What Carmichael Engineering does

Carmichael Engineering is a Canadian commercial mechanical services contractor founded in 1922 in Montreal by Raymond Carmichael and now in its third generation of family ownership under President Ray Carmichael. The company designs, installs, services, and maintains HVAC systems, commercial and industrial refrigeration, building automation controls, plumbing, and electrical systems for institutional and commercial clients. It also offers energy services aimed at reducing building operating costs through retrofit and controls optimization. Its customer base spans healthcare, education, commercial real estate, manufacturing, pharmaceutical/laboratory, food processing, and data center facilities, many of which carry regulatory compliance requirements such as GLP, GMP, and ASHRAE standards.

Carmichael generates revenue primarily through multi-year service agreements, retrofit and new-construction installation contracts, and ongoing maintenance for embedded building automation and refrigeration infrastructure. The go-to-market model relies on a national branch network of 27 locations supported by 501-1,000 employees, enabling response-time-based competitive positioning and eligibility for national-account contracts that require multi-site coverage. Technical differentiation rests on specialized capabilities in scientific and process-grade refrigeration, building automation integration, and regulatory-compliant mechanical design for critical-environment facilities. Customer stickiness is driven by the embedded nature of installed systems, proprietary BAS programming, and the long-tenure relationships built through 100+ years of continuous operation under the founding family brand.

The business model is fundamentally services-led with project-based installation overlay. Service revenue (maintenance, monitoring, emergency response, controls tuning) provides recurring cash flow and high switching costs, while project revenue (new construction, major retrofits, energy upgrades) drives growth and capital intensity. Geographic expansion is executed through both greenfield branch openings (Saskatoon in 2025; Cornwall and Port Hawkesbury in 2024) and tuck-in acquisitions (RTP Mechanical in Parry Sound, 2025), supporting a national footprint that smaller regional competitors cannot match.

Name

Carmichael Engineering

Legal name

Carmichael Engineering

Website

https://carmichael-eng.ca

Company type

Private

Founded year

1922

Operating status

Operating

Headcount range

251–500 employees

Short description

Carmichael Engineering is a third-generation, family-owned Canadian commercial mechanical services contractor founded in 1922, providing HVAC, refrigeration, building automation, plumbing, and electrical services through 27 branches nationwide to healthcare, education, commercial real estate, manufacturing, pharmaceutical, and data center clients.

Ownership category

akta.pro rank

Product category

HVAC & Refrigeration Services

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334), Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Heating Equipment (except Warm Air Furnaces) Manufacturing (333414)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Steam & Air-Conditioning Supply (4961)

akta.pro primary industry

Chillers, Boilers & Central Plant Operations (BPABACAG)

Keywords

• Commercial HVAC services
• Refrigeration maintenance
• Building automation systems
• Industrial mechanical services
• Energy decarbonization services

Headquarters

HQ city

Moncton

HQ country

Canada

HQ region

North America

Offices28 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Commercial HVAC Installation, Service & Maintenance: Full-spectrum commercial HVAC services including installation, maintenance, and repair for all system types (packaged units, split systems, VRF/VRV, air handling units). Revenue is generated through project-based installation fees and ongoing service/maintenance contracts. Preventative maintenance programs provide recurring revenue from regular inspections and tune-ups.
2. Chiller Services: Comprehensive chiller services including installation, preventative maintenance programs, emergency repairs (24/7 response), performance optimization, and installation/retrofit. Recurring revenue through maintenance contracts with additional project-based revenue from emergency repairs and retrofits.
3. Boiler & Combustion Services: Installation, maintenance, and repair of commercial and industrial boilers (steam, hot water, thermal fluid systems). Revenue includes preventative maintenance contract fees and project-based repair/installation services.
4. Building Automation Systems (BAS): Design, installation, and maintenance of integrated building automation systems. Revenue generated through system installation projects and ongoing BAS maintenance/support contracts. 24/7 support services included in service agreements.
5. Scientific & Laboratory Refrigeration: Precision refrigeration services for laboratories, research facilities, and healthcare institutions including ultra-low temperature freezer service, environmental chamber restoration, NIST-traceable calibration, and validation services. Revenue through preventative maintenance agreements and project-based service calls. GLP/GMP-compliant service plans for audit readiness.
6. Industrial Refrigeration Services: Large-scale industrial refrigeration services for manufacturing, food processing, and cold storage facilities. Includes system design, installation, preventative maintenance, and 24/7 emergency repair services for ammonia and Freon-based systems.
7. Energy Services & Decarbonization: Energy efficiency, optimization, and decarbonization services including energy audits (ASHRAE Level 2), building automation optimization, hybrid heat pump strategies, incentive/st rebate management, and decarbonization planning. Revenue through consulting engagements, audit fees, and implementation project fees.
8. Commercial & Industrial Plumbing & Electrical: Plumbing and electrical services at select branches, integrated with HVAC and automation systems. Availability at select branches only. Revenue through project-based service calls and maintenance contracts.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Carmichael Engineering provides commercial and industrial HVAC, refrigeration, and building automation services across Canada through 27 branch locations. Core offerings include installation, maintenance, and repair of HVAC systems, chillers, boilers, cooling towers, scientific and industrial refrigeration, plus building automation and energy services for commercial, industrial, healthcare, educational, and institutional facilities.

