Heat-Load USA

Design HVAC - Design Air Conditioning - Design of Air conditioning systems

- 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 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

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‚Äč

About Us - Manual J Calculation + More

Building Scienes LLC


Founded: 2008

Owner: Rashid Burney


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

Call Us:  973-544-6800