12221 W. Fairview Ave.
Milwaukee, WI 53226
414-258-4040

Local Reviews
for waukesha, wi

Rated 4.8 out of 5 stars based on 8 customer reviews

Professional service, friendly.

Theo was professional, informative and friendly.

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Great service, awesome advance planning price

Thanks for keeping our air conditioning in tiptop shape. The call this morning about regular maintenance came at a good time, and your arrival fit into my day perfectly. I'm grateful for your willingness to be careful so our bunny doesn't trip you and to step over the bunny board that keeps her in her part of the house. Thank you for keeping track of our maintenance agreements so we can keep receiving your excellent service at an agreeable price.

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Saved the Day

Great, fast service when we ran in to a plumbing situation when installing our kitchen floor

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Fast service

Got quick service that same day

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great service

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Fast and Professional

Fast and respond Sive service, technicians were very professional.

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Highly Professional and Courteous Service

We had a pipe spring a leak at 9:00 pm on Friday. I called Blau Emergency Service and within 15 min they called back...ready to come out and make the repair. We delayed the service until Saturday morning by shutting off the water. We were told Blau would call back first thing Saturday to schedule the service call. At 7:15 we received the call and were told we would be one of the first appointments of the day. Within two hours, Dave the technician, arrived and within minutes knew what had to be done, provided us with a detailed estimate and thorough explanation of what work needed to be done. The whole repair process took a little more than two hours. During that time, Dave was communicative about some alternate work that was needed, courteous and very professional about his work...while maintain meticulous attention to the cleanliness of the area in which he had to work. We were extremely pleased with the overall service Dave and Blau as a company provided. We have used Blau in the past and would have no hesitation calling them again for any work needed. We have also highly recommended Blau to our three married sons and several of my friends and neighbors. Thanks for the great service!!

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Great System, Great Company

I would definitely hire Blau for all future service needs

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Job Locations
for waukesha, wi

Dave L.

Dave L. Job Checkin

Drained air over water non bladder style pressure tank and refilled. Options given for better equipment and design.

Drained air over water non bladder style pressure tank and refilled. Options given for better equipment and design.

Theo M.

Theo M. Job Checkin

Adjust refrigerant level and inject die into system on Central AC


Dave L.

Dave L. Job Checkin

Furnished and installed Bradford White gas water heater

Furnished and installed Bradford White gas water heater

Chuck S.

Chuck S. Job Checkin

Clear sewer line. Ran 80' of 5/8" cable. Stoppage around 30'-35'.


Dave L.

Dave L. Job Checkin

Disconnected sump pump discharge piping from sanitary drain and diverted discharge to back yard. Replaced leaking valve serving outside hose bibb.

Disconnected sump pump discharge piping from sanitary drain and diverted discharge to back yard. Replaced leaking valve serving outside hose bibb.

Theo M.

Theo M. Job Checkin

Replaced valve after water meter.

Replaced valve after water meter.

Theo M.

Theo M. Job Checkin

Extend shower riser pipe and install customer’s faucet cartridge.

Extend shower riser pipe and install customer’s faucet cartridge.

Theo M.

Theo M. Job Checkin

Replaced relief valve, drains expansion tank, replace circulater pump.

Replaced relief valve, drains expansion tank, replace circulater pump.

Dave L.

Dave L. Job Checkin

Installed Trane XR95, Aprilaire 2210 media filter, and new return air ducting.

Installed Trane XR95, Aprilaire 2210 media filter, and new return air ducting.

Joel S.

Joel S. Job