Manual N


Commercial Heat Load Services


Professionally Prepared For You


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


Call/Text us today: 973-544-6800 


or email us: Info@HeatLoadUSA.com


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When a load calculation is done for a residential property it is known as a Manual J.  When it is done for a commercial property - like a church or office, it is known as a Manual N and we need more information from you, for a commercial load calculation.  


Information like how many occupants by hour and by day? What machines, stoves, refrigerators, freezers, cooking appliances, motors, computers, printers and ...... lighting in the building.  Often the owner many not know, and we then have to take an educated guess. But the more accurate information you can provide us, the more accurate your load calculation will be.   


We provide Manual N services for clients all over the US. Most of our customers are architects, engineers, contractors and business owners. 


Our reports are ACCA Manual N compliant and that means they are accepted nationwide for sizing of your heating and cooling needs of a business.  



NEXT Day Service:  For those in a hurry, we provide NEXT-Day service.  Our normal service time is four business days. 



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




Questions?

Call/Text Us:  973-544-6800

Email us:  info@HeatLoadUSA.com




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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