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All articles about Iowa HVAC License Guide.

DIAL and PMSB Iowa HVAC License

How Iowa's two agencies — DIAL and the Plumbing and Mechanical Systems Board — work together to license HVAC professionals, and which one handles what.

EPA 608 vs Iowa HVAC License

EPA Section 608 certification and Iowa's PMSB trade license serve different purposes — what each one authorizes, why you need both, and the penalties for confusing them.

How to Start an HVAC Business in Iowa

Step-by-step process for starting an HVAC business in Iowa — from master license to business entity, insurance, bonding, the joint contractor application, and local permits.

Iowa HVAC Apprenticeship Requirements

How to register as an HVAC apprentice in Iowa — age, education, experience hours, program enrollment, and the path to journeyperson licensure through PMSB.

Iowa HVAC Cross-Trade Rules

What electrical, plumbing, and boiler work HVAC license holders can legally do in Iowa — and where you need a separate license or subcontractor.

Iowa HVAC Exam

Iowa HVAC exam logistics at Kirkwood Community College — scheduling, costs, open-book rules, pass rates, and what to expect on journeyman and master exam day.

Iowa HVAC Insurance and Bond Requirements

Iowa HVAC contractor insurance and bonding requirements — $500K liability, $5K surety bond, workers' comp, the $25K out-of-state bond, and the exact wording DIAL requires.

Iowa HVAC License Application Process

Step-by-step guide to applying for an Iowa HVAC license — exam approval, Kirkwood scheduling, post-exam licensure, and the joint contractor application through DIAL.

Iowa HVAC License Cost

Every fee in Iowa's HVAC licensing process — exam costs, prorated license fees, contractor registration, insurance, bonds, and the multi-license discount calculation.

Iowa HVAC License Lookup

How to verify an Iowa HVAC license through DIAL's online system — what the lookup shows, what it doesn't, and how to confirm a contractor's active status.

Iowa HVAC License Reciprocity

Can you transfer an out-of-state HVAC license to Iowa? What the PMSB requires for reciprocity, the $25,000 out-of-state bond, and how to apply.

Iowa HVAC License Renewal

Iowa HVAC license renewal runs on a 3-year cycle — CE requirements, late fee deadlines, the multi-license discount, and what happens if your license lapses.

Iowa HVAC License Types

All Iowa HVAC license types under the PMSB — HVAC-Refrigeration, Sheet Metal, Hydronics, Mechanical, and the Service Technician specialty sublicense explained.

Iowa HVAC License

Everything you need for an Iowa HVAC license — PMSB trade credentials, DIAL contractor registration, EPA 608, and how the dual-system framework fits together.

Iowa HVAC Master of Record Requirements

What the Master of Record role means for Iowa HVAC contractors — who qualifies, what they're responsible for, and what happens when they leave your company.

Iowa HVAC Multi-License Discount

How to save 30% on Iowa mechanical trade license fees by combining applications — which licenses qualify, how the math works, and what doesn't get discounted.

Iowa HVAC Penalty for Unlicensed Work

What happens if you do HVAC work without a license in Iowa — civil penalties, insurance consequences, and who's actually exempt from licensing requirements.

Iowa HVAC Permit Requirements

When you need an HVAC permit in Iowa, how the state-vs-local split works, municipal fee schedules for Des Moines/Cedar Rapids/Davenport, and the inspection sequence.

Iowa HVAC Radon Mitigation Requirements

What Iowa HVAC contractors need to know about passive radon mitigation in new construction — HF 2297, building code changes, and how it affects mechanical work.

Iowa Mechanical Code

Iowa adopted the 2024 International Mechanical Code on March 25, 2025 — what changed, how the fuel gas code fits in, and what contractors need to know for exams and inspections.

Iowa Mechanical License

How Iowa's combined mechanical license works under the PMSB — scope, experience, exam details, and why it replaces three separate trade credentials.

Iowa Out of State Contractor Bond

Iowa requires a $25,000 surety bond from out-of-state HVAC contractors — how it works, what it covers, how to get one, and what else non-resident contractors need.

Who Can Pull HVAC Permits in Iowa

Which credentials let you pull mechanical permits in Iowa — contractor licenses, technician restrictions, homeowner exemptions, and what happens if you skip the permit.