--:-- Licensed HVAC Contractor · CSLB C-20 #1044922
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Serving Santa Clarita + 20 miles and Orange County from Tustin to San Clemente

Smart Thermostats in Santa Clarita & Surrounding Areas

Thermostat installation and troubleshooting, including communicating and heat pump systems.

What we offer

What is included

01

Thermostat diagnostics

02

Smart thermostat installation

03

C-wire and power fixes

04

Heat pump and multi-stage setup

05

Zoning thermostats

06

App setup

Before you call

Quick checks you can do yourself

  1. Set the thermostat to Cool, lower the setpoint below room temperature, and replace the batteries.
  2. Check the main electrical panel for tripped AC or furnace breakers. Reset once only.
  3. Check that the outdoor disconnect is On and that the switch near the furnace or air handler (it looks like a light switch) is On.
  4. Look at the condensate drain pan and float switch. If water is backed up, clear it before expecting the system to start.
  5. Make sure the furnace or air handler panel door is fully closed so the door switch is pressed.
  6. After any reset, wait 5 to 10 minutes. Many systems have a built-in delay.

Still not working? Call (323) 240-2373 or tap "Call me back". Do not open electrical panels or touch gas parts.

Troubleshooting guides

Common problems, explained

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.

Read the guide

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.

Read the guide

Troubleshooting

AC Short Cycling? Turns On and Off Every Few Minutes

An AC that turns on and off every few minutes is short cycling. Common causes are a thermostat in a bad spot, a clogged filter, a frozen coil, a tripped float switch, an oversized system, or an electrical or refrigerant problem. Check the thermostat and filter first. If it keeps cycling, have a technician test it, because short cycling wears out the compressor.

Read the guide

Troubleshooting

Thermostat Blank or Not Responding? Causes and Fixes

A blank thermostat usually has dead batteries, lost power from a tripped breaker or switch, or was shut off by a tripped condensate float switch. It can also be a blown fuse on the control board or a failed transformer. Replace the batteries and check breakers and the float switch first. If it is still blank, a technician should test the low voltage power.

Read the guide

Troubleshooting

High Electric Bill in Summer? Why Your AC Runs Too Much

A high summer electric bill usually means the AC is running longer than it should. Common causes are a dirty filter or coils, leaky ducts in a hot attic, a low setpoint, poor attic insulation, a refrigerant leak, or an old, inefficient system. Start with the filter, thermostat schedule, and outdoor coil, and have the system checked if run time is still high.

Read the guide

Smart Thermostats in Santa Clarita & Orange County

WY&G, Inc. provides smart thermostats for homes and light commercial buildings in Santa Clarita, Valencia, Saugus, Canyon Country, Newhall, Stevenson Ranch, Castaic and the north San Fernando Valley, and across Orange County from Tustin and Irvine to San Clemente. Thermostat repair, replacement and smart thermostat setup that actually works with your system. Every visit starts with a diagnostic and a written price, and our licensed technicians (CSLB C-20 #1044922) explain what they found in plain language.

Smart Thermostats by city

Stages

Smart Thermostats: how installation works, step by step

Simple, clear and on your schedule.

Submit a request

Stage 1

01

Request

Free in-home consultation: we look at the home, the ducts and how you use each room.

Stage 2

02

On-site visit

Load calculation and a written proposal with options, not a guess by square footage.

Stage 3

03

Written estimate

You choose the system. We order equipment and pull the permit.

Stage 4

04

Service

Installation by our own crew, clean and to code, usually in one to two days.

Stage 5

05

Support

Startup, testing, city or county inspection and a walkthrough of the new system.

Tip

When it makes sense to upgrade

Blank screen

Batteries, a tripped float switch or a blown fuse.

Says cooling, nothing happens

Could be wiring or the equipment itself.

Wrong temperature

Location or a failing sensor.

Want Wi-Fi control

We make sure it is compatible first.

Pro tip

A smart thermostat on the wrong settings can make a heat pump run on expensive backup heat. We set it up correctly.

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

FAQ

Frequently asked questions

Will a smart thermostat work with my system?+

Most do. We check the wiring first.

Can you fix a thermostat I installed?+

Yes.

Do you install multiple thermostats?+

Yes, for zoned homes.

Do I need a C-wire?+

Most smart thermostats do. We can add one.

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