Holley Heating & Air Conditioning Inc

Is this your business?
Verify your details, earn a verified badge, and start getting customer inquiries. Takes about a minute by phone.
Claim This Business FreeClaiming is free. Featured placement is optional, $99/mo.
About Holley Heating & Air Conditioning Inc
Holley Heating & Air Conditioning Inc has served Aiken, South Carolina for decades, building a reputation as the area's go-to HVAC contractor. With 1,471 reviews holding a near-perfect 4.9-star rating, the company has earned the trust of thousands of homeowners across Aiken County and surrounding communities. The company maintains 24-hour availability, seven days a week, ensuring residents never face a heating or cooling emergency alone. As an authorized Carrier dealer, Holley Heating & Air Conditioning provides factory-backed repairs and installations for one of the industry's most recognized brands.
What distinguishes Holley Heating & Air Conditioning from other area contractors is their commitment to transparent, pressure-free service. The 24-hour availability means help is always a phone call away, while their Carrier partnership connects customers directly to manufacturer support when warranty disputes arise. Reviewers consistently praise the lack of aggressive upselling or scare tactics, noting that technicians explain options clearly and let homeowners make informed decisions.
Customer stories from reviews reveal the depth of service behind the ratings. Pierre Drouin described calling Holley when his heating system failed completely in January 2026; the team arrived within an hour and diagnosed a failed control board. They returned the next day and completed the replacement in under 24 hours at what Drouin described as a modest and fair cost. His review specifically highlighted the professional, responsive communication throughout, with no pressure tactics. Another reviewer noted the technicians arrived on time and handled a complex Carrier warranty situation with care.
What Customers Say
With 1,471 reviews averaging 4.9 stars, Holley Heating & Air Conditioning earns strong homeowner trust. Positive reviews consistently mention fair pricing, thorough diagnostics, and professional communication, while a minority of reviews cite cost concerns around major repairs. The company responds to feedback and maintains 24/7 availability for emergencies.
Working Hours
| SundayToday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
Heating System Repair & Installation
Complete furnace and heat pump repairs, including control board replacement, thermostat issues, and refrigerant leaks.
Cooling System Service
AC tune-ups, diagnostics, and repairs addressing compressor issues, refrigerant problems, and airflow concerns.
24/7 Emergency HVAC Service
Round-the-clock availability for heating and cooling emergencies, with same-day or within-hour response times.
Carrier Equipment Sales & Installation
Authorized Carrier dealer providing new furnace, heat pump, and air conditioning units with manufacturer backing.
System Diagnostics & Troubleshooting
Thorough identification of HVAC problems using proper diagnostic procedures rather than assumptions or guesswork.
Thermostat Services
Thermostat replacement, wiring corrections, and upgrades including proper amperage fuse corrections.