Manufacturers typically reserve their biggest new product announcements for the AHR Expo.

The AHR Expo has been described as the world's fair of hvacr products, and manufacturers typically reserve their biggest new product announcements for the show. The following are just a few of the more than 1,500 companies and products scheduled to be on display Jan. 27-29 at McCormick Place in Chicago. For a complete list of exhibitors and products, visit www.ahrexpo.com.

Minneapolis-based Sheet Metal Connectors Inc. will be promoting its E-Z Flange with Barrel Clamp, which company officials say saves field labor with virtually no leakage at the transverse connection. Also on display will be the company's rectangular duct and fittings, high-efficiency takeoff collars and E-Z Tap takeoff collars. For details, contact SMC at 5850 Main St., Minneapolis, MN 55432; call (763) 572-0000; fax (763) 572-1100.

Advance Cutting Systems will be showing several products, including its Duct-Cutter plasma cutting system; Duct Mate, its auto-fold coil line and its CAD duct design and estimating software. For details, contact them at 112 Hilltop Business Drive, Pelham, AL 35124; call (205) 985-8801; fax (205) 985-8804; see www.advancecutting.com on the Internet.

Spiral duct manufacturer McGill AirFlow Corp. will feature its new online ordering system and Current Awareness Service. Visitors will learn about the company's spiral duct and fittings for commercial and industrial air handling systems, as well as acoustical products.

At www.DUCTEXPRESS.com, McGill AirFlow's e-commerce portal, customers will be able to order Uni-Seal¿ round spiral duct and fittings and Uni-Gasket¿ fittings from a nationwide network of Duct Express¿ outlets and sales engineering offices. Company officials say the site provides all information needed to request a quotation, including numbers, names, and descriptions for over 300 sizes and types of spiral duct and fittings. McGill AirFlow responds to requests for quotation by the end of the next business day. Orders can be held for pickup at a convenient Duct Express outlet, shipped directly to the customer, or drop shipped to a designated site.

Access to McGill AirFlow's new "Duct System Design Guide" is available to subscribers of the CAS service. Subscribers receive information via the Web that brings them competitive advantages, advising of advances in duct system technology and of best practices for optimal duct system design. CAS alerts subscribers to competitive prices and available stock at McGill AirFlow's Duct Express outlets. Online registration is available at www.mcgillairflow.com. To learn more about McGill AirFlow's new e-commerce portal, Current Awareness Services, or other products and services, visit www.mcgillairflow.com.

Johns Manville Corp. is planning to exhibit its mat-faced Micro-aire fiberglass duct board, Linacounstic RC fiberglass duct liner, and Microlite formaldehyde-free fiberglass duct wrap. The mat-faced Micro-aire is a new duct board with a fiberglass mat on the airstream side that makes it tougher and more resistant to damage during fabrication or installation, company officials say.

For more information, contact Johns Manville Corp., P.O. Box 5108, Denver, CO 80217-5108; call (800) 654-3103; www.jm.com.

Spiral duct maker Lindab Inc. will be promoting its recently announced partnership with AK Coatings Inc. that will allow it to manufacture round nonresidential ductwork with AgION¿ antimicrobial pre-coated steel. The coating contains silver ions in a zeolite matrix, which inhibits the growth of bacteria, molds, mildew and fungi, according to AK Coatings and Lindab officials.

Contact AK Coatings, 703 Curtis St., Middletown, OH 45043; (866) 571-6352; www.akcoatings.com.

Also see Lindab Inc. at www.lind abusa.com or call (800) 79-SPIRO.

Hardcast Products Group will use the AHR Expo to introduce indoor/outdoor duct sealant Foil-Grip¿ 1402 181BFX. This UL181-listed duct sealant on a roll offers hvac contractors an excellent means of sealing ducts for both the interior and exterior of any building, according to company officials.

Foil-Grip is a pressure sensitive duct joint and general purpose rolled sealant that provides an instant water resistant grip to sheet metal, duct board, flex duct, PVC-coated duct and duct wrap vapor barriers. Produced with a mill finish aluminum substrate in conjunction with a butyl adhesive/sealant, it is exceptional for all applications including sub-grade applications on PVC coated duct.

Harcast says contractors will save time and money with Foil-Grip's unique qualities of sealing on contact and multiple indoor/outdoor uses allowing contractors to carry only one duct sealing system.

For more information, contact Hardcast/Carlisle Systems Inc., P.O. Box 1239, 903 W. Kirby, Wylie, TX 75098; call (800) 527-7092 or see www.hardcast.com on the Internet.