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

Avatar for Seaside Heating and Air Conditioning, LLC
Seaside Heating and Air Conditioning, LLC
5.0(
5
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+4 more

Serving Allendale, SC and surrounding areas

Approved

In business since 2022

Free estimates

Small jobs welcome

Seaside Heating and Air Conditioning is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. \n \n

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+6

Response time11 hrs
1 neighbors recently requested a quote
Palmetto & Pine Services Co.
New to Angi
Outdoor Mist Cooling System - Install

Serving Allendale, SC and surrounding areas

Approved

Free estimates

Small jobs welcome

Credit card accepted

Palmetto & Pine Services Co. is a veteran-owned property services company serving residential and commercial clients across the Carolinas. We provide reliable junk removal, hauling, pressure washing, yard cleanup, delivery assistance, and property support services. Our team is built on discipline, pride, and accountability. We treat every job as if it were our own property. Quality work. Clear communication. No shortcuts.

GRANT & HARRISON TRANSPORT
New to Angi
Outdoor Mist Cooling System - InstallOutdoor Mist Cooling System - Install - For BusinessOutdoor Mist Cooling System - Service or Repair+1 more

Serving Allendale, SC and surrounding areas

Approved

GRANT & HARRISON TRANSPORT provides dependable pickup, delivery, and hauling services for businesses and residential customers throughout Columbia, SC, and surrounding areas. From furniture, appliances, and household items to business supplies, equipment, and freight, we handle every job with care and respect for your property and time.\n\nOwner Mr. Lonie Grant brings more than 25 years of business experience and a strong background in logistics, operations, and management. His experience leading teams and coordinating deliveries supports our commitment to clear communication, reliable service, and getting the job done right.\n\nMr. Grant stands on business: he keeps his word, takes responsibility, and believes in treating people fairly. Whether serving a homeowner, a small business, or an established company, our goal is to earn your trust and become the team you call again.

6 neighbors recently requested a quote
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Allendale, SC and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"Excellent service, very fast response to my request for service, picked up laptop, diagnosed issues. Initially thought it was an OS update issue but the hard drive had failed along with other components (including 'CPU). Because other components were involved, a new solid state hard drive was put into a laptop with a working processor - same type CPU as in the failed unit. The laptop was repaired and returned in less than a week. This company picked up and dropped off the laptop (driving from Huntsville, AL (about 60-70 minutes)-- great service in this covid environment. I would recommend this company to my family./friends and will use again."
2014 Super Service Award Winner!
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Recommended by97%of homeowners
Avatar for Mike's Painting & Pressure Washing
Mike's Painting & Pressure Washing
4.7(
28
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+14 more

Serving Allendale, SC and surrounding areas

In business since 1996

Emergency services offered

Credit card accepted

"Mike and Crystal were very professional from the first phone contact through the completion of the work. They showed up on time, their work was neat and they worked very efficiently. My windows were in pretty bad shape. They really took their time and prepped them very well which showed in the finished product. When asked to redo or touch up anything it was done without question. In the end we received a very good paint job on a timely basis and at a competitive price. I have already recommended Mike's Painting to others in my neighborhood and would use him again for future painting needs.
"
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+161

Recommended by91%of homeowners
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FAQs for air conditioning projects in Allendale, 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 Allendale, SC homeowners’ guide to air conditioning services

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