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Capacitors may be small, but they play a big role in helping many AC motors run efficiently and reliably. Understanding what capacitors do (and how to spot problems) can help you keep equipment in good working order.

In simple terms, a capacitor stores and releases electrical energy. In AC motors, this stored energy is used to create the extra torque needed to start the motor or to keep it running smoothly. Without the right capacitor, a motor may struggle to start, run inefficiently, or overheat. Over time, a failing capacitor can lead to more serious issues, including motor damage, which can be costly to repair or replace.

Start vs. Run Capacitors

There are two main types of capacitors used in AC motors: start capacitors and run capacitors. Start capacitors provide a short burst of energy to get the motor turning. They are only active during the startup phase and then disconnect once the motor reaches its operating speed. Run capacitors, on the other hand, stay in the circuit while the motor is running, helping to maintain a steady and efficient current. This not only keeps the motor operating smoothly but can also reduce energy consumption. Depending on the application, some motors use only one type, while others require both to function effectively.

Common Applications

Capacitor-assisted AC motors are found in a wide variety of equipment. In homes, they are commonly used in heating and cooling systems such as furnace blowers and central air conditioning units. They are also a critical component in well pumps, sump pumps, and refrigeration systems. In commercial and industrial settings, you’ll find them in equipment like large fans, conveyor systems, and machine tools. Regardless of the environment, capacitors serve the same essential function—helping motors start reliably and operate efficiently.

Signs a Capacitor May Be Failing

Like all electrical components, capacitors can wear out over time. When this happens, you may notice that the motor struggles to start, takes longer than usual to get going, or produces a humming sound without any movement. In some cases, the motor may start but shut off unexpectedly during operation. Physical signs can also indicate a problem. If the capacitor casing is bulging, leaking, or showing signs of corrosion, it’s a strong indication that it needs to be replaced. Continuing to run equipment with a faulty capacitor can place unnecessary strain on the motor and lead to more extensive damage.

Troubleshooting and Safety

Diagnosing or replacing a capacitor requires caution, as capacitors store electrical energy even when the power is off. For this reason, testing or repairs should only be carried out by someone with the proper training and equipment. The power supply should always be disconnected before any inspection, and a meter designed for capacitance testing should be used to confirm the capacitor’s condition. If a replacement is needed, it’s important to use a capacitor with the exact type and rating specified by the motor’s manufacturer to ensure safe and reliable operation.

With decades of experience in motor diagnostics and repair, Gilbert-McEachern Electric can quickly identify capacitor issues, help with repair or replacement, and ensure your equipment is operating at peak performance. Whether it’s a furnace blower that won’t start, an air conditioning unit that’s running inefficiently, or an industrial machine showing signs of trouble, our team is here to help.

Reach out to learn more.

Industrial businesses, manufacturers, and facility managers are under increasing pressure to cut costs and reduce their environmental footprint. In today's competitive market, upgrading to energy-efficient motors is a practical step toward achieving both. These motors use less electricity, lower operational expenses, and help you meet new sustainability and regulatory standards. Here’s why you should make the switch:

Lower Costs and Faster Returns
Energy-efficient motors consume less electricity than older models. This reduction in energy use means lower electricity bills and quicker payback on your investment. Many businesses are choosing energy-efficient motors because they provide a faster return on investment (ROI). As a bonus, there are also many government incentives and rebates available that can help reduce the initial cost of upgrading your equipment. 

Reducing Environmental Impact
Switching to energy-efficient motors not only saves money but also reduces your company’s carbon footprint. By using less energy, your business can lower greenhouse gas emissions and support sustainability goals. This is important as new regulations and environmental standards continue to emerge. 

Government Incentives
There are several rebate programs and incentives available from the Government of Canada and local agencies. These programs help offset the cost of upgrading your motors, making it easier to invest in energy-efficient technology. Our team can help you navigate these options and choose the best solution for your business.

