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Serving Elm Grove · Waukesha County
Furnace and AC repair in Elm Grove, WI
Postwar homes on big lots, many of them remodeled and added onto, with two systems in the larger houses. We find the real cause, show you the readings and give you the price before any work starts.
★ 4.9 on Google · 440+ reviews | BBB A+ Accredited | Wisconsin-registered HVAC contractor | Veteran-owned | Since 2014
About 30 minutes away
From our shop in South Milwaukee
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 Elm Grove homes
Elm Grove grew quickly after World War II and incorporated as a village in 1955. Its zoning keeps houses on large lots, and Watertown Plank Road, laid out in 1848 between Milwaukee and Watertown, is still the main street through the village. Many homes date from those postwar decades and have been remodeled or added onto since, often more than once.
Remodels are where comfort problems hide: a family room or primary suite at the end of a long duct run, or a finished basement that never got proper return air. Larger houses frequently have two systems or zoning, and the second system is usually the one nobody has looked at in years.
What we do in Elm Grove
Furnace repair and replacement, including two-system and zoned homes
Central AC and heat pump repair and replacement
Airflow and return-air fixes for additions, remodels and finished basements
Whole-home humidifiers and duct cleaning
Whole-home humidifiers →
Ductwork, airflow and duct cleaning →
Water heaters, tank and tankless
How we work in Elm Grove
In a finished, well-kept house the install matters as much as the equipment. We measure first and show you the readings, and you approve a flat-rate price before any work starts. Replacements are sized with a load calculation, installed clean, 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
Elm Grove questions we hear most
We have a large home with two systems. Can you service both on one visit?
Yes. We tune both on the same visit, check that each is sized and set up for the floors it serves, and leave one written report that covers the whole house.
Our family room addition is always colder than the rest of the house. Why?
Additions are often hung off the end of a long duct run, or tied into a trunk that was already at capacity. We measure the airflow to the room; the fix is usually duct and return changes, sometimes a small ductless unit, and rarely a bigger furnace.
How fast can you get to Elm Grove?
It is about a 30-minute drive from our South Milwaukee shop. No-heat and no-cool calls get priority, and when you call we give you an honest arrival window rather than a guess.
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
“Had A-1 repair my air conditioning unit and the tech did an excellent job. Very prompt and reasonable pricing. I would recommend A-1 to anyone.”
Robert R. · AC repair · Google review
5 out of 5 stars
“Everyone in this company is amazing. From the honest work, to trying every solution, these guys are pros…”
Christopher S. · Repair · Google review
5 out of 5 stars
“His crew were very polite and knowledgeable. They came and installed a brand new boiler within 5 hours and cleaned up all of their mess.”
Erin H. · Boiler 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: