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

Avatar for E F Martin Mechanical Contractors Inc
E F Martin Mechanical Contractors Inc
4.7(
157
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+4 more

Serving Orangeburg, SC and surrounding areas

Approved

In business since 1976

Free estimates

Emergency services offered

"Called EF Martin for annual furnace maintenance service. Had no problems getting someone on the phone to schedule the appointment. The attendant was very pleasant and efficient. I was scheduled for 2 - 4pm appointment. The technician arrived at 2pm, which was great. Dennis was very thorough and explained everything to me clearly. I highly recommend this company!"
UV Thermal Solar Panel
Comfort Control On the Go
Innovative Equipment
HVAC Equipment
UV Thermal Solar Panel

+2

Response time8 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for Gonzo Heating and Air
Gonzo Heating and Air
5.0(
10
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral Air Cleaner - Install or Replace+4 more

Serving Orangeburg, SC and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Excellent job done professionally and neatly. Excellent communication and whatever promised fulfilled. 2 years labor warranty given. 12 years on parts from GE They took the old unit and installed the new one professionally and neatly, installed 2 thermostats inside the house. Stayed there to test it thoroughly. Brandon Watts and Chris made things possible even when unit was not in stock (Not until 3 days later), they travelled to Greenville just to install it as promised because I was traveling the next day. He did not charge extra. His labor charge is very affordable. I am going to sign up a maintenance contract with Gonzo for 2 yearly visits for $189. I believe it’s worth it to extend the life of the unit. I recommend Gonzo HVAC to everyone without hesitation. Good job and thanks."
Heating & A/C Project
Heating and Air Conditioning Project
Heating and Air Conditioning Project
Heating & A/C Project
Heating and Air Conditioning Project

+20

Response time2 days
Response rate100%
28 neighbors recently requested a quote
Avatar for ARS / Rescue Rooter Columbia
ARS / Rescue Rooter Columbia
4.1(
104
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+2 more

Serving Orangeburg, SC and surrounding areas

Approved (Corporate)

In business since 1976

Free estimates

Credit card accepted

"This was my second choice but it turns out to be the best for what I needed. ARS is associated with Home Depot, received rebate I applied to total cost. ARS also provided paper work indicating Air Condition units meet or exceed energy company perspectives for rebate for being energy conservative units. ARS performed Professional installation along with good customer service, and has always responded to my calls to answer questions about installation and energy rebates."
System Installation
111 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Hill Plumbing & Electric Company Inc.
Hill Plumbing & Electric Company Inc.
4.5(
41
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Orangeburg, SC and surrounding areas

Approved

In business since 1925

Free estimates

Emergency services offered

"Richard came out to our house less than 30 minutes after I called for help. He was professional, quick, knowledgeable and friendly. He even installed our new garbage disposal in the kitchen while he was here. I can not thank him enough for rescuing us."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+14

Response time1 day
Response rate100%
5 neighbors recently requested a quote
Air Worx Heating and Air Conditioning
New to Angi
Central A/C - InstallCentral A/C - Service or Repair

Serving Orangeburg, SC and surrounding areas

Approved

In business since 2012

Free estimates

We pride our company on reliability, great communication, integrity, and quality work. Our top priority is customer satisfaction and will go the extra mile. We are experts in our trade and will work with you from conception to competition. We strive in making all clients, repeat clients. \n \nCall us today you'll be relieved you did. \n \nThank you

Response time2 days
Avatar for Pesky mosquito towing
Pesky mosquito towing
4.7(
3
)
Outdoor Mist Cooling System - InstallOutdoor Mist Cooling System - Service or Repair

Serving Orangeburg, SC and surrounding areas

Approved

Free estimates

Small jobs welcome

Credit card accepted

"I had a ton of stuff in my yard that needed to be removed and taken to the dump, and I could not do it myself as I drive a sports car. I spoke to the owner directly and he was very professional and honest about his services and pricing. The response time was pretty good. He had my whole yard cleared in just a couple hours. Only reason for four stars is because his work rig is sick and I am jealous. Highly recommend."
3 neighbors recently requested a quote
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FAQs for air conditioning projects in Orangeburg, SC

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 Orangeburg, SC homeowners’ guide to air conditioning services

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