The Best HVAC in Jefferson, WI

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

#1

Jefferson Climate Control

4.8
(127 reviews)
Verified

A full-service HVAC contractor specializing in high-efficiency heating and cooling systems for Jefferson's extreme seasonal climate. Experts in installing and servicing geothermal systems, modulating furnaces, and smart thermostats. Known for thorough maintenance plans that prepare systems for harsh Wisconsin winters and humid summers.

845 Industrial Drive, Jefferson, WI 53549

Specialties & Features

Geothermal Systems
High-Efficiency Furnaces
24/7 Emergency Service
Wi-Fi Thermostats

Business Information

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

Badger State Heating & Cooling

4.6
(94 reviews)
Verified

A family-owned and operated HVAC provider with deep roots in the Jefferson community. They offer comprehensive installation, repair, and maintenance services with a strong focus on reliability and customer education. Their technicians are particularly skilled in diagnosing and repairing older furnace systems common in historic Jefferson homes.

301 S Main Street, Jefferson, WI 53549

Specialties & Features

Furnace Repair
Boiler Systems
Ductwork Design & Sealing
Senior Discounts

Business Information

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

Comfort Plus HVAC Services

4.5
(78 reviews)
Verified

Specializes in fast, responsive HVAC service and energy efficiency upgrades for both residential and light commercial properties. They are a preferred dealer for several top-tier brands and focus on providing solutions that reduce energy bills in Jefferson's climate, including heat pumps and air purification systems.

1122 E Milwaukee Ave, Jefferson, WI 53549

Specialties & Features

Heat Pumps
Energy Efficiency Audits
Indoor Air Quality
24/7 Emergency Repairs

Business Information

Years in Business:11 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Jefferson

Jefferson, WI, experiences a full range of seasons with cold, snowy winters (average lows in the teens) and warm, humid summers (average highs in the low 80s), creating a consistent, year-round demand for reliable HVAC services. The local market is competitive with a mix of long-standing family businesses and newer, technology-focused providers. Homeowners prioritize system durability, energy efficiency due to seasonal extremes, and contractors who can service both older furnaces in historic homes and install modern, high-efficiency systems. Spring and fall are peak seasons for maintenance and system replacements, while winter sees a high volume of emergency furnace repair calls.

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 Jefferson regulations and climate

Frequently Asked Questions About HVAC in Jefferson

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

1What is the typical cost range for replacing a furnace in Jefferson, WI, and what factors influence the price?

In Jefferson, a full furnace replacement typically ranges from $4,500 to $8,500, with high-efficiency models at the upper end. Key cost factors include the unit's efficiency (AFUE rating), the complexity of your ductwork, and the need for new venting or electrical work. Given our cold Wisconsin winters, investing in a reliable, high-efficiency system (90%+ AFUE) is crucial for long-term comfort and energy savings, despite the higher upfront cost.

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

The optimal times are during the mild shoulder seasons—late spring (April-May) or early fall (September-October). Scheduling furnace service in the fall ensures your system is ready for the harsh Wisconsin winter, while scheduling AC service in the spring prepares you for humid summer spells. Booking during these periods avoids the high-demand emergency rates of mid-winter or peak summer and ensures better availability from local technicians.

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

Yes, Wisconsin often has specific codes for furnace venting and combustion air, especially for high-efficiency units, which a licensed local contractor will know. Furthermore, Focus on Energy, Wisconsin's statewide energy efficiency and renewable resource program, frequently offers rebates for installing high-efficiency HVAC equipment. Additionally, Jefferson Utilities may have their own rebate programs, so it's wise to check with them and your HVAC provider for current incentives.

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

Look for a contractor who is licensed, insured, and has strong local references. They should perform a detailed Manual J load calculation for your specific Jefferson home to correctly size equipment, as improper sizing is a common cause of inefficiency. Choose a provider with a proven track record of servicing both the older homes in the historic district and newer constructions, as they will understand the varied system needs.

5My air conditioner struggles on the hottest summer days. Should I just add more refrigerant (Freon)?

No, an air conditioner is a sealed system and does not routinely lose refrigerant. A low charge indicates a leak that must be repaired by a professional. Simply adding more refrigerant is illegal, wasteful, and won't solve the underlying problem. In Jefferson's humid summers, other issues like a dirty condenser coil, failing compressor, or an undersized unit for your home are more likely culprits that a qualified technician can diagnose.