G Mechanical
G Mechanical Inc. is a privately held commercial and industrial HVAC contractor in Columbus, Ohio providing installation, 24/7 repair, design-build, preventive maintenance, and equipment replacement services to commercial, industrial, healthcare, and institutional customers across Central Ohio, with 100+ employees and 20+ years of operating history.
- Company typePrivate
- Founded2002
- HeadquartersColumbus, United States
- Headcount101–250
- GTM typeB2B
- OfferingServices
What G Mechanical does
G Mechanical Inc. is a privately held commercial and industrial HVAC contractor founded in 2002 by C.J. Giannetto and headquartered in a 22,000 sq ft facility in Columbus, Ohio. The company provides a full lifecycle of mechanical services — new construction installation, 24/7 repair and emergency service, design-build project delivery, preventive maintenance agreements, and equipment replacement — to industrial facilities, commercial buildings, healthcare facilities, retail, restaurants, religious institutions, and municipal properties across Central Ohio (Franklin County and surrounding counties). Its competitive position rests on multi-vendor factory certifications across 8+ major OEMs (Carrier, Daikin, Mitsubishi, Trane, LG, Lennox, Water Furnace, AAON, McQuay, Dectron, Desert Aire, Toshiba Carrier), the highest-tier Mitsubishi Diamond Contractor accreditation, EPA-certified refrigeration technicians, and an in-house apprenticeship program launched in 2022 through ABC-Central Ohio.
G Mechanical operates as a professional services contractor rather than a product or software company. Revenue is generated through project-based installation work, recurring service contracts, and emergency repair billings. Pricing is quote-based with an annual preventive maintenance subscription tier offering a 10% parts discount and preferred labor rates. Go-to-market is enterprise field sales targeting facility managers and property owners in the regional Central Ohio market, supported by a digital presence (Google Business Profile, Facebook, LinkedIn, Instagram) and a project gallery website. The company is led by C.J. Giannetto (Owner), Nate Cocherl (Vice President), and Ruth Miller (Safety Director), with no institutional investors, parent company, or subsidiaries identified.
The company's customer portfolio includes large-scale projects such as a 5 million sq ft new build for Cubes, a 24-story residential conversion at the PNC Building, a 12-story Mitsubishi Water Source VRF installation at Heritage Pointe, and healthcare facilities for Knox Community Medical and One Medical Easton, demonstrating capacity to execute mission-critical installations. The company also offers indoor air quality solutions (air purifiers, MERV filtration, HRVs, UV germicidal lights, humidifiers) sourced primarily through Carrier, expanding beyond traditional HVAC into facility health and compliance-driven retrofits.
G Mechanical firmographics
Firmographics- Name
- G Mechanical
- Legal name
- G Mechanical Inc.
- Website
- https://gmechanical.com
- Company type
- Private
- Founded year
- 2002
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- G Mechanical Inc. is a privately held commercial and industrial HVAC contractor in Columbus, Ohio providing installation, 24/7 repair, design-build, preventive maintenance, and equipment replacement services to commercial, industrial, healthcare, and institutional customers across Central Ohio, with 100+ employees and 20+ years of operating history.
- Ownership category
- akta.pro rank
G Mechanical industry classification
Industry- Product category
- Commercial & Industrial HVAC Contracting
- SIC
- Refrigeration & Service Industry Machinery (3580)
- akta.pro primary industry
- HVAC Installation, Service & Repair (IMAIABAA)
Keywords
Where G Mechanical is headquartered
LocationHeadquarters
- HQ city
- Columbus
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
G Mechanical business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- HVAC Services Revenue: Services-based revenue model including new installation, repair, preventive maintenance, and equipment replacement for commercial and industrial HVAC systems. Revenue generated through project-based work, service contracts, and emergency repair services.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Pay-as-you-go | Free consultation for equipment upgrades or replacements |
| Subscription | Annual | Preventive maintenance program with parts discount |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels6 records
G Mechanical product offering
Product offeringCore offering
G Mechanical Inc. is a commercial and industrial HVAC contractor providing air conditioning, heating, ventilation, and restaurant refrigeration services across the Columbus, Ohio region. Its core offerings are organized around five service lines: new construction installation, 24/7 HVAC service and repair, design-build project delivery, preventive maintenance programs, and equipment replacement/upgrades. The company employs factory-trained, multi-OEM certified technicians and does not manufacture its own equipment, instead reselling and servicing Carrier, Trane, Daikin, Mitsubishi, LG, Lennox, and other leading HVAC brands.
