obtained in Iowa.
Notes

Fee $240 for Master; Journeyperson $180; 'Inactive Master / Active Journeyperson' $230; Specialty (e.g., Service Technician HVAC) $50. Fees shown are on-time renewal; 30% multi-license discount applies when renewing 2+ licenses same day. HVAC/R and Hydronics licenses of same level can be combined into one Mechanical license (May 1 - June 30 of last year of period, after meeting the 14-hr CE).

Confidence: HighConfirmed from official rule textLast checked Oct 17, 2026
Sources (6)

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PMSB Contractor License (Mechanical - HVAC/R, Hydronics, Sheet Metal) + DIAL Contractor Registration

CL · State license · Plumbing and Mechanical Systems Board (PMSB), Iowa DIAL

Remind me before this expires
Renew on the official siteBoard phone: (866) 280-1521
Renewal cycle
Every 3 years
Continuing education
Not required
Deadline rule
Licenses expire June 30 every 3 years (current period July 1, 2026 - June 30, 2029; next period July 1, 2029 - June 30, 2032). License remains valid through Aug 31; DIAL advises renewing in July.
Show fees, grace period, bond and insurance
Grace period
30-day grace period for any reason, including CEU completion (DIAL plumbing licensure page).

Fees, approximate

Renewal fee
About $400
Late fee
Show the details (amounts are approximate)Per license: about $60 late fee if submitted after Aug 1 (31-60 days lapsed; may still work); about $100 if submitted after Sep 1 (61-365 days lapsed; not eligible to work). Late fees are excluded from the 30% multi-license discount.
Reinstatement
Show the details (amounts are approximate)Expired more than 1 year: pay the full license fee (no multi-license discount) instead of a late fee, and submit current CEUs or pass the exam (exemption code 1008 / Basis for Licensure 'Examination'); not eligible to work while lapsed. Contractor licenses expired more than 1 year require a new application.

Fees change. Check the official site for the exact amount.

Why approximate?

Boards change fees often and some charge extra processing fees. We show a recent amount so you can plan.

Bond
Required: $5,000. Verify the amount with the board.
Insurance
Public liability insurance minimum $500,000 (Iowa-licensed insurer; 10 days' notice of cancellation to board; certificate holder: Bureau of Environmental Health & Contractor, DIAL, 6200 Park Ave Ste 100, Des Moines IA 50321). Workers' comp certificate if any employees. $5,000 minimum license/permit surety bond naming customers as beneficiaries. $25,000 DIAL out-of-state contractor bond if principal place of business is outside Iowa. UI account number required even with no employees.
Reciprocity
Plumbing journeyperson and master licenses: reciprocity with South Dakota for exam-based licenses (2016 agreement). No reciprocity for the mechanical disciplines. Contractor licenses must be obtained in Iowa.
Notes

Renewal fee $400 = $250 contractor license + $150 contractor registration (registration waivable with notarized exemption form for qualifying self-employed). 30% discount on license fees (not registration/late/paper fees) when renewing 2+ PMSB licenses the same day. $25 paper application fee. Same single contractor license covers plumbing and mechanical trades. Licenses are digital. Processing 4-6 weeks. Electrical work needs separate DIAL/IEEB license. Phone: PMSB (866) 280-1521; (515) 281-6071 per DIAL contractor page.

Confidence: HighConfirmed from official rule textLast checked Oct 17, 2026
Sources (7)

The hours, required topics, approved providers and reporting rules for each license are on the Iowa HVAC continuing education page.

