Purified Air Heating and Air Conditioning
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Thermostat Repair in Sherman Oaks, CA

When you walk into your home or office and set the temperature, you probably don’t think much about what happens next. You push a button, turn a dial, or tap an app, and then - like magic - the heating or cooling kicks in. But there’s no magic at all. It's just science.

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Purified Air technicians servicing an outdoor AC unit

Thermostat Repair in Sherman Oaks, CA

When you walk into your home or office and set the temperature, you probably don’t think much about what happens next. You push a button, turn a dial, or tap an app, and then - like magic - the heating or cooling kicks in. But there’s no magic at all. It's just science.

Technician testing a Lennox air conditioner

The Role of the Thermostat

Here’s something most people don’t realize: many HVAC issues aren’t caused by the furnace or air conditioner itself. Instead, other parts like the thermostat is often the guilty party. When the thermostat fails, for example, your system might not turn on, might run constantly, or might heat or cool unevenly.
The good news is that these issues don’t always mean a major breakdown. Sometimes, it’s as simple as recalibrating or fixing the thermostat. A professional HVAC company like Purified Air can help determine whether a repair or a replacement is the smarter move.

Common Thermostat Problems

The thermostat is an advanced piece of tech. So, how do you know when something’s wrong? Let’s break down a few common issues to recognize:
Many times, a thermostat repair will have you back on schedule but a replacement could be due. In any case, the pros at Purified Air will make sure it's a lasting fix.

  1. The system won’t start. You set the temperature, but nothing happens.

  2. Constant running. The unit won’t turn off, and constantly consumes energy.

  3. Temperature mismatches. The thermostat says one thing, but the room feels very different.

  4. Unresponsive controls. Buttons or screens don’t respond when pressed.

Repair or Replace?

Current Special

Summer Maintenance

New customers only. Call for more details.

Ready to Get Started?

Call Purified Air Heating and Air Conditioning today or schedule your service online.

626-621-2220

Testimonials

Our Customers Love Our Services

Jhoanna Lara

Purified Air Heating and Air Conditioning did a fantastic job fixing my AC when it wasn’t cooling properly. The technician quickly identified the problem and resolved it efficiently. Great service

Addison

I had a great experience with them. Roman was prompt, honest, and offered fair pricing. They were easy to get in touch with and had my issue resolved day of.

Jose Medrano

During the rain I needed my heater to work. Purified Air came checked and made sure my air was like new running like new. They are reliable, easy to work

Kandice Banville

I recently hired Purified Air Inc. to service my heating and air system, and they exceeded all my expectations! From the moment I contacted them, their team was professional, courteous,

Jose Porras

Purified Air Heating and AC has been amazing with our routine maintenance. They’re always on time, professional, and leave everything running smoothly. I feel confident knowing my system is in

Anthony Moreno

Purified Air installed a new AC unit in my home, and I am extremely impressed with their service. The team was punctual, professional, and very knowledgeable. They completed the installation

Tara Avery

Had a really great experience with Roman (owner). Initially my unit’s issue was misdiagnosed by a tech, which lead to needing a callback. Roman reached out to me personally via

Jocelyn Villanueva

I greatly appreciate the excellent service I received from Purified Air Heating and Air Conditioning. They installed a new HVAC system in my home, and the technicians were very respectful

esme diaz

Purified Air Heating and Air Conditioning installed a new HVAC system in my home, and I couldn’t be happier with the results. They provided a range of financing options that

gabriela gamboa

I called Purified Air Heating and Air Conditioning during a heat wave when my AC stopped working. They were amazing! The technician was friendly, knowledgeable, and fixed the problem quickly.

Jaime Del toro

Very good yob experts. Purified Air did a great job installing our new AC. The team was friendly and worked fast. They made sure everything was working before they left. The

Dulce Ramirez

Purified Air installed a new air conditioning and heating system in my home. The team was professional and knowledgeable, helping me choose the best system. The installation was seamless, and

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