The Best HVAC in Sullivan, WI

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

#1

Sullivan Climate Control

4.8
(127 reviews)
Verified

Family-owned HVAC specialist serving Sullivan and surrounding areas for over 25 years. Expertise in high-efficiency furnace installations and complex ductwork design for Wisconsin's extreme temperature variations. Carrier Factory Authorized Dealer with NATE-certified technicians.

124 W Main Street, Sullivan, WI 53178

Specialties & Features

24/7 Emergency Service
High-Efficiency Furnace Installation
Ductwork Design & Installation
Geothermal Systems
Whole-Home Humidifiers

Business Information

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

Lakes Area Heating & Cooling

4.6
(94 reviews)
Verified

Full-service HVAC contractor with expertise in both residential and light commercial systems. Specializes in energy-efficient upgrades and hybrid system installations that handle Sullivan's cold winters and humid summers. Lennox Premier Dealer with EPA-certified technicians.

305 Industrial Drive, Sullivan, WI 53178

Specialties & Features

Energy Efficiency Audits
Hybrid Heating Systems
AC Maintenance Plans
Indoor Air Quality Solutions
Smart Thermostat Integration

Business Information

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

TrueTemp HVAC Services

4.5
(68 reviews)
Verified

Reliable local HVAC service provider known for prompt emergency response and thorough maintenance services. Specializes in furnace repair and replacement for Sullivan's older homes, with expertise in both conventional and high-efficiency systems. Trane Comfort Specialist with focus on winter preparedness.

412 Oak Street, Sullivan, WI 53178

Specialties & Features

24/7 Emergency Repairs
Furnace Service & Replacement
Seasonal Maintenance Programs
Boiler Systems
Duct Cleaning & Sealing

Business Information

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

Why These Are the Top HVAC Contractors in Sullivan

Sullivan's HVAC market serves a rural community with extreme seasonal demands. Winters regularly drop below freezing, creating heavy furnace usage, while summers bring humid conditions requiring reliable AC. The aging housing stock creates demand for system replacements and ductwork modifications. Energy efficiency is increasingly important due to rising fuel costs. Most providers offer 24/7 emergency service, particularly during winter months when furnace failures become urgent situations.

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, Wisconsin.

1What is the typical cost range for replacing a furnace or central air conditioner in Sullivan, WI?

For a standard efficiency replacement in Sullivan, homeowners can expect to pay between $4,500 to $7,500 for a furnace and $5,000 to $8,500 for a central AC unit, with high-efficiency models costing more. Wisconsin's cold winters make a reliable furnace critical, and local factors like the age of your ductwork and your home's insulation can significantly impact the final price. Always get a detailed, written estimate that includes removal of the old unit, new installation, and all necessary permits.

2When is the best time to schedule HVAC maintenance or replacement in Sullivan to avoid the extreme seasons?

The ideal times are during the shoulder seasons—late spring (April-May) for AC service and early fall (September-October) for furnace service. Scheduling during these periods ensures your system is ready for Sullivan's hot, humid summers and bitterly cold winters, and you'll find better availability and potentially promotional pricing from local contractors. Avoid waiting for the first heatwave or cold snap, as service delays are common during peak demand.

3Are there any local Wisconsin or Sullivan-specific regulations or rebates I should know about for HVAC work?

Wisconsin requires that HVAC contractors be licensed by the Department of Safety and Professional Services (DSPS), so always verify this credential. For Sullivan residents, Focus on Energy, Wisconsin's statewide energy efficiency program, often offers rebates for installing high-efficiency furnaces, air conditioners, and heat pumps, which can provide significant savings. Additionally, local utility providers like We Energies may have their own incentive programs.

4What should I look for when choosing a reliable HVAC contractor in the Sullivan area?

Prioritize local, established companies with strong community reputations, as they understand Sullivan's specific climate challenges. Ensure they are DSPS-licensed, insured, and provide clear, written estimates. Look for technicians who are NATE-certified and ask about their experience with your specific system type, especially older furnaces common in area homes. Checking local reviews and asking neighbors for referrals is highly recommended.

5My furnace is over 15 years old. Should I repair it or consider a replacement before next winter?

Given the harsh Wisconsin winters, a furnace of that age is nearing the end of its typical lifespan and may become less reliable and efficient. While a repair might be a short-term fix, investing in a modern, high-efficiency replacement will provide greater reliability, lower heating bills, and improved comfort. A reputable Sullivan HVAC professional can perform a detailed cost-benefit analysis, factoring in your system's condition and the potential savings from newer technology.