Calculator Shows X-Line Energy Savings

Emerson Climate Technologies Inc. has released an online Annual Energy Savings Calculator, that shows estimated annual energy savings based on the application of its Copeland Scroll outdoor condensing units (X-Line) versus standard technologies.

Emerson sources report the compact and efficient X-Line units offer operators of commercial coolers and freezers a potential energy savings of up to 25% over standard technologies.

The 1.5 to 6HP X-Line series offers an upgrade payback of less than one year, based upon energy savings. Additional savings may be available through custom rebate programs through local utility companies. Users are asked to make selections in three categories: box temperature ranges for coolers (-5F to 40F) or freezers (-40F to 0F); geographic cooling zone (chosen via a cooling zone map of North America or a pull-down menu); and local energy rate, based on $/kWh (chosen via a pull-down menu). A video describing the system can be seen at

Thin-wall Hole Saws Cut 40% Faster When Used with Impact Driver

Milwaukee Tool’s new SHOCKWAVE Thin Wall Hole Saws provide up to 40% faster burr-free cuts than standard bi-metal hole saws, and delivering up to two times longer life than competitive saws. Milwaukee Thin Wall Hole Saws give professionals a superior cutting solution rated for impact drivers. Featuring 1/4-in. quick change hex shanks, the Thin Wall Hole Saw line will include models from 3/4-in. to 1-1/2-in. diameter, and are optimized for applications in thin gauge metal up to 1/8-in. thick.

A stop shoulder design prevents over-drilling material and possible damage to inner components, while an ejection spring automatically ejects material to maximize productivity. Common applications include hole-making in electrical panels, metal studs, junction boxes, sheet metal and mechanical ductwork. Milwaukee’s Todd Taylor says electricians, mechanical and HVAC workers, and plumbers have been migrating to impact drivers as their primary tool of choice for the last several years because they help them work faster.