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Top-Rated Air conditioning pros in Katy - Updated Nov 2026

Avatar for Air Specialist
Air Specialist
4.5(
182
)
Central A/C - Install

Serving Katy, TX and surrounding areas

Approved

In business since 1970

Free estimates

Emergency services offered

"Everything went extremely well. It took two technicians about seven hours to complete the job. They were very careful when transporting equipment through the house up into the attic. When the job was completed, they even moved items back into the attic I had taken out to give them more working room. Outside, they were careful not to damage the house siding when installing the compressor through an extremely tight space. Overall, Air Specialists were wonderful to work with and I would hire them again without hesitation."
33 neighbors recently requested a quote
Recommended by90%of homeowners
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Avatar for DIAMOND-AIRE MECHANICAL
DIAMOND-AIRE MECHANICAL
5.0(
21
)
Central A/C - Service or Repair

Serving Katy, TX and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

We are a locally & family owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General HVAC Contractor services that involve anything from repairs or full system replacements. You will find us to be competitively priced, over-communicative, and treating every project with a great care & detail. We look forward to building lasting relationships and guarantee your satisfaction!\n

New Unit Install
Maintenance Plan
Soft Start
duct
Response time4 hrs
Response rate100%
28 neighbors recently requested a quote
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Avatar for Punbar Air
Punbar Air
5.0(
54
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Katy, TX and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"This company is awesome - they were able to fix all of the problems caused by my prior HVAC contractor and make recommendations for improved airflow in my home. Everyone working for Punbar Air was professional, honest, knowledgeable, and able to explain things in an easy to understand manner. I will hire this company for all future HVAC work in my home."
Heating System Maintenance
Heating System Maintenance
Coil and Condenser Replacement
Heating System Maintenance
Coil and Condenser Replacement

+40

6 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for AKKO Air Conditioning & Heating Services
AKKO Air Conditioning & Heating Services
4.9(
92
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business

Serving Katy, TX and surrounding areas

Approved

In business since 2019

Emergency services offered

Warranties offered

"Air Condition on the blink. Call the office and was scheduled the same day. One company not five minutes for where I live schedule for 7 to 10 days later. No no no not in this heat. Good job!!! Highly recommend to my friend the same day."
Installations
Installations
Installation
Response time2 hrs
Response rate96%
8 neighbors recently requested a quote
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Avatar for Felipe Piazza
Felipe Piazza
5.0(
100
)
Central A/C - Service or Repair

Serving Katy, TX and surrounding areas

Approved

In business since 2015

Free estimates

Customers say: Quality work

"Tou can tell he truly enjoys his work and shows through his compassion to help his customers achieve a great value and service. Very honest does what he says he is going to do. I will contact phillip again for my air conditioning needs. Extremely satisfied customer"
5 Ton Condenser
5 ton Gas furnace
Flex ductwork
Return plenum
Access door between furnace and Coil

+39

Response time3 hrs
1 neighbors recently requested a quote
Recommended by95%of homeowners
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Avatar for Air Bourne Air AC & Heat, Inc.
Air Bourne Air AC & Heat, Inc.
4.8(
94
)
Central A/C - Install

Serving Katy, TX and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Very satisfied with Air Bourne Air. They installed new/complete Rheem 2-Stage Air Condition/Furnace System. Work started at 7:30 am and we had cold air by 3:00 pm. Outstanding work quality."
Response time7 hrs
Response rate100%
10 neighbors recently requested a quote
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Avatar for PHR A/C & Heating
PHR A/C & Heating
4.9(
34
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+2 more

Serving Katy, TX and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Emergency services offered

"It went very well. PHR A/C & Heating was the first company to reach out to me and they did a great job! I have cool air now, so refreshing especially in this Texas heat. They are my Go-To A/C company now, I will definitely hire them again. Thanks guys!"
Heating and Air Conditioning Project
Full installs
Additional Photos
Additional Photos
Additional Photos

+2

Response time1 day
Response rate100%
2 neighbors recently requested a quote
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Avatar for Affordable AC Service
Affordable AC Service
4.9(
88
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Katy, TX and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Credit card accepted

"Very professional and skilled guys who will make your HVAC project seamless and painless. They work early and they work fast to put the cold air on your head ASAP!"
AMERICAN STANDARD
COMPLETE SYSTEM VARIABLE SPEED BLOWER
COMPLETE 14 SEER SYSTEM
COMPLETE RUUD SYSTEM
COMPLETE DAIKIN UPFLOW UNIT

+6

Response time9 hrs
6 neighbors recently requested a quote
Recommended by90%of homeowners
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Avatar for Kelly's
Kelly's
4.9(
54
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Katy, TX and surrounding areas

Approved

Super Service Award Winner

In business since 1995

Free estimates

Emergency services offered

"It was excellent!! I suffer with Asthma and allergies the duct cleaning disinfecting really help me. Right now I am not coughing and I feel GREAT. You must TRY!!! Thank you KELLY'S Air Conditioning and Heating"
Air Duct Cleaning
insulation
HVAC
Furnace Install
Furnace Install

+15

Response time10 hrs
26 neighbors recently requested a quote
Recommended by76%of homeowners
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Avatar for Famous A/C & Heat
Famous A/C & Heat
4.9(
53
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Katy, TX and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"Rigo and his team did great work. His crew showed up at the time we agreed on, did a quality job, and charged exactly the price we agreed upon before hand. He saved me $2,600 compared to the first quote I got! I am very happy with my new air conditioner and the work that was performed."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+15

12 neighbors recently requested a quote
Recommended by74%of homeowners
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Showing 1-10 of 1068

FAQs for air conditioning projects in Katy, TX

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 Katy, TX 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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