Geisler Brothers Company

What Geisler Brothers Company does

Geisler Brothers Company is a fifth-generation, family-owned mechanical and roofing contractor founded in 1892 and headquartered in Dubuque, Iowa. It designs, fabricates, installs, and services residential HVAC systems, commercial and industrial HVAC systems, commercial roofing systems (rubber, PVC, TPO, slate, tile, metal, and silicone coatings), custom sheet metal fabrication, architectural sheet metal, dust collection systems, and preventative maintenance memberships. The customer base is split horizontally between residential homeowners and commercial, institutional, and industrial clients across the Midwest, with named projects including a 250,000 sqft Seippel Warehouse roofing engagement and architectural sheet metal work for the BVM Dubuque project.

The company's technical backbone is an in-house sheet metal fabrication operation housed in a 50,000 sqft industrial park facility (occupied since 2016) equipped with water jet cutting (Jet Pro 510), a Hankwang FL3015 4KW CO2 laser, Cidan K25 CNC bending, Spiro spiral pipe fabrication, Hypertherm conventional and high-definition plasma cutting, Cincinnati brake and shear, and sheet metal rolling. This fabrication capability supports both internal HVAC/ductwork projects and external custom orders including spiral pipe, fittings, ductwork, hoods, countertops, doors, and reverse engineering of obsolete OEM parts. The company also operates through wholly-owned subsidiary Universal Climate Control in Coralville, Iowa (acquired 2012) and is related to Dubuque Steel Products (acquired 1991), which fabricates stainless steel for health and food industry customers.

Commercially, Geisler operates a regional, direct field-sales model serving the Iowa/Illinois/Wisconsin Tri-State area, with quote-based project pricing, 24/7 emergency response for HVAC and commercial roofing, and Synchrony consumer financing on residential HVAC installations. Revenue is project-driven across HVAC, roofing, and fabrication, with a recurring-revenue layer added via membership Preventative Maintenance Programs. The company maintains industry affiliations with SMACNA, NRCA, ASHRAE, AGC, and ENERGY STAR, and is privately held with no external institutional capital, no public listing, and no disclosed funding history.

Name

Geisler Brothers Company

Legal name

Geisler Brothers Company

Website

https://geislerbrothers.com

Company type

Private

Founded year

1892

Operating status

Operating

Headcount range

11–50 employees

Short description

Geisler Brothers Company is a fifth-generation, family-owned HVAC, commercial roofing, and sheet metal fabrication contractor serving residential, commercial, and industrial clients across the Midwest from its 50,000 sqft Dubuque, Iowa facility, with a secondary location in Coralville, Iowa.

Ownership category

akta.pro rank

Product category

HVAC and Sheet Metal Contracting Services

NAICS

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Refrigeration & Service Industry Machinery (3580), Construction - Special Trade Contractors (1700)

akta.pro primary industry

HVAC & Refrigeration Contracting (IMAFALAB)

akta.pro secondary industries

Dampers, Louvers & Ventilation Controls (IMADANAD), HVAC & Industrial Ventilation (Chillers, AHUs, Exhaust, Filtration) (EUAEAFAE)

Keywords

• HVAC services
• Commercial roofing
• Sheet metal fabrication
• Residential heating cooling
• Dust collection systems

Headquarters

HQ city

Dubuque

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Marketing or Sales, Infrastructure, Others

Revenue model

1. HVAC Services: Installation, repair, and maintenance of heating, ventilation, and air conditioning systems for residential and commercial clients. Includes new installations, replacements, and emergency repair services available 24/7.
2. Commercial Roofing: Design, installation, and repair of various roofing systems including rubber, PVC, TPO, slate, tile, and metal systems. Also includes silicone roof coatings with up to 20-year warranties.
3. Sheet Metal Fabrication: Custom sheet metal fabrication including spiral pipe, fittings, ductwork, hoods, countertops, doors, and reverse engineering of obsolete OEM parts. Services residential to large commercial projects.
4. Architectural Sheet Metal: Wall panel and metal roofing projects using copper, zinc, galvanized, and prefinished colored metal with various fastener systems.
5. Preventative Maintenance Programs: Membership programs for ongoing HVAC maintenance to help customers maintain systems and extend equipment life.
6. Dust Collection Systems: Design, fabrication, and installation of custom dust collection systems for industrial facilities.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Geisler Brothers Company is a regional Midwest contractor providing heating, ventilation, air conditioning (HVAC), commercial roofing, and custom sheet metal fabrication services for residential and commercial/institutional/industrial customers. The company operates from a 50,000-square-foot facility in Dubuque, Iowa with in-house design, fabrication, and installation teams and offers 24/7 emergency service.

