| Adtek:AccuLoad and AccuComm is an easy, fast and accurate computer software program for calculating heat loss & gain for residential & commercial buildings for sizing HVAC systems. – http://www.adteksoft.com |
| Build It Solar:Home Heat Loss Calculator | BuiltItSolar.com – https://www.builditsolar.com/References/Calculators/HeatLoss/HeatLoss |
| Design Master:Learn more about Design Master HVAC, 3D HVAC building information modeling software for AutoCAD. – http://www.designmaster.biz/products/hvac |
| Elite Software:Elite Software - 30 hvac software programs for all aspects of hvac, plumbing and electrical System Design. Gas Vent Sizing. – http://www.elitesoft.com/web/hvacr/elite_gasventw_info |
| Gastite:Size-It | Layout and Sizing of Gas Piping | Gastite.com – https://www.gastite.com/us/technical-resources/size_it |
| HVAC Solution:Welcome to HVAC Solution - New HVAC Software Design for HVAC Equipment and Systems. – http://www.hvacsolution.com |
| Jeremias:Easy Calc 3.0 is Jeremias's software for chimney sizing. With this online application you can make a quick and easy calculation of your installation. – http://jeremias-me.com/software/easy-calc-30 |
| LoadCalc:Manual J load calculator, HVAC calculation, Whole house - www.loadcalc.net – http://www.loadcalc.net |
| Quickload:QwickLoad is an easy, fast and accurate computer software program for calculating heat loss & gain for residential & commercial buildings for sizing HVAC systems. – http://www.qwickload.com |
| Rockford Chimney:Chimney Liner Size Calculator and Selection Guide – https://www.rockfordchimneysupply.com/liner-size-calculator |
| SASoft:Program for sizing natural gas lines. – http://www.sasoft.net/pcad_g/pcad |
| ServiceCEO:Furnace Repair and Service Software | ServiceCEO – http://www.insightdirect.com/furnace-repair-service-software |
| The Engineering Toolbox:Heating, ventilation and air conditioning systems - design and dimensions. – https://www.engineeringtoolbox.com/hvac-systems |
| Turtle Creek:Goldenseal is Cost Estimating Software for construction and other businesses. – https://www.turtlesoft.com/Estimating-Software |
| Wrightsoft:Wrightsoft HVAC software is the complete solution for HVAC load calculations, system design and sales requirements. – http://www.wrightsoft.com |