Residential Heat Load Calculator

Additional Details

Variations in characteristics of residences can lead to complex load calculations where time-varying heat flows combine to produce time-varying loads. Further, the relative magnitude & pattern of heat flows depend on building characteristics & exposure that results in a building-specific load profile. For this, it is very essential to maintain hour-by hour analysis to determine that profile & find its peak.

Residential Heat Load Calculator software tool helps in meeting cooling load calculation procedures for residential buildings. This includes detailed heat-balance methods that serve as basis for cooling-load calculations. The cooling procedures in the tool are also extensively revised and based on the results of ASHRAE research project RP-1199. The computing power delivered by our software also makes it appropriate to promulgate 24 h, equation-based procedures.

General Design Guidelines for Software tool:

Designed for Typical Building Use:

This tool is designed to meet representative maximum-load conditions and not extreme conditions

Normal occupancy is assumed and not the maximum that might occur during an occasional social function

Intermittently operated ventilation fans are assumed to be off

Uncertainty and Safety Allowances:

Residential load calculations are inherently approximate

Many building characteristics are estimated during design & ultimately determined by construction quality and occupant behaviour

These uncertainties apply to all calculation methods and the safety allowances are applied to the final calculated loads

In addition, the incorporation of temperature swing also provides a built-in safety factor for sensible cooling

A 20% capacity shortfall also typically results in temperature excursion of about one or two degrees.