Web site www.ifigure.com/ engineer/mechanic/mechanic.htm is for designers with links to tools for calculating aerodynamic flow, aggregate properties, thermo-dynamics, valve sizing, and a variety of other calculators and worksheets.

COMMkitchen.com announced that it has appointed PartsTown as its exclusive national parts distributor.

FiltersRX.com is launching an e-commerce Web site.

Pentech Solutions (www.pentechsd.com) announced the rollout of a national multisite, multiaccount pilot program in conjunction with Encompass National Accounts.

Improve-Net (www.ImproveNet.com) announced that it is now providing content and services for an online home improvement area to Yahoo!

Riley Sales is introducing a new server-based Web site.

Dreisilker Electric Motors has created an e-commerce Web site for industries that use electric motors and related equipment.

A recent survey conducted by eCaribou.com has revealed that the use of the Internet by hvacr service companies has initially been led by the nation’s larger businesses.

Aire Serv has launched a jobline on the Internet.

A newly “enhanced” Fasco Web site now features “live” online ordering for distributing companies.