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Serving Santa Clarita + 20 miles and Orange County from Tustin to San Clemente

Cooling

AC, heat pump, ductless mini-split and rooftop unit repair, installation and maintenance.

25+ yearsserving SCV and OC homes
LicensedCSLB C-20 #1044922
Same dayavailability in most cases
Upfront pricewritten, before work

Cooling

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AC Repair

AC Repair

Same-day diagnostics for units that will not cool, will not start, leak or keep shutting off.

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AC Installation & Replacement

AC Installation & Replacement

Right-sized, permitted, efficient systems installed by our own crew, not subcontractors.

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Ductless Mini-Split Installation

Ductless Mini-Split Installation

Quiet, efficient heating and cooling for rooms without ducts: additions, garages, bedrooms.

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Heat Pump Installation

Heat Pump Installation

One system for cooling and heating. Repair, replacement and conversion from gas furnaces.

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Rooftop Package Unit Repair

Rooftop Package Unit Repair

Repair and replacement of rooftop and ground package units and gas packs.

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Ductless Mini-Split Repair

Ductless Mini-Split Repair

Blinking lights, error codes, weak cooling or heating, water dripping from the indoor head.

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Heat Pump Repair

Heat Pump Repair

Cold air in heat mode, icing up, running nonstop, strange noises. All brands.

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Rooftop Package Unit Installation

Rooftop Package Unit Installation

New rooftop and ground package units and gas packs, sized, permitted and installed.

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Refrigerant Leak Detection & Repair

Refrigerant Leak Detection & Repair

AC low on refrigerant? We find the leak, fix it and charge the system correctly.

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Evaporator & Condenser Coil Replacement

Evaporator & Condenser Coil Replacement

Leaking or corroded coils replaced, cleaned or repaired, with a proper charge afterwards.

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AC Tune-Up

AC Tune-Up

Spring check that catches weak capacitors, dirty coils and drain clogs before summer.

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Zoning Systems

Zoning Systems

Separate temperatures for upstairs and downstairs with dampers and multiple thermostats.

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Ductwork Installation & Repair

Ductwork Installation & Repair

Crushed, leaky or undersized ducts repaired, sealed or replaced.

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Smart Thermostats

Smart Thermostats

Thermostat repair, replacement and smart thermostat setup that actually works with your system.

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Cooling

When the AC quits in a Santa Clarita heat wave, you need someone who shows up the same day and fixes it right. WY&G repairs and installs central air, heat pumps, ductless mini-splits and rooftop package units of every major brand. Every job starts with a full diagnostic and a written price, and most repairs are finished on the first visit because common parts ride on the truck.

Troubleshooting

Cooling: common problems, explained

Troubleshooting

AC Blowing Warm Air? 7 Causes and What to Do

An AC that blows warm air is most often caused by a wrong thermostat setting, a clogged air filter, a tripped breaker for the outdoor unit, or a dirty outdoor coil. If those check out, the likely cause is a failed capacitor or contactor, or a refrigerant leak, and those need a licensed technician.

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Troubleshooting

AC Frozen? Ice on the Lines or Coil: Causes and Fixes

An AC freezes when the indoor coil gets too cold, usually from low airflow (dirty filter, closed vents, weak blower) or low refrigerant from a leak. Turn cooling off and run only the fan to thaw it, replace the filter, and if it freezes again, call a technician to check airflow and refrigerant.

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Troubleshooting

AC Leaking Water Inside the House? Causes and Fixes

An AC leaking water indoors is usually caused by a clogged condensate drain line, a cracked or rusted drain pan, or a frozen coil that is melting. Turn the system off, check the drain line and float switch, and call a technician if the pan is damaged or the leak continues.

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Troubleshooting

AC Not Turning On? 6 Causes and Easy Checks

When an AC will not turn on, start with the thermostat (mode, setpoint, batteries), then the breakers, the outdoor disconnect, and the condensate float switch. If power and settings are fine and nothing starts, the problem is likely a failed control board, transformer, capacitor, or contactor, which a technician should test.

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Troubleshooting

AC Outdoor Unit Humming but Fan Not Spinning? Causes

When the outdoor unit hums but the fan does not spin, the most likely cause is a failed run capacitor, followed by a seized fan motor or a stuck contactor. Turn the AC off right away to protect the compressor, clear any debris, and call a technician, because capacitors hold a dangerous charge even with the power off.

