Air Balancing Analysis
Room-by-room airflow measurement and diagnostic testing for Las Vegas homes and businesses. We measure what others guess.
Air balancing analysis is the diagnostic backbone of every service we provide at Constant Air Balancing & Services. While most HVAC contractors in Las Vegas rely on feel or rule-of-thumb estimates, our NCI-certified technicians use calibrated flow hoods, digital manometers, and temperature sensors to measure exactly how much air is moving through every register, duct run, and return in your system. This is not approximate work — it is precise, repeatable, scientific measurement that produces hard data.
In the Las Vegas desert, where outdoor temperatures regularly exceed 115 degrees during summer, even small airflow imbalances create significant comfort problems. A room receiving 20 percent less air than designed will feel noticeably warmer, while the system works harder to compensate — driving up energy costs and accelerating wear on your equipment. Our diagnostic-first approach identifies these imbalances before recommending any repairs, saving you from unnecessary equipment replacements that other companies are quick to suggest.
With 28 years of hands-on experience, our team has balanced airflow in homes and businesses across Clark County — from single-family homes and two-story tract homes in Summerlin to commercial office buildings, restaurants, data centers, and industrial warehouses. Every analysis follows National Comfort Institute protocols and produces a detailed report documenting airflow at every supply and return register, static pressure readings at key system points, temperature differentials, and specific recommendations for bringing your system into balance.
An air balancing analysis is not the same as an HVAC inspection or maintenance call. It is a comprehensive engineering evaluation of your entire air distribution system. We measure total system airflow at the air handler, compare it to equipment specifications, then test every individual register to identify where air is being over-delivered, under-delivered, or lost through duct leaks. The result is a complete picture of your system performance — not an opinion, but measured data that drives informed decisions.
System Documentation
We begin by documenting your HVAC equipment specifications, ductwork configuration, register locations, and thermostat settings. If original design documents are available, we review them to establish target airflow values for each room.
Total System Airflow Test
Using calibrated instruments at the air handler, we measure total system airflow in CFM and compare it to the equipment rated capacity. This baseline tells us immediately whether the system has upstream restrictions limiting performance.
Register-by-Register Testing
Every supply register and return grille in the building is tested individually with a calibrated flow hood. We document the actual CFM at each location and calculate the deviation from design requirements.
Static Pressure Mapping
We measure static pressure at the supply plenum, return plenum, across the filter, and across the evaporator coil. High pressure readings indicate restrictions that steal airflow before it reaches your rooms.
Data Analysis and Report
All measurements are compiled into a comprehensive report showing room-by-room airflow data, pressure readings, temperature differentials, and specific recommendations for achieving optimal balance throughout your system.
NCI-Certified Accuracy
Our flow hoods and manometers are calibrated to NCI standards. Every measurement is precise, repeatable, and documented — not estimated or approximated.
Desert Climate Expertise
Las Vegas HVAC systems face extreme thermal loads that amplify imbalances. We understand how desert conditions affect duct performance and airflow distribution.
Diagnostic Before Sales
We measure first, recommend second. Our analysis identifies the real problem — which may be a simple damper adjustment, not the $8,000 system replacement another company quoted you.
Still have questions? Contact us directly or call (702) 840-5163 — we are happy to help.