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Serving Oconomowoc · western Lake Country
Furnace and AC repair in Oconomowoc, WI
Lake houses on Lac La Belle and Oconomowoc Lake, older homes near downtown and newer subdivisions at the edges of town. We plan the visit, find the real cause and quote a flat-rate price before any work starts.
★ 4.9 on Google · 440+ reviews | BBB A+ Accredited | Wisconsin-registered HVAC contractor | Veteran-owned | Since 2014
About 50 minutes away
The western edge of our service area
Same-day in most cases
No-heat and no-cool calls get priority
Flat-rate price first
You approve the number before work starts
24/7 emergency line
Rings Mike’s cell, nights and weekends
What we see in Oconomowoc homes
Oconomowoc grew up around its lakes, Lac La Belle, Fowler Lake and Oconomowoc Lake, where large houses went up in the resort era. Today that means big lake houses, older homes near downtown and newer subdivisions on the edges of town, often within a few minutes of each other.
Larger lake homes may have several systems, zoning or a boiler, and the equipment is frequently tucked into a tight mechanical room. Older homes near the downtown lakes can heat with radiators and cool with add-on systems, while the newer subdivisions mostly have builder-grade forced air reaching replacement age.
What we do in Oconomowoc
Furnace and boiler repair and replacement
Central AC and heat pump repair and replacement
Zoning and multi-system service for larger homes
Ductless mini-splits for sunrooms, additions and lake rooms
Water heaters, humidifiers and duct cleaning
Water heaters →
Whole-home humidifiers →
Ductwork, airflow and duct cleaning →
How we work in Oconomowoc
It is a longer drive for us, so we plan the visit: tell us the brand and what the system is doing when you call, and we bring the likely parts. You still get the readings, a flat-rate price before any work starts, and installs that are sized, permitted when the work requires it and tested at startup.
Emergency right now? Call or text 414-595-5175, any hour.
Request service or a free replacement estimate
We call you back during business hours. You get a flat-rate price before any work begins, and repairs are guaranteed for one year, parts and labor.
Rather pick a time yourself? Book a tune-up, free estimate or repair visit online, any time of day.
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Nearby areas we serve
The shop
3206 9th Ave, South Milwaukee, WI 53172
Installs, estimates and non-urgent repairs: Monday to Friday, 7 a.m. to 5 p.m., weekends by appointment. Emergencies: 24/7, any day.
How it works
What happens when you call A-1
1
You call or text, any hour
A person answers 414-595-5175, not a call center. We ask a few quick questions and give you a real arrival window, not a guess.
2
We find the actual problem
We test before we replace anything and show you the readings, so you can see what failed and why.
3
You approve a flat-rate price
You get the price before any work starts, with repair and replacement options in writing when both make sense. No hourly surprises.
4
We fix it, test it and clean up
Most repairs are finished on the first visit. We test the system, clean up after ourselves and explain what we did.
Good to know
Oconomowoc questions we hear most
Is Oconomowoc really in your service area?
Yes. It is about 50 minutes from our South Milwaukee shop, at the western edge of where we work. The service call costs the same as anywhere else we work ($99 on weekdays, $179 nights, weekends and holidays), and the repair is a flat-rate price you approve first.
Do you service larger lake homes with more than one system?
Yes. We service each system on the same visit, check the zoning and controls, and give you one written report with what needs attention now and what can wait.
Can you add cooling to an older home that heats with radiators?
Usually with a ductless system, room by room, or an attic air handler where the house allows it. We look at the house first and price the options side by side.
Reviews
What our customers say
Word-for-word excerpts from Google reviews, names shortened. Overall: 4.9 stars from 440+ reviews.
5 out of 5 stars
“My new Lennox Central Air unit was put in after removing the old one in such a short period of time! A-1 has the best prices too!!”
Jenny S. · Lennox central air install · Google review
5 out of 5 stars
“My experience was great with this company. I had a lot of questions and Mike was able to answer all. … Also, they provise a wonderful warranty. Comminication was spot on throughout entire process.”
Jill M. · AC purchase · Google review
5 out of 5 stars
“They were quick, professional, and paid great attention to detail throughout the entire process. My AC and heater were replaced efficiently, and everything was done with care and quality workmanship.”
Michaela M. · Furnace and AC replacement · Google review
Read them all on Google
These are a few highlights. Google shows every review, including the critical ones, and we reply to them. Judge us by the whole record.
Ready when you are: