Purchase a Commercial Generator: 27 FAQs

Does your business plan to Purchase a commercial generator or replace an existing generator? This is a critical investment in your business’s resilience and operational continuity. At Weld Power Generator, we specialize in turnkey generator solutions, from selecting the proper size and fuel type, to managing installation, and ongoing maintenance. We work with multiple leading manufacturers to provide options that fit your budget, timeline, and technical requirements. We’ll make sure your new generator is built to perform when it matters most. Contact us today!
Table of Contents
General Questions
How do I know if I need to purchase a commercial generator or if I can repair my current generator?
If your generator frequently breaks down, requires costly repairs, or struggles to meet your power demands, it may be more cost-effective to replace it. Weld Power can assess your unit and provide expert guidance on repair vs. replacement.
What are the signs that it’s time to replace my generator?
Signs include rising maintenance costs, poor reliability, difficulty sourcing parts, or the generator no longer meeting your business’s power requirements.
What factors should I consider when purchasing a new commercial generator?
Consider your power needs, fuel type, available space, budget, warranty options, and the generator’s compatibility with your facility’s infrastructure. Weld Power offers turnkey solutions to help simplify the process. See our blog article for additional considerations.
How do I know what size commercial generator to purchase?
The right size depends on the total electrical load you need to support during a power outage. Weld Power can perform load calculations and site assessments to ensure you purchase a commercial generator that will match your business’s needs.

Types of Generators
What are the differences between standby and portable generators?
Standby generators are permanently installed, automatically turn on during power outages, and are ideal for critical applications that can’t afford downtime. Portable generators are temporary, manually operated, and suited for smaller, short-term needs. Before you purchase a commercial generator, Contact us or see our blog to determine which type is best for your business.
What are the advantages of diesel vs. natural gas generators?
Diesel generators offer higher power output, fuel efficiency, and reliability, especially for large or critical loads. Natural gas generators have lower emissions, quieter operation, and are ideal when a consistent gas supply is available. See our guide on available fuel options for more information before you purchase a commercial generator.
Are there specific brands that are more reliable or have better warranties?
Yes, some brands like HiPower (a YANMAR Group company), Generac, CAT, and Cummins are known for reliability and offer strong warranty options, while other manufacturers are more budget friendly. Weld Power is an authorized dealer that works with multiple manufacturers to provide you with the best fit for your business’s needs and budget. Contact us to purchase a commercial generator.

Cost & Budgeting
How much does a new commercial generator typically cost?
Costs can vary widely based on size, fuel type, features, location, and difficulty of install. Contact our commercial generator sales team for customized quotes based on your specific needs.
What additional costs should I consider when buying a new generator (e.g., installation, maintenance)?
When you purchase a commercial generator, also consider installation, permitting, electrical work, transfer switch integration, site preparation, and ongoing maintenance. Weld Power offers turnkey services to manage all aspects of the project.

Installation & Setup
What is involved in the installation of a new generator?
Installation includes site evaluation, concrete pad placement (if needed), electrical and fuel line connections, transfer switch installation, system testing, and final commissioning. Weld Power can handle the entire process from start to finish.
How long does it take to install a new generator?
When you purchase a commercial generator, it can take several months for the equipment and materials to be delivered depending on the generator specs. The installation timelines can vary based on project complexity but typically range from a few days to several weeks. Factors like permitting and site prep can also impact the schedule.
Do I need a permit to install a new generator?
Yes, commercial generator installations require electrical and building permits. Please note that if you are replacing a generator you may be required to complete code updates and might not be able to put the new generator in the same location.
What should I expect from a professional installation service?
Expect thorough project management, clear communication, safe and code-compliant installation, equipment testing, and a walkthrough of the system. Weld Power delivers turnkey solutions for a seamless experience.
Can I purchase a commercial generator from Weld Power and have someone else install it?
Yes, you can purchase a commercial generator from Weld Power separately, though we recommend using our installation services to ensure full warranty coverage, compliance, and performance.
How do I dispose of my current generator after it is replaced?
Weld Power will assist with the proper decommissioning, removal and disposal of your old generator, ensuring it’s handled safely and in accordance with environmental regulations.

Features & Technology
What new technologies are available in modern generators?
Modern generators offer features like advanced digital controllers, automatic load management, quieter enclosures, and improved emissions controls to enhance performance and compliance. Contact our sales team to purchase a commercial generator.
How important is remote monitoring for a new generator?
Remote monitoring is highly valuable, it allows you to track performance, receive alerts, and detect issues in real time, helping prevent downtime and reduce maintenance costs.
How do I ensure my new generator is energy-efficient?
Purchase a commercial generator that is properly sized for your business’s power load, opt for models with efficient engines, and keep up with regular maintenance. Weld Power can guide you to models with high fuel efficiency and low emissions.

Maintenance & Support
What kind of maintenance does a new generator require?
Routine maintenance includes oil and filter changes, coolant checks, battery inspections, load testing, and fuel system servicing. Weld Power offers preventative maintenance programs tailored to your generator and usage.
How do warranties typically work for new generators?
Warranties vary by manufacturer and model. Extended warranty options may also be available, and proper maintenance is usually required to keep coverage valid. Speak with our sales team about the available options before you purchase a commercial generator.
What is the expected lifespan of a new generator?
With regular maintenance, commercial generators typically last 15 – 30 years or 10,000–30,000 operating hours, depending on usage, environment, and build quality.
How do I find reliable maintenance and repair services for my new generator?
Partner with an experienced service provider like Weld Power Generator, we offer 24/7 emergency response, factory-trained technicians, and maintenance plans to keep your equipment in top condition.

Environmental and Regulatory Considerations
What are the environmental impacts of different types of generators?
Diesel generators tend to produce more emissions and noise, while natural gas generators burn cleaner with fewer particulates. Hybrid generators offer the lowest environmental impact but may not suit all applications.
Are there specific regulations I need to follow when I purchase a commercial generator?
Yes, regulations may include local permitting, emissions standards (EPA Tier ratings), noise limits, and building codes. Weld Power ensures your generator installation complies with all relevant laws and standards.
How do I ensure my new generator meets local noise ordinances?
You can choose models with sound-attenuated enclosures or install acoustic barriers. Weld Power evaluates site-specific requirements to recommend solutions that meet local noise regulations.
What are the emissions standards for new generators?
In the U.S., generators must meet EPA emissions standards (typically Tier 2, 3, or 4 Final depending on size and type). Weld Power will provide compliant equipment and can guide you on your purchase.
Can I purchase a commercial generator that runs on alternative fuels?
Yes, options include biodiesel, propane, bi-fuel (diesel and natural gas), and even hybrid systems. Weld Power can help you select a solution that aligns with your fuel availability, sustainability goals, and operational needs.

Summary
Whether you’re adding backup power, facing frequent breakdowns from your existing equipment, or your current generator no longer meets your business’s power needs, purchasing a new generator ensures your business is prepared for unexpected power outages. A new generator offers improved performance, better fuel efficiency, quieter operation, and the latest safety and emissions technology. Contact us today for your new commercial generator quote.