The Best HVAC in Johnsonville, SC

Compare the highest-rated hvac professionals in Johnsonville, South Carolina. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Johnsonville Climate Control

4.8
(127 reviews)
Verified

A family-owned and operated HVAC specialist serving Johnsonville and surrounding areas for over 25 years. They are known for their expertise in handling the high humidity and heat of South Carolina summers, offering top-tier installation, maintenance, and repair services for all major brands. Their technicians are NATE-certified and specialize in energy-efficient solutions to help reduce cooling costs.

101 Main Street, Johnsonville, SC 29555

Specialties & Features

24/7 Emergency Service
High-Efficiency HVAC Systems
Humidity Control
Local Climate Expertise

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Pee Dee Air Experts

4.6
(94 reviews)
Verified

Serving the Pee Dee region, including Johnsonville, this provider has built a strong reputation for reliability and customer education. They offer comprehensive services from system replacement and ductwork design to preventative maintenance plans tailored to the long cooling season. They are a Carrier Factory Authorized Dealer, ensuring high-quality equipment and training.

245 Florence Hwy, Johnsonville, SC 29555

Specialties & Features

Carrier Equipment Specialists
Ductwork Design & Sealing
Preventative Maintenance Plans
Indoor Air Quality Solutions

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Palmetto State Heating & Cooling

4.4
(78 reviews)
Verified

A trusted local contractor known for honest diagnostics and prompt service. They specialize in both residential and light commercial HVAC systems, with a focus on repair and emergency services. Their team is highly experienced with heat pumps and gas furnaces, providing year-round comfort solutions perfectly suited for the South Carolina climate.

78 Oakwood Drive, Johnsonville, SC 29555

Specialties & Features

Heat Pump Service & Repair
24/7 Emergency Repair
Honest Diagnostics
Residential & Commercial Service

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Johnsonville

Johnsonville, SC, experiences a humid subtropical climate with long, hot, and muggy summers and short, mild winters. This places a significant and constant demand on air conditioning systems for most of the year, with a shorter but critical heating season. The local HVAC market is competitive among a small number of established providers, with a strong emphasis on system reliability, humidity control, and energy efficiency to manage cooling costs. The seasonal demand peaks during the summer months, making 24/7 emergency service a critical offering for top providers.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Johnsonville regulations and climate

Frequently Asked Questions About HVAC in Johnsonville

Get answers to common questions about hvac services in Johnsonville, South Carolina.

1What is the typical cost range for replacing a central HVAC system in Johnsonville, SC?

For a full system replacement in Johnsonville, homeowners can typically expect to pay between $5,000 and $12,000, depending on the system's size (measured in tons), efficiency rating (SEER), and the complexity of the installation. Our humid, subtropical climate means a properly sized and efficient system is crucial for managing both summer heat and occasional winter cold, which influences the recommended equipment and final cost. Always get detailed, written estimates from local, licensed contractors that include all equipment, labor, and disposal fees.

2When is the best time of year to schedule HVAC maintenance or replacement in the Johnsonville area?

The ideal times for non-emergency service in Johnsonville are during the mild shoulder seasons of early spring (March-April) and early fall (September-October). Scheduling during these periods ensures your system is fully serviced before the peak demand of our hot, humid summers and the occasional freezing winter nights, and you'll find greater technician availability and potentially better scheduling flexibility. Avoid waiting for the first major heatwave or cold snap, as local HVAC companies are often booked solid during these peak times.

3Are there any local regulations or rebates in Florence County for HVAC installations I should know about?

In Johnsonville and Florence County, HVAC contractors must be licensed by the South Carolina Department of Labor, Licensing and Regulation (LLR), and all installations must comply with state building codes. While specific local rebates are limited, homeowners should inquire with their contractor about potential manufacturer rebates on high-efficiency equipment and check with Santee Electric Cooperative, a common utility provider in the area, for any available energy efficiency incentives or financing programs.

4How do I choose a reliable HVAC contractor in Johnsonville?

Prioritize contractors who are locally established, fully licensed and insured in South Carolina, and have strong, verifiable references from other Johnsonville residents. Look for companies that perform detailed load calculations (Manual J) specific to our climate and your home's construction, as proper sizing is critical for efficiency and comfort here. Always check their standing with the Better Business Bureau and ensure they provide clear, written warranties on both labor and equipment.

5My system runs constantly in the summer but doesn't cool evenly. What's a common local cause?

In Johnsonville's high humidity, this is often caused by a refrigerant leak, a dirty or frozen evaporator coil, or an improperly sized/aged system struggling to remove both heat and moisture from the air. Another frequent issue is inadequate attic insulation or ductwork leaks in our older homes, which allows cool air to escape into unconditioned spaces. A local technician can perform diagnostics, check duct integrity, and assess if your system's capacity is still matched to your home's needs.