AC Installation & Replacement

AC Installation & Replacement in La Crosse

Amana 5-Star Certified AC Installation for La Crosse & Onalaska

When your air conditioner gives out or reaches the end of its life, you need a credentialed team that can handle the job from start to finish. 608 Plumbing installs and replaces central air conditioning systems for residential and commercial customers in La Crosse, Onalaska, and surrounding communities. We hold Amana 5-Star Certification, carry an A+ rating from the Better Business Bureau, and back every installation with a one-year parts-and-labor warranty.

We’re fully licensed and insured, and our work is grounded in the 80+ year legacy of Y-TRI Plumbing. One La Crosse homeowner told us they saw lower monthly energy costs after we installed a new AC and furnace. They never felt pressured into services or parts they didn’t need. That’s the standard we hold ourselves to on every job.

Ready to schedule your free estimate? Call us today at (608) 610-1355 or reach out online to talk with our team about air conditioning installation in La Crosse.

Signs It’s Time to Replace Your AC System

Repairs make sense until they don’t. If your system is more than 10 years old, it’s likely operating well below the efficiency of current models. That shows up as higher utility bills month after month. Age alone isn’t always the deciding factor, but it’s a useful baseline.

Beyond age, watch for these replacement indicators:

Frequent breakdowns that require repeat service calls within a single season
Rising energy costs that aren’t explained by rate increases or usage changes
Inconsistent cooling from room to room, even with the thermostat set correctly
Unusual sounds or odors during operation that weren’t there before

La Crosse summers bring genuine heat and humidity, and an undersized or aging system works harder than it should to keep up. That strain accelerates wear and reduces comfort at exactly the wrong time. Planning a replacement before total failure puts you in control of timing, product selection, and financing rather than forcing an emergency decision in July. A properly sized system, matched to your home’s square footage and insulation, can provide better performance than an incorrectly sized unit regardless of brand or price.

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Financing Available

We are proud to offer affordable financing through Greensky.

Apply Online

AC Installation & Replacement Services in La Crosse County

We install and service all major makes and models of air conditioning equipment. Our Amana 5-Star Certification gives us particular depth with Amana products, including access to their energy-efficient cooling systems and manufacturer-backed support. Whether you’re replacing an aging unit or installing central air conditioning for the first time, we handle the full scope: system sizing, equipment selection, removal and disposal of the old unit, installation, and testing.

Sizing matters more than most homeowners realize. A system needs to match your home’s square footage, layout, and insulation level. Get that wrong and you’ll see comfort problems and efficiency losses no matter how good the equipment is. We run the load calculation before recommending a system so the fit is right from day one.

We’ve also built our service around removing financial friction:

Free estimates before any work begins, so you can plan and budget with confidence
GreenSky financing for qualifying customers, making a new system accessible without full upfront payment
One-year warranty on all parts and labor
Customer satisfaction guarantee: if something isn’t right, we fix it

We serve residential and commercial properties of all sizes across La Crosse, Onalaska, and the surrounding La Crosse County area.

Energy Efficiency & Wisconsin Rebate Programs

SEER (Seasonal Energy Efficiency Ratio) is the standard measure of how efficiently a central air conditioner operates across a full cooling season. Higher SEER ratings mean lower energy costs over the life of the system. Replacing an older, low-SEER unit with a high-efficiency model can reduce cooling energy use over time, particularly through La Crosse’s extended humid summers.

Wisconsin homeowners may also be able to offset some of the upfront cost through Focus on Energy, the state’s rebate program for energy-efficient home upgrades. Customers of participating utilities may qualify for rebates on qualifying HVAC equipment. Eligibility depends on your utility and the specific equipment installed, so verify both at the Focus on Energy website before assuming you qualify.

The federal energy efficiency tax credits that previously applied to qualifying high-efficiency cooling equipment under the Inflation Reduction Act expired at the end of 2025. If you installed qualifying equipment before that date, a tax professional can confirm what applies to your situation at filing.

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Happy Customers in Your Neighborhood

Our Team Puts You First

“We have been using 608 Plumbing for years and find that their service is consistent and excellent. Their staff are friendly, knowledgable and honest. I rely on them for advice on maintaining and upgrading our heating and cooling systems.”

