The Best HVAC in Sun Prairie, WI

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

#1

Sun Prairie Climate Control

4.8
(142 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency heating and cooling systems tailored for Wisconsin's extreme seasonal shifts. They are a Carrier Factory Authorized Dealer, offering top-tier equipment with extended warranties. Their team excels in complex installations, including geothermal and dual-fuel systems, and provides comprehensive energy audits to optimize home comfort and efficiency.

825 Windsor Street, Sun Prairie, WI 53590

Specialties & Features

24/7 Emergency Service
Carrier Factory Authorized Dealer
Geothermal Systems
Energy Efficiency Audits
Ductwork Design & Sealing

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#2

Capital City Heating & Cooling

4.6
(118 reviews)
Verified

A family-owned and operated HVAC company with deep roots in the Sun Prairie community. Known for their reliable repair service and expert maintenance plans that prepare systems for harsh Wisconsin winters and humid summers. They are a Lennox Premier Dealer, focusing on installing durable and efficient furnaces and air conditioners, and are highly regarded for their honest diagnostics and customer education.

1450 Linnerud Drive, Suite 200, Sun Prairie, WI 53590

Specialties & Features

Lennox Premier Dealer
Preventative Maintenance Plans
Furnace & AC Repair
Indoor Air Quality Solutions
Honest Diagnostics

Business Information

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

True North Mechanical

4.5
(96 reviews)
Verified

Specializes in fast, effective emergency HVAC service and system replacements for both residential and light commercial properties. Their technicians are NATE-certified and particularly adept at servicing high-efficiency boilers and furnaces, a critical need during Sun Prairie's cold snaps. They offer transparent, upfront pricing and focus on providing durable solutions that prioritize long-term performance over quick fixes.

550 Enterprise Drive, Sun Prairie, WI 53590

Specialties & Features

NATE-Certified Technicians
24/7 Emergency Repairs
Boiler Service & Installation
Upfront Pricing
Commercial HVAC Services

Business Information

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

Why These Are the Top HVAC Contractors in Sun Prairie

The HVAC market in Sun Prairie, WI, is driven by a continental climate with very cold, snowy winters and warm, humid summers, creating year-round demand for reliable heating and cooling. Residents prioritize robust furnace installations and efficient AC units. The market is competitive with numerous local providers, emphasizing 24/7 emergency service, energy-efficient upgrades to combat high utility bills, and expertise with modern high-efficiency systems like modulating furnaces and heat pumps. The growing population and newer housing developments also create strong demand for new system installations and modern ductwork design.

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 Sun Prairie regulations and climate

Frequently Asked Questions About HVAC in Sun Prairie

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

1What is the typical cost range for replacing a central air conditioner or furnace in Sun Prairie?

For a standard efficiency replacement in our area, homeowners can expect to pay between $4,500 to $8,500 for a new furnace and $4,000 to $8,000 for a new air conditioner, with high-efficiency models costing more. Wisconsin's cold winters and humid summers make proper sizing and installation critical, which influences labor costs. It's wise to get 2-3 detailed, written estimates from local, licensed contractors, as prices can vary based on your home's specific needs and the equipment's SEER (cooling) and AFUE (heating) ratings.

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

The optimal times are during the mild shoulder seasons—spring (March-May) for AC tune-ups and fall (September-November) for furnace check-ups. Scheduling during these periods ensures your system is ready for Sun Prairie's extreme temperature swings and avoids the high-demand rush in summer and winter when wait times are longer. For replacements, planning ahead during these seasons often provides more installer availability and potential promotional pricing.

3Are there any local Wisconsin or Sun Prairie regulations or rebates I should know about for HVAC work?

Yes, Wisconsin requires that all HVAC contractors performing work over $1,000 be licensed as Dwelling Contractor Qualifiers. Locally, Focus on Energy, Wisconsin's statewide energy efficiency and renewable resource program, frequently offers cash-back rebates for upgrading to high-efficiency furnaces, air conditioners, and heat pumps. Additionally, Sun Prairie Utilities may have specific offers, so checking with them and your contractor for current incentives is highly recommended before purchasing.

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

Prioritize local companies with strong community reputations, proper Wisconsin licensing, and proof of liability insurance. Look for NATE-certified technicians, which indicates advanced training. Read verified local reviews on Google or Nextdoor, and ask for references from homes in Sun Prairie's older neighborhoods or newer subdivisions, as installation challenges can differ. A trustworthy contractor will perform a detailed load calculation (Manual J) specific to our climate, not just recommend the same size as your old unit.

5My furnace seems to run constantly during cold snaps. Is this normal for a Wisconsin winter, or a sign of trouble?

During extreme cold spells common in Sun Prairie, where temperatures can stay below zero for days, it is normal for your furnace to have longer run cycles to maintain thermostat settings. However, if it's constantly running without ever reaching the set temperature, or if you notice a sudden spike in your gas bill, it could indicate issues like a dirty filter, failing component, or an undersized system. Have a professional inspect it to rule out problems and ensure efficient operation.