IAQ & Ventilation http://hpac.com/taxonomy/term/7348/more en Refrigerants in Transition: Impacts on HVAC-System Design http://hpac.com/air-conditioning/refrigerants-transition-impacts-hvac-system-design <div class="field-byline"> By RYAN GEISTER, Trane, La Crosse, Wis. </div> <div class="field-deck"> Balancing environmental impacts, safety, efficiency </div> <div class="node-body article-body">HVAC-system efficiency is impacted by not only the type of equipment selected, but the choice of refrigerant. This is especially relevant now, as the HVAC industry begins another transition in refrigerants for chillers and, eventually, other equipment.</div> <p><a href="http://hpac.com/air-conditioning/refrigerants-transition-impacts-hvac-system-design" target="_blank">read more</a></p> http://hpac.com/air-conditioning/refrigerants-transition-impacts-hvac-system-design#comments Air Conditioning Heating IAQ & Ventilation Thu, 08 Dec 2016 19:46:00 +0000 29931 at http://hpac.com anigoweb/iStock With Aerosol-Based Duct Sealing, Hotel Gives Foul Odors the Shaft http://hpac.com/iaq-ventilation/aerosol-based-duct-sealing-hotel-gives-foul-odors-shaft <div class="field-byline"> By AEROSEAL LLC </div> <div class="field-deck"> Disruption to building and operations minimized </div> <div class="node-body article-body">At the JW Marriott hotel in Atlanta’s Buckhead district, inadequate exhaust led to musty odors. With long ventilation shafts embedded behind the building’s structure, accessing and repairing the problem had proven to be logistically and economically impossible.</div> <p><a href="http://hpac.com/iaq-ventilation/aerosol-based-duct-sealing-hotel-gives-foul-odors-shaft" target="_blank">read more</a></p> http://hpac.com/iaq-ventilation/aerosol-based-duct-sealing-hotel-gives-foul-odors-shaft#comments IAQ & Ventilation Thu, 08 Dec 2016 18:59:00 +0000 29921 at http://hpac.com AMCA International Revises AMCA Standard 99, Standards Handbook http://hpac.com/iaq-ventilation/amca-international-revises-amca-standard-99-standards-handbook <div class="node-body article-body">Air Movement and Control Association (AMCA) International Inc. recently announced the revision of AMCA Standard 99, Standards Handbook.</div> <p><a href="http://hpac.com/iaq-ventilation/amca-international-revises-amca-standard-99-standards-handbook" target="_blank">read more</a></p> http://hpac.com/iaq-ventilation/amca-international-revises-amca-standard-99-standards-handbook#comments IAQ & Ventilation Wed, 07 Dec 2016 16:30:00 +0000 29871 at http://hpac.com VFD Retrofits Lower Skyscraper’s Energy Consumption http://hpac.com/motors-drives/vfd-retrofits-lower-skyscraper-s-energy-consumption <div class="field-byline"> By DANFOSS </div> <div class="field-deck"> More than 150 drives installed over 15 years, yielding $1 million-plus in energy savings </div> <div class="node-body article-body">In 1971, U.S. Steel completed construction of its world headquarters in Pittsburgh. Ahead of its time initially, the building had fallen behind mechanically by the turn of the millennium. It was then the property manager began a series of retrofits using VFDs that have resulted in more than $1 million in energy savings. </div> <p><a href="http://hpac.com/motors-drives/vfd-retrofits-lower-skyscraper-s-energy-consumption" target="_blank">read more</a></p> http://hpac.com/motors-drives/vfd-retrofits-lower-skyscraper-s-energy-consumption#comments IAQ & Ventilation Motors / Drives Piping / Pumping Thu, 01 Dec 2016 19:01:00 +0000 29831 at http://hpac.com To Retrofit or to Replace Your Building System, That Is the Question http://hpac.com/air-conditioning/retrofit-or-replace-your-building-system-question <div class="field-byline"> By MICHAEL BRUDERS and SHANNON LIPPOLD, Honeywell International Inc. </div> <div class="field-deck"> How to tell if your building system is at a crossroads or at the end of the line </div> <div class="node-body article-body">With the passage of time, mechanical systems deteriorate and performance declines; that goes without saying. What is less clear is the line between retrofitting a system and replacing it.