Nason Mechanical Systems

Name

Nason Mechanical Systems

Legal name

Nason Mechanical Systems

Website

https://nasonmechanical.com

Company type

Private

Founded year

1933

Operating status

Acquired

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Mechanical Contracting and HVAC Services

NAICS

Commercial and Service Industry Machinery Manufacturing (333310)

SIC

Heating Equipment, Except Electric & Warm Air Furnaces (3433)

akta.pro industry

PRIMARYBPABACAG

Chillers, Boilers & Central Plant Operations

Business & Public Services/Facilities Management & Building Services/Building Engineering & Technical Maintenance (MEP/HVAC)

SECONDARYBPABACAB

Mechanical Piping, Pumps & Hydronics Maintenance

Business & Public Services/Facilities Management & Building Services/Building Engineering & Technical Maintenance (MEP/HVAC)

SECONDARYHSAOAHAG

Boiler & Hydronic Heating Repair & Service

Home & Personal Services/Plumbing, Electrical & HVAC Services/HVAC Repair, Maintenance & Tune-Ups

SECONDARYIMAHAKAD

Boilers, Furnaces & Process Heating Equipment

Industrials, Manufacturing & Construction/Industrial Machinery & Heavy Equipment/Refrigeration, HVAC & Thermal Equipment

Keywords

• HVAC services
• Mechanical contracting
• Design build construction
• Commercial plumbing services
• Industrial piping systems

Headquarters

HQ city

Auburn

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction Services: Mechanical systems construction including HVAC, boiler installations, refrigeration, plumbing, industrial piping, building control systems, and medical gas piping for commercial and industrial new construction and renovation projects. Projects delivered on Design/Build or plan and spec/bid basis.
2. Services and Maintenance: Preventive maintenance tailored to client needs with 24-hour emergency service available including weekends and holidays. Multi-skilled technicians service equipment installed as well as all heating and cooling equipment, control systems and plumbing.
3. Steam Plant Management: Long-term or short-term operation and management of high-pressure steam plants under contract. Currently operating 1500 horsepower plant under long-term management.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Nason Mechanical Systems is a full-service mechanical contractor delivering HVAC, plumbing, industrial piping, refrigeration, building control systems, and medical gas piping for commercial, industrial, healthcare, educational, and institutional facilities in Central and Southern Maine. The company offers integrated Design/Build project delivery, in-house PE-stamped engineering, 24/7 preventive maintenance, high-pressure steam plant management, and energy efficiency services as an Efficiency Maine Qualified Partner.

Product overview

Nason Mechanical Systems is a full-service mechanical/HVAC contractor offering a unified portfolio of services rather than discrete software products. The core offerings include Construction (HVAC, plumbing, industrial piping), Design/Build (integrated design and installation), Services and Maintenance (24/7 repair and preventive maintenance), In-House Engineering and Design (PE-stamped CADD drawings), High Pressure Steam Plant Management, and Energy Efficiency and Conservation services. The company operates as a single unified service model where Design/Build serves as the primary delivery method, supported by in-house engineering capabilities and backed by comprehensive maintenance services. The company specializes in commercial, industrial, medical, educational, food service, and institutional markets in Central and Southern Maine.

Differentiator

Problem solved

Functional benefit

Products and services

• Services and Maintenance Preventive maintenance tailored to client needs with 24-hour on-call skilled technicians available for service or repair including weekends and holidays, covering equipment Nason installed as well as all heating, cooling, control systems, and plumbing. Intended for commercial and industrial facility owners in Central and Southern Maine.
• Construction Commercial and industrial mechanical systems construction including HVAC, boiler installations, refrigeration, plumbing, industrial piping, building control systems, energy management, medical gas piping, and historic renovations. Delivered for general contractors on plan and spec or bid basis and directly to property owners.
• Design/Build Integrated design and construction services providing compressed timelines, higher quality, and reduced change orders with a single point-of-contact engineer from inception to completion. Targeted at commercial, industrial, healthcare, educational, and institutional project owners.
• In-House Engineering and Design PE-stamped CADD drawings for mechanical and plumbing projects delivered by a three-person LEED-accredited engineering department, backed by $1,000,000 in professional liability insurance. Supports design/build projects and plan and spec construction.
• High Pressure Steam Plant Management Fully licensed and insured operation and management of gas, oil, and solid fuel fired high-pressure steam plants on long-term or short-term contract basis, with current management of a 1500 horsepower plant. Serves industrial and institutional facility owners operating high-pressure steam infrastructure.
• Energy Efficiency and Conservation Energy audits, financial modeling, first-cost and life-cycle cost analyses, and implementation of energy-saving equipment delivered as an Efficiency Maine Qualified Partner. Supports commercial and industrial clients pursuing energy cost reduction and sustainability certifications.