Product overview
G Mechanical Inc. is a commercial and industrial HVAC contractor (not a product manufacturer) that provides a portfolio of service offerings complemented by equipment from multiple OEM brands. Its core services include Construction/New Installation, HVAC Repair/Service, Design Build, Preventive Maintenance, and Equipment Replacement/Upgrade. These services are supported by factory-trained technicians certified across major HVAC equipment manufacturers including Carrier, Trane, Daikin, Mitsubishi (VRF), LG (VRF), Lennox, Toshiba Carrier (VRF), Water Furnace, AAON, McQuay International, Dectron, and Desert Aire. The company also offers indoor air quality solutions (air purifiers, filters, ventilators, UV lights, humidifiers, CO detectors) primarily through the Carrier brand. Rather than a unified software platform, G Mechanical operates as a full-service mechanical contractor whose 'products' are its skilled labor services combined with the branded equipment it installs and maintains.
Differentiator
Problem solved
Functional benefit
Products and services
- Construction / New Installation Services New commercial and industrial HVAC installation services including air conditioning, refrigeration, test and balance, computerized fabrication, and controls/automation energy services for construction projects of virtually any size, delivered to general contractors, developers, and property owners.
- HVAC Service / Repair 24/7 emergency HVAC repair, troubleshooting, diagnostics, planned maintenance, energy-saving retrofits, and turnkey engineered replacements of heating and cooling equipment, delivered by factory-trained and certified technicians to commercial and industrial customers.
- Design Build Services Design-build HVAC project delivery that combines design and construction under a single process, enabling mission-critical quality installation tailored to owner needs with sustainable and energy-efficient solutions.
- Preventive Maintenance Proactive planned maintenance program providing annual inspection, cleaning, calibration, lubrication, and performance reporting, with preferred customer labor rates and a 10% discount on replacement parts, plus EPA-certified refrigerant leak inspection.
- Equipment Replacement / Upgrade Upgrade and replacement of aging or failing HVAC equipment with properly sized, energy-efficient systems from Carrier, Trane, Daikin, Mitsubishi, LG, Lennox, and other brands, including a free consultation and full factory warranties.
- Restaurant Refrigeration Service Commercial refrigeration installation, service, and maintenance for restaurants and food service facilities, including walk-in coolers, freezers, and kitchen ventilation, as referenced in the firm's company description and Tupelo Honey Restaurant project.
Quantifiable outcome
- Preventive maintenance energy savings: 25-35% from adjusting operating sequences, 5-15% from cleaning coils, 10-15% from filter replacement, 25-30% from removing scale from condenser coils, 15% from burner adjustments
Companies that use G Mechanical
Customer profileNamed customers14 records
Segments3 records
Ideal customer profiles3 records
G Mechanical technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration7 records
G Mechanical partnerships and signals
Strategic signalPartnerships
Twelve partnerships are on record, tiered core and minor.
- Mitsubishi ElectriccoreMitsubishi Diamond Contractor status - highest level of accreditation for independent contractors with training and hands-on expertise. Provides full warranty protection and unmatched performance for customers purchasing Mitsubishi Electric products.
- Associated Builders and Contractors (ABC)coreNational construction industry trade association representing more than 22,000 members. G Mechanical is a member and administers their apprenticeship program through ABC-Central Ohio.
- ASHRAEminorAmerican Society of Heating, Refrigerating and Air-Conditioning Engineers membership for industry standards and professional development.
- International Facility Management Association (IFMA)minorWorld's largest association for facility management professionals with over 22,000 members in more than 100 countries.
- National Federation of Independent Business (NFIB)minorVoice of small business advocating for America's small and independent business owners in Washington D.C. and all 50 state capitals.
- CarriercoreFactory training partner for technicians. Carrier products featured on website including air conditioners, furnaces, heat pumps, boilers, and thermostats.
- DaikincoreFactory training partner for technicians on Daikin HVAC systems and products.
- TranecoreFactory training partner for technicians on Trane HVAC systems and building automation.
- Mitsubishi Heavy IndustriescoreFactory training partner for technicians on VRF systems including Mitsubishi Water Source VRF and VRF installations.
- LGcoreFactory training partner for technicians on LG VRF systems and HVAC products.
- LennoxcoreFactory training partner for technicians on Lennox HVAC systems.
- Water FurnacecoreFactory training partner for technicians on Water Furnace geothermal systems.