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Troubleshooting

AC Runs Constantly but House Stays Hot? 7 Reasons

An AC that runs all day without reaching the setpoint is usually short on airflow (dirty filter or coil), losing cold air through leaky ducts, low on refrigerant from a leak, or simply too small for the heat load. On very hot days some long run time is normal, but if it never catches up in mild weather, have it checked.

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Troubleshooting

Heat Pump Blowing Cold Air in Heat Mode? Causes

A heat pump that blows cool air in heat mode may simply be in defrost mode, which is normal and lasts a few minutes. If it blows cold air for a long time, check the thermostat mode and filter, then call a technician for possible reversing valve, defrost control, or refrigerant leak problems.

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Troubleshooting

Mini Split Blinking Light or Not Cooling? What It Means

A blinking light on a mini split is usually an error code, a filter reminder, or a sign the unit is in defrost or startup. Count the blinks, check the remote mode and the filters, and power cycle the unit at the breaker once. If the light keeps blinking or it still will not cool, a technician should read the code and test the system.

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Troubleshooting

AC Making Noise? Buzzing, Banging or Squealing Explained

Most AC noises point to a specific part. Buzzing often means an electrical problem like a failing capacitor or contactor, banging or clanking means something is loose or broken inside, and squealing usually comes from a motor or blower. Turn the system off for loud banging, grinding, or buzzing with no fan movement, and call a technician.

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All troubleshooting guides

Stages

A step-by-step process that saves you time and stress

Simple, clear and on your schedule.

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Stage 1

01

Request

You call or send a request. We confirm the problem and set a time, usually the same day.

Stage 2

02

On-site visit

The technician tests the system: electrical, refrigerant or gas, airflow and drain.

Stage 3

03

Written estimate

You get a written diagnosis and price before any work starts.

Stage 4

04

Service

We repair with quality parts and keep the work area clean.

Stage 5

05

Support

We test performance, explain what we found and how to avoid it next time.

FAQ

Frequently asked questions

Do you repair all AC brands?+

Yes: Carrier, Trane, Lennox, Goodman, Rheem, Daikin, Mitsubishi, York, Bryant, American Standard and more.

How fast can you come out?+

Same day in most cases across Santa Clarita + 20 miles and Orange County from Tustin to San Clemente.

Should I repair or replace my AC?+

Under about 12 years old with a small failure, repair usually wins. We give you both prices in writing.

Do you install new systems?+

Yes, with a load calculation, duct check and permit on every installation.

Brands

We repair and install every major brand

CarrierTraneLennoxGoodmanRheemDaikinMitsubishi ElectricBryantAmerican StandardFujitsuLGBosch

Also York, Amana, Ruud, Payne, Day & Night, Samsung and more.

Reviews

Reviews from our customers

M
Muhammad Kamran A.

WY&G is very reliable and professional. They were assigned by the warranty company and did excellent work. Same day fixed the problem and finished the work. Strongly recommends WY&G Inc for all AC repair or regular maintenance work for HVAC.

Canyon Country, CA
N
Nadin P.

We’re very happy with WY&G services. We had our old heater & AC replaced in our unit. The tech guys are professional and provide high quality services. Definitely recommend if you want to upgrade your system. The crew worked smoothly and cleaned up after work.

Studio City, CA
P
Phil L.

I don’t have enough good things to say about WY&G. They are professional, fast, and do quality work. I had a lengthy issue that required working with a home warranty and manufacturer’s warranty that WY&G was able to help me resolve. They are great with communicating and always called me back promptly. I will definitely be using them again.

Sherman Oaks, CA

All reviews

Licensed, insured C-20 HVAC contractor

All major brands

Our own team, no middlemen

Written price before work begins

Help with home warranty claims

Support after every repair and install

Consultation

Get a free quote and consultation

Send a quick request and we will call you back fast.

  • A clear written estimate
  • Help choosing the right system
  • Straight answers to your questions
Call me back in 30 sec

Mon-Sat 8 AM to 6 PM our assistant calls right away. After hours, the office calls you in the morning.

No pressure. No hidden conditions.
WY&G Mercedes Sprinter service van
Call me back in 30 sec
Call me back in 30 sec

Mon-Sat 8 AM to 6 PM our assistant calls right away. After hours, the office calls you in the morning.

(323) 240-2373