
HVAC Load Calculation for Professionals
Get an accurate HVAC load calculation from Allied Mechanical Solutions. We deliver Manual J load calculations to architects, builders, HVAC, and real estate developers. Share your plans, and we will give you the right HVAC system size for better efficiency and comfort.
Get Your HVAC Load Calculation
An HVAC load calculation (Manual J) is essential to design a smart and performant HVAC system. Eliminate the rule-of-thumb from your design and installation with our data-centric method to create a project that meets your clients’ expectations. The Manual J load calculation is a series of calculations established by the Air Conditioning Contractors of America.
Why Is HVAC Load Calculation Essential?
Most HVAC systems are installed without any HVAC calculation, and most installers guess the size based on square footage, which ultimately is detrimental to clients and translates into:
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Costly, oversized, and inadequate equipment
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Uncomfortable hot and cold spots in the house or building
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Higher energy utility bills
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Shorter life cycle of the HVAC system with more frequent service or replacement
Our HVAC load calculation (Manual J) will help avoid these problems and costs your client will have to bear unnecessarily.


HVAC Load Calculation Benefits
An HVAC load calculation (Manual J) will help:
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Get the right-sized equipment and avoid unnecessary costs
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Feel comfortable in any place in the house
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Reduce energy utility bills
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Increase the lifetime of HVAC systems
When HVAC equipment is sized appropriately according to a load calculation, the system runs on short cycles and turns on and off constantly, ultimately increasing your client’s energy bill. Hence, contact our HVAC consultant to start your HVAC load calculation.