CAPACITOR — STARTS AND RUNS YOUR A/C SYSTEM

CAPACITOR — STARTS AND RUNS YOUR A/C SYSTEM

Your A/C capacitor stores and releases electrical energy to help start and run the compressor, condenser fan motor, and blower motor.

✔ Helps compressor start properly
✔ Powers fan motors efficiently
✔ Supports reliable cooling
✔ Reduces strain during startup
✔ Important for daily operation

⚠️ A weak or failed capacitor can cause no cooling, humming sounds, hard starts, or system shutdown.

Common signs:
• Outdoor unit not starting
• Humming noise from unit
• Fan not spinning
• Warm air from vents
• System struggles to start
• Breaker trips or random shutdowns

Heat, age, voltage issues, and constant summer use can shorten capacitor life.

Regular maintenance helps test capacitor strength before failure.

Small part, big power — don’t ignore your A/C capacitor.

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CONDENSER COIL — RELEASES THE HEAT FROM YOUR HOME

CONDENSER COIL — RELEASES THE HEAT FROM YOUR HOME

Your A/C condenser coil is located in the outdoor unit and helps remove heat from inside your home so the system can cool properly.

✔ Releases heat efficiently
✔ Helps lower operating pressure
✔ Improves cooling performance
✔ Supports energy efficiency
✔ Important for compressor protection

⚠️ A dirty or blocked condenser coil can cause high pressure, weak cooling, longer run times, and costly breakdowns.

Common signs:
• Warm air from vents
• Outdoor unit running hot
• High electric bills
• System runs too long
• Frequent shutdowns
• Reduced cooling during hot days

Grass, dirt, cottonwood, leaves, and debris can block airflow through the coil.

Regular maintenance includes cleaning the condenser coil to keep your system efficient and reliable.

Clean coil, cool home — don’t ignore your condenser coil.

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LOW-PRESSURE SWITCH — PROTECTS YOUR A/C SYSTEM

LOW-PRESSURE SWITCH — PROTECTS YOUR A/C SYSTEM

Your A/C low-pressure switch is a safety device that monitors refrigerant pressure and helps protect the compressor when pressure drops too low.

✔ Protects compressor from damage
✔ Helps detect low refrigerant conditions
✔ Shuts system off when pressure is unsafe
✔ Supports efficient cooling operation
✔ Important for system reliability

⚠️ If this switch trips often or fails, your A/C may stop cooling, short cycle, or run improperly.

Common signs:
• Outdoor unit not running
• Warm air from vents
• System turns on and off often
• Frozen evaporator coil
• Low refrigerant issues
• Intermittent cooling

Low pressure problems can be caused by refrigerant leaks, airflow restrictions, dirty coils, clogged filters, or metering device issues.

Regular maintenance helps keep pressures balanced and safety controls working properly.

Small switch, major protection — don’t ignore low-pressure issues.

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A/C MAINTENANCE — PROTECT YOUR COMFORT

A/C MAINTENANCE — PROTECT YOUR COMFORT

Regular maintenance keeps your A/C running efficiently, helps prevent breakdowns, and extends the life of your system.

✔ Improve cooling performance
✔ Lower energy bills
✔ Prevent unexpected breakdowns
✔ Extend equipment life
✔ Catch small problems early
✔ Improve indoor comfort

⚠️ Skipping maintenance can lead to dirty coils, drain clogs, weak airflow, higher bills, and expensive repairs.

Common signs your system needs service:
• Weak airflow
• Warm air from vents
• Water leaks
• Strange noises
• Long run times
• Rising electric bills

A professional tune-up includes inspecting electrical parts, checking refrigerant levels, cleaning coils, clearing drains, and verifying overall system performance.

Maintenance today can prevent repairs tomorrow.

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CONTACTOR — STARTS YOUR A/C SYSTEM

CONTACTOR — STARTS YOUR A/C SYSTEM

Your A/C contactor is an electrical switch that sends power to the compressor and condenser fan when your thermostat calls for cooling.

✔ Turns outdoor unit on and off
✔ Sends power to compressor
✔ Powers condenser fan motor
✔ Important for reliable cooling
✔ Essential for daily system operation

⚠️ A worn or damaged contactor can cause no cooling, buzzing noises, stuck contacts, or system failure.

Common signs:
• Outdoor unit not starting
• Clicking or buzzing sounds
• A/C runs constantly
• Intermittent cooling
• Burned or pitted contacts
• System shuts off unexpectedly

Heat, insects, age, and electrical wear can shorten contactor life.

Regular maintenance helps inspect contacts before failure.

