Performance, Balancing & Efficiency Services
Comprehensive performance evaluation, airflow measurement, temperature differential, refrigerant charge verification, and efficiency calculation.
Identify and correct efficiency losses in existing systems, coils, filters, refrigerant, and airflow.
Balance the entire HVAC system, airflow, refrigerant, and electrical, for peak performance.
Adjust system operation to match actual cooling and heating load, prevents short cycling and improves efficiency.
Balance system capacity allocation across zones and operating conditions for consistent comfort.
Optimize temperature control accuracy and response for consistent setpoint maintenance.
Optimize system runtime cycles for efficiency, too short means short cycling, too long means oversized or restricted system.
Correct erratic runtime patterns that indicate system problems reducing efficiency and comfort.
Address intermittent performance degradation and inconsistent operation in otherwise functional systems.
Identify and correct root causes of unstable system operation, hunting, cycling, and inconsistent behavior.
Fine-tune operating parameters for maximum efficiency at Georgetown's typical operating conditions.
Reduce HVAC energy consumption through systematic identification of efficiency losses.
Calibrate system operation for Georgetown's specific climate, extreme summer heat and rapid weather changes.
Correct short cycling, long cycling, and erratic cycling patterns that indicate system problems.
Advanced diagnostic testing of system electrical capacitance, identifies capacitor degradation before failure.
Comprehensive audit of system static pressure, airflow, and equipment operation against design specifications.
Tune system performance for Georgetown's peak summer conditions, 100°F+ days when systems are under maximum stress.
Diagnosing Intermittent Performance Drops
Performance stabilization addresses a specific and frustrating category of HVAC complaint: a system that works fine most of the time but periodically underperforms in ways that are hard to catch and even harder to diagnose from a single visit. This includes systems that cool well in the morning but struggle by late afternoon, systems that perform inconsistently from one day to the next with no obvious pattern, or systems that seem to lose and then regain capacity over the course of a service call.
The most common cause we find is a refrigerant issue that changes behavior with outdoor temperature and system load, such as a small leak slow enough that charge drifts gradually rather than failing outright, or a metering device (TXV or fixed orifice) that isn't responding correctly as conditions change through the day. A TXV that's sticking or has a failing power head can cause superheat to swing outside normal range as head pressure rises during peak afternoon heat, degrading cooling capacity precisely when Georgetown temperatures are highest. Electrical causes are the second most common category: a contactor with pitted contacts, a capacitor that's within tolerance when cold but drifting out of range once it heats up during a long summer run cycle, or a connection that loosens under thermal expansion and contraction.
Because these problems are intermittent, diagnosis requires more than a single point-in-time check. We use data logging equipment to record superheat, subcooling, amp draw, and supply air temperature over an extended run cycle, ideally capturing the system during the conditions when the complaint occurs (typically peak afternoon heat). This lets us see how the system's numbers move as it heats up and stays under sustained load, rather than only seeing a snapshot that may happen to look normal.
Once we've captured the pattern, correction depends on what the data shows: replacing a capacitor that's testing within range cold but degrading under sustained load, replacing a TXV that isn't modulating correctly, repairing a slow refrigerant leak and recharging to the correct weight, or in electrical cases, replacing degrading contacts or connections before they fail completely and leave you without cooling on the hottest day of the year. Because intermittent problems tend to become permanent problems if left unaddressed, stabilizing performance now is generally less expensive than waiting for a full failure during peak season.
Performance Stabilization Questions
High Bills or Inconsistent Comfort?
A performance evaluation finds what's costing you, before it becomes a bigger problem.