S TRANE engineers newsletter volume 34 5 from the editor Demand controlled ventilation or DCV can reduce the cost of operating the HVAC system which is bound to appeal to property owners in light of the recent surge in energy costs But implementing DCV based on indoor levels of carbon dioxide isn t quite as straightforward under ASHRAE Standard 62 1 2004 Ventilation for Acceptable Indoor Air Quality as it was under previous versions The good news is that DCV
Voan IKIN AC ASHRAE Standards 15 and 34 Considerations for VRV VRF Systems RESIDENTIAL LIGHT COMMERCIAL COMMERCIAL Technical Article May 2013 ASHRAE Standards 15 and 34 Considerations for VRV VRF Systems Executive Summary The Variable Refrigerant Volume VRV technology was introduced by Daikin in the early 80 s as an alternative method of cooling and heating in commercial buildings Today over 25 million individual spaces are being served by th
UNS THROUGH TRAE 62 2 A d Ma o y EA A o gt lm VO A E A W OM Ba Vo mu SO E p AVA ee Tirta AFPFITAT S O ES A Y p Y fy Y A a p ma l A d gt y Gan a A E A E 1 y A A an D a f r WEY rf EN f Y md Y WI am _ oe Y E O mM Tr 1 Y aa g E a l Wa ge j rie Y II O Wa GA We DN D A nr A Ee A wwe a y A I a W a YY ae Y y a a me w7 A as Heyoka solu A Paul H
Flanders Precision Aire Precision Pak Synthetic Media Bag Filters Traditional ASHBAE type filter bags Low initial pressure drop for long life Stitched pockets provide aerodynamics for optimal inflation Offered in all of the most popular sizes Edges have an overlook stitch Synthetic media 100 stake through pocket retainers Item No Model Description Qty Case PA2323 PAPB 101 12x24x12 PAP syn c2 BAG 45 6P 4 PA2324 PAPB 10
Flanders Precision Aire Precision Pak Synthetic Media Bag Filters Traditional ASHBAE type filter bags Low initial pressure drop for long life Stitched pockets provide aerodynamics for optimal inflation Offered in all of the most popular sizes Edges have an overlook stitch Synthetic media 100 stake through pocket retainers Item No Model Description Qty Case PA2323 PAPB 101 12x24x12 PAP syn c2 BAG 45 6P 4 PA2324 PAPB 10
ASHRAE HOUSTON Standard 90 1 City of Houston Energy Code Seminar www ashraehouston or WWw ashrae org http documents publicworks houstontx gov d ocument center houston amendments and code related documents ashrae 90 1 2007 houston amen 77 P 3 uo xd ORAA bi dad ME i 4 HAMM P 7 AM Z 7 y of 7 4 f fe Uy T P of 7 4 M p y 3 P CL ff WM SM 7 gt ASHRAE HOUSTON X Standa
IGSHPA Bown Farth Eor pe MAJOR Ze CAAT ih a AR November 26 2010 Mr Dan Bernstein Thermal Dynamics Inc 5115 Industrial Street Maple Plain MN 55359 re Commercial ground loop design software tools Dear Dan Thanks for the call We hear from many clients and their design engineers frequently concerning the question why eQuest is showing the GSHP option as a poor mechanical choice The answer is that eQuest is not properly used To utilize eQuest for a competen
OVERVIEW OF ASHRAE 62 2 2010 VENTILATION STANDARD MIKE D WILSON DAKOTA SUPPLY GROUP 62 2 vs Minnesota Energy Code 1322 Your group utility agency may have adopted 62 2 2010 This discussion is not the MN code that applies to new construction we have had a mechanical ventilation code since 2000 e They are similar in nature but not the same e Check with your local or state code inspection personal to see what applies to your project Building Science Basics
L8 _ W EN uS imm WP bh d EN y 2 lt Y LUVES UNIVER oll EMED q E og WT esf Y L ENZ I 9 y S 8 B L Building System Envelope HVAC SWH Lighting Mandatory Provisions required for most compliance options Compliance Options Prescriptive Trade Option Energy Cost Budget
HDPsyChart Psychrometric Analysis Professional Edition User Manual APSYCHRO M ETRI C ANALYSIS Professional Edition User Manual VERSION 5 Authored By Hands Down Software 1108 Olde Bridge Road Edmond OK 73034 Off 405 844 6314 Fax 405 844 6314 Email info handsdownsoftware com Web http www handsdownsoftware com Page 1 HDPsyChart Psychrometric Analysis Professional Edition User Manual 4 TABLE OF CONTENTS PROGRAM FEATURES FEATURES
ANSI ASHRAE IESNA Standard 90 1 2007 U S Department of Energy Building Energy Codes Program Pie U S Department of Energy gt Energy Efficiency and Renewable Energy Bringing you a prosperous future where energy Bo dant reliable and affordable It replaces ANSI ASHRAE IESNA Standard 90 1 2004 It will be the reference standard for the 2009 IECC It is the professional standard of care set by ASHRAE consensus Energy Efficienc cy and Renewable ep ph d
ASHRAE 62 2 and Ventilation Philosophy EnergyTrust of Oregon Overview e Why Do We Add Ventilation e ASHRAE 62 2 Policy e ASHRAE 62 2 Mechanics e ASHRAE 62 2 Calculation e RIF Standard vs ASHRAE 62 2 e Methods of Complying with 62 2 e ASHRAE 62 2 Summary Iz TN EnergyTrust of Oregon Why Do We Add Ventilation Reasons for Ventilation e Indoor Air Quality Fresh air carbon monoxide radon cigarette smoke pet dander etc