PremiStar

What PremiStar does

PremiStar is a commercial mechanical services platform providing HVAC, plumbing, building automation and controls, sheet metal, piping, refrigeration, and design-build services to commercial, industrial, institutional, healthcare, education, municipal, and government customers. The company operates 62 branch locations across 19 states with 3,100+ employees (including 2,350 field service technicians), 24/7 emergency response, and over 5,500 preventive maintenance contracts covering an installed base of 16,000 customers. Service is delivered directly through regional branch teams led by Regional Presidents (North and South) and supported by an SVP of Commercial Development focused on organic growth and pricing, plus a VP of M&A (Bill Tamul) running a dedicated acquisitions program targeting owner-operated HVAC, plumbing, and building controls companies with $10M-$100M in annual revenues.

The business generates revenue across four streams: (1) recurring service and maintenance contracts (preventive maintenance plus emergency repair), (2) installation and design-build project revenue, (3) parts and equipment replacement, and (4) building automation/controls work. Pricing is custom-quoted per engagement with multi-year service agreements; specific rates and contract values are not publicly disclosed. Founded in 1930 as Reedy Industries and rebranded as PremiStar in July 2022, the company is owned by Partners Group (a $185B AUM private markets firm that took the primary sponsor role in 2021, succeeding Audax Private Equity). Under CEO Joe Kirmser, who joined in 2019, the company has executed 40+ acquisitions and reported 6x+ revenue and EBITDA growth through June 2026. Field technicians are equipped with XOi Technologies' AI- and AR-driven tools; acquired regional brands are largely retained post-close.

Name

PremiStar

Legal name

PremiStar

Website

https://premistar.com

Company type

Private

Founded year

1930

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

PremiStar (formerly Reedy Industries, founded 1930) is a Partners Group-backed commercial HVAC, plumbing, and building automation services platform operating 62 locations across 19 states, employing 3,100+ staff (including 2,350 field technicians), and serving 16,000+ commercial, industrial, institutional, and government customers with recurring service and design-build delivery.

Ownership category

akta.pro rank

Product category

Commercial HVAC and Mechanical Services

NAICS

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Commercial and Service Industry Machinery Manufacturing (333310)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Auto Controls For Regulating Residential & Comml Environments (3822), Refrigeration & Service Industry Machinery (3580)

akta.pro primary industry

Commercial HVAC Maintenance Agreements & PM Programs (HSAOAHAJ)

akta.pro secondary industries

Chillers, Boilers & Central Plant Operations (BPABACAG), Refrigeration Components & Controls (Compressors, Valves, Sensors) (IMAHAKAH), Blast Chiller & Specialty Refrigeration Service (HSAOAJAJ)

Keywords

• Commercial HVAC services
• Plumbing services
• Building automation controls
• Preventive maintenance programs
• Mechanical contracting

Headquarters

HQ city

Deerfield

HQ country

United States

HQ region

North America

Offices52 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Service and Maintenance: Recurring service contracts, emergency repairs, and preventive maintenance for HVAC, plumbing, and building automation systems. The company offers 24/7 emergency service and maintains over 5,500 preventive maintenance contracts.
2. Installation and Design-Build Projects: New installation and design-build project services for commercial and industrial facilities including HVAC systems, sheet metal, piping, and building controls.
3. Preventive Maintenance Contracts: Customizable preventive maintenance programs designed to improve system reliability and efficiency, generating recurring revenue.
4. Parts and Equipment: Replacement parts, equipment upgrades, and end-of-life unit replacements with cost-benefit analysis.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

PremiStar provides commercial HVAC, plumbing, and building automation/controls services through 62 branch locations across 19 states. Its offerings include design-build installation, 24/7 emergency mechanical repair, customizable preventive maintenance contracts, chiller and boiler services, ventilation, sheet metal fabrication, and controls engineering for commercial, industrial, municipal, government, healthcare, educational, and manufacturing facilities.

