What Holbrook Service does

Holbrook Service Inc. is a fourth-generation, family-owned commercial HVAC, building automation controls, and facility management services provider headquartered in Salt Lake City, Utah. The current entity was established in 1987 when John Holbrook spun off the service department of the original Holbrook Company Inc. (founded by Ben Holbrook in 1955) to focus on the Intermountain West market; the firm employs 101–250 staff and operates branch offices in Salt Lake City, Denver, Colorado Springs, and a forthcoming Boise location, serving customers across Utah, Colorado, Wyoming, Idaho, and Nevada with 24/7/365 emergency service. Multiple named clients report 20–25+ year tenures, underscoring the relationship-driven, account-based go-to-market model. Ownership remains with the founding family (CEO Shelby Stewart, promoted 2010), with no disclosed institutional investors or parent company.

The company's offering is organized around four core service lines: (1) preventative maintenance programs on multi-year recurring contracts; (2) on-demand service and repair for HVAC systems; (3) retrofit projects covering equipment replacement, needs analysis, and project execution; and (4) Building Automation Controls, including engineering, installation, integration, and remote monitoring of facility control systems. Through the Servco subsidiary (acquired in 2001), Holbrook is the exclusive Cleaver-Brooks boiler representative for Utah, Eastern Idaho, and Western Wyoming, functioning as a premier boiler service provider for the region. The Controls Division, launched in 2015, integrates a broad set of BAS platforms—Siemens Desigo PXC and Talon N4, Trane, Carrier (including iVue), Johnson Controls (including N2 and BACnet), Alerton, Honeywell, Delta DDC, and Skyspark—and supplies the underlying Siemens Desigo PXC controllers as a Siemens partner. Underlying technology is therefore a multi-vendor controls integration and HVAC mechanical service stack rather than a proprietary software product.

Revenue mechanics are professional services plus recurring maintenance contracts priced on a per-facility, customized quote basis; pricing is not publicly disclosed. The customer base spans data centers (NOVVA, Comcast, Agilent, Flywheel), healthcare (Sloans Lake Medical Center, Cedar Springs Hospital), government (State of Colorado, Town of Castle Rock, Town of Parker, El Paso Sheriff's Department), financial services (Wells Fargo), industrial (Marble Distillery), education (Douglas County School District), religious/nonprofit (First Christian Church, Young Life), and general commercial real estate (Lowell 17). Distribution is direct-to-customer via field service technicians with no resellers or distributors; marketing channels are limited to the company website, portfolio case studies, and customer testimonials. The largest demonstrated engagements (NOVVA 120,000 sq ft data center renovation with four 750-ton centrifugal chillers; Whiting-Turner 1.3M sq ft USAA building; Wells Fargo multi-site mechanical and controls upgrades) indicate that project sizes can be substantial relative to headcount.

Name

Holbrook Service

Legal name

Holbrook Service Inc.

Website

https://holbrookservice.com

Company type

Private

Founded year

1987

Operating status

Operating

Headcount range

101–250 employees

Short description

Holbrook Service is a fourth-generation, family-owned commercial HVAC and building automation services provider in the Intermountain West delivering preventative maintenance, repair, retrofit, and BAS controls integration to data center, healthcare, government, and commercial customers across Utah, Colorado, Wyoming, Idaho, and Nevada.

Ownership category

akta.pro rank

Product category

Commercial HVAC Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (238220)

SIC

Services-To Dwellings & Other Buildings (7340)

akta.pro primary industry

Chillers, Boilers & Central Plant Operations (BPABACAG)

akta.pro secondary industry

Boiler & Hydronic Heating Repair & Service (HSAOAHAG)

Keywords

• Commercial HVAC services
• Building automation controls
• HVAC preventative maintenance
• HVAC retrofit projects
• Facility management services

Headquarters

HQ city

Salt Lake City

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. HVAC Service & Repair: On-demand and emergency HVAC repair services for commercial facilities. Reactive and scheduled maintenance services billed per project/job.
2. Preventative Maintenance Programs: Customized preventative maintenance agreements tailored to facility and equipment needs. Recurring service contracts with flexible terms.
3. Retrofit Projects: Equipment replacement and upgrade projects including analysis, budgeting assistance, and project execution.
4. Building Controls Services: State-of-the-art building automation solutions, engineering, installation, and remote monitoring of facility control systems.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Holbrook Service is a fourth-generation family-owned commercial HVAC service provider operating across the Intermountain West (Utah, Colorado, Wyoming, Idaho, and Nevada). The company sells four core service lines: HVAC Preventative Maintenance Programs, Service & Repair, Retrofit Projects, and Building Automation Controls. It also operates a wholly-owned boiler services subsidiary called Servco, acquired in 2001.

