Johnson Heating & Air Condtioning
REGISTEREDPlumbing/Heating & A/C Contractors · Albert Lea, MN
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Johnson Heating & Air Condtioning is currently registered as a construction contractor with the State of Iowa under registration number C135789, first issued 2026-05-13 and current through 2029-06-30. Iowa registration confirms compliance with state labor law — it is not a license, and the State does not assess skill.
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This contractor is based in MN and holds an Iowa contractor registration, which is required to perform construction work in Iowa.
State registration
- Registration number
- C135789
- Status
- Registered
- Issued / last renewed
- 2026-05-13
- Expires
- 2029-06-30
- Primary trade
- Plumbing/Heating & A/C Contractors
- Owner of record
- Mark Johnson
- Issuing authority
- DIAL
Sourced from the Active Iowa Construction Contractor Registrations (Iowa Code ch. 91C), last updated 2026-09-14. Verify this registration with the State of Iowa. How to check a registration yourself.
About Johnson Heating & Air Condtioning
From johnson1912.com
Johnson Heating & Air Conditioning was started in 1912 by Gullek Johnson. In 1911, Gullek Johnson graduated from The International Correspondence Schools in Scranton Pennsylvania with a Sheet-Metal Pattern Drafting Degree. Johnson Sheetmetal Shop was located on Washington Ave in Albert Lea, MN. In 1920 Johnson Sheetmetal Shop became a dealer for Lennox Furnace Company located in Marshalltown, IA. Johnson’s was the 15th Lennox dealer in the nation and there currently are over 7,000 dealers worldwide. With the progression of gas fired furnaces and refrigeration air conditioners Johnson Sheetmetal Shop then transitioned into Johnson Heating & Air Conditioning.
- In business since 1912
- Website:
- johnson1912.com
- Facebook:
- facebook.com/JohnsonHeatingAirConditioning
Read from the business’s own website (johnson1912.com). We have not verified it and this business has not claimed this listing. Is this your business? Claim it free to edit or remove anything here, or request a correction.
What Johnson Heating & Air Condtioning is registered to do
The State classifies Johnson Heating & Air Condtioning as plumbing/heating & a/c contractors. That classification comes from the registration itself, not from us — it describes the work the business registered to perform, and it is not an assessment of skill or a limit on what they may quote for.
Since this year
on the State's register (since 2026) — not a measure of experience
1,309
registered plumbing/heating & a/c contractors in Iowa, this business among them
plumbing, HVAC & mechanical work is separately licensed in Iowa. The registration above is a compliance filing; the Iowa Plumbing & Mechanical Systems Board ↗ runs the exam that actually tests competence. Ask for the license number and check it there — for this trade it is the strongest signal available.
All 1,309 registered plumbing/heating & a/c contractors in Iowa →