Thermogenics LLC
REGISTEREDPlumbing/Heating & A/C Contractors · Sioux City, IA
Thermogenics LLC is registered with the State of Iowa (No. C145481), current through 2029-06-30. Registration is not a license or an assessment of skill. Check the State record.
Phone · State record
(712) 252-4797At a glance
- What they do
- Plumbing/Heating & A/C Contractors State record
- Registered in
- Sioux City, IA (Woodbury County) State record
- Website
- plainsboiler.com Business website
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Work & references
Explore their projects, social profiles and original sources.
Around the web
Read customer stories and reviews at their source. Registration, documents and badges do not establish workmanship or current insurance.
Business profile
LinkedInLinked from the business website · linkedin.com
About Thermogenics LLC
From plainsboiler.com

Plains Mechanical Services is a full-service boiler company providing sales, service installation, and repair of boilers, pressure vessels, piping systems, and industrial combustion applications. With over three decades of experience since our founding in 1994, we specialize in full-service boiler, burner, and boiler room installation, maintenance, and repair services for all steam and hydronic systems, fuel and process piping installations, and industrial combustion applications. We are the only one-stop-shop for boiler room equipment sales, service, and rentals in the area.
- Emergency service
- Website:
- plainsboiler.com
- Email on their website:
- info@plainsboiler.com
Read from the business’s own website (plainsboiler.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.
Trade and local directory
What Thermogenics LLC is registered to do
The State classifies Thermogenics LLC 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.
2026-07-31
registration last issued or renewed with the State
1,509
registered plumbing/heating & a/c contractors in Iowa, this business among them
32
registered plumbing/heating & a/c contractors in Sioux City
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 1,509 registered plumbing/heating & a/c contractors in Iowa →plumbing/heating & a/c contractors in Sioux City →Contractors in Sioux City →Contractors in Woodbury County →
State registration details
- Registration number
- C145481
- Status
- Registered
- Issued / last renewed
- 2026-07-31
- Expires
- 2029-06-30
- Primary trade
- Plumbing/Heating & A/C Contractors
- County
- Woodbury County
- Owner of record
- Ross Garland
- Issuing authority
- DIAL
Sourced from the Active Iowa Construction Contractor Registrations (Iowa Code ch. 91C), last updated 2026-11-02. Verify this registration with the State of Iowa. How to check a registration yourself.
Sources for this profile
- Registration: Active Iowa Construction Contractor Registrations, last updated 2026-11-02. Verify registration C145481
- About the business: read from its website, plainsboiler.com/about. Not written or confirmed by the business.
Other plumbing/heating & a/c contractors in Woodbury County
1 of 8 listings publish services; 4 publish hours. These are published details, not availability guarantees.
- Cutler Heating And Cooling LLC
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REGISTERED(712) 635-2063 - Superior Industrial Mechanical INC.
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REGISTERED(712) 226-7464 - Tri-State Heating & Cooling
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REGISTERED(712) 253-9441 - A.Johnson Plumbing & Heating LLC
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REGISTERED(712) 266-3056 - Ace Refrigeration Company Of Sioux City INC
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Registration last issued or renewed 2026-08-17
REGISTERED(712) 258-0179