# Electric Motor Tips & News

> Maintenance tips, buying guides, and repair advice from three generations of electric motor experts at Commercial Electric Motor Service in St. Louis.

Canonical: https://www.cemsi.net/blog/

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Blog

# Motor Knowledge, Straight from the Counter

Maintenance guides, buying advice, and repair know-how from the people who match motors all day. Written for HVAC techs, facility managers, and determined DIY-ers.

[Find My Motor](/contact/)[Call (314) 531-1888](tel:314-531-1888)

[![Red tractor with a front blade parked beside a red trailer in an outdoor area near industrial buildings.](/wp-content/uploads/AdobeStock_1865634729-1920w.webp)

April 28, 2026

### 5 Ways to Maintain Agricultural Duty Replacement Motors Supply in Edwardsville, IL

Equipment failure during peak seasons can be catastrophic for Midwest farms. Here are five practical ways to keep agricultural duty replacement motors running reliably year-round.

Read Post →](/ways-mainiatin-agricultural-duty-replacement-motors-supply-edwardsville-il/)[![Open HVAC unit on a rooftop showing exposed motor and metal housing.](/wp-content/uploads/AdobeStock_615219955-1920w.webp)

March 9, 2026

### Air Conditioning Motors in Fairview Heights, IL: Tips

Preventive maintenance keeps air conditioning motors in Fairview Heights, IL running efficiently, extends motor lifespan, and prevents costly emergency repairs.

Read Post →](/blog/air-conditioning-motors-fairview-heights-il-tips/)[![A man inserts an engine cooling fan under the radiator grill of a car.](/wp-content/uploads/GettyImages-1976198948-1920w.webp)

December 17, 2025

### How to Choose the Right Air Conditioning Motors for Sale

From PSC to ECM motors, learn the key factors (size, efficiency, compatibility, and durability) to consider when choosing air conditioning motors for sale in Nashville, IL.

Read Post →](/blog/how-choose-air-conditioning-motors-for-sale/)[![Hand of mechanic man remove system and part of air condition.](/wp-content/uploads/GettyImages-2049962569-1920w.webp)

October 8, 2025

### Why Timely Air Conditioning Motor Repair Saves You Money

Delaying AC motor repair leads to higher energy bills, accelerated system wear, and uncomfortable spaces. Learn why timely repair protects your comfort and your budget.

Read Post →](/blog/why-air-conditioning-motor-repair-save-money/)[![Guide to Selecting Efficient Air Conditioning Motors](/wp-content/uploads/gettyimages-2192006562__2_-1920w.webp)

August 25, 2025

### Guide to Selecting Efficient Air Conditioning Motors

Choosing the right AC motor means getting the size, efficiency rating, and compatibility right. This guide covers what commercial property owners need to know.

Read Post →](/blog/guide-to-selecting-ac-motors/)[![Air condition on wall.](/wp-content/uploads/GettyImages-2160673671-1920w.webp)

August 1, 2025

### AC Fan Motor Not Spinning? 5 Signs You Need Repair in Nashville, IL

Unusual noises, inconsistent airflow, frequent cycling, sudden shutdowns, and high energy bills: five warning signs your AC motor needs professional repair.

Read Post →](/blog/signs-for-air-conditioning-motor-repair/)[![Importance of Air Conditioning Motors in High Ridge, MO](/wp-content/uploads/GettyImages-182676725_highres-1920w.webp)

April 16, 2025

### Importance of Air Conditioning Motors in High Ridge, MO

Air conditioning motors power the airflow in your HVAC system. Learn how they work, signs of failure, maintenance essentials, and how to choose the right replacement.

Read Post →](/importance-of-air-conditioning-motors-in-high-ridge-mo/)[![Professional AC motor replacement by a Commercial Electric Motor Service Inc. technician in High Ridge, MO, enhancing system longevity and cooling.](/wp-content/uploads/ThinkstockPhotos-672482516-1920w.webp)

February 22, 2025

### Top Benefits of Professional Air Conditioning Motor Replacement in High Ridge, MO

Professional AC motor replacement delivers superior performance, enhanced energy efficiency, and longer system life. See why expert installation matters.

Read Post →](/top-benefits-of-professional-air-conditioning-motor-replacement-in-high-ridge-mo/)[![Motor and copper pipes of an air conditioning system](/wp-content/uploads/GettyImages-1811515233_hi-res-1920w.webp)

February 5, 2025

### The Role of Air Conditioner Motors in Keeping Arnold, MO Cool

The air conditioner motor powers the fan that keeps Arnold, MO homes and businesses cool. Learn how it works and how to maintain it for peak performance.

Read Post →](/the-role-of-air-conditioner-motors-in-keeping-arnold-mo-cool/)

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> "My go-to for hard to find motors. Super friendly and knowledgeable staff."

TheMattster Hard-to-find motors

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> "Fantastic service. These guys know everything there is to know when it comes to motors."

Kim K. Counter service

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> "What an amazing family business they have! There's a reason businesses all over the Midwest have trusted CEMSI for decades."

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## Motor Down? Pick It Up Today or We'll Ship It Today.

Grab it at our Midtown St. Louis counter, or call before noon and in-stock motors and parts go out same day, anywhere in the country.

[Call (314) 531-1888 Now](tel:314-531-1888)