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0Commercial Generator For Sale
In stock
- Fuel TechnologyDual Fuel
- Fuel typePropane, Natural Gas
- Running Wattage18kW
- Start TypeAutomatic
Free delivery on Sep 08–11
In stock
- Fuel TechnologyDual Fuel
- Fuel typePropane, Natural Gas
- Running Wattage22kW
- Start TypeAutomatic
Free delivery on Sep 08–11
In stock
- Fuel TechnologyDual Fuel
- Fuel typePropane, Natural Gas
- Running Wattage18kW
- Start TypeAutomatic
Free delivery on Sep 08–11
In stock
- Fuel TechnologyDual Fuel
- Fuel typePropane, Natural Gas
- Running Wattage26kW
- Start TypeAutomatic
Free delivery on Sep 08–11
In stock
- Fuel TechnologyDual Fuel
- Fuel typePropane, Natural Gas
- Running Wattage22kW
- Start TypeAutomatic
Free delivery on Sep 08–11
In stock
- Fuel TechnologyDual Fuel
- Fuel typePropane, Natural Gas
- Running Wattage26kW
- Start TypeAutomatic
Free delivery on Sep 08–11
In stock
- Fuel TechnologyDual Fuel
- Fuel typePropane, Natural Gas
- Running Wattage22kW
- Start TypeAutomatic
Free delivery on Sep 08–11
In stock
- Fuel TechnologyDual Fuel
- Fuel typePropane, Natural Gas
- Running Wattage26kW
- Start TypeAutomatic
Free delivery on Sep 08–11
- Overview
- Articles
Commercial Generators For Sale
What Is a Commercial Generator and Why Do Businesses Need One?
A commercial generator is a high-capacity power system designed to deliver continuous or standby electricity for business operations, industrial facilities, and large commercial buildings. Unlike residential units, these generators are engineered for heavy loads, long runtimes, and higher reliability standards. For businesses, the ability to maintain operations during power outages means avoiding costly downtime, protecting inventory, and ensuring safety compliance.
How to Size a Generator for a Commercial Building
Correct sizing is critical to avoid underpowered systems that fail during peak loads or overspending on unnecessary capacity. Commercial generator sizing starts with calculating total electrical load requirements, identifying essential systems, and applying industry standards for load diversity.
⚡ Factors That Influence Sizing Accuracy
Sizing accuracy depends on the building's peak demand, the nature of operations, and potential future expansion. Facilities with heavy machinery or HVAC systems often require higher surge capacity. A thorough assessment also considers redundancy requirements, especially for industries like healthcare and data centers where downtime is unacceptable.
Choosing the Right Fuel Type for Your Commercial Generator
Fuel choice impacts operational costs, environmental compliance, and long-term reliability. Diesel remains a top choice for high-load applications due to fuel efficiency and durability. Natural gas offers cleaner emissions and an uninterrupted supply when connected to a utility line. Propane provides long storage life and is ideal for locations without natural gas infrastructure.
Single, Dual, and Tri-Fuel Technologies — Which Works Best for Commercial Use?
Single-fuel generators are simpler and often more cost-effective for consistent fuel supply environments. Dual-fuel units give flexibility between diesel and natural gas, allowing continued operation during fuel shortages. Tri-fuel systems offer maximum adaptability, supporting propane, natural gas, and gasoline, making them ideal for businesses operating in diverse environments.
Cost, Maintenance, and Compliance Considerations
Running costs include fuel consumption, routine maintenance, and periodic load testing. Preventive maintenance is critical for reliability and includes oil changes, coolant checks, and inspection of electrical components. Businesses must also meet NFPA, EPA, and OSHA regulations, particularly regarding fuel storage and emissions.
Maintain a logbook of service intervals and operational hours — this helps with warranty claims and compliance audits.
— Cummins Power Generation
Maintenance Best Practices for Longevity
To extend lifespan and ensure performance, schedule servicing according to the manufacturer's recommendations, perform monthly start-up tests, and replace filters on time.
Comparison of Top Commercial Generator Models
| Brand & Model | Rated Output (kW) | Fuel Type | Runtime @ 50% Load | Price Range (USD) |
|---|---|---|---|---|
| Cummins C150D6 | 150 | Diesel | 20 hrs | $28,000–$32,000 |
| Generac QT150 | 150 | Natural Gas | Continuous | $25,000–$30,000 |
| Kohler 150ERESB | 150 | Diesel/Natural Gas (Dual) | 18 hrs | $29,000–$34,000 |
| Caterpillar DE150 | 150 | Diesel | 24 hrs | $32,000–$37,000 |
Fuel Consumption Data Table
| Load (%) | Diesel Consumption (gal/hr) | Natural Gas Consumption (ft³/hr) | Propane Consumption (gal/hr) |
|---|---|---|---|
| 25 | 3.5 | 350 | 4.0 |
| 50 | 6.8 | 700 | 7.5 |
| 75 | 9.8 | 1050 | 11.0 |
| 100 | 13.2 | 1400 | 14.5 |
Expert Insights — Selecting a Generator That Matches Your Industry Needs
🛒 Retail Outlets
Prioritize quick-start capability to keep POS systems and refrigeration online.
🏭 Manufacturing Plants
Often require high surge capacity for motors and welders.
🏥 Healthcare Facilities
Demand redundancy and compliance with NFPA 110 standards.
💻 Data Centers
Prioritize uninterrupted uptime and fuel redundancy.
Always assess the cost of downtime in your industry — this can justify a higher initial investment.
— Power Solutions Institute
Final Checklist Before Buying a Commercial Generator
Before finalizing a purchase, confirm the generator's load capacity matches peak demand, select a fuel type suited to your supply chain, verify compliance with local regulations, and calculate total cost of ownership including fuel and maintenance. Proper planning ensures your investment delivers long-term reliability and operational security.
Ready to Choose Your Commercial Generator?
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