Product overview

Carmichael Engineering is a Canadian commercial HVAC and refrigeration service company providing a comprehensive portfolio of mechanical services through 27 branch locations nationwide. The core offerings include Commercial HVAC Systems, Chiller Services, Boiler & Combustion Services, Building Automation Systems, Cooling Tower Services, Scientific/Laboratory Refrigeration, Industrial Refrigeration, and Energy Services. These services are complemented by ancillary Commercial & Industrial Plumbing and Electrical Services offered at select branches. The company operates as a unified service organization rather than a software product platform, delivering installation, maintenance, repair, and preventative maintenance services for commercial and industrial facilities across Canada.

Differentiator

Problem solved

Functional benefit

Products and services

• Commercial HVAC System Services Full-spectrum commercial HVAC services including installation, maintenance, and repair for all system types including packaged units, split systems, VRF/VRV systems, and air handling units, serving commercial, industrial, and institutional facilities across Canada.
• Chiller Service & Maintenance Expert chiller service and preventative maintenance for hospitals, labs, and large commercial buildings across Canada, covering installation, maintenance, and repair for all types of commercial and industrial chillers.
• Boiler & Combustion Services Safe, compliant boiler and combustion system service for critical heating systems in healthcare, education, and commercial facilities, covering installation, maintenance, and repair of steam, hot water, and thermal fluid systems.
• Building Automation Systems Integrated building automation and control systems improving performance, visibility, and efficiency for complex facilities, connecting HVAC, lighting, security, and energy management systems.
• Commercial Cooling Tower Services Specialized cooling tower maintenance, repair, and installation for industrial and commercial applications in Canada, including water treatment management and refurbishments.
• Scientific & Laboratory Refrigeration Services Precision refrigeration services for laboratories, research facilities, and healthcare institutions, including ultra-low temperature freezer maintenance (-80°C), NIST-traceable calibration, and 24/7 monitoring support.
• Industrial Refrigeration Services Specialized industrial refrigeration service for manufacturing, food processing, and cold storage facilities, covering large-scale ammonia systems and complex Freon refrigeration units with system design, installation, and emergency repair.
• Energy Services Practical energy efficiency, optimization, and decarbonization services for institutional and commercial facilities, including energy audits, building automation optimization, and incentive management.
• Commercial & Industrial Plumbing Services Reliable commercial and industrial plumbing services including installation, maintenance, repairs, and preventative plumbing, available at select Carmichael branches.
• Electrical Services Commercial and industrial electrical services integrated with HVAC, automation, and energy systems, available at select Carmichael branches.

Quantifiable outcome

• Building automation systems can reduce HVAC energy consumption by 15-30% without sacrificing occupant comfort through optimal start/stop algorithms and load shedding strategies
• +2 more outcomes

Named customers5 records

Segments7 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Johnson Controls: Global provider of building HVAC equipment, building automation systems, controls, and energy services. Competes with Carmichael in BAS integration, chillers, and energy-services projects while also supplying the underlying building automation platforms Carmichael integrates.
• Carrier Global: Global HVAC and refrigeration equipment manufacturer with a growing services and controls aftermarket. Carmichael was historically an early Carrier channel partner introducing modern air conditioning to Canada; Carrier's installed-base services arm competes for similar maintenance and retrofit opportunities at larger scale.
• Trane Technologies: Global HVAC and refrigeration equipment manufacturer with extensive controls and services offerings. Overlaps Carmichael's chiller, BAS, and refrigeration service categories from the OEM side and is a key equipment supplier for many of Carmichael's installed-base service programs.

Direct peers

• EMCOR Group: Large publicly traded mechanical and electrical services firm with HVAC, refrigeration, and building-services operations across North America. Highly comparable business model and service breadth, although primarily U.S.-focused with international reach.
• Ainsworth Inc. Canadian mechanical and electrical services provider with national HVAC, refrigeration, building automation, and energy-services capabilities. Direct peer across service portfolio, customer segments (commercial/industrial/healthcare), and Canadian branch network.
• Black & McDonald: Canadian multi-trade mechanical, electrical, and facility-services contractor with national branch coverage. Highly comparable to Carmichael across HVAC, refrigeration, plumbing, and electrical services delivered to commercial, industrial, and institutional customers.
• Comfort Systems USA: U.S.-based HVAC mechanical installation and services contractor serving commercial and industrial customers through a network of operating branches. Comparable branch-based service delivery and project/maintenance revenue mix; useful North American services comparator for valuation benchmarking.
• BGIS: Canadian-headquartered global facility-management and real-estate services firm offering HVAC maintenance, building operations, and energy management. Overlaps Carmichael's commercial HVAC service delivery, BAS integration, and multi-site national-account coverage.
• Modern Niagara Group (Modern Mechanical): One of Canada's largest independent mechanical services contractors, providing HVAC, plumbing, building controls, and energy services nationally. Directly comparable to Carmichael in service mix, target customer profile, and branch-based delivery model across Canada.

Emerging players

• Siemens Smart Infrastructure: Global building-technologies player offering HVAC equipment, BAS, and digital energy-management solutions. Comparable to Carmichael's BAS design and integration work and energy-services offering, though operating at significantly larger scale and with software-led positioning.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/carmichael

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Carmichael Engineering