R.L. Deppmann

What R.L. Deppmann does

R.L. Deppmann is a privately held, employee-owned (ESOP since 1971) manufacturer representative firm that has sold commercial and industrial HVAC and plumbing equipment in Michigan and Northern Ohio since its founding in Detroit in 1927 by Raymond L. Deppmann. The firm operates as a stocking sales agency for a roster of HVAC/plumbing principals led by Bell & Gossett (Xylem), which it has represented since 1929, along with Danfoss (VFDs, with expanded West Michigan territory), AERCO Benchmark boilers, PVI Conquest water heaters, Metraflex, and Badger Meter. Through four branches (Novi/Detroit headquarters, Brecksville/Cleveland via the 2001 Omni-Flow acquisition, Grand Rapids since 1950, and Saginaw since 1956) it serves mechanical contractors, engineering specifiers, and end-user facility managers with product selection, hydronic and steam system design support, startup and warranty services, parts, and ongoing maintenance training.

The firm's underlying technical offering centers on hydronic, steam, pumping, and water-quality engineering rather than a software platform; channel expertise includes proprietary selection tools inherited from Bell & Gossett (e.g., System Syzer) and a sustained educational content engine (the Monday Morning Minutes blog, training events, and factory classes) authored in part by technical staff such as Norm Hall. There is no public API or developer-facing integration surface; technology interaction with customers occurs through a web-based customer portal. The line-card spans pumps and accessories, boilers and water heaters, hydronic systems, plumbing systems, steam and condensate, VFDs, glycol solutions, snowmelt designs, and water treatment, allowing cross-sell across the lifecycle of a building's mechanical systems.

Commercially, R.L. Deppmann earns revenue as a manufacturer representative: it drives demand with contractors, engineers, and facility operators, with products ultimately transacted through a network of stocking wholesalers, so monetisation takes the form of commissions/agency margins on equipment flow rather than direct end-customer pricing. Pricing is quote-based through wholesalers and not publicly disclosed. The go-to-market is sales-led, supported by content marketing (blog, LinkedIn, YouTube) and live training events; named end-customer references include Little Caesars Arena and Eifert Mechanical, with seven consecutive years of Top Workplace recognition (2024) signaling employee retention and culture stability. No outside funding rounds or public-company financial signals are present; the firm is wholly owned by its employees through the ESOP trust.

Name

R.L. Deppmann

Legal name

R.L. Deppmann

Website

https://deppmann.com

Company type

Private

Founded year

1927

Operating status

Operating

Headcount range

51–100 employees

Short description

R.L. Deppmann is a privately held, employee-owned manufacturer representative founded in 1927 that sells Bell & Gossett, Danfoss, AERCO, and other commercial HVAC and plumbing lines through four branches in Michigan and Northern Ohio to mechanical contractors, engineering specifiers, and facility managers.

Ownership category

akta.pro rank

Product category

HVAC and Plumbing Equipment Distribution

NAICS

Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers (42373), Refrigeration Equipment and Supplies Merchant Wholesalers (42374)

SIC

Steam & Air-Conditioning Supply (4961), Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

HVAC, Water Heaters & Indoor Air Quality Distribution (CRAOAFAJ)

akta.pro secondary industries

HVAC Equipment (Heating, Cooling & Air Handling) (IMAHAKAB), Heat Exchangers, Coils & Hydronic HVAC Components (IMADANAF), HVAC Controls & Optimization (Smart Thermostats, VAV, Chillers/Boilers Controls) (BPABAGAB)

Keywords

• HVAC manufacturer representative
• Plumbing systems distribution
• Hydronic heating products
• Commercial boilers water heaters
• Variable frequency drives

Headquarters

HQ city

Novi

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Manufacturer Representative Sales: Acts as a manufacturer representative for HVAC and plumbing equipment suppliers, earning commissions on product sales through their network of wholesalers and contractors.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

R.L. Deppmann is a stocking manufacturer representative that sells and supports HVAC and plumbing products — including pumps, boilers, water heaters, hydronic system components, steam and condensate equipment, variable frequency drives, glycol solutions, and plumbing systems — through a network of wholesale distributors to mechanical contractors, engineering specifiers, and facility managers across Northern Ohio and Michigan. The firm also provides system design engineering, product selection and design tools, factory training, startup and warranty services, and ongoing parts and maintenance support.

Product overview

R.L. Deppmann is a manufacturer representative firm serving Northern Ohio and Michigan since 1927. The company provides HVAC and plumbing products through its represented manufacturer brands, organized into product categories including Pumps and Accessories, Boilers and Water Heaters, Hydronic Systems, Plumbing Systems, Steam and Condensate, Variable Frequency Drives, Glycol Solutions, Snowmelt Designs, and Water Solutions. Key represented brands include Bell & Gossett (Xylem) pumps, valves, and system components; AERCO Benchmark boilers; PVI Conquest water heaters; Metraflex expansion joints; and Danfoss variable frequency drives. The company also provides system design engineering, selection and design tools (including Bell & Gossett System Syzer), training, startup services, and parts support. R.L. Deppmann operates through locations in Cleveland (Ohio), Detroit and Saginaw (Michigan), and Grand Rapids (Michigan), supporting contractors, engineers, and end users in their territory.