Small part, big job — don’t ignore your A/C contactor.

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CONTROL BOARD — THE BRAIN OF YOUR A/C SYSTEM

CONTROL BOARD — THE BRAIN OF YOUR A/C SYSTEM

Your A/C control board manages communication between components and helps your system start, run, and shut down correctly.

✔ Controls system operations
✔ Sends signals to motors and compressor
✔ Helps thermostat communication
✔ Supports safe startup and shutdown
✔ Essential for reliable cooling

⚠️ A failing control board can cause no cooling, blower issues, short cycling, or system shutdown.

Common signs:
• A/C not turning on
• Fan runs constantly
• Outdoor unit not starting
• Intermittent cooling
• Burn marks or electrical smell
• Error codes or random shutdowns

Power surges, moisture, age, or loose wiring can damage the board.

Regular maintenance helps inspect wiring and protect sensitive electronics.

Small board, big control — don’t ignore control board problems.

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HIGH PRESSURE SWITCH — PROTECTS YOUR A/C SYSTEM

HIGH PRESSURE SWITCH — PROTECTS YOUR A/C SYSTEM

Your A/C high pressure switch is a safety device that monitors refrigerant pressure and helps protect the compressor from dangerous operating conditions.

✔ Protects compressor from damage
✔ Shuts system off if pressure gets too high
✔ Helps prevent overheating
✔ Supports safe system operation
✔ Important for long equipment life

⚠️ If this switch fails or trips often, your A/C may stop cooling or shut down unexpectedly.

Common signs:
• Outdoor unit not running
• System turns off suddenly
• Warm air from vents
• Short cycling
• High head pressure issues
• Frequent reset calls

High pressure problems can be caused by dirty condenser coils, fan issues, overcharge, airflow restriction, or blocked coils.

Regular maintenance helps keep pressures normal and the switch working properly.

Small switch, major protection — don’t ignore high pressure issues.

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HOUSTON, TX — DON’T WAIT TO REPAIR YOUR A/C

HOUSTON, TX — DON’T WAIT TO REPAIR YOUR A/C

In Houston heat, your A/C isn’t optional — it’s essential. Repairing issues early keeps your home comfortable and avoids bigger problems later.

✔ Fast relief from the heat
✔ Prevent costly breakdowns
✔ Improve energy efficiency
✔ Extend system life
✔ Avoid emergency repairs

⚠️ Small issues can quickly turn into major failures during peak summer.

Common signs you need repair:
• Warm air from vents
• Weak airflow
• Strange noises
• Water leaks
• High electric bills
• System cycling on and off

In Houston, TX, quick A/C repairs mean staying cool when it matters most.

Stay ahead of the heat — schedule your A/C repair today.

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REFRIGERANT SERVICE VALVES — KEY ACCESS TO YOUR A/C SYSTEM

REFRIGERANT SERVICE VALVES — KEY ACCESS TO YOUR A/C SYSTEM

Your A/C refrigerant service valves allow technicians to check pressures, add refrigerant, recover refrigerant, and properly service the system.

✔ Used for diagnostics and repairs
✔ Helps check refrigerant pressures
✔ Important for charging the system
✔ Supports maintenance and leak checks
✔ Essential for professional service access

⚠️ Damaged or leaking service valves can cause refrigerant loss, poor cooling, and expensive repairs.

Common signs:
• Oily residue around valves
• Weak cooling performance
• Low refrigerant charge
• Hissing sounds near outdoor unit
• System freezing up
• Higher energy bills

Regular maintenance helps inspect caps, cores, and seals to prevent leaks.

Small valves, big role — don’t ignore refrigerant service valves.

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ELECTRICAL DISCONNECT — SAFETY FOR YOUR A/C SYSTEM

ELECTRICAL DISCONNECT — SAFETY FOR YOUR A/C SYSTEM

Your A/C electrical disconnect is the power shutoff located near the outdoor unit. It allows safe servicing and helps protect your system during maintenance or repairs.

✔ Safe way to shut power off to unit
✔ Important for technician servicing
✔ Helps with maintenance and repairs
✔ Supports proper electrical safety
✔ Required on many installations

⚠️ A damaged, loose, or worn disconnect can cause power issues, system failure, or unsafe conditions.
Common signs:

• Unit not turning on
• Burn marks or melted parts
• Loose handle or pullout
• Intermittent power loss
• Buzzing sounds near disconnect
• Corrosion or weather damage

Regular inspections help keep the disconnect secure and operating properly.

Small box, big protection — don’t ignore your A/C disconnect.

Uptown Heating and Air Conditioning ❄️

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