Who are the Best Transformer Rental Companies in Colorado?

​When securing reliable transformer rental services in Colorado, selecting the right provider is crucial for ensuring an uninterrupted power supply for your projects. Whether you’re an electrician, a city manager, a private estate owner or part of a building company, having access to dependable transformers is essential. 

Here are some of the best transformer rental companies in Colorado to assist you in making an informed decision.​

• Sunbelt Solomon

Sunbelt Solomon is a leading provider of electrical transformer solutions, offering various services from design and manufacturing to repair, maintenance and rental. With over 100 years of experience, the company is recognized for delivering reliable and sustainable power solutions to utility, industrial and commercial sectors. 

It specializes in new and remanufactured transformers, voltage regulators, switchgear and ancillary components, ensuring customers access high-quality products that promptly meet their needs. A key differentiator for Sunbelt Solomon is its commitment to sustainability. The company leads the industry in power distribution life cycle management, emphasizing responsible recycling and the reconditioning of transformers and other equipment. 

The REMAN products provide a sustainable alternative to new equipment, with a shorter lead time and rigorous testing to meet or exceed American National Standards Institute guidance. This focus on sustainability is integrated into all aspects of the company’s operations, from product development to service delivery.

Sunbelt Solomon’s rental services are notable for offering temporary power solutions, including transformers, cables and entire packaged power systems, which are ideal for short-term needs and emergencies. The brand’s national network of service centers ensures quick response times and expert in-field technicians to address any maintenance or repair needs.

The company’s core values — integrity, safety, innovation and performance — underpin its operations, making it one of the most trusted transformer rental providers in Colorado and beyond. Dedication to quality, customer-centricity and environmental responsibility position Sunbelt Solomon as a leader in the electrical transformer industry.

• High to Low Rentals

High to Low Rentals is one of Colorado’s leading transformer rental providers, specializing in urgent and short-term electrical power solutions. With over 20 years of industry experience, the company has built a reputation for delivering reliable emergency transformer replacements and electrical equipment for various applications, from industrial to renewable energy projects.

The company’s extensive fleet includes various transformer options — such as 2500 kVA, 3500 kVA, 4000 kVA and 5000 kVA substation transformers — designed to address the power demands of commercial, industrial and temporary applications. 

Transformers arrive ready and in specialized cages for easy transportation and forklift operation, making them convenient and efficient for on-site use. With power capacities ranging from 25kV to 480V, High to Low Rentals meets diverse electrical needs.

In addition to its impressive equipment fleet, the provider is known for its quick response times and flexible rental terms, making it a top choice for emergency and short-term electrical power needs. Whether it’s a temporary power solution for a construction site, a renewable energy project or an unexpected electrical issue, the company is committed to delivering immediate, reliable solutions.

High to Low Rentals family of companies — which includes High to Low Voltage and H & H Transformer —provides comprehensive support, including transformer repair, reconditioning and field services. With a focus on customer satisfaction and industry expertise, High to Low Rentals continues to be one of Colorado’s best transformer rental companies, trusted by businesses for urgent power needs and long-term solutions.

• RESA Power

RESA Power is a premier transformer rental provider based in Colorado that is known for offering top-notch solutions to industries such as construction, oil and gas, and renewable energy. The company provides high-quality, reliable transformers for short-term and long-term projects. 

With a diverse fleet of transformers, RESA Power meets the unique power demands of various applications, including standard units and specialized units tailored to specific project requirements. What sets RESA Power apart from other rental companies is its dedication to delivering customized solutions. 

Experienced professionals work closely with clients to assess power needs and recommend the most suitable transformer options. Whether it’s a temporary power solution for a construction site or a specialized transformer for a renewable energy project, RESA Power provides flexible rental terms to suit diverse business needs.

Beyond equipment, RESA Power is known for its commitment to safety, compliance and reliability. All transformers are thoroughly inspected and maintained to meet industry standards and regulatory requirements, ensuring a safe and efficient operation. The company also provides on-site support and rapid response times, allowing clients to maintain uninterrupted operations during projects.

With a reputation for excellent customer service, RESA Power offers competitive pricing without compromising quality. The company’s quick turnaround times and comprehensive support services reinforce its standing as one of Colorado’s top transformer rental companies. Whether for a short-term project or long-term needs, RESA Power stands out as a trusted partner for reliable, high-performance power solutions, earning a place as one of the best in the industry.

• United Rentals

United Rentals is one of North America’s largest and most trusted equipment rental companies, with over 1,400 locations and an extensive equipment fleet available across various industries. The company rents heavy equipment, tools and machinery, including aerial work platforms and forklifts. 

Known for its broad inventory, United Rentals offers solutions for tough terrains, difficult climates and challenging jobsite requirements. It provides small and large equipment rentals backed by a dedicated team of customer service experts and industry professionals who ensure projects stay on track, on time and within budget.

United Rentals stands out due to its commitment to providing specialized services and support. It offers delivery and pickup options as well as flexibility to meet licensing requirements for larger equipment like trucks and trailers. Customers can rely on the company’s expertise in equipment operation, as it provides training for operators on best practices to ensure safe and efficient usage.

The company’s culture of safety, inclusivity and support is central to its operations. With a focus on employee well-being, diversity and community engagement, United Rentals maintains a strong commitment to its workforce and larger society. This culture of care extends to customers, ensuring safety is a top priority on every jobsite.

