ac energy

What ac energy does

ACES Monitoring, formerly AC Energy Systems, Inc., is a California-based private service company founded in 1996 that designs, installs, maintains and retrofits carbon monoxide (CO) and nitrogen dioxide (NO2) gas monitoring systems for commercial and industrial facilities across the United States. The company's core technology combines electrochemical CO/NO2 sensors — each covering roughly 5,000 to 10,000 square feet — with Variable Frequency Drives (VFDs) that modulate ventilation fan speed in response to real-time gas levels rather than simply switching fans on or off. ACES Monitoring operates on a vendor-agnostic basis, installing and servicing gas detection and motor control equipment from most major manufacturers, with primary expertise in existing, operating facilities rather than greenfield construction.

The company sells four service lines: Sensor Installation, VFD Installation, Maintenance & Calibration, and Retrofit & End-of-Life Replacement. Revenue is generated through one-time installation projects and recurring professional services contracts (maintenance, calibration, retrofit assessment), priced on a custom quote basis with no public rate card. Distribution is direct — phone-based specialist outreach, website contact forms, and licensed field service technicians — with no intermediary resellers or distributors. Marketing channels include the company website, Google Analytics, Google Ads remarketing, and Facebook remarketing.

Customer segments span REITs, institutional owners, property and facility managers, Chief Engineers, contractors, and design teams; use cases center on covered and underground parking garages, with extension into warehouses, distribution centers, manufacturing facilities, tunnels, transit corridors, and boiler rooms. The company's primary claims of differentiation are 29+ years of code-compliance experience (IMC, IFC, NFPA, OSHA), a 2,000+ installation reference base, documented lifecycle service with UL-rated 10–12 year equipment life cycles, and quantifiable energy savings from partial-speed VFD operation sufficient 90–95% of the time.

Name

ac energy

Legal name

Aces Monitoring

Website

https://acenergysystems.com

Company type

Private

Founded year

1996

Operating status

Operating

Short description

ACES Monitoring (formerly AC Energy Systems) is a California-based, private service company that installs, maintains and retrofits carbon monoxide and nitrogen dioxide gas monitoring and ventilation control systems for commercial and industrial facilities nationwide, primarily parking garages, warehouses and manufacturing sites.

Ownership category

akta.pro rank

Product category

Gas Detection and Ventilation Control Services

NAICS

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Electronic and Precision Equipment Repair and Maintenance (811210)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Auto Controls For Regulating Residential & Comml Environments (3822)

akta.pro primary industry

Carbon Monoxide & Smoke Detection Monitoring Services (HSAHAAAJ)

akta.pro secondary industries

Smoke/CO Detector & Life-Safety Electrical Troubleshooting (HSAOAEAJ), Indoor Air Quality (IAQ) Environmental Monitoring (VOC/CO2/PM2.5) (HSAHAGAG)

Keywords

• Gas detection systems
• Carbon monoxide monitoring
• Ventilation control systems
• Parking garage safety
• Building compliance services

Headquarters

HQ city

Cardiff By The Sea

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Gas Monitoring System Installation: New installation of CO and NO2 monitoring systems including sensor placement, controls integration, startup, verification and on-site training. Turn-key services for commercial and industrial facilities.
2. Maintenance and Calibration Services: Ongoing maintenance including sensor testing, calibration using certified test gas, alarm setpoint verification, controls and relay inspection. Regular service to ensure compliance and reliable operation.
3. Retrofit and End-of-Life Replacement: Assessment of existing gas monitoring systems with phased retrofit strategies for upgrading to modern, code-compliant equipment with minimal disruption and controlled costs.
4. Variable Frequency Drive Installation: Installation of VFDs for dynamic ventilation control, reducing energy consumption while maintaining safe conditions through variable-speed fan operation.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

ACES Monitoring installs, services, and maintains carbon monoxide (CO) and nitrogen dioxide (NO₂) gas detection systems paired with Variable Frequency Drive (VFD) ventilation control for commercial and industrial facilities, primarily parking garages, warehouses, manufacturing plants, tunnels, and boiler rooms. The company provides turn-key installation, ongoing maintenance and calibration using certified test gas, phased retrofit and end-of-life replacement, and operates on a vendor-agnostic basis across major gas detection and motor control equipment manufacturers.

Product overview

ACES Monitoring provides a comprehensive portfolio of gas monitoring and ventilation control services for commercial and industrial facilities. The core offering consists of Sensor Installation (electrochemical CO and NO₂ sensors), Variable Frequency Drive (VFD) Installation for dynamic ventilation control, Maintenance & Calibration services, and Retrofit & End-of-Life Replacement programs. The company operates on a vendor-agnostic basis, installing and servicing gas detection equipment from most major manufacturers. Services span the full lifecycle from initial installation and system design through ongoing calibration, maintenance, and eventual equipment replacement, with a focus on long-term performance, code compliance (IMC, IFC, NFPA, OSHA), and dependable operation.

