Our Calculation Services:


Manual D: Duct Design Service

The Manual D is a complete schematic drawing of the duct system including locations and sizes of trunk-lines, branch ducts, outlet registers, an inlet grilles. Our HVAC team of experts creates a full duct design that ensures system eficiency and adjustment to your residential & commercial project.
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Manual J: Residential Heat Load Calculation

A complete residential calculation used to determine how much heating/cooling a home needs to stay cool and dry during the summer or warm during the winter. Calculation service starts at at just $99.
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Manual N: Comercial Heat Load Calculation

A complete light commercial (15 tons or less) calculation used to determine how much heating/cooling a building needs to stay cool and dry during the summer or warm during the winter. Our HVAC team of experts provides a complete load calculation with fast turn around times.
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Manual S: Equipment Sizing

Certifies that your selected Air Conditioning & Heating equipment meets the criteria previously calculated by the Manual J (Heat Load Calculation) & Manual D (Duct Design). Having a Manual S performed is mandatory in most US states to obtain permits for an air conditioning system installation.
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RESCheck Service: Energy Calculation Service

A RESCheck calculation helps designers, builders, and/or contractors to determine whether new homes, additions, and alterations meet the requirements of the IECC or a number of state energy codes. Our team of experts perform the Title RESCheck Calculation with fast turnaround time for any residential or commercial project.
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Title 24: California Building Standards Code Calculation Service

The State of California uses Title 24 Standards Code  to ensure the energy efficiency of new or remodeled homes & commercial buildings. Our team of experts perform the Title 24 Calculation with fast turnaround time for any residential or commercial project.
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