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Avatar for Worlock Mechanical Contractor, LLC
Worlock Mechanical Contractor, LLC
4.7(
293
)

Serving Glendale, AZ and surrounding areas

Approved

Super Service Award Winner

In business since 1987

Free estimates

Emergency services offered

"Bill Worlock and his crew did a remarkable job on the install of a new AC at our home. Contracted with Worlock Air Conditioning on a Wednesday late afternoon and had a new AC installed before noon on Friday. Fast, reliable and very professionally done. Five stars without question."
Goodman 4 ton
Rooftop Goodman hVAC
Vertical gas split system
Rooftop unit
New elbow and stand

+33

Response time7 hrs
Response rate100%
104 neighbors recently requested a quote
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Avatar for Airpex Cooling, Healting, & Plumbing, Inc.
Airpex Cooling, Healting, & Plumbing, Inc.
4.7(
45
)

Serving Glendale, AZ and surrounding areas

Approved

In business since 2008

Free estimates

Credit card accepted

"I have used them for other plumbing issues and an central air conditioner repair. I am very happy with the work."
new water heater
new water heater
new water heater
new water heater
new unit instell

+91

Response time10 mins
Response rate100%
Recommended by100%of homeowners
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Avatar for Sinclair Air, LLC
Sinclair Air, LLC
5.0(
84
)

Serving Glendale, AZ and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"I have use this company for many years now.i rate this company a 10. They are so honest and true.i trust this company so much.they are fantastic and honest. And I will keep using this company ya see I have a old unit and somehow he makes it work again .but now my unit is on his last leg so I'm going get another one threw this company they are honest not like some of the others out there. Choose Sinclair air you will not be disappointed"
Response time4 hrs
Response rate100%
Recommended by71%of homeowners
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Avatar for Air & Water Mechanical Services, LLC
Air & Water Mechanical Services, LLC
4.6(
101
)

Serving Glendale, AZ and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Air Factor is the most professional and responsive AC contractor I have ever seen. I would gladly recommend them to anyone."
Basha's Center
Indoor Air Handler
Crane moving an A/C
Crane time!
Roof view

+5

Response time7 hrs
Response rate100%
35 neighbors recently requested a quote
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Avatar for Authentic Cooling & Plumbing, LLC
Authentic Cooling & Plumbing, LLC
4.9(
108
)

Serving Glendale, AZ and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Customers say: Quick response

"Authentic Cooling & Plumbing did an incredible job of installation of my split ac unit for me. Sergio is very friendly and knowledgeable of what needs to be done. I would highly recommend him for any AC or plumbing job you may have. Thanks again Sergio."
New Window Unit
New Window Unit
Old Window Unit
Old Window Unit
Mini Split Unit

+41

Response time2 days
14 neighbors recently requested a quote
Recommended by94%of homeowners
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Avatar for Oasis Air, LLC
Oasis Air, LLC
4.5(
965
)

Serving Glendale, AZ and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"Our air conditioning stopped working so we called Absolute Comfort. They had an appointment available the same day which was great! Rob Tavolacci from Absolute Comfort fixed our unit after a few hiccups with the our furnace not working. He was very professional, friendly, explained what the problems were and gave us advice on fixing it. Would definitely recommend! Thank you!"
Rooftop Installation
Rooftop Installation
Rooftop Installation
Capacitor Swap
No Cool Diagnosis

+8

Response time2 hrs
Response rate94%
249 neighbors recently requested a quote
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Avatar for Varsity Zone HVAC of Scottsdale
Varsity Zone HVAC of Scottsdale
5.0(
11
)

Serving Glendale, AZ and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Had some trouble with my AC and Jay came out and did an excellent job diagnosing what exactly was wrong, explaining all the information and options. Great work all around."
4 Unit Install
Scottsdale Mini-Split
Package Heat Pump
Mini-Split Install
New Install Work

+1

Response time4 hrs
27 neighbors recently requested a quote
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Avatar for Emery Cooling, Heating & Solar, LLC
Emery Cooling, Heating & Solar, LLC
5.0(
47
)

Serving Glendale, AZ and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"EMERY ROCKS IN EACH AND EVERY WAY. You need not look further for 5 star HVAC service."
Response time12 hrs
Response rate99%
9 neighbors recently requested a quote
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Avatar for LunAireLLC
LunAireLLC
4.8(
29
)

Serving Glendale, AZ and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"Excellent! Professional service, honest work and honest pricing - I highly recommend Lunaire to all my friends family and clients for HVAC services"
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project

+28

Response time9 hrs
Response rate100%
27 neighbors recently requested a quote
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Avatar for All Valley Air, Inc.
All Valley Air, Inc.
4.8(
63
)

Serving Glendale, AZ and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

"I am really glad to hire Louis from All Valley Air Inc. to repair my AC Compressor. Louis is really honest and professional. He responded quickly and answered all my questions patiently. He charged the repairs fairly and reasonably. I have kept him in my cell phone with a created contact name: Honest AC pro Louis! I will recommend him to my friends for sure."
All Valley Air Inc.
All Valley Air Inc.
All Valley Air Inc.
American standard
Condensor

+72

Response time8 hrs
Recommended by98%of homeowners
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FAQs for air conditioning projects in Glendale, AZ

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Glendale, AZ homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.

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