The Best HVAC in Summerville, SC

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

#1

Lowcountry Climate Control

4.8
(215 reviews)
Verified

A leading full-service HVAC provider specializing in high-efficiency system installations and complex ductwork design for Summerville's humid climate. They are a Carrier Factory Authorized Dealer and focus heavily on humidity control and energy-efficient solutions, offering detailed load calculations to ensure systems are perfectly sized for local homes.

1025 Boone Hill Rd, Summerville, SC 29483

Specialties & Features

Energy Efficiency Upgrades
Humidity Control Systems
Ductwork Design & Sealing
24/7 Emergency Service

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

Summerville Air Experts

4.7
(178 reviews)
Verified

A highly-rated, family-owned HVAC contractor known for prompt and reliable 24/7 emergency repair service. They excel in furnace and heat pump repairs, which are crucial for the milder but sometimes chilly Lowcountry winters, and offer comprehensive maintenance plans to prevent common summer breakdowns during peak demand.

415 E 5th North St, Summerville, SC 29483

Specialties & Features

24/7 Emergency Repairs
Furnace & Heat Pump Service
Preventative Maintenance Plans
Indoor Air Quality Solutions

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Palmetto Heating & Air

4.5
(132 reviews)
Verified

A trusted local installer and servicer of Trane and American Standard systems, offering robust and reliable equipment known for performance in Southern heat. They provide honest consultations and specialize in system replacements and retrofits for older homes in Summerville's historic districts, improving both comfort and energy efficiency.

200 Cedar St, Summerville, SC 29483

Specialties & Features

Trane System Specialists
System Replacement & Retrofits
Honest Consultations
Residential & Light Commercial

Business Information

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

Why These Are the Top HVAC Contractors in Summerville

The HVAC market in Summerville, SC, is driven by a hot, humid subtropical climate with long summers that place extreme demand on air conditioning systems. High humidity levels make quality installation, proper system sizing, and moisture control critical services. Winters are mild but can have cold snaps, creating demand for furnace and heat pump repairs. The market is competitive with numerous providers, emphasizing the importance of selecting licensed, insured, and locally experienced contractors who understand the specific challenges of the Lowcountry environment. Seasonal demand peaks during the summer months for AC repairs and in the fall for system replacements and maintenance checks.

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 Summerville regulations and climate

Frequently Asked Questions About HVAC in Summerville

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

1What is the typical cost to replace an HVAC system in Summerville, and are there any local factors that affect the price?

For a full system replacement in a standard Summerville home, homeowners can expect a range of $5,000 to $12,000+, depending on system size, efficiency, and home layout. Local factors include our high summer humidity, which often necessitates properly sized systems with strong dehumidification capabilities, and the prevalence of heat pumps as an efficient year-round solution for our mild winters and hot summers. Always get multiple itemized quotes from licensed local contractors.

2When is the best time of year to schedule HVAC maintenance or replacement in Summerville to avoid delays and high demand?

The ideal times are during the mild shoulder seasons of early spring (March-April) and early fall (September-October). Scheduling during these periods avoids the peak summer demand when HVAC companies are overwhelmed with emergency no-cool calls and the winter rush for heating issues. Proactive maintenance in spring is crucial to ensure your system can handle Summerville's intense, humid summer heat that often stretches from May into September.

3Are there specific HVAC considerations for older homes in Summerville's historic districts?

Yes, homes in areas like Historic Downtown Summerville often have unique challenges like older ductwork, plaster walls, and architectural preservation concerns. A reputable local HVAC contractor will be experienced in solutions like high-velocity mini-duct systems or multi-zone ductless mini-splits that minimize invasive installation while providing effective climate control. They can also advise on any local historic review board guidelines that may affect external unit placement.

4How do I choose a reliable HVAC contractor in the Summerville area?

Always verify the contractor is licensed by the South Carolina Department of Labor, Licensing and Regulation (SC LLR) and carries proper insurance. Look for established local companies with strong community reputations, as they understand our specific climate challenges. Check for affiliations with organizations like the Coastal Carolina Association of Home Builders and read verified local reviews to gauge their responsiveness, especially during our busy summer season.

5Why does my HVAC system seem to run constantly during a Summerville summer, and is this normal?

Given our prolonged periods of high temperatures (90°F+) and extreme humidity, it is normal for your system to have longer run cycles, especially during the peak afternoon heat. However, a system that *never* shuts off may indicate an issue like an undersized unit, low refrigerant, dirty coils, or failing components. Consistent running paired with inadequate dehumidification (a sticky indoor feel) is a common local complaint and a sign you should call for a professional diagnostic.