Geisler Brothers Company
REGISTEREDPlumbing/Heating & A/C Contractors · Dubuque, IA
Homeowners found plumbing/heating & a/c contractors pages across Iowa 43 times in the last 28 days.
Geisler Brothers Company is currently registered as a construction contractor with the State of Iowa under registration number C130042, first issued 2026-05-08 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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State registration
- Registration number
- C130042
- Status
- Registered
- Issued / last renewed
- 2026-05-08
- Expires
- 2029-06-30
- Primary trade
- Plumbing/Heating & A/C Contractors
- County
- Dubuque County
- Owner of record
- Todd Geisler
- 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 Geisler Brothers Company
From geislerbrothers.com
- In business since 1892
- Emergency service
- Website:
- geislerbrothers.com
- Facebook:
- facebook.com/GeislerBrothersCo
- LinkedIn:
- linkedin.com/company/geisler-brothers-company/about
- YouTube:
- youtube.com/watch
Read from the business’s own website (geislerbrothers.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.
Geisler Brothers Company on Google
Google Maps4.7 ★ (21 Google reviews) · General Contractor
- Website listed on Google: geislerbrothers.com
- Dubuque, IA
Hours on Google
- Monday: 7:30 AM – 4:30 PM
- Tuesday: 7:30 AM – 4:30 PM
- Wednesday: 7:30 AM – 4:30 PM
- Thursday: 7:30 AM – 4:30 PM
- Friday: 7:30 AM – 4:30 PM
- Saturday: Closed
- Sunday: Closed
Google reviews
A selection supplied by Google, ordered by relevance. Reviews containing contact details or unsupported credential claims are omitted.
5 ★ · Jacob Mozena · Jan 2025
Had a furnace malfunctioning over the weekend. Called the pros Monday morning and they arrived within the hour! Quickly troubleshot the system and had the new blower motor installed in no time! The very nice and knowledgeable service technician did a great job and was a pleasure to work with. Thanks again!
View review on Google Maps5 ★ · Marie Winters · Aug 2021
I cant recommend Geisler Brothers highly enough! Bob came over today and fixed our AC, after other repair guys had told us it was un-fixable, he was a God send! Such an incredibly nice guy and very knowledgeable. Thanks again Bob!!!
View review on Google Maps5 ★ · Frankie Nigh · Aug 2019
I called for servicing our A/C. Someone came out within half an hour. He worked on the issue, and called in another technician. They solved the problem immediately. Great service!! I highly recommend Geisler. Bob in the sales dept. is wonderful, will not price gouge you. You can count on this business!!
View review on Google Maps5 ★ · ANNE MCGRATH · Feb 2021
Mike with Geisler Brothers is fantastic! He’s a very professional and personable young man who works quickly and very efficiently. I would definitely recommend this company.
View review on Google Maps
From Google Maps, as of Sep 2026. We have not verified it and this business has not claimed this listing. Is this your business? Claim it free or request a correction.
What Geisler Brothers Company is registered to do
The State classifies Geisler Brothers Company 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
21
registered plumbing/heating & a/c contractors in Dubuque
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 →plumbing/heating & a/c contractors in Dubuque →Contractors in Dubuque County →
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Premium — pays for placement, shown firstVerified — owner confirmed their details with the StateEvery registered contractor is listed either way — a badge moves a listing up, it never removes anyone, and neither is a judgement of anyone’s work.