The Best HVAC in Sullivan, IN

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

#1

Sullivan Climate Control Experts

4.8
(142 reviews)
Verified

Family-owned HVAC specialist serving Sullivan and surrounding counties since 1998. Offers comprehensive heating and cooling services including high-efficiency system installation, 24/7 emergency repairs, and customized maintenance plans. Known for expertise in both traditional and modern HVAC systems with a focus on energy-efficient solutions for Indiana's variable climate.

125 East Washington Street, Sullivan, IN 47882

Specialties & Features

24/7 Emergency Service
Energy Efficiency Consulting
Geothermal System Installation
Whole-Home Humidity Control

Business Information

Years in Business:26 years
Licensed:Yes
Insured:Yes
#2

Wabash Valley Heating & Cooling

4.6
(118 reviews)
Verified

Locally operated HVAC contractor with deep roots in the Sullivan community. Specializes in residential and light commercial HVAC services including furnace and AC installation, ductwork design and sealing, and indoor air quality solutions. Their technicians are EPA-certified and particularly skilled with heat pump systems suited for Indiana's humid summers and cold winters.

307 North Section Street, Sullivan, IN 47882

Specialties & Features

Ductwork Design & Sealing
Heat Pump Systems
Indoor Air Quality Solutions
Preventive Maintenance Plans

Business Information

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

Four Seasons HVAC Sullivan

4.4
(96 reviews)
Verified

Reliable full-service HVAC company providing installation, maintenance, and repair services throughout Sullivan County. Known for quick response times and expertise with all major brands including Carrier, Trane, and Lennox. Offers free energy audits and specializes in optimizing existing systems for better performance and lower utility costs in Indiana's seasonal climate.

89 East Wolfe Street, Sullivan, IN 47882

Specialties & Features

Emergency Repairs
System Optimization
HVAC Brand Expertise
Senior Discount Programs

Business Information

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

Why These Are the Top HVAC Contractors in Sullivan

Sullivan's HVAC market services a population of approximately 4,200 residents with significant seasonal demand swings. The humid continental climate features hot, humid summers (average highs 85°F) and cold winters (average lows 20°F), creating year-round HVAC needs. The market is dominated by local, family-owned businesses with deep community ties. Key considerations include addressing high humidity in summer, efficient heating in winter, and increasing demand for energy-efficient systems due to fluctuating energy costs. Most reputable providers offer 24/7 emergency services, particularly during winter freeze events and summer heat waves.

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 Sullivan regulations and climate

Frequently Asked Questions About HVAC in Sullivan

Get answers to common questions about hvac services in Sullivan, Indiana.

1What is the typical cost to replace a central air conditioner or furnace in Sullivan, IN?

For a standard efficiency, properly sized system, full replacement costs in Sullivan typically range from $5,000 to $12,000, depending on the unit type, efficiency rating (SEER/HSPF), and complexity of the installation. Indiana's climate, with hot, humid summers and cold winters, makes a reliable system essential, so investing in a correctly sized, mid-efficiency unit often provides the best value. Always get detailed, written estimates from local contractors that include equipment, labor, and any necessary duct modifications.

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

The ideal times are during the mild shoulder seasons—early spring (March-April) before cooling demand hits and early fall (September-October) before heating season. Sullivan experiences peak demand in July/August and December/January, when HVAC companies are busiest with emergency repairs. Scheduling service in the off-peak periods ensures better availability, often shorter wait times, and potential promotional pricing, and it prepares your system for the extreme temperatures ahead.

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

While Sullivan follows Indiana state codes, which require permits for new HVAC system installations, specific local amendments are rare. However, it's crucial to hire a licensed contractor who will pull the required Sullivan city permit. For rebates, check with your local utility provider, such as Duke Energy Indiana, which often offers incentives for upgrading to high-efficiency heat pumps or air conditioners, helping offset the initial cost.

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

Look for a locally established, licensed, and insured contractor with strong references from Sullivan or nearby communities like Carlisle or Jasonville. Verify they perform Manual J and Manual D calculations to properly size equipment for our specific climate and your home's layout. A trustworthy Sullivan contractor will offer clear, written estimates, explain options without high-pressure sales, and provide a warranty on both labor and parts.

5My heat pump seems inefficient during our coldest weeks. Is this normal for Sullivan winters, and what are my options?

Yes, this is a common concern. Standard air-source heat pumps can lose efficiency during Sullivan's coldest spells, often dipping into the teens and single digits, causing them to rely on auxiliary (often electric) heat strips. To improve comfort and efficiency, discuss options with your local technician, such as a dual-fuel system (pairing a heat pump with a gas furnace) or upgrading to a modern cold-climate heat pump designed for better low-temperature performance.