1901 Inc.

HVAC contractor in Madison, WI.

In the words of 1901 Inc.

1901 Inc. is a MEPF (mechanical, electrical, plumbing, and fire protection) contractor serving customers in Wisconsin and across the Midwest. We design, build, install and service MEPF Systems for commercial, institutional and industrial applications.

Trade

HVAC contractor

Business address

2801 Syene Rd, Madison, WI 53713

Telephone

(608) 308-1901

Website

1901inc.com

Hours

Monday7:00 am - 4:30 pm
Tuesday7:00 am - 4:30 pm
Wednesday7:00 am - 4:30 pm
Thursday7:00 am - 4:30 pm
Friday7:00 am - 4:30 pm
SaturdayClosed
SundayClosed

From the business's Google listing, checked Oct 2026

Register

WI register

Recorded as supplied and as found in public sources. This register makes no credential or quality claim about any business; check license status with the state board.

Google Reviews

4.2 (55)

1901 was able to determine our issue when no one else could. I'd recommend them, they can be quite pricey however.

Kurt H.
I encourage everyone, but especially small business owners, to steer clear of 1901. If your general contractor chooses them as a sub, ask for another option. They made so many costly errors in our large commercial HVAC system install and gaslit us when we called when things began to break down, trying to say it was our error. Eventually they did admit to their errors. Instead of making things right with their customer, they will spend money on lawyers and drag out any correction or compensation. This has been a nightmare for our small business and for our family.

Danika L.
Absolute terrible experience with 1901. Completely installed a very large commercial system incorrectly and has caused an insane amount of issues, money, and uncomfort. Their own technicians admitted they installed it wrong, their General Contractor said it was wrong, and 3rd party independent experts have called it wrong. Instead of standing by their work and helping to remedy the situation they just kicked it over to their insurance company and play the legal game. Costing their customer more time and money. Don't walk, RUN away from this company. SO many better options and everything they say is a lie

Tim V.
I used 1901 for a commercial project. Beware. DO NOT USE THEM. FIND ANOTHER FIRM AT ALL COSTS. I have done commercial builds for 25 years, and I have never had a firm fall as flat as they have. They claimed expertise and experience, but at every turn, their work did not match their words. We are 4 years in, and we still do not have a working HVAC system, despite cutting them a nearly $1M check and giving them dozens of chances to rectify their issues. We did our best to work with them to allow them to fix their issues, but they wouldn't. We've given them years to fix these problems before going to public channels. As a small business owner myself, this is the last thing I want to do. But, all 1901 could do is sit in meetings with us and say what a great firm they are. Here is guest at our most recent function, sweating, from the failed workmenship of 1901.

nic M.
Driving aggressively on Monona dr on Sunday May 3rd what's so important???

Diane D.
Professional people, great quality and craftsmanship, fair prices. All in all a great experience having them do the work.

Matthew K.
I have been using 1901 to service our HVAC systems for several years now. I have been working with Ryan and when he comes to do service, or pm's, on our units, I know he will find and recommend any repairs that are needed. When the repairs are done, the units will run all season without any problems. If a unit should happen to break down, with a phone call Ryan is right there to repair and get it back running again. 1901 may be a little more in price than some other companies, but I can trust their work and know it is done right.

Larry D.
Our conference center was in full swing when the cooling system went into alarm. 1901 Inc. sent technician Dave D. the same morning, and after diagnostics were complete, we were fortunate all parts were available same day. Dave was very considerate toward our needs. Recognizing we had a full house, his work was timely, clean, and accurate. The cooling system recovered instantly and is now running smoothly. I have been in the mechanical field for 30+ years, and this is what we call “a good day.”

Will S.
I think their insurance company should be concerned how 1901 technicians are driving the company's vehicles

John W.
I would absolutely recommend 1901 Inc. for any of your construction needs. We had a few issues with the plumbing in our 1918 house, and it was swiftly resolved. Dan Powell, the service manager, determined the fix and sent Steven, the 1901 service plumber to work his magic. Steven was professional, efficient, and did a top-notch job.

Elizabeth B.
Would not recommend. My family has used them for 20 years and the last bill we received from them for an AC and furnace cleaning and check was 3 times what it was in 2022. There was nothing wrong and no repairs were needed on either item. Hourly rate only had a small, reasonable increase; but what took 1 hour two years ago apparently took 3 hours in 2024?!? I would have expected 1-2 hours, but not sure how it took 3 hours. We were so disappointed, as they had served us well for a long time and the technician was courteous and friendly.

Sandra S.
They had the job done in no time flat! Give Sam Clammer a raise.

Sam
Working with Maggie was great. This company cares about their community and the people in it.

M S.
Good.

Rob N.
1901 should be your go to for HVAC and Plumbing needs. They also started an electrical division and as a former employee I know that the electrical department will not let you down. From the employees to the service you will receive, this is the right choice for you or your businesses needs!!

Jake L.
This company totally rocks. They helped me get my AC fixed on Memorial Day when I could not get others to even answer the phone. Very family oriented company with a very kind and understanding staff. They even offered to help me over the phone if needed. Very very satisfied. Highly recommended. A+++

Alfred H.
Our A/C needed to be replaced during the hottest week of last Summer and our Hot Water Heater in the coldest of days this Winter. Preston and Dwight always do amazing work and they are great people.

Ed A.

About 1901 Inc.

MEPF systems in Madison

1901 Inc. is a mechanical, electrical, plumbing, and fire protection contractor. The company says it designs, builds, installs, and services MEPF systems for industrial, institutional, and commercial applications. It also describes its capabilities as a building systems solutions firm specializing in air conditioning, mechanical, and plumbing systems for residential markets.

Utility gas accounts for 67% of heating in Madison, according to the American Community Survey. The area has a mean temperature of 46.6 degrees F based on NOAA normals.

Service and reviews

The company provides maintenance services alongside its installation and design work. It operates Monday through Friday from 7:00 am to 4:30 pm. The business has a 4.2 rating from 55 reviews.

Reviewers have mentioned several different experiences. Some customers report successful repairs and timely service during system alarms. Other reviewers describe significant issues with large commercial HVAC installations and disputes regarding project corrections. One customer noted that service costs for routine cleaning increased compared to previous years.

Midwest coverage

While based in Wisconsin, the company says it serves customers across the Midwest. Its work encompasses mechanical, electrical, and plumbing systems for a variety of sectors. The firm handles both large scale industrial projects and residential plumbing needs.

Services, brands and warranty details come from the company's own website. Ratings, hours and reviews come from Google. Town figures come from the US Census and NOAA.