HVAC Components We Repair & Replace, Georgetown TX
Motors & Fans
Diagnose and repair indoor blower motor failures, bearing wear, winding failure, and capacitor issues.
Replace failed indoor blower motors, we stock common motors for Carrier, Trane, Lennox, Goodman, and Rheem.
Lubricate blower motor bearings before they fail, catches motors that squeal before they burn out.
Clean blower wheels coated with dust and debris that reduce airflow and strain the motor.
Repair or replace condenser fan motors, outdoor fan failure causes compressor overheating on Georgetown's 100°F days.
Diagnose and repair outdoor condenser fan motor failures, common cause of AC shutdown in peak summer heat.
Replace cracked, bent, or imbalanced outdoor fan blades causing vibration and motor strain.
Capacitors & Contactors
The #1 Georgetown summer repair. Capacitors overheat and fail in sustained 100°F+ heat, fast, affordable fix.
Test capacitors before replacing, an out-of-spec capacitor causes the same symptoms as a failed compressor.
Replace failed run capacitors on compressors and fan motors, the most common summer AC component failure.
Replace start capacitors that provide the extra torque needed to start compressors on hot days.
Install hard start kits on aging compressors to reduce starting current and extend compressor life.
Replace pitted or failed contactors, the relay that connects power to the compressor and condenser fan.
Replace AC contactors with pitted contacts that cause intermittent power to compressor and outdoor fan.
Compressor Service
Diagnose compressor failures, not every compressor problem requires replacement. We test before recommending replacement.
Compressor replacement with full circuit flush, filter drier, evacuation, and recharge, done correctly to protect the new compressor.
Replace discharge mufflers that reduce compressor noise and protect the refrigerant circuit.
Install crankcase heaters to prevent refrigerant migration into compressor oil during cold Texas nights.
Replace failed high-pressure safety switches that protect compressors from dangerously high discharge pressure.
Replace low-pressure safety switches that prevent compressor damage from loss of refrigerant charge.
Furnace Components
Replace failed high-limit switches that shut furnaces down on overheating, essential safety component.
Replace faulty furnace control boards, we test all connected components first to confirm the board is the failure.
Repair or replace fan control switches that govern blower timing in older furnaces without electronic control boards.
Replace fragile silicon carbide or silicon nitride ignitors, the #1 furnace no-heat repair in Georgetown.
Replace or clean flame sensors that fail to detect the burner flame, causing furnace lockout.
Replace failed gas valves that prevent gas flow to burners, verified diagnosis before replacement.
Replace thermocouples on older standing pilot furnaces that fail to keep the pilot lit.
Replace tripped rollout switches, but also diagnose why flames rolled out, as this indicates a serious underlying condition.
Replace failed draft inducer motors in 80%+ efficiency furnaces, failure causes pressure switch trips and no-heat conditions.
Replace failed heating elements in electric furnaces, test all elements and sequencers before partial replacement.
Replace failed sequencers that stagger heating element startup to prevent circuit overload.
Replace cracked or blocked pilot tubing on older standing pilot furnaces and boilers.
Repair standing pilot assembly issues on older furnaces, thermocouple, pilot orifice, and gas valve.
Replace corroded or leaking main gas shutoff valves at HVAC equipment.
Outdoor Unit & Noise Components
Install compressor sound blankets to reduce outdoor unit noise, particularly useful in Georgetown's zero-lot-line neighborhoods.
Replace deteriorated equipment pads and isolation mounts that transmit vibration through slabs and walls.
Protecting the Compressor From Excessive Discharge Pressure
The high-pressure switch is a safety device installed on the discharge line of the refrigerant circuit, and it's designed to open and shut down the compressor if discharge pressure climbs above a threshold that would risk damaging the compressor or, in an extreme case, rupturing a line or component. Depending on refrigerant type, that trip threshold is often somewhere in the range of 400 to 650 PSI, set according to the specific refrigerant and compressor manufacturer's specification.
High discharge pressure has a fairly short list of common root causes, and diagnosing which one applies matters far more than simply replacing the switch. A dirty or physically obstructed outdoor condenser coil is probably the single most common cause we find, restricted airflow across the coil means the system can't reject heat effectively, and pressure backs up on the discharge side. A failed condenser fan motor produces the same effect through a different path, no airflow at all across the coil. An overcharged refrigerant system, whether from a prior service error or an add of refrigerant that was never actually needed, also drives pressure up, as can non-condensable gases like air trapped in the system from an improper evacuation during a prior repair.
We diagnose high-pressure trips by first inspecting and cleaning the condenser coil if it's dirty, verifying condenser fan operation, and checking the refrigerant charge against manufacturer specification using superheat and subcooling measurements rather than just gauge pressure alone, since correct charge verification requires that fuller picture. Only after confirming the actual system operating conditions are otherwise normal do we look at the switch itself as the potential failed component, a switch that's tripping prematurely, at a lower pressure than its rated setpoint, or one that's failed to trip at all despite genuinely excessive pressure, which is actually the more dangerous failure mode.
Replacement matches the switch's exact trip pressure rating and connection type to the original, since installing a switch with an incorrect trip setting either leaves the compressor under-protected or causes unnecessary nuisance shutdowns that don't reflect any actual problem with the refrigerant circuit.
Frequently Asked Questions, High Pressure Switch Replacement
Need a Component Diagnosed or Replaced?
We test before we replace. Most parts are on the truck for same-day service.