Differentiator

Problem solved

Functional benefit

Products and services

• Pumps and Accessories Comprehensive range of pumps including centrifugal pumps, variable speed pumps, condensate pumps, sump and sewage pumps, and related accessories for hydronic HVAC systems; includes Bell & Gossett e-series pumps and Rolairtrol air separators.
• Boilers and Water Heaters Commercial and industrial boilers including AERCO Benchmark condensing boilers and water heaters such as PVI Conquest water heaters for commercial and industrial heating applications.
• Hydronic Systems Complete hydronic heating and cooling system solutions including air separators, expansion tanks, heat exchangers, valves, and system components for commercial HVAC applications.
• Plumbing Systems Commercial and industrial plumbing system components including pressure boosters, hot water systems, and related equipment for building plumbing infrastructure.
• Steam and Condensate Steam system equipment including condensate pumps, boiler feed systems, steam traps, and steam distribution components for commercial and industrial steam applications.
• Variable Frequency Drives (VFDs) Variable frequency drives and controls (including Danfoss VFDs) for pump speed regulation and energy savings in HVAC hydronic systems across Northern Ohio, Michigan, and West Michigan.
• Glycol Solutions Glycol-based heat transfer fluids and installation services for data center cooling, climate control, and tower cooling applications.
• Snowmelt Designs Snow and ice melting system designs using hydronic heating technology for walkways, driveways, and parking areas.
• Water Solutions Water treatment and quality solutions for HVAC and plumbing systems including chemical feed and filtration systems, and Badger Meter flow metering solutions (M2000 magnetic flow meters).
• Startup and Warranty Services Equipment startup, commissioning, and warranty support services for HVAC and plumbing systems installed by contractors in Northern Ohio and Michigan.
• Service and Maintenance Ongoing maintenance, repair, and technical service support for installed HVAC and hydronic equipment, available to contractors and end-user facility managers.
• System Design Engineering Engineering design support including system specifications, product recommendations, energy code compliance guidance, and selection/design tools such as the Bell & Gossett System Syzer software for HVAC and plumbing system design projects.

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Four partnerships are on record, tiered core and minor.

• Bell and Gossett (Xylem)coreChannel Partner/ Reseller/ DistributorLong-standing manufacturer representative relationship. In 1929, R.L. Deppmann became the first or second stocking representative of Bell and Gossett pumps. Primary supplier of pumps, valves, and hydronic system components.
• DanfosscoreChannel Partner/ Reseller/ DistributorDanfoss VFD (variable frequency drive) products distributed through expanded territory including West Michigan. Deppmann has expanded its Danfoss territory to include West Michigan.
• Badger MeterminorChannel Partner/ Reseller/ DistributorProvides flow metering solutions including Badger M2000 magnetic flow meters for hydronic systems.
• MetraflexminorChannel Partner/ Reseller/ DistributorSupplier of expansion joints and flexible connectors for hydronic systems. Alternative option to Bell and Gossett triple duty valves.

Scale indicators3 records

Recent moves9 records

Expansion highlights4 records

Others

• Bell & Gossett (Xylem Inc.): Xylem's Bell & Gossett division is R.L. Deppmann's foundational manufacturer principal since 1929 and the brand around which Deppmann built its hydronic-system value proposition. Included as the key represented principal that defines Deppmann's technical credibility with engineering specifiers.

Broad incumbents

• Watts Water Technologies: Watts is the parent company of AERCO (boilers) and a major manufacturer of plumbing, water heating, and flow-control products that overlap directly with Deppmann's represented portfolio. Comparable as a broad-line incumbent whose products compete with and complement the brands Deppmann distributes.
• Danfoss: Global manufacturer of variable frequency drives, HVAC controls, and District Energy solutions. Deppmann is an authorized Danfoss rep in West Michigan; comparable as a manufacturer whose product line Deppmann sells and whose broader portfolio competes with adjacent lines in Deppmann's portfolio.
• Grundfos: Global pump manufacturer whose commercial and hydronic pump lines compete head-to-head with Bell & Gossett products that Deppmann represents. Comparable as a broad incumbent whose products flow through competing rep channels and whose commercial strategy influences Deppmann's pump-portfolio positioning.
• Taco Comfort Solutions: Manufacturer of hydronic pumps, heat exchangers, and commercial water-heating systems that compete directly with Bell & Gossett and AERCO products distributed by Deppmann. Comparable as an established hydronic-systems incumbent in the same specifier-driven commercial channel.
• Victaulic: Manufacturer of mechanical pipe-joining systems, valves, and grooved couplings widely used in commercial HVAC and plumbing alongside hydronic and steam systems. Comparable as a major mechanical-systems brand sold through manufacturer's reps to the same contractor and engineer customer base.
• NIBCO INC. Manufacturer of commercial and residential plumbing valves, fittings, and flow-control products distributed through wholesalers to mechanical contractors. Comparable as a long-established plumbing-products incumbent whose channels and customers overlap with Deppmann's plumbing-systems line.
• Caleffi Hydronic Solutions: Manufacturer of hydronic system components — balancing valves, air separators, thermostatic controls — that compete with Bell & Gossett and Caleffi lines represented by Deppmann. Comparable as a specialized hydronic incumbent serving the same engineering-specifier channel.
• Ferguson Enterprises: Largest North American wholesale distributor of plumbing, HVAC, and waterworks products serving mechanical contractors. Comparable as a dominant channel intermediary between the same manufacturers Deppmann represents and the same contractor customers, with greater scale and digital ordering capability.
• Winsupply Inc. Major plumbing, HVAC, and industrial distribution company operating through local affiliate companies serving mechanical contractors across the Midwest. Comparable as an incumbent wholesale channel competing for the same contractor customers that Deppmann supports through its stocking-rep role.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCv4nDygZkdet13WOG1tuH8Q
• LinkedInlinkedin.com/company/707518

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 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 R.L. Deppmann