Hoang Phung

Manual J calculation

Jan 2022 - Present • 4 yrs 9 mos

My experience includes: Performing room-by-room heating and cooling load calculations Calculating Sensible Heat and Latent Heat Loads Determining required Heating BTU/h and Cooling BTU/h Calculating Room CFM requirements based on calculated loads Entering and analyzing building construction data, including walls, windows, doors, roofs, floors and insulation Evaluating building orientation and solar heat gain Accounting for infiltration, ventilation and internal heat gains Setting project design conditions according to the required location Calculating design heating and cooling loads for individual rooms and entire buildings Reviewing load calculation results and identifying potential oversizing or undersizing Preparing professional Manual J calculation reports Using architectural floor plans and project information to build accurate HVAC load calculation models Using Wrightsuite Universal / Wrightsoft to create and document residential HVAC load calculations

Manual S equipment selection

Jan 2022 - Present • 4 yrs 9 mos

Experienced in residential **Manual S equipment selection and sizing** using heating and cooling load results from Manual J calculations and **Wrightsuite Universal (Wrightsoft)**. My experience includes: * Selecting appropriate **heating and cooling equipment** based on Manual J design loads * Sizing **air conditioners, heat pumps, furnaces and air handlers** * Matching equipment capacity with calculated **heating and cooling loads** * Reviewing **equipment performance data and manufacturer specifications** * Evaluating equipment capacity at required **design conditions** * Checking **heating and cooling capacity at different outdoor temperatures** * Selecting equipment while avoiding excessive **oversizing and undersizing** * Verifying equipment performance against **Manual J load requirements** * Selecting appropriate **equipment combinations and system configurations** * Reviewing **AHRI-rated equipment combinations** where applicable * Determining suitable equipment capacity for individual HVAC zones * Preparing professional **Manual S equipment selection reports**

Manual D duct design

Jan 2022 - Present • 4 yrs 9 mos

**Residential HVAC Design** I can design HVAC systems based on your project requirements, architectural plans, and installation conditions. My experience includes: * Manual J, S, D & T based HVAC design * Supply and return ductwork design * Box duct, Ductliner, and other ductwork configurations * Duct routing through **floor, ceiling, attic, or crawl space** * CFM calculation and duct sizing * Supply register and return grille placement * Routing around beams, joists, plumbing, and electrical systems * HVAC zoning and equipment layout * Design revisions based on client or contractor requirements I focus on practical, efficient, and installation-friendly HVAC designs.