- Sherrie B.
“Above and beyond service!”
I am beyond impressed with 608 Plumbing. They not only figured out the problem very quickly and efficiently, but took the initiative to come 2 hours earlier -- thinking that my job might take a long time. They definitely went above and beyond their duty and I highly recommend him. Jude is a talented and responsible plumber. Thank you, 608 Plumbing, for having such an excellent employee.

- Malkah Geller
“We are very happy with the service we have received from 608 Plumbing. They are very responsive, have great customer service and the technicians are very knowledgeable.”

- Karrie H.
“608 Plumbing is professional, timely, and personable. They also take the time to explain the issue in a way that helps you make an informed decision!”

- Gail D.
“608 Plumbing installed a new AC and furnace before the summer. I never felt like I was upsold on parts or services. I am extremely happy with the choice to go with 608, and I have already seen savings each month.”

- Jarrett B.
“When our water heater started leaking on Christmas Eve, the owner Joe came over right away. Three days later, we had a brand new tankless water heater installed and they fixed our main drain pipe. Punctual, affordable, courteous, and clean.”

- Brian S.
“We were able to schedule an appointment quickly, the tech was knowledgeable, articulate, and willing to explain different issues very thoroughly. They were able to take care of the problem in a short amount of time. Definitely recommend.”

- Charles A.
“They answer the phone and show up when they say they will. Worth the money if you ask me. Very knowledgable people. Have done many projects with 608 Plumbing and every installer we've had is great. Highly recommend!”

- Paige W.
“Jude and Ethan did a great job fixing my kitchen plumbing! They were efficient, thorough, and very personable as well. After spending a fair amount of time trying to fix it myself, it was great to have them jump in and do the job right.”

- Liz F.

Why Choose 608 Plumbing?

Why La Crosse Homeowners Call 608 Plumbing

We’re not a single-trade HVAC-only shop. Because we combine licensed HVAC installation with full plumbing and sewer capabilities, we can address whole-home comfort needs that a typical HVAC contractor can’t. Founder Joe Gunderson is a master plumber, and his hands-on experience shapes how every job gets done. Our technicians stay current through ongoing training on the latest equipment and installation standards.

Customers regularly point to our responsiveness, affordability, and straightforward approach. When you’re comparing bids, credentials and warranty terms are more reliable long-term indicators of value than the lowest quoted price. Our A+ BBB rating, Amana 5-Star Certification, and one-year warranty give you something concrete to compare against.

Get Your Free AC Estimate in La Crosse or Onalaska

Don’t wait until a breakdown forces the decision. Contact 608 Plumbing to schedule a free estimate for air conditioning replacement in La Crosse, Onalaska, or the surrounding La Crosse County communities. GreenSky financing is available for qualifying customers, so cost doesn’t have to be a barrier to getting the right system installed.

Call (608) 610-1355 or reach out online to get started.

Amana Certified Partner
608 Plumbing is a 5-star certified Amana premier dealer.
Your Satisfaction Guaranteed
We're so confident you'll be happy with our services, we guarantee it.
Financing Available
We are proud to offer affordable financing options through GreenSky.
Licensed & Insured
Entrust your plumbing and HVAC needs to licensed, insured professionals.
Get a 100% Free Estimate
Get started by giving us a call and setting up a free estimate.
Ask About Our Warranty
We offer a one-year warranty on all services and parts we provide for your peace of mind.

Our Expert Services

How Can We Help You?

Schedule Service

Plumbing Membership $39 Per Month
- Water heater flush
- Water filter change*
- Complete plumbing check
- 5% off all plumbing upgrades, installs and services
- Visit every 6 months
Bonus $75 towards a new water heater
Septic Membership $96 Per Year
- Septic system inspection*
- County inspection fee
- 5% off all septic service calls
- Visit every 3 years
Water Softener Salt Membership $25 Per Month
- Replace salt in softener
- Verify softener functionality
- Visit every 2 months
Nuvo® Membership $69 Per Month
- Replace Nuvo® filters
- Visit every 6 months

Contact Us Today

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Areas We Serve

608 Plumbing is proud to serve Viroqua, Wisconsin and other surrounding areas

Bell Center
Boaz
Cashton
Chaseburg
Coon Valley
De Soto
Ferryville
French Island
Genoa
Gothan
Holmen
La Crosse
La Farge
Lone Rock
Lynxville
Mount Sterling
Onalaska
Ontario
Prairie du Chien
Readstown
Richland Center
Soldiers Grove
Steuben
Stoddard
Viola
Viroqua
Wauzeka
West Salem
Westby
Yuba