Expert Solutions You Can Trust

With over seventy years of experience, Gilbert-McEachern Electric is your trusted partner for industrial motor solutions. Our skilled team works with you to assess your current motor systems and identify opportunities for improvement. Whether you need to replace outdated motors, add modern technologies like variable frequency drives (VFDs), or choose reliable products from top-quality brands like Sprecher Motors, we provide the guidance you need to achieve lower costs and a reduced environmental impact without the hassle.

Here’s the bottom line…

Upgrading to energy-efficient motors is a smart move for any business. Not only will you see savings on your electricity bills, but you will also contribute to a healthier environment (and that’s something customers take seriously in our modern business landscape).

Contact Gilbert-McEachern Electric today to explore energy-efficient motor solutions tailored to your business. Our team is here to help!

We are quickly approaching 2025 and the world of industrial motors is evolving just as fast as many other industries. New technologies, environmental demands, and market shifts make for some exciting innovations on the horizon. Let’s look at five trends you can expect to see in 2025 in our industry around the globe…

1. Efficiency Meets Sustainability

Energy efficiency is at the forefront of most markets and industrial motor development is no different. According to Future Market Insights, the global market for energy-efficient motors is set to grow significantly, projected to reach $151 billion by 2034. Stricter energy regulations and the rising costs of electricity are pushing industries to adopt motors with better efficiency ratings, such as those equipped with variable frequency drives or permanent magnet technology.

These advancements aren't (just) about saving money. Think of them as part of a broader move toward reducing the carbon footprint of industrial operations—a win for businesses and the environment alike.

2. Automation and Robotics

As you can imagine, automation has steadily been transforming how motors are designed and deployed. From robotic arms on assembly lines to high-speed packaging systems, industrial robotic motors now offer unprecedented precision and speed. As noted by Straits Research, the market for industrial robotic motors is expected to grow at a CAGR of 12.22%, driven by the rise of e-commerce and the growing need for automated solutions in manufacturing.

Basically, motors are becoming more intelligent and customizable. That means they can be adapted to meet the exact needs of specific robotic applications…providing better performance, reliability, and long-term cost savings.

3. Digital Integration

In today’s day and age, motors aren’t always just standalone components. The Industrial Internet of Things (IIoT) can connect motors to broader systems, enabling real-time monitoring, predictive maintenance, and smarter operations. ResearchAndMarkets.com highlights this shift from product-based to solution-based offerings, where digital tools complement the hardware.

This integration allows businesses to track motor performance in real-time, anticipate maintenance needs, and optimize operations. For industries relying on consistent performance, digital integration is a game-changer. Think more reliability and reduced costly downtime.

4. Compact, Lightweight Motors for Specialized Applications

From aviation to intricate manufacturing processes, the demand for compact and lightweight motors is on the rise. Smaller motors that pack a punch are opening doors to applications previously thought impossible, giving businesses more flexibility in how they operate.

5. Sustainability-Driven Innovation

Sustainability IS a buzzword…BUT it’s also a driving force in industrial motor applications. From hydro-powered production methods to motors designed with recyclability in mind, the entire lifecycle of motors is becoming more eco-conscious. As businesses prioritize sustainability, motors with lower environmental impact will more than likely become the standard. 

Trends are global, but the expertise to meet those needs is often local. At Gilbert-McEachern Electric, we specialize in solutions tailored to the unique challenges of our clients. Whether it’s upgrading to energy-efficient motors or exploring the latest advancements, our team is here to help.

Contact us today to learn how we can support your business.

Electric motors are essential components in a wide range of applications, from industrial machinery to household appliances. When these motors experience issues, motor rewinding is an effective solution. But what exactly is motor rewinding, and how can it benefit you? At Gilbert-McEachern Electric, we specialize in providing top-tier motor rewinding services, and we're here to explain the process and its advantages.

What is Motor Rewinding?

Motor rewinding is a meticulous repair process that addresses shorted, grounded, or damaged coils within an electric motor. This involves carefully removing the damaged windings and replacing them with new ones to restore the motor to peak performance. It’s an ideal solution for motors that are underperforming or have stopped working.

