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Find Air conditioning pros in Columbia

Avatar for P & W HVAC Services
P & W HVAC Services
4.7(
268
)

Serving Columbia, SC and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Free estimates

Emergency services offered

"My air conditioner wasn’t blowing any air, I did a search on Angi Steven called and came out on time he had available parts gave me a great price for the repair and the diagnostic was affordable. He got my air up and running fast, I will use this company for future maintenance and repair!!! Great Service Great Price I recommend P&W HVAC Service and Trustworthy which is important today!!!"
 Nice Concrete Pad
 P & W
 P & W
Clogged Air Filter
TXV

+11

Response time5 hrs
143 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for E F Martin Mechanical Contractors Inc
E F Martin Mechanical Contractors Inc
4.7(
156
)

Serving Columbia, 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
7 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for ARS / Rescue Rooter Columbia
ARS / Rescue Rooter Columbia
4.1(
102
)

Serving Columbia, SC and surrounding areas

Approved (Corporate)

In business since 1976

Free estimates

Credit card accepted

"Jason and Jason were polite, knowledgeable without being pushy, followed up. And completed work in a timely manner. I will call them first if I have to install any more heads to my miniductless air conditioner."
System Installation
336 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Gonzo Heating and Air
Gonzo Heating and Air
5.0(
9
)

Serving Columbia, SC and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"If you’re looking for prompt, professional, and trustworthy service, look no further. The owner at Gonzo was very personable, and took the time to explain every step of their process in a way that I could actually understand (the communication was phenomenal). He also has an extensive background in the HVAC industry. Can’t recommend these guys enough!"
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
46 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for WAGNER HVAC AND REFRIGERATION LLC
WAGNER HVAC AND REFRIGERATION LLC
5.0(
8
)

Serving Columbia, SC and surrounding areas

Approved

Credit card accepted

Offers commercial services

"Wagner HVAC does great work. The owner is a great person and does fantastic work. He maintains and installs my commercial refrigeration units as well as household HVAC. Brandon is one of his techs and he is top notch. Very knowledgeable and experienced team."
Cooler freezer combo
Cooler and beer cave
Cooler installed
Lawn cooler
Additional cooler

+11

11 neighbors recently requested a quote
Avatar for Cottrell & Co, Inc.
Cottrell & Co, Inc.
5.0(
5
)

Serving Columbia, SC and surrounding areas

Approved (Corporate)

In business since 1995

Free estimates

Credit card accepted

Since 1995, Cottrell & Co., Inc. has been providing expert plumbing repair, heating repair, air conditioning repair and drain cleaning service to homeowners and businesses in Columbia, Lexington, and beyond. We're known as the only service company you want in your home. We service residential and commercial buildings all over the Midlands. Our Master Plumbers and NATE Certified HVAC specialists are hand-picked and expertly trained to provide you with the finest plumbing, heating and air service and installations. When you need it done right, you need a Master Plumber or a NATE Certified HVAC Specialist. Call Cottrell & Co!

15 neighbors recently requested a quote
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FAQs for air conditioning projects in Columbia, 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 Columbia, SC homeowners’ guide to air conditioning services

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