Product overview

Holbrook Service is a commercial HVAC service provider offering a unified portfolio of four core services: Preventative Maintenance Programs, Service & Repair, Retrofit Projects, and Building Automation Controls. The company operates as a 4th generation family-owned business serving the Intermountain region (Utah, Colorado, Wyoming, Idaho, and Nevada). The Building Automation Controls division (added in 2015) provides state-of-the-art solutions and platforms for facility operation and analysis. The company also includes Servco, an acquired subsidiary specializing in boiler services with Cleaver-Brooks exclusive representation.

Differentiator

Problem solved

Functional benefit

Products and services

• HVAC Preventative Maintenance Programs Customized preventative maintenance programs aligned with facility and equipment needs, designed to maximize efficiency, extend equipment life, and ensure employee comfort for commercial and institutional facilities.
• HVAC Service & Repair Scheduled and emergency HVAC repair services for commercial facilities, delivered 24/7/365 by highly skilled field technicians to minimize downtime and address system issues quickly and effectively.
• HVAC Retrofit Projects Equipment retrofit and upgrade services for commercial HVAC systems, including needs analysis, flexible project execution, equipment replacement strategy planning, and project execution to high standards.
• Building Automation Controls State-of-the-art building automation and controls solutions including engineering, installation, remote monitoring, and integration of BAS platforms such as Siemens Desigo PXC, Trane, Carrier, JCI, Alerton, Honeywell, and Delta DDC systems.
• Servco Boiler Services Premier boiler service provider covering Utah, Wyoming, and Idaho, offering exclusive Cleaver-Brooks boiler manufacturing representation, installation, and servicing throughout the Intermountain West.

Quantifiable outcome

• Equipment life extension through preventative maintenance
• +2 more outcomes

Named customers18 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration7 records

Feature1 record

Partnerships

Two partnerships are on record, tiered core.

• Cleaver-BrookscoreTechnology or Integration · 1 January 2005Through Servco (acquired by John Holbrook in 2001), Holbrook became the exclusive representative for Cleaver-Brooks boiler manufacturing throughout Utah, Eastern Idaho, and Western Wyoming. Servco is the premier boiler service provider for the Intermountain West.
• SiemenscoreTechnology or IntegrationHolbrook Service is a Siemens partner offering control solutions for building automation needs. They provide Siemens Desigo PXC controllers and have completed joint case studies for data centers and commercial facilities. Siemens is featured prominently in Holbrook's building controls portfolio.

Scale indicators4 records

Recent moves10 records

Expansion highlights5 records

Direct peers

• Service Logic: PE-backed commercial HVAC, mechanical, and building services platform operating across multiple U.S. regions. Directly comparable service portfolio, customer segments (commercial/industrial/institutional), and recurring service revenue model. Closest private-market analog for Holbrook at a similar stage prior to consolidation.
• Evergreen Services Group: PE-backed commercial HVAC and refrigeration service platform with regional operators across the U.S. Comparable business model to Holbrook: recurring PM contracts, retrofit projects, multi-vendor BAS capability, and similar customer verticals (commercial, healthcare, government).
• Limbach Holdings: Public commercial mechanical services and building controls contractor focused on owner-direct relationships across multiple U.S. regions. Closely comparable business model to Holbrook: HVAC service, retrofit, and building automation controls integrated across multiple BAS platforms.

Broad incumbents

• Siemens Smart Infrastructure: Holbrook's primary BAS OEM partner (Desigo PXC, Talon N4). Siemens' direct service and digital building operations offerings compete with the integration and ongoing service revenue Holbrook captures from Siemens-installed systems at customers like NOVVA and Wells Fargo.
• APi Group: Public safety, specialty, and industrial services platform that owns multiple mechanical service businesses serving commercial facilities. Comparable in customer overlap (data centers, healthcare, government) and recurring service revenue model; significantly larger and acquisitive.
• Johnson Controls: Global building automation systems manufacturer and service provider (JCI, York, Tyco). Holbrook already services JCI N2 and BACnet platforms; JCI's own service arm and digital service platform is a partial substitute and partial channel partner for Holbrook's integration work.
• Carrier Global: Global HVAC and building automation manufacturer with a commercial service network. Holbrook services Carrier iVue systems and competes with Carrier's direct service organization for ongoing controls and equipment maintenance contracts in commercial facilities.
• Comfort Systems USA: Large publicly traded commercial mechanical contractor providing HVAC installation, service, and building automation solutions through 40+ operating companies across the U.S. Comparable service portfolio and customer base to Holbrook, but at national scale through acquisition-driven growth.
• EMCOR Group: Fortune 500 provider of mechanical and electrical construction, facilities services, and building automation for commercial, industrial, and utility customers. Direct overlap with Holbrook's HVAC service and controls offerings, but operating nationally with vastly larger scale and full MEP capability.
• Trane Technologies: Global HVAC equipment manufacturer with a large commercial service and controls arm. Holbrook integrates and services Trane BAS systems; Trane's direct service organization is both a customer channel (preferred integrator) and a competitive threat on long-term service contracts.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

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 Holbrook Service