Product overview

PremiStar is a nationwide network of commercial HVAC, plumbing, and building automation service providers operating across 19 states. The company offers a unified portfolio of core mechanical services including HVAC mechanical services, plumbing services, building automation and controls, preventive maintenance programs, emergency repair services, and specialized offerings such as chiller services, boiler services, ventilation systems, sheet metal and ductwork, and design/build construction services. PremiStar operates through a combination of PremiStar-branded regional locations (Illinois, Indiana, Iowa, Wisconsin) and acquired subsidiary companies that retain their brands post-acquisition. The acquired brands include industry specialists across the country including Air Temp Mechanical (Connecticut), Armistead Mechanical (New Jersey/New York), Mechanical Service & Systems (Utah), Smith's Refrigeration (North Carolina), Rabe Environmental Systems (Pennsylvania), Farmer & Irwin (Florida), B.T. Lindsay & Co. (Connecticut), Chadwick Service Company (Pennsylvania), Trademark Mechanical (New York), Entek Solutions and Encom (Georgia/Tennessee), Bear Mountain Mechanical (Colorado), Golding Mechanical Services (Tennessee), Professional Pipe (North Carolina), Mechanical Service Inc. (Iowa), McCormick Allum (Massachusetts), SI Mechanical (Texas), and numerous others. Together, these companies provide comprehensive mechanical services to commercial, municipal, government, healthcare, educational, and industrial customers.

Differentiator

Problem solved

Functional benefit

Products and services

• HVAC Mechanical Services Full-service mechanical contractor providing commercial HVAC services including 24/7 emergency repair, preventive maintenance, design/build projects, controls, and plumbing with certified technicians, sheet metal mechanics, pipe fitters, and certified welders.
• Plumbing Services Commercial and industrial plumbing services including 24/7 emergency plumbing, new installation, equipment and fixture replacement, drain/sewer cleaning, backflow testing, and gas lines for commercial and industrial customers.
• Building Automation and Controls Building control systems for air conditioning and heating including engineering, design, programming, installation, and maintenance support for automation systems. Services all major OEMs and technology standards.
• Preventive Maintenance Programs Customizable preventive maintenance programs designed to improve system reliability and efficiency, reduce energy and maintenance costs, and extend equipment life for commercial HVAC, plumbing, and building automation systems.
• Emergency Mechanical Services 24/7 emergency repair service for heating, cooling, refrigeration, and other mechanical systems with rapid response times for commercial and industrial customers.
• Design/Build Services Construction services from small rooftop replacements to large-scale data centers, with project managers, superintendents, foremen, and journeymen handling field crews for largest and most accelerated project schedules.
• Chiller Services Chiller maintenance and repair including eddy current inspections, oil analysis, vibration analysis, chiller teardowns, refrigerant retrofits, purge retrofits, VSD retrofits, and centrifugal/screw chiller services for all manufacturers.
• Boiler Services Boiler maintenance and repair including tube replacement, burner retrofit, combustion analysis and tuning, and factory-certified technicians for all boiler manufacturers including PK Boilers.
• Ventilation Systems Industrial ventilation and exhaust services including design and installation (dilution, air quality, fan exhaust ventilation), ventilation repair, and maintenance services.
• Sheet Metal and Ductwork Custom sheet metal fabrication services for commercial heating and cooling systems, including piping systems and ductwork for manufacturing, food processing, hospitals, and hospitality facilities.
• Commercial Air Conditioning Installation and maintenance of commercial air conditioning, process cooling, and indoor quality systems from rooftop units and packaged systems to complex chillers, boilers, and central plants.
• Industrial Heating Installation and maintenance of commercial heating systems including make-up heaters, unit ventilators, electric heaters, forced air furnaces, heat pumps, infrared tube heaters, and warehouse unit heaters.

Named customers13 records

Segments8 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

21 partnerships are on record, tiered core and minor.

