# https://elscotransformers.com/llms.txt > ELSCO manufactures high-quality medium-voltage transformers in 500 – 2500 KVA ratings and 2400 – 34,500 primary voltages ## Transformers - [Dry Type Transformers](https://elscotransformers.com/transformers/dry-type-transformers/): Explore all the reliable and efficient transformers that ELSCO has to offer! Ideal for diverse applications and voltage, click here to learn more! - [Padmount Transformers](https://elscotransformers.com/transformers/padmount-transformers/): From residential to commercial use, click to learn more about the durable and efficient padmount transformers ELSCO Transformers has to offer! - [Refurbished Transformers](https://elscotransformers.com/transformers/pre-owned-transformers/): ELSCO Transformers is your home for reconditioned dry-type and oil-filled transformers. Contact us today to learn more and request a quote! - [How We Build Transformers](https://elscotransformers.com/transformers/build-your-transformer/): Discover the meticulous process used by ELSCO to assemble high-quality transformers for commercial and residential use. Click to learn more or request a quote! - [Transformer Warranty](https://elscotransformers.com/about-us/the-elsco-warranty/): Our new indoor dry type transformers carry a five-year warranty that guarantees against any workmanship defects or material problems under regular use. - [Request a Quote for a Transformer](https://elscotransformers.com/request-a-quote/): Request a quote for medium voltage dry type transformers from ELSCO Transformers. ## Transformer Services - [Transformer Services](https://elscotransformers.com/services/): Expert transformer services from ELSCO: repairs, rebuilds, testing, and oil processing. Maximize the life and efficiency of your transformers. Contact us now! - [Transformer Custom Bus Work](https://elscotransformers.com/services/custom-bus-work/): ELSCO Transformers are experts in custom bus work for dry type transformers. If you are in need of custom bus work for a dry type, then contact us today! - [Transformer Retrofits](https://elscotransformers.com/services/transformer-retrofits/): ELSCO Transformers is your expert for all your transformer manufacturing and retrofitting needs. Click to learn or request a quote to see our work in action! - [Custom-Built Transformers](https://elscotransformers.com/services/custom-built-transformers/): We design and build our custom dry type and padmount medium voltage transformers to fit your power specifications and needs. Click to request a quote! - [Emergency Transformer Replacements](https://elscotransformers.com/services/emergency-replacements/): We offer emergency replacement transformers for organizations that need to keep their productivity up and their downtime to a minimum. Call us today! - [Transformer Repairs](https://elscotransformers.com/services/transformer-repairs/): From minor fixes to complete rebuilds, we ensure optimal performance of your transformers! Contact ELSCO Transformers for repairs and services near you! ## Transformer Resources - [Guide to Transformer kVA Ratings — How to Determine What Size Transformer You Need](https://elscotransformers.com/blog/guide-to-transformer-kva-ratings-how-to-determine-what-size-transformer-you-need/): Make the right choice when selecting a transformer for your business. Learn everything you need to know and boost efficiency with ELSCO Transformers. - [Dissolved Gas Analysis Limits](https://elscotransformers.com/blog/dissolved-gas-analysis-limits/): What are the dissolved gas analysis limits for transformers and how do they impact electronics? Learn more about common gases and their concentrations. - [Why Do Transformers Hum? Understanding Transformer Noise](https://elscotransformers.com/blog/why-do-transformers-hum/): Discover the reasons behind humming transformers. Explore the causes, how to reduce the humming noise and gain insights into this common phenomenon. - [Copper vs. Aluminum Dry Type Transformer Windings](https://elscotransformers.com/blog/copper-vs-aluminum-dry-type-transformer-windings/): Explore the key differences between copper and aluminum windings in dry-type transformers. Learn about reliability, cost, and other performance factors. - [Guide to Transformer Failures](https://elscotransformers.com/blog/guide-to-transformer-failure/): Do you know common causes of transformer failure? Find out the signs of a failing transformer and how ELSCO Transformers can help with repairs or replacements. - [Guide to Oil-Filled Transformer Maintenance](https://elscotransformers.com/blog/dry-type-vs-liquid-transformers/): Dry type transformers offer numerous benefits and are used for many applications. Visit our website for a guide to dry type transformers and learn more! - [The Different Parts of a Dry Type Transformer](https://elscotransformers.com/blog/the-different-parts-of-a-dry-type-transformer-2/): From core to cooling, discover the components that make up dry type transformers and allow them to power modern industry! Click to learn more! - [Guide to Dry Type Transformers](https://elscotransformers.com/blog/guide-to-dry-type-transformers/): Dry type transformers offer numerous benefits and are used for many applications. Visit our website for a guide to dry type transformers and learn more! - [Guide to Dry Type Transformer Maintenance](https://elscotransformers.com/blog/guide-to-dry-type-transformer-maintenance/): Learn how to maintain your dry or liquid type transformer with our comprehensive guide. Ensure optimal performance, longevity, and safety with expert tips. - [Understanding Dry Type Transformer Cooling Methods](https://elscotransformers.com/blog/understanding-dry-type-transformer-cooling-methods/): Learn more about natural air cooling vs. forced air cooling to boost your understanding of dry type transformer cooling methods. Read our guide here. - [Do Oil-Filled Transformers Need a Containment Pan?](https://elscotransformers.com/blog/do-oil-filled-transformers-need-a-containment-pan/): Wondering if your padmount transformer needs a containment pan? The experts at ELSCO can help with all your oil-filled transformer needs. Contact us today. - [Dry-Type vs. Liquid Transformers](https://elscotransformers.com/blog/guide-to-oil-filled-transformer-maintenance/): Learn how to maintain your dry or liquid type transformer with our comprehensive guide. Ensure optimal performance, longevity, and safety with expert tips. - [6 Signs You Might Need to Replace Your Oil Filled Transformer](https://elscotransformers.com/blog/6-signs-you-might-need-to-replace-your-oil-filled-transformer/): Is your oil-filled transformer showing signs of failure? Learn about 6 key indicators that signal it might be time for a replacement. Understand more here! - [Causes of Transformer Failure](https://elscotransformers.com/blog/how-old-reliable-is-your-transformer/): Is your transformer old reliable, or a ticking time bomb? Learn how to assess the health and lifespan of your transformer with ELSCO's expert insights. - [Why Is My Dry Type Transformer Making a Loud Humming Noise?](https://elscotransformers.com/blog/why-is-my-dry-type-transformer-making-a-loud-humming-noise/): Choose ELSCO transformers for high-performance solutions that help minimize loud humming noises and provide decades of reliable use. Contact us today. - [DOE Efficiency Standards for Transformers](https://elscotransformers.com/blog/doe-efficiency-standards-for-transformers/): In 2016, the Department of Energy set minimum efficiency requirements for transformers. Learn more about the DOE efficiency standards for transformers. - [DOE Efficiency Standards for Dry Type Transformer](https://elscotransformers.com/blog/doe-efficiency-standards-for-dry-type-transformer/): The operating efficiency of your dry type depends not only on its DOE efficiency rating, but also on the dynamic electrical properties of the load it serves. - [Round Coil vs. Rectangular Coil for Transformers](https://elscotransformers.com/blog/round-coil-vs-rectangular-coil-for-transformers/): Explore the key differences between round and rectangular coils in transformers. Learn about their pros, cons, and which is best for your application. - [Disc Wound vs. Layer Wound Transformer](https://elscotransformers.com/blog/disc-wound-vs-layer-wound-transformer/): Explore the key differences between disc wound and layer wound transformers. Learn about their construction, applications, and advantages in our blog. - [Average Lead Times of Padmount Transformers](https://elscotransformers.com/blog/average-lead-times-of-padmount-transformers/): Discover average lead times for padmount transformers in our comprehensive guide. Stay informed about how ELSCO Transformers helps solve lead time challenges. - [Why Is Your Dry Type Transformer Overheating?](https://elscotransformers.com/blog/why-is-your-dry-type-transformer-overheating/): ELSCO designs and manufactures high-performance transformers with internal components that help optimize airflow and prevent overheating. Contact us today. - [Average Lead Times of Dry Type Transformers](https://elscotransformers.com/blog/average-lead-times-of-dry-type-transformers/): Understand dry-type transformer lead times and factors impacting them. Learn how ELSCO resolves lead time challenges with their retrofitting services. - [Standard kVA Sizes for Three-Phase Medium Voltage Transformers](https://elscotransformers.com/blog/standard-kva-sizes-for-three-phase-medium-voltage-transformers/): Discover the common and typical sizes of kVA medium voltage three-phase dry-type transformers. Click here to learn more from the experts at ELSCO Transformers! - [Indicators That Dry Type Transformers Are Failing](https://elscotransformers.com/blog/indicators-that-dry-type-transformers-are-failing/): Dry type transformers can fail for various reasons. Learn how to tell if your dry type will fail so you can proactively plan to repair or replace it. - [Should Dry Type Transformers Be Installed Indoors or Outdoors?](https://elscotransformers.com/blog/should-dry-type-transformers-be-installed-indoors-or-outdoors/): ELSCO Transformers offers medium-voltage, dry type units ideal for both indoor and outdoor installations. Contact us today to learn more about our products. - [How to Select the Ideal Transformer for Your Company](https://elscotransformers.com/blog/how-to-select-the-ideal-transformer-for-your-company/): Make the right choice when selecting a transformer for your business. Learn everything you need to know and boost efficiency with ELSCO Transformers!