The Best HVAC in Marathon, WI

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

#1

Northwoods Climate Control

4.8
(127 reviews)
Verified

Family-owned HVAC specialist serving Marathon and surrounding counties since 1985. Expertise in high-efficiency heating systems crucial for Wisconsin winters, including furnace installations, heat pumps, and comprehensive AC services for humid summers. NATE-certified technicians with EPA certification for refrigerant handling.

2015 Grand Avenue, Marathon, WI 54448

Specialties & Features

24/7 Emergency Service
Geothermal Systems
Boiler Installation
Whole-Home Humidifiers
Wisconsin Energy Efficiency Rebates

Business Information

Years in Business:39 years
Licensed:Yes
Insured:Yes
#2

Marathon Heating & Cooling

4.6
(94 reviews)
Verified

Local HVAC contractor known for reliable service and maintenance plans tailored to the extreme seasonal shifts in central Wisconsin. Specializes in Lennox and Carrier equipment, ductwork design and sealing for older homes, and smart thermostat integration. Offers priority service for existing customers during peak winter emergencies.

548 Center Street, Marathon, WI 54448

Specialties & Features

Heating System Repair
Pre-Season Maintenance Plans
Ductwork Design & Sealing
Air Quality Solutions
Smart HVAC Technology

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Tundra-Tech HVAC Services

4.4
(68 reviews)
Verified

Provider focusing on energy-efficient solutions and rapid response times for both residential and light commercial properties. Strong expertise in heat load calculations for new construction and resolving uneven heating/cooling issues in Marathon's varied topography. Known for honest diagnostics and working within budget constraints.

11205 Business Highway 51, Marathon, WI 54448

Specialties & Features

Energy Audits & Upgrades
New Construction HVAC
24/7 Emergency Repair
Mini-Split Systems
Water Heater Services

Business Information

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

Why These Are the Top HVAC Contractors in Marathon

Marathon, WI experiences a humid continental climate with cold, snowy winters (average lows in the single digits) and warm, humid summers, creating year-round demand for reliable HVAC services. The market is characterized by a mix of older housing stock requiring system upgrades and new construction. Local providers must be adept at servicing both traditional forced-air systems and emerging technologies like heat pumps to handle temperature extremes. Winter emergency service capability is a critical differentiator due to the risk of furnace failure in sub-freezing conditions.

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 Marathon regulations and climate

Frequently Asked Questions About HVAC in Marathon

Get answers to common questions about hvac services in Marathon, Wisconsin.

1How does Marathon's cold climate affect the type of furnace I should install?

Given Marathon's long, severe winters with temperatures often well below freezing, a high-efficiency furnace (90% AFUE or higher) is a wise investment for long-term savings and reliability. It's also crucial to ensure your system is properly sized by a local professional who calculates the specific heat load for your home, accounting for Wisconsin's extreme temperature swings. This prevents underperformance and ensures your family stays warm during the coldest months.

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

The ideal times are during the shoulder seasons—late spring (April-May) for AC service and early fall (September-October) for furnace service—to avoid the peak summer and winter demand rushes. Scheduling during these periods ensures you get timely service and that your system is fully prepared for the intense Wisconsin summer humidity or winter deep freeze. For full system replacements, planning during these off-peak times often provides more installer availability and potential promotional pricing.

3Are there any local rebates or regulations in Wisconsin I should know about when replacing my HVAC system?

Yes, Focus on Energy, Wisconsin's statewide energy efficiency and renewable resource program, often offers rebates for installing high-efficiency HVAC equipment, which can significantly offset your upfront cost. Additionally, all HVAC work in Marathon must be performed by a licensed professional, and you should always verify that your contractor pulls the required local permits, ensuring the installation meets state and municipal building codes for safety and performance.

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

Prioritize local, established companies with strong community reputations, as they understand the specific climate challenges and can provide faster emergency service during a winter storm. Verify they are licensed, insured, and carry North American Technician Excellence (NATE) certification. Always ask for local references and detailed, written estimates that include equipment model numbers, labor warranty, and a clear scope of work.

5My heat pump seems inefficient in winter; is this system suitable for Marathon's weather? **Question:** My heat pump seems inefficient in winter; is this system suitable for Marathon's weather?

A standard air-source heat pump can struggle with efficiency during Marathon's sustained sub-freezing temperatures, often requiring a backup heat source. However, modern cold-climate heat pumps (ccHP) are specifically designed to operate efficiently in temperatures as low as -15°F and are becoming a viable primary heating option for our area. A local HVAC expert can assess your home's insulation and needs to determine if a ccHP or a traditional furnace/hybrid system is the most cost-effective and reliable choice for you.