Heat-Load USA

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- load calculation - Manual N - Commercial load calculation = HVAC ENGINEERS - HVAC CONSULTANTS

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Manual N

Professionally Prepared For You

Manual N is the heat load calculations for a non-residential or commercial buildings.

Call us today: 973-544-6800 

or email us: Info@HeatLoadUSA.com


We can prepare Manual N reports for the following types of buildings:

  • Churches
  • Restaurants, cafeterias, diners and fast-food chain stores
  • Banquet Halls
  • Schools from Kinder garden to high school 
  • Retailers: small ma-pa shops, supermarkets to big-box retailers
  • Office buildings
  • Banks
  • Gyms 
  • Government buildings like city-hall buildings

Other non-residential buildings.  The physics of heat loss remain the same as in residential but the use varies significantly.  These activities and occupancy can significantly shift the cooling loads up and heating loads down.

Our reports are guaranteed to be: 

  • Accepted by your building department or your money back                              (certain restrictions apply)

  • Accurate and applicable to the building needs.  Heat Load USA  can do your commercial heat load calculations for you. Our reports utilize the Manual N or ASHRAE RTS method. 

  • Reports take 4 business days & are sent to you via email in PDF format.

What We Need In Order To Prepare Your Manual N

  1. Floor Plan

  2. Estimate business occupancy by hour (how many people in the business by hour)

  3. Electrical lighting load (display lighting etc)

  4. Electrical equipment (computers, machines, motors, refrigerators, freezers etc)

  5. Coverage area and location of each HVAC system

  6. Insulation levels of building


Call Us:  973-544-6800

Email us:  info@HeatLoadUSA.com