Quantifiable outcome

• Design/Build projects delivered faster with higher quality and without change orders at lower final cost than traditional plan and spec construction
• +2 more outcomes

Named customers8 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

Feature3 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Fidelity Building Services GroupcoreStrategic or Co-development Partner · 15 October 2024Fidelity Building Services Group acquired Nason Mechanical Systems in October 2024, expanding Fidelity's presence into Maine. Nason Mechanical Systems operates as A Fidelity Company with integration into the Fidelity Building Services Group family of companies. Job opportunities are posted through Fidelity's DayForce HCM system.
• U.S. Green Building CouncilminorOthersProfessional affiliation as member organization supporting sustainable building practices and LEED accreditation
• American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE)minorOthersProfessional affiliation with engineers holding ASHRAE memberships and credentials
• New England Healthcare Engineers' SocietyminorOthersProfessional affiliation supporting healthcare facility engineering expertise
• Maine Indoor Air Quality CouncilminorOthersProfessional affiliation supporting indoor air quality expertise in Maine
• Efficiency MainecoreOthersEfficiency Maine Qualified Partner status enables Nason to maximize client energy savings incentives and work as an approved efficiency contractor within Maine programs
• Refrigeration Service Engineers SocietyminorOthersProfessional affiliation supporting refrigeration engineering expertise

Scale indicators5 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Wright-Ryan Construction: Maine-based design/build construction firm with a strong mechanical contracting practice serving institutional, healthcare, and higher education clients across Northern New England. Most direct geographic and service-line overlap with Nason, including design/build delivery and energy-efficiency focus.
• Hews Company LLC: Southern Maine mechanical contractor providing HVAC, plumbing, and process piping to commercial, industrial, and institutional clients. Comparable in size, geographic reach, and integrated design/build delivery model.
• Limbach Holdings, Inc. Publicly traded mechanical, electrical, plumbing (MEP) contractor focused on design/build and retro-commissioning for healthcare, education, and commercial clients. Closest direct peer at scale, with a similar integrated delivery model and energy services positioning.
• Service Logic: Private mechanical services platform formed via private-equity roll-up, providing HVAC, plumbing, and building controls with a recurring maintenance orientation. Directly comparable business model and recurring-revenue emphasis.

Broad incumbents

• Comfort Systems USA: Large publicly traded national mechanical contractor serving commercial, industrial, and institutional markets. Overlaps in HVAC, plumbing, and building controls but operates at much greater scale and geographic breadth than Nason.
• EMCOR Group, Inc. Global mechanical/electrical facilities services and energy-services firm. Competes with Nason on institutional, healthcare, and industrial mechanical work as part of a much broader commercial portfolio.
• APi Group Corporation: Public safety, specialty, and industrial services conglomerate with a substantial HVAC and mechanical services segment. Adjacent in offerings, particularly in regulated and institutional mechanical work.
• BGIS: Global facilities management and mechanical services provider serving commercial real estate and institutional clients. Overlaps with Nason on building mechanical maintenance and energy services, but operates at substantially larger scale.

Regional players

• Multi-Tech Trades Corp. (HVAC focus): New England-based mechanical and HVAC contractor serving commercial clients in markets adjacent to Nason's Maine footprint. Comparable service mix but with primary concentration in Massachusetts and Connecticut rather than Maine.

Others

• Efficiency Maine Trust (program): State-administered energy efficiency and heat-pump rebate program that channels institutional/commercial incentive dollars to qualified contractors including Nason. Not a competitor but a key demand-side enabler for Nason's energy efficiency business line.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/NasonMechanicalSystems
• LinkedInlinkedin.com/company/nason-mechanical

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

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 Nason Mechanical Systems