• Mechanical Service & Systems (MSS)coreStrategic or Co-development Partner · 10 June 2026Founded in 1984, MSS is a full-service mechanical contractor in Salt Lake City, Utah, offering design-build, installation, repair, preventive maintenance, HVAC, plumbing, boilers, controls, and fabrication. The partnership extends PremiStar's capabilities to Utah and strengthens commitment to manufacturing, mission-critical, healthcare, life sciences, education, aerospace, and commercial real estate sectors. MSS received Rio Tinto's 'Contractor of the Year – Worldwide' award in 2022.
• Armistead MechanicalcoreStrategic or Co-development Partner · 21 April 2026Founded in 1917, Armistead Mechanical provides mechanical construction and contracting services in New Jersey and Hudson Valley region of New York. Specializes in industrial and process piping, fabrication and installation, plumbing, HVAC design and installation, temperature controls, and preventive maintenance. Five-generation family business.
• McCormick AllumcoreStrategic or Co-development Partner · 13 February 2026The oldest HVAC company in Massachusetts, McCormick Allum provides commercial heating and cooling services including preventive maintenance, equipment repair, replacement, installation, and 24-hour emergency service. Has in-house expertise in refrigeration, sheet metal fabrication, pipefitting, plumbing, electrical, and design and engineering.
• Smith's RefrigerationcoreStrategic or Co-development Partner · 21 October 2025Established in 1957, Smith's Refrigeration is a full-service mechanical contractor in Lumberton, North Carolina with offices in Raleigh. Licensed in NC and SC for refrigeration, electrical, medical gas, mechanical, and plumbing. Has 50,000-square-foot fabrication facility and LEED construction support capabilities.
• Rabe Environmental SystemscoreStrategic or Co-development Partner · 22 July 2025Founded in 1916, Rabe Environmental Systems specializes in designing, installing, and servicing heating, air conditioning, piping, plumbing, and building automation/energy management systems for industrial, commercial, and institutional customers in Northwestern Pennsylvania and tri-state Great Lakes region.
• Farmer & IrwincoreStrategic or Co-development Partner · 16 July 2025Founded in 1956, Farmer & Irwin is one of the largest mechanical contractors in Southeast Florida. Specializes in designing, installing, and servicing HVAC, plumbing, and fire sprinkler systems. Has 250 employees and serves commercial, industrial, institutional, and real estate sectors.
• B.T. Lindsay & Co.coreStrategic or Co-development Partner · 17 June 2025Founded in 1984, B.T. Lindsay & Co. is a commercial HVAC design/build installation and service provider in West Hartford, CT. Develops longstanding trusted relationships with religious organizations, schools, and commercial/industrial companies. Operates as a division of Air Temp Mechanical.
• Dahme Mechanical Industries (HVAC Division)minorStrategic or Co-development Partner · 4 March 2025Dahme Mechanical Industries' HVAC services division based in Countryside, IL was acquired. Led by Eric Simadis with two decades of experience supporting commercial, industrial, and institutional customers. Employees and customers joined PremiStar's Frankfort (IL) operations.
• Air Temp MechanicalcoreStrategic or Co-development Partner · 21 January 2025Founded in 2001, Air Temp Mechanical is Connecticut's largest independent commercial HVAC contractor. Located in Central Connecticut with 188 employees. Provides energy services, HVAC/mechanical installation, maintenance and repairs, building controls, plumbing, and sheet metal fabrication.
• Trademark MechanicalcoreStrategic or Co-development Partner · 15 January 2025Founded in 1990, Trademark Mechanical is a commercial HVACR and controls contractor in Elmsford, NY (suburb of NYC). Provides HVACR repairs, maintenance, installations and controls for customers throughout Manhattan, Queens, Brooklyn, and the Bronx. Specializes in NYC's unique challenges including limited space and space-saving systems.
• Chadwick Service CompanycoreStrategic or Co-development Partner · 10 December 2024Commercial heating and air conditioning contractor based in Bensalem, PA (suburb of Philadelphia). Expands PremiStar's commercial HVAC/plumbing footprint in Philadelphia region.
• Conditioned Air DesigncoreStrategic or Co-development Partner · 13 November 2024Commercial heating and air conditioning contractor based in West Allis, WI (suburb of Milwaukee). Expands PremiStar's commercial HVAC services footprint in Wisconsin.
• SI MechanicalcoreStrategic or Co-development Partner · 12 June 2024Full-service HVAC and plumbing contractor based in Creedmoor, TX (suburb of Austin). Expands PremiStar's HVAC and plumbing services footprint in the Austin, TX area.
• Mercury MechanicalcoreStrategic or Co-development Partner · 15 February 2024Full-service HVAC, sheet metal, and piping contractor in Northlake, IL. Expands PremiStar's HVAC services footprint in the Chicago area.
• Johansen & AndersoncoreStrategic or Co-development Partner · 12 February 2024Full-service HVAC, refrigeration, and piping contractor in Joliet, IL. Expands mechanical service offerings and service density in Illinois.
• Entek Solutions and EncomcoreStrategic or Co-development Partner · 17 January 2024Entek Solutions is a full-service HVAC company headquartered in Buford, GA. Encom is an engineered comfort service provider based in Knoxville, TN. Expands PremiStar's HVAC services footprint in Atlanta Metro, Georgia, and Tennessee.
• Bear Mountain MechanicalcoreStrategic or Co-development Partner · 11 December 2023Full-service HVAC company headquartered in Englewood, CO. Expands PremiStar's service offerings and presence in the Denver metropolitan area across various market segments.
• Golding Mechanical ServicescoreStrategic or Co-development Partner · 12 October 2023Memphis-based HVAC and controls contractor providing chiller, boiler, and piping system installation and design across multiple sectors. Strong reputation among national and local clients. Expands PremiStar's mechanical service offerings and regional footprint in Tennessee.
• Professional Pipe, LLCcoreStrategic or Co-development Partner · 10 August 2023Process piping company providing installation services coast-to-coast. Based in Norwood, NC. Expands PremiStar's industrial piping services and nationwide service capacity and customer relationships.
• Mechanical Service, Inc. (MSI)coreStrategic or Co-development Partner · 12 August 2022Major HVAC contractor in Iowa City, IA. Serving local businesses since 2008. This was PremiStar's 19th acquisition since 2019. Part of strategy of organic growth and further acquisitions. MSI continued to operate under current leadership.
• XOi TechnologiescoreTechnology or Integration · 11 January 2022Strategic collaboration to equip PremiStar's field technicians with AI and AR-driven technology solutions. XOi Technologies is a leading provider of technician-focused technology solutions that enhance service delivery and customer experience.

