​​Heat-Load USA

ACCA Manual J load calculation - Manual S - Manual J HVAC - Manual J Calculation Service - Heat Load Calculation - Residential Load Calculation - Manual J Services - What is a Manual J - manual j hvac residential load calculation
- load calculation - Manual N - Commercial load calculation = HVAC ENGINEERS - HVAC CONSULTANTS
- ACCA Manual N Commercial load calculation - Manual D - Manual D calculation - Manual J & D Calculations

Company Profile

2012, 2013, 2014, 2015, 2016 & 2019  Energy Star EPA Century Award Winner

We are blushing. For 5 years in a row now, we have been award the EPA Century Award from Energy Star. 


For many years now, we have maintained an A+ rating on BBB.  We strive to provide excellent customer service all around!

Awards & Recognition

Useful Links:

ACCA:   https://www.acca.org/home

NJ Clean Energy Program:  http://www.njcleanenergy.com/

Energy Star:  https://www.energystar.gov/

Energy Star on Heating and Cooling:  https://www.energystar.gov/index.cfm?c=heat_cool.pr_hvac&s=mega

Wrightsoft Manual J Software:  http://www.wrightsoft.com/

NATE:  http://www.natex.org/site/1/Home

Comfort Institute: https://comfortinstitute.org/

Hart and Cooley:  http://www.hartandcooley.com/catalogs

Home Depot HVAC: https://www.homedepot.com/b/Heating-Venting-Cooling/N-5yc1vZc4k8

Building Performance Institute:  www.BPI.org

AHRI Directory:  https://www.ahridirectory.org/Search/SearchHome?ReturnUrl=%2f

Goodman HVAC:  https://www.goodmanmfg.com/

Amana HVAC:  https://www.amana-hac.com/

American Standard HVAC:  https://www.americanstandardair.com/

ACCA Sample Manual J:  https://www.acca.org/HigherLogic/System/DownloadDocumentFile.ashx?DocumentFileKey=4165a9b7-f229-421d-b20e-718cc83286df

Heat Load USA was created to serve HVAC contractors, architects, engineers all over the USA. 

 We have on staff a civil engineer, a mechanical engineer and a NJ licensed HVAC master contractor.  This by the way is what we do for a living in NJ.  We are a home performance contractor, doing energy audits, HVAC, insulation and more. 

ACCA Manual D

HVAC Load Calculation

Manual D Calculation

Manual D Calculation

Manual J Calculation

About Us - Manual J Calculation + More

 - Heat Load USA  Building Scienes LLC


Founded: 2008

Owner: Rashid Burney


Areas of expertise:  Business, Construction, HVAC, Heat Load 

Call Us:  973-544-6800