</div> <p><a href="http://hpac.com/air-conditioning/retrofit-or-replace-your-building-system-question" target="_blank">read more</a></p> http://hpac.com/air-conditioning/retrofit-or-replace-your-building-system-question#comments Air Conditioning Building Controls Fire / Smoke Heating Humidity Control IAQ & Ventilation Motors / Drives Piping / Pumping Thu, 01 Dec 2016 18:19:00 +0000 29821 at http://hpac.com John Lund/Paula Zacharias Selecting Actuators for Industrial HVAC/Process Dampers http://hpac.com/iaq-ventilation/selecting-actuators-industrial-hvacprocess-dampers <div class="field-byline"> By BILL LAMPKIN, Greenheck Fan Corp., Schofield, Wis. </div> <div class="field-deck"> What you need to know about this important and not-so-simple process </div> <div class="node-body article-body">If it is to accomplish its intended purpose, any damper installed in a HVAC system must be equipped with an appropriate actuator. The selection of an actuator for a specific damper requires consideration of a number of factors.</div> <p><a href="http://hpac.com/iaq-ventilation/selecting-actuators-industrial-hvacprocess-dampers" target="_blank">read more</a></p> http://hpac.com/iaq-ventilation/selecting-actuators-industrial-hvacprocess-dampers#comments Building Controls IAQ & Ventilation Thu, 01 Dec 2016 16:42:00 +0000 29811 at http://hpac.com Zffoto/iStock GALLERY: Vintage HVAC Advertisements, 1944 http://hpac.com/galleries/gallery-vintage-hvac-advertisements-1944 <div class="field-byline"> By ASHLEY M. DOLES </div> <div class="node-body article-body">Advertising in 1944 stressed sacrifice and that the people of the United States were in the fight together. Still patriotic, ads began to sell a “postwar dream.” In the ads, companies would feature goods and services not yet available to the public in the hope of being well-positioned when the war finally ended. Cast in a poor light during the Great Depression, many companies sought to redeem their public image with postwar promises. An Allied victory was expected to bring forth a new era of prosperity.</div> <p><a href="http://hpac.com/galleries/gallery-vintage-hvac-advertisements-1944" target="_blank">read more</a></p> http://hpac.com/galleries/gallery-vintage-hvac-advertisements-1944#comments Galleries Building Controls Heating Humidity Control IAQ & Ventilation Motors / Drives Piping / Pumping Tue, 29 Nov 2016 14:32:00 +0000 29631 at http://hpac.com Calendar of HVACR Training and Education Events http://hpac.com/training/calendar-hvacr-training-and-education-events <div class="node-body article-body">Are you looking to expand your knowledge and/or sharpen your skills in a particular area of HVACR? Do you have certification requirements you need to meet? Here is a list of upcoming industry education and training events.</div> <p><a href="http://hpac.com/training/calendar-hvacr-training-and-education-events" target="_blank">read more</a></p> http://hpac.com/training/calendar-hvacr-training-and-education-events#comments Air Conditioning AHR Expo Training Building Controls Fire / Smoke Heating Humidity Control IAQ & Ventilation Motors / Drives Piping / Pumping Mon, 21 Nov 2016 19:15:00 +0000 12391 at http://hpac.com Onset Publishes Whitepaper on Managing Carbon Dioxide in Buildings http://hpac.com/iaq-ventilation/onset-publishes-whitepaper-managing-carbon-dioxide-buildings <div class="node-body article-body">Onset recently published a whitepaper examining the risks of elevated carbon dioxide (CO2) and how data loggers can be used to cost-effectively monitor CO2 and maintain safe levels.</div> <p><a href="http://hpac.com/iaq-ventilation/onset-publishes-whitepaper-managing-carbon-dioxide-buildings" target="_blank">read more</a></p> http://hpac.com/iaq-ventilation/onset-publishes-whitepaper-managing-carbon-dioxide-buildings#comments IAQ & Ventilation Mon, 14 Nov 2016 21:21:00 +0000 29531 at http://hpac.com AMCA Certifies First Louvers for Wind-Driven-Sand Rejection http://hpac.com/iaq-ventilation/amca-certifies-first-louvers-wind-driven-sand-rejection <div class="node-body article-body">Air Movement and Control Association (AMCA) International recently announced the first sand louvers have been certified for wind-driven-sand rejection in accordance with the AMCA Certified Ratings Program.</div> <p><a href="http://hpac.com/iaq-ventilation/amca-certifies-first-louvers-wind-driven-sand-rejection" target="_blank">read more</a></p> http://hpac.com/iaq-ventilation/amca-certifies-first-louvers-wind-driven-sand-rejection#comments IAQ & Ventilation Wed, 09 Nov 2016 04:07:00 +0000 29461 at http://hpac.com