Product overview

Geisler Brothers Company is a traditional service company offering HVAC (heating, ventilation, and air conditioning) services for both residential and commercial customers, along with complementary specialty services. The core product portfolio consists of Residential HVAC, Commercial HVAC, Preventative Maintenance Program, Dust Collection Systems, Sheet Metal Fabrication, Commercial Roofing, and Architectural Sheet Metal. These services are delivered through a unified service delivery model focused on heating, cooling, ventilation, roofing, and sheet metal fabrication work. The company operates as a single integrated offering rather than a platform-plus-modules architecture.

Differentiator

Problem solved

Functional benefit

Products and services

• Residential HVAC Installation, repair, and maintenance services for residential heating, cooling, and ventilation systems, including emergency repair, new installation/replacement, geothermal systems, and preventative maintenance for homeowners.
• Commercial HVAC Design-build, installation, repair, and maintenance services for commercial, institutional, and industrial HVAC applications across the Midwest region.
• Preventative Maintenance Program Membership-based preventative maintenance plans that provide regular service checks to keep HVAC systems performing at optimal levels and extend equipment life.
• Sheet Metal Fabrication Full-service custom sheet metal fabrication including spiral pipe, fittings, rectangular and circular ductwork, hoods, countertops, doors, and reverse engineering of obsolete OEM parts, supported by water jet, laser, plasma, and CNC equipment.
• Commercial Roofing Design and installation of rubber, PVC, TPO, slate, tile, and metal roofing systems for re-roofs and new construction, plus roofing asset management, inspections, and GACO silicone roof coatings with up to 20-year warranties.
• Architectural Sheet Metal Wall panel and metal roofing services using copper, zinc, galvanized, and prefinished colored metal with exposed fastener, concealed fastener, and ACM panel systems.
• Dust Collection Systems Custom design, fabrication, and installation of dust collection systems for industrial facilities to keep facilities, people, and equipment clean and safe.

Named customers3 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Two partnerships are on record, tiered core.

• Universal Climate ControlcoreStrategic or Co-development Partner · 1 January 2012Geisler Brothers purchased Universal Climate Control in Coralville, Iowa in 2012, providing access to Cedar Rapids and Iowa City markets. UCC and Geisler Brothers complement each other and work in conjunction with one another. Scot Geisler became President of UCC.
• Dubuque Steel ProductscoreStrategic or Co-development Partner · 1 January 1991Geisler Brothers acquired Dubuque Steel Products in 1991, a long-established manufacturing company specializing in fabrication of stainless steel products for the health and food industries. Dubuque Steel Products operates as a related company under Geisler Brothers.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Comfort Systems USA: National mechanical contracting and HVAC services platform with operating subsidiaries that perform design, fabrication, installation, and service of HVAC, plumbing, and piping systems. Most directly comparable peer in terms of end-to-end mechanical services and sheet metal fabrication.
• H.J. Martin & Son: Large multi-trade contractor based in the upper Midwest offering commercial construction, HVAC, and specialty services. Comparable as a Midwest-rooted contractor with overlapping HVAC and roofing capabilities serving similar regional customers.
• Bruna Brothers: Midwest-based, family-owned mechanical contractor providing HVAC, plumbing, and electrical services. Closest comparable peer in terms of family ownership culture, regional Midwest geographic focus, and multi-trade mechanical contracting.
• Limbach Holdings: Specialty mechanical contractor providing HVAC, plumbing, and building controls design, installation, and service. Direct peer in mechanical contracting with comparable customer mix and services, though at materially larger scale.
• APi Group: Public holding company of specialty contractors including HVAC, mechanical, and life safety service businesses. Direct peer because it pursues the same roll-up strategy (acquiring family-owned mechanical contractors) that Geisler has begun with Dubuque Steel Products and Universal Climate Control.
• EMCOR Group: Largest mechanical and electrical contracting services firm in the U.S., offering HVAC, sheet metal fabrication, and building services across commercial, industrial, and institutional markets. Direct peer at much larger scale, competing for similar design-build commercial work.

Broad incumbents

• Trane Technologies: Global HVAC equipment manufacturer and service provider (Trane and Thermo King brands). As a broad incumbent it operates well beyond Geisler's regional contracting footprint but competes indirectly for commercial HVAC projects and equipment supply relationships in the same Midwest geography.
• Lennox International: Manufacturer of residential and commercial HVAC and refrigeration equipment. Comparable as a broad incumbent whose products flow through Geisler's installation and service business and whose dealer network competes for the same residential customers.
• Carrier Global: Major HVAC and refrigeration OEM offering residential, commercial, and industrial climate solutions. Comparable as a broad incumbent whose installed base Geisler services and whose equipment Geisler installs across its Midwest territory.

Others

• Watsco: Largest U.S. distributor of HVAC, refrigeration, and plumbing equipment. Relevant as an ecosystem participant whose distribution relationships shape equipment pricing, availability, and brand positioning for Geisler's installation business.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/geisler-brothers-company

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Geisler Brothers Company