United Rentals is also a leader in sustainable practices, strongly focusing on environmental responsibility and ethical operations. The provider’s ability to provide high-quality, well-maintained equipment and industry expertise make it a top choice for transformer and equipment rentals.

Factors to Consider When Choosing a Transformer Rental Company

Selecting the right transformer rental company involves evaluating several critical factors to ensure the provider meets your needs. Consider the following:​

• Inventory availability: Choose a provider with a wide selection of transformers to meet different power needs, ensuring quick access to the right equipment. A well-stocked inventory minimizes delays and allows for seamless replacements if needed.
• 24/7 support and emergency services: Power disruptions can happen anytime, so opt for a company that offers round-the-clock support and emergency response. Immediate assistance minimizes downtime, which is especially crucial for industries like healthcare and manufacturing.
• Technical expertise: Ensure the rental company has experienced technicians who can assist with installation, troubleshooting and maintenance. Top-notch expertise helps prevent compatibility issues and ensures optimal transformer performance.
• Equipment quality and maintenance: Verify that the provider follows strict maintenance protocols to ensure reliability and safety. Well-maintained equipment reduces the risk of malfunctions and accidents, ensuring smooth operations throughout your rental period.
• Flexible rental terms: Look for a company that offers adaptable rental agreements to fit short-term and long-term needs. Flexible terms can help you adjust to project changes without unnecessary costs or delays.
• Geographical coverage: Choose a provider that services your location to ensure timely delivery and support. A company with multiple service areas can quickly respond to emergencies and equipment replacement requests.
• Reputation and reviews: Research customer feedback and industry reputation to gauge a company’s reliability and service quality. Positive reviews and strong references indicate a trustworthy provider with proven performance.
• Cost and value: Evaluate the pricing structure to ensure it aligns with your budget and project requirements. While the lowest cost option might be tempting, consider the value offered in terms of reliability, service and equipment quality.
• Delivery and setup time: Consider how quickly the company can deliver and install the transformer. Fast delivery and professional setup can minimize delays and help you get your project running on schedule.
• Compliance with regulations: Ensure the rental company complies with local, state and federal laws regarding safety, emissions and environmental standards. This ensures that the equipment you rent is up to code and safe for use in your area.
• Customization options: Some projects may require specific transformer configurations or modifications. Check if the rental company offers customization options to tailor the equipment to your unique needs.
• Warranty and insurance: Confirm that the rental company provides warranty coverage and insurance for their equipment. This protects you from any unexpected damage or equipment failure during the rental period.

Safety and Maintenance Tips for Renting Transformers

Renting transformers can be an efficient solution for industrial or construction projects, but it requires careful attention to safety and maintenance to ensure smooth operation and long-lasting performance. Below are essential tips for the use and upkeep of rented transformers.

Proper Handling and Installation

Proper installation ensures the transformer operates safely and efficiently throughout the rental period. Here are some important considerations during installation:

• Qualified personnel: Ensure that only trained and skilled personnel handle and install the transformer. Electrical engineers or certified technicians should oversee the setup to prevent hazards.
• Correct placement: Position the transformer on a stable, dry surface to prevent electrical shorts or damage. Avoid areas with excessive moisture, extreme temperatures or direct exposure to weather elements unless the transformer is rated for outdoor use.
• Clearance and ventilation: Maintain proper clearance around the transformer to ensure adequate ventilation for cooling. Overcrowding can lead to overheating and an increased risk of failure.

Regular Inspections

Regular inspections are vital to detecting and addressing issues before they escalate, preventing unnecessary downtime and ensuring smooth operation. To stay on top of maintenance, make sure to do the following:

• Visual assessment: Inspect the transformer regularly for any visible signs of wear, such as leaks, corrosion, cracks or exposed wires. These issues should be addressed immediately to prevent accidents.
• Functional testing: Perform routine testing to verify the transformer is functioning as expected. This includes checking voltage levels and continuity and ensuring all components are operational.
• Oil and insulation checks: Monitor oil levels and condition regularly for oil-filled transformers. Low oil levels or contaminated oil can compromise the transformer’s performance. Also, inspect the insulation for any signs of degradation.

Preventive Maintenance

Taking proactive steps to maintain the transformer can prevent unnecessary breakdowns and prolong its lifespan. Below are some maintenance tips to follow:

• Ensure cleanliness: Keep the transformer clean and free of dust or debris. Dirt accumulation can interfere with cooling and cause overheating. Use compressed air or a soft brush to clean the external surfaces carefully.
• Tighten connections: Loose electrical connections can cause sparking. Ensure all connections are tightened and secured, especially after installation or maintenance.
• Test overload protection: Transformers are equipped with overload protection systems to prevent damage in case of excessive load. Test these safety features regularly to ensure they work properly during operation.

Emergency Procedures

Preparing for emergencies minimizes potential damage by ensuring there is a plan for quick action. Follow these emergency preparedness steps:

• Have a contingency plan: Know the emergency procedures in case of transformer malfunction or failure. Ensure that personnel are familiar with shutdown protocols and know how to disconnect power safely.
• Keep safety equipment nearby: Always have fire extinguishers and other safety gear close to the transformer in an emergency. A sudden short-circuit or fire could lead to catastrophic outcomes if not handled swiftly.

Making the Right Choice for Your Transformer Rental Needs

Choosing the best transformer rental company in Colorado requires careful consideration of your project’s specific requirements and the provider’s capabilities. By evaluating factors such as inventory availability, support services, technical expertise and equipment quality, you can select a partner that ensures reliable and efficient power solutions for your operations.