How to renew

  1. 1Check your Master HVAC/Refrigeration / Hydronics / Mechanical License (individual; master of record) deadline: Licenses expire June 30 every 3 years (current period July 1, 2026 - June 30, 2029; next period July 1, 2029 - June 30, 2032). License remains valid through Aug 31; DIAL advises renewing in July.
  2. 2Complete 8 continuing education hours before renewing. 8 hours per 3-year term for a single license (2 mechanical code, 4 discipline, 2 safety); 14 hours if holding 2+ uncombined mechanical licenses (2 code, 8 discipline, 4 safety); 16 hours if plumbing plus mechanical (2 plumbing code, 2 mechanical code, 8 discipline, 4 safety). At least half must be in-person. Course and instructor must be board-approved. Licensee self-reports hour totals at renewal; certificates not submitted but audit possible. Exemptions 1001-1008 (military, out-of-state licensee meeting home-state CE, first renewal with <1 yr remaining, etc.).
  3. 3Renew online at https://amanda-portal.idph.state.ia.us/adpereh/portal/#/commons/sign-in
  4. 4Pay the renewal fee on the official site. Expect about $240, but fees change.
  5. 5If you miss the deadline: Per license: about $60 late fee if submitted after Aug 1 (31-60 days lapsed; may still work); about $100 if submitted after Sep 1 (61-365 days lapsed; not eligible to work). Late fees are excluded from the 30% multi-license discount.
  6. 6Check your PMSB Contractor License (Mechanical - HVAC/R, Hydronics, Sheet Metal) + DIAL Contractor Registration deadline: Licenses expire June 30 every 3 years (current period July 1, 2026 - June 30, 2029; next period July 1, 2029 - June 30, 2032). License remains valid through Aug 31; DIAL advises renewing in July.
  7. 7Confirm your bond and insurance meet the board requirements and are not expiring.
  8. 8Pay the renewal fee on the official site. Expect about $400, but fees change.

Iowa HVAC renewal questions

Answers come from the records above. Informational: verify with the issuing board.

When does an Iowa HVAC license expire?

Master HVAC/Refrigeration / Hydronics / Mechanical License (individual; master of record): renews every 3 years. Licenses expire June 30 every 3 years (current period July 1, 2026 - June 30, 2029; next period July 1, 2029 - June 30, 2032). License remains valid through Aug 31; DIAL advises renewing in July. PMSB Contractor License (Mechanical - HVAC/R, Hydronics, Sheet Metal) + DIAL Contractor Registration: renews every 3 years. Licenses expire June 30 every 3 years (current period July 1, 2026 - June 30, 2029; next period July 1, 2029 - June 30, 2032). License remains valid through Aug 31; DIAL advises renewing in July. Check with Plumbing and Mechanical Systems Board (PMSB), Iowa DIAL before you rely on it.

How many CE hours does an Iowa HVAC license need?

Master HVAC/Refrigeration / Hydronics / Mechanical License (individual; master of record): 8 hours per renewal. PMSB Contractor License (Mechanical - HVAC/R, Hydronics, Sheet Metal) + DIAL Contractor Registration: no CE required. Check with Plumbing and Mechanical Systems Board (PMSB), Iowa DIAL before you rely on it.

Is there a grace period for an Iowa HVAC license?

30-day grace period for any reason, including CEU completion (DIAL plumbing licensure page). Check with Plumbing and Mechanical Systems Board (PMSB), Iowa DIAL before you rely on it.

How much does it cost to renew an Iowa HVAC license?

Master HVAC/Refrigeration / Hydronics / Mechanical License (individual; master of record): About $240. Fees change. Check the official site for the exact amount.

What happens if an Iowa HVAC license expires?

Per license: about $60 late fee if submitted after Aug 1 (31-60 days lapsed; may still work); about $100 if submitted after Sep 1 (61-365 days lapsed; not eligible to work). Late fees are excluded from the 30% multi-license discount. Fees change. Check the official site for the exact amount.

Does Iowa accept HVAC licenses from other states?

Plumbing journeyperson and master licenses: reciprocity with South Dakota for exam-based licenses (2016 agreement). No reciprocity for the mechanical disciplines. Contractor licenses must be obtained in Iowa. Check with Plumbing and Mechanical Systems Board (PMSB), Iowa DIAL before you rely on it.

Sources

Spot something out of date?

Informational only. Check it with the issuing board. Licensing rules, deadlines and CE requirements change, fee amounts are approximate, and this page can be out of date. It is not legal advice, and we are not affiliated with any state board. Read the disclaimer.

This information is here to help you plan, not to replace the board. Fee amounts are approximate and may be out of date. Deadlines and continuing education rules change too, sometimes without much notice. Always confirm with your licensing board and its official site before you rely on a date or an amount. This is not legal advice.

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