Scale indicators11 records

Recent moves9 records

Expansion highlights5 records

Broad incumbents

• EMCOR Group: Large public mechanical and electrical construction and facility services firm with broad service portfolio including HVAC, plumbing, and controls. Comparable end-markets (commercial, industrial, healthcare) but at substantially greater scale and diversification.
• Carrier Global (Commercial HVAC): Global HVAC OEM with adjacent commercial service and controls operations. Indirect comparison given equipment-manufacturer model, but key customer/supplier relationship for PremiStar's installed base and aftermarket service.
• ABM Industries: Public integrated facility services provider with HVAC, mechanical, and building maintenance offerings. Operates at much larger scale across broader service categories but overlaps on commercial HVAC service delivery to enterprise accounts.

Direct peers

• APi Group: Public safety, specialty, and industrial services platform with major HVAC/mechanical services exposure through APi HVAC division. Closely comparable as a PE-influenced, acquisition-driven commercial mechanical services consolidator.
• Comfort Systems USA: Public national commercial HVAC, plumbing, and electrical services roll-up with comparable multi-region branch model and design-build plus recurring service mix. Most direct public comp for PremiStar's go-to-market and acquisition strategy.
• Limbach Holdings: Public specialty mechanical services contractor focused on HVAC, plumbing, and building controls with similar recurring service and design-build mix. Closely comparable in customer verticals and operating model.
• Service Logic: Private PE-backed (Brookfield) commercial HVAC, mechanical, and energy services roll-up. Directly comparable in size, acquisition strategy, and end-market focus; one of the most direct private-market competitors.
• Star Group: Public commercial HVAC and mechanical services contractor with multi-state branch network. Comparable scale and operating model; one of the closest direct public peers for PremiStar's commercial service profile.
• IES Holdings: Public electrical and mechanical services contractor with commercial HVAC and building automation exposure. Comparable in target verticals and project-based plus recurring service mix.

Emerging players

• Controlled Holdings: Private PE-backed building automation and HVAC services roll-up. Comparable in building controls focus and acquisition-driven model, but smaller and more focused on the controls niche than PremiStar.

Market position

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/premistar
• Xx.com/PremiStarUS

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries37 records

Funding overview

Funding rounds1 record

Investors1 record

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

M&A41 records

Investments

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

Frequently asked questions about PremiStar