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Welcome to Unitron's Online Store. We are distributors of NuTone, Broan, M&S, Aiphone, Marley, Air King, Panasonic, Fahrenheat, Kitchen Center and Qmark home convenience products, serving the greater St. Louis metropolitan area for over 30 years. We are not just an E-commerce outlet operating out of our home, but have a large warehouse and staff, a showroom filled with floor displays, and offices in High Ridge, Missouri. Now, with this online store, our home convenience products and our support are available to consumers world-wide!

To view our product lines, click on any of the categories to the left.

If you can't find the NuTone, Broan, M&S, Aiphone, Air King, Marley, Panasonic, Fahrenheat, Kitchen Center or Qmark product that you need in our online store, please contact us toll-free at 1-866-677-2999 or e-mail us at, and we will be happy to special order any item for you.

Click here to read what our customers have to say about Unitron

Unitron's Showroom Displays

When it comes to choosing products for your home, choose brands that top builders prefer - NuTone, M&S, Aiphone, Air King, Marley, Panasonic,Broan, Fahrenheat, Kitchen Center and QMark.

NuTone, M&S and Aiphone are leaders in home radio intercoms. This product line includes systems with patio speakers, CD players and video door answering. Check out our Xtreme Digital Music Stereo Intercom System. We also carry lines of home theater systems and surround sound components.

We carry the finest bathroom, kitchen, window, attic, roof, exhaust, garage, workshop and warehouse fans by Marley, QMark, Air King, Panasonic and NuTone

A NuTone, Marley, M&S or Air King Central Vacuum System offers convenience and value. We also carry replacement parts for all our lines in case your existing central vacuum system is in need of care. We also have garage and car care kits by these manufacturers.

Our ironing centers fold into the wall and have beautiful decorative covers to beautify the appearance of the room when not in use.

Door chimes are available in many models, and serve equally well in both commercial and residential situations.

Home and Commercial Heaters come in both ceiling and wall mounted units by QMark, NuTone, Air King, Broan, Fahrenheat and Panasonic.

We also carry the latest in whole-house HEPA filtration, with systems by Guardian Plus, a Broan-NuTone subsidiary. These provide filtration, filtration with fresh air ventilation, and a third model also provides heat recovery.

We honor these payment types:

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Aiphone JAS-2MECD Door Answering Intercom Kit

Price $1,140.00


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Air King 9600 Window Fan with Thermostat

Price $77.00


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Broan 688 Exhaust Fan

Price $10.00


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Kitchen Center KC-PWR-1SS Power Base

Price $250.00


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Marley C8845R Door Chime

Price $155.00


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Nutone AVD50N ironing center

Price $250.00


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Nutone CV353 vac tank

Price $245.00


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Nutone IMA4406

Price $646.00


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Panasonic FV-05VQ3

Price $135.75


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QMark SED1512

Price $62.00


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Carbon Monoxide Detector 12-24SIR

Price $53.75


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Carbon Monoxide Detector-Portable Credit Card Size

Price $4.50


Shipping Inquiries

Additional shipping cost will apply on oversize orders (central vac tanks, central vac tubing, ironing board centers, etc.).


A 20% restocking charge will apply on returned stock items. All returned items must be in original box, in brand new condition, never installed, with all packaging, accessories & instructions to receive credit. Customer must provide copy of invoice showing original purchase and purchase date. Special orders and parts are non-returnable and non-refundable.

Quality bath exhaust fans and more

Welcome to Unitron, Inc., where you'll find the greatest deals on the highest quality equipment for your home! Our staff has been especially selective in choosing our inventory, because important installations like bath exhaust fans and central vacuum cleaner systems need to be reliable and able to perform to the highest standards. As you shop around our site, you'll find terrific prices on name brand NuTone exhaust fans and other conveniences like wireless door chimes, ironing centers that fold right into the wall and home intercom system equipment to help you keep in touch. Please take your time while you browse and take advantage of our simple, secure online ordering. There's a lot to see, so start exploring now! If you would like to learn more about our modern home accessories look to our articles for more information.

M&S Intercom systems and more

Having been in business as a brick and mortar store for thirty years, Unitron has recently expanded into the online market, with a mission to give the same great customer service they are known for in St. Louis worldwide. Both a retailer and a wholesaler, Unitron is proud to offer products from M&S Intercom, Air King fans, and more. Home conveniences like exhaust fans and built in ironing boards have rarely been this easy to come by, especially in one store. To learn more about the products we offer, as well as our manufacturers' warrantees, please browse our articles page, or contact us today.

Browse top video intercom system styles

Within the pages of, you'll discover the best in a Aiphone video intercom systems as well as premium Check out our Ebay store

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