Scale indicators5 records
Recent moves6 records
Expansion highlights4 records
G Mechanical competitors and assessment
Company assessmentRegional players
- Westerville Mechanical Service Company: Central Ohio mechanical contractor serving commercial customers with HVAC and refrigeration installation and service. Direct regional competitor for G Mechanical's commercial and restaurant refrigeration business in the Columbus metro.
- Best Heating & Air Conditioning: Long-standing Columbus, OH residential and light commercial HVAC contractor. Comparable in serving the same Central Ohio market with installation and service offerings, although more skewed toward residential than G Mechanical's commercial/industrial mix.
- Fire & Ice Heating and Air Conditioning: Columbus-area HVAC contractor providing residential and commercial heating, cooling, and indoor air quality services. Direct local competitor for commercial service and replacement work in Central Ohio, with similar technician-certification model.
Broad incumbents
- APi Group: Public safety and industrial services holding company with significant HVAC and mechanical services exposure via acquired subsidiaries. Comparable business model (multi-OEM certified technicians, commercial/industrial focus, recurring service revenue) and competitive overlap in the broader commercial services space.
- EMCOR Group: Fortune 500 mechanical and electrical services provider with major HVAC, refrigeration, and building automation practices serving commercial, industrial, and institutional customers. Comparable in vertical exposure and the multi-OEM/multi-service model G Mechanical operates.
- Service Logic: National mechanical services platform providing HVAC, plumbing, and electrical installation, service, and maintenance to commercial and industrial customers. Similar service mix and recurring-maintenance business model as G Mechanical, with national scale advantages.
- Comfort Systems USA: Large publicly traded national mechanical contractor providing HVAC installation, service, and building automation to commercial and industrial customers. Same core service lines as G Mechanical, but operates through multiple regional subsidiaries with significantly broader geographic footprint.
Direct peers
- Limbach Holdings: Public commercial mechanical contractor specializing in HVAC, plumbing, and building controls for complex facilities. Directly comparable to G Mechanical in service mix (installation, service, design-build), customer vertical mix (healthcare, commercial, industrial), and reliance on OEM factory-trained technicians.
Others
- Trane Technologies: Global HVAC OEM and service provider, also a G Mechanical factory training partner. Trane's commercial service arm competes for the same design-build and maintenance contracts in Central Ohio that G Mechanical targets.
- Carrier Corporation: One of the world's largest HVAC OEMs and a major G Mechanical technology partner (Carrier products are featured prominently). Carrier is comparable as an ecosystem participant—G Mechanical is a Carrier dealer/installer and competes indirectly for end-customer relationships with Carrier's own service organization.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
G Mechanical social profiles
Digital presenceG Mechanical compliance and trust
Trust signalCompliance8 records
G Mechanical financial estimates
Financial estimateRevenue estimate
Valuation estimate
G Mechanical leadership team
Management profileNumber of profiles
Profiles3 records
G Mechanical funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
G Mechanical M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about G Mechanical
What does G Mechanical do?
G Mechanical Inc. is a commercial and industrial HVAC contractor providing air conditioning, heating, ventilation, and restaurant refrigeration services across the Columbus, Ohio region. Its core offerings are organized around five service lines: new construction installation, 24/7 HVAC service and repair, design-build project delivery, preventive maintenance programs, and equipment replacement/upgrades. The company employs factory-trained, multi-OEM certified technicians and does not manufacture its own equipment, instead reselling and servicing Carrier, Trane, Daikin, Mitsubishi, LG, Lennox, and other leading HVAC brands.
Is G Mechanical a public or private company?
G Mechanical is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was G Mechanical founded?
G Mechanical was founded in 2002. It employs 101 to 250 people.
Where is G Mechanical based?
G Mechanical is headquartered in Columbus, United States, in the North America region.
How does G Mechanical make money?
One revenue line is on record: HVAC Services Revenue.
Who are G Mechanical's main competitors?
Regional players on record are Westerville Mechanical Service Company, Best Heating & Air Conditioning and Fire & Ice Heating and Air Conditioning. Broad incumbents are APi Group, EMCOR Group, Service Logic and Comfort Systems USA. Limbach Holdings is listed as a direct peer. Others are Trane Technologies and Carrier Corporation.
Does G Mechanical have an API?
No public API is recorded for G Mechanical.
What industry is G Mechanical in?
G Mechanical's product category is Commercial & Industrial HVAC Contracting. Its primary akta.pro industry code is IMAIABAA, HVAC Installation, Service & Repair. Its SIC code is 3580.