Differentiator

Problem solved

Functional benefit

Products and services

• Sensor Installation Turn-key installation of electrochemical carbon monoxide (CO) and nitrogen dioxide (NO₂) sensors for commercial and industrial facilities. Sensors are placed based on airflow, ceiling height, vehicle patterns, and layout, with each sensor covering approximately 5,000 to 10,000 square feet. Includes startup, verification, and on-site training for facility staff.
• Variable Frequency Drive (VFD) Installation Installation of Variable Frequency Drives that allow ventilation fans to operate dynamically based on real-time CO/NO₂ levels rather than simply turning fully on or off. Enables partial-speed operation sufficient 90-95% of the time, reducing energy consumption, mechanical wear, and noise while extending equipment life.
• Maintenance & Calibration Ongoing testing and calibration of gas sensors using certified test gas to ensure accuracy and compliance. Service visits include application of certified test gas to each sensor, verification of alarm setpoints, inspection of controls and relays, and confirmation that ventilation equipment responds correctly, with documentation for fire department, insurance, and compliance records.
• Retrofit & End-of-Life Replacement Assessment and phased retrofit of existing gas monitoring systems, particularly equipment beyond its 10-12 year UL-rated life expectancy. Includes upgrading to modern, code-compliant equipment with minimal disruption and controlled costs to maintain continuous protection.
• Gas Detection & Motor Control Equipment Vendor-agnostic supply and support of gas detection and motor control equipment from major manufacturers. Recommendations are based on lifecycle value, reliability, and long-term serviceability rather than brand preference, supported by technicians experienced across various platforms, controls architectures, and sensing technologies.

Quantifiable outcome

• Partial-speed VFD operation is sufficient 90-95% of the time, significantly reducing electrical consumption, mechanical wear and noise
• +2 more outcomes

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Critical Environment Technologies Canada Inc. (CETCI): Designs and distributes gas detection systems (CO, NO2, refrigerants, combustibles) for commercial parking garages, mechanical rooms, and industrial facilities. Closest direct comparable to ACES Monitoring in terms of sensor-and-controls focus on commercial IAQ and parking-structure ventilation, though CETCI is more OEM/manufacturer-oriented.
• Bacharach: Specializes in combustion and gas detection instrumentation for HVAC, refrigeration, and commercial/industrial applications, including CO and NO2 monitoring. Highly comparable product portfolio and end-market overlap with ACES Monitoring's parking-garage and mechanical-room focus.
• RKI Instruments: Manufactures gas detection equipment (CO, NO2, combustible, toxic) for commercial, industrial, and confined-space applications in North America. Highly comparable offering to ACES's sensor-and-controls model, though RKI focuses on product/channel sales rather than direct service.
• Industrial Scientific: Gas detection specialist offering fixed and portable instruments, monitoring services, and lifecycle support for industrial and commercial facilities. Comparable to ACES in lifecycle service orientation but skews more toward personal/portable detection and connected safety software.

Broad incumbents

• MSA Safety: Global manufacturer of gas detection instruments (including fixed CO/NO2 systems) and safety products serving industrial, commercial, and first-responder markets. Overlaps with ACES's gas-detection offering but competes through OEM channels rather than as a service provider.
• Dräger: Long-established German safety technology company with a broad portfolio of fixed and portable gas detectors for industrial, mining, and commercial environments. Comparable technology stack to ACES but distributed through integrator and OEM channels worldwide.
• Honeywell Analytics (Honeywell): Global industrial conglomerate with a major gas detection division serving commercial, oil & gas, and building applications. Could bundle CO/NO2 monitoring with broader building management offerings, posing a competitive threat to specialist service providers like ACES.
• Johnson Controls: Large building automation and HVAC controls provider whose Metasys and OpenBlue platforms integrate air quality and ventilation monitoring for commercial facilities. Represents a potential competitive bundling threat to niche specialists like ACES Monitoring.
• TSI Incorporated: Manufactures precision measurement instruments including indoor air quality monitors, particle counters, and gas sensors for commercial, industrial, and research environments. Partial overlap with ACES in CO/NO2 and IAQ monitoring applications.

Emerging players

• Aeroqual: New Zealand-based air quality monitoring specialist with fixed and portable instruments for IAQ, outdoor air, and industrial applications. Comparable technology focus (gas and particulate monitoring) but smaller scale and more product-centric than ACES's service-led model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/ac-energy-systems

Revenue estimate

Valuation estimate

Number of profiles

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 →

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