Recognizing the signs that indicate your motor needs rewinding is crucial for maintaining its efficiency and avoiding complete failure. Visible deterioration, such as burns, broken parts, moisture damage, or rust, is a clear indication that rewinding is necessary. Performance issues, including noticeable drops in efficiency or motor stoppages, also signal the need for rewinding. Professionals can measure winding resistance to check for shorted coils. If the resistance levels don’t match the specifications, a rewind might be needed. Low insulation resistance, often due to contamination, vibration, or power surges, is another sign that your motor may require rewinding. Motors that are less than 12-15 years old and showing wear are good candidates for this process.

Our 2022 Charity BBQ and Tradeshow was a great success. We had an amazing time discussing the industry and it was fun watching everyone spend time together and reconnect.

We want to thank the following vendors for coming:

Electrowind

Weg

ABB

Techtop

Thank you to everyone who donated prizes or bought raffle tickets. Your generous donations raised $2000 for the Brant Community Healthcare system!

Finally, thank you to Strodes BBQ & Deli for catering another fantastic meal this year. We look forward to next year’s event!

GME opened our doors in the mid-40s, machining parts for the war out of Reg’s basement. We eventually moved to “the motor palace on Alice” as our business grew and transitioned more to serving the local community. We have seen steady growth over the years and are blessed with extremely loyal customers and a growing team that always goes above and beyond – that’s whyin 2020, we began new renovations to provide even more space so we can continue offering the best service possible.

From the entire team at Gilbert-McEachern Electric, we want to thank you for a brilliant 75years! We plan to continue delivering the same reliable parts and services you’ve come to depend on for at least 75 more.

This year has seen many exciting changes for us at Gilbert-McEachern Electric! If you have been to visit us recently, you know our facility is looking a little different. Leading up to our 75^th anniversary of serving this fine community, we thought the timing was perfect for an upgrade. That’s why we contracted Abcott Construction Ltd., another locally owned company with a great history of building in our community.

Together we are improving our ability to serve our customers with: a better parking lot including accessible parking, improved entrance with a ramp, new welcome desk, easily accessible loading and unloading dock, larger shop area so our team has more room to work, and more rooms means more ability to improve our turn-around times and capacity!

At Gilbert-McEachern Electric, we are continuing to serve our valued customers throughout the construction process.  We are eager to see how these improvements will increase or ability to provide unmatched service for 75 more years to come.

www.abcott.ca

Our 2019 Charity BBQ and Tradeshow was a great success and we want to thank the following vendors for coming:

Barnes
Canadian Bearings
Franklin Electric
Grundfos
Regal
Techtop
WEG

Thank you to all those who donated prizes or bought raffle tickets. Your donations raised $1,275.00 for the Brant Community Healthcare System! Brock & Mal were so moved by your generosity that they donated another $1,275.00 directly to the mental health ward at the Brantford General Hospital.

Finally, thank you to Strodes BBQ & Deli for catering another fantastic meal this year. We look forward to next year’s event!

As a customer since day one, Gilbert-McEachern Electric was proud to celebrate with the largest WEG motor importer in the country, V.J Pamensky on their 40th anniversary of business in Canada. Pictured are Brad Jones and Brock McEachern with founder Victor Pemensky.

We will be exhibiting at the 7th Annual Joint Chamber Tradeshow on Wednesday, September 23rd, 2015 at the BEST WESTERN PLUS Brant Park Inn at 19 Holiday Drive, Brantford. We look forward to seeing you there.

At Gilbert McEachern Electric we are proud to support our local healthcare system through the Weigh Your Scrap and Give Back campaign. Set up through the Ontario Electrical League in conjunction with Reclaim Solutions Incorporated, members are asked to donate between 10-100% of their scrap metal. If you are interested in a barrel to support this great cause, Reclaim Solutions Incorporated will come drop it off at your location. Once your barrel is full, Reclaim Solutions Incorporated will come and weigh the donated scrap metal, determining its value. All funds raised will be donated to the Brant Community Healthcare System Foundation. Funds will be used to invest in new and innovated medical technology and to purchase necessary patient equipment for the Brantford General Hospital and The Willett Hospital. We thank all those who participate for their donation and continued support in this great initiative.