Enerdoor engages worldwide in conferences, exhibits and innovation.

ISO 9001 Certification and Product Committment

The Enerdoor Group is an ISO 9001 Certified Company. We design and manufacture EMI-RFI filters, motor protection filters, harmonic solutions, voltage stabilizers and surge arresters for a wide range of applications and can help with design and…

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Trade Show in Aisa

One of the best parts of our job is connecting with people and solving their EMI and harmonic problems.  Enerdoor is proud to be co-hosting with Electrimec Asia Pacific at a recent trade show in Indonesia.  For inquiries on how Enerdoor can improve…

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CE Certification From Industry Experts

Since 1992, The Enerdoor Group has specialized in EMC testing and CE Certification, providing on-site flat rate testing to customers around the world through an efficient, global organization. Our flat rate testing service is unique in the industry,…

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Competitive Pricing - Next Day Delivery - Expert Technical Support

Enerdoor offers competitive pricing, next day delivery and expert technical support on hundreds of EMI-RFI filters, motor protection, harmonic filters and power factor correction.  Contact us today for a quote: or 207-210-6511.

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Global Leader in EMI-RFI Filters

Enerdoor is one of the world’s leading EMI-RFI filter providers.  We manufacture over 500 EMI, motor protection, harmonic and surge protection products from our factories in Italy and Hungary. Visit our products page today…

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Extensive Range of EMI-RFI Filters

In addition to CE Certification, Enerdoor offers an extensive range of EMI-RFI filters, harmonic solutions and motor protection.  Discover our extensive range of products today-     

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Enerdoor in Las Vegas

Enerdoor continues to be an industry leader for innovation and excellence for EMI-RFI filters, motor protection, harmonic solutions and CE Certification.  Join us at the EASA Convention this June 30th - July 2nd in Las Vegas.   We will be featuring…

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New Enerdoor Catalog: EMI Filters, Motor Protection and Harmonic Filters

Hot off the press!  For all your EMI/RFI filter, motor protection and harmonic filter needs, be one of the first to receive the new Enerdoor catalog!!  Download a copy instantly or contact your Enerdoor sales rep to have a hard copy mailed. To view…

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New Technology - FINHRMAD Resolves Harmonic Distortion

It's always exciting when you bring new technology to the market.  Enerdoor is proud to release the new FINHRMAD.This new product is smaller, faster and cleans harmonics at 400 or 480 Vac in the same version, where the old technology required two…

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EMI-RFI Disturbance Problems

Come visit us!  SPS Parma May 28-30, 2019.  Pavilion 5 – Stand F061 EMI Disturbance problems cause production malfunctions and costly downtime. Enerdoor and Finmotor will showcase new products at this trade show and are pleased to offer new…

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Invisible Noise and System Failures

How many times have you had the problem where your equipment temporarily lost communication, had faulty readings or system failures? Machines today use Ethernet ports with remote access for operations such as uploading programs, control and…

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Enerdoor Old Design

Enerdoor Announces Website Redesign

Enerdoor is proud to accounce the launch of our redesign website! Designed, developed and managed by our friends at Saco Design, Inc. Aligned with our commitment to power quality solutions; it is our intention with our sleek new website design, to…

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EMI-RFI Filters in the Rocky Mountain Area

As our newest sales rep in the Rocky Mountain region, Advanced Control Equipment now sells our complete line of Enerdoor EMI-RFI filters, motor protection, harmonic filters, line reactors, surge arresters and CE Certification services. They are an…

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Enerdoor at SPS Drives

Enerdoor showcased at the SPS Drives show in Nuremberg, Germany this month.  Booth visitors had a chance to check out our new active and passive harmonic filters and to learn more about Enerdoor EMI-RFI filters, motor protection and CE Certification.

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EMI-RFI Filters for OEMs Using VFDs and Servo Drives

As one of the largest EMI-RFI filter manufacturers in the world, Enerdoor offers solutions to customers needing an EMI-RFI filter in conjunction with single or multiple variable frequency drives (VFDs) and servo drives.   It can be challenging for…

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Custom Solutions

Enerdoor Custom Filter Solutions

In addition to our complete offering of standard EMI-RFI and motor protection filters, Enerdoor offers custom filter solutions for unique applications and mechanical requirements, and provides filtering in ranges not offered in our standard…

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CE Certification with Industry Leader

CE Certification With Industry Leader

As one of the largest EMI-RFI filter manufacturers in the world, Enerdoor also offers a flat rate, on-site CE Certification and consulting service.

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Voltage Stabilizers

Enerdoor specializes in single and three phase voltage stabilizers that regulate voltage through a series of transformers. Find out more about this extensive series and how you could save money today! View our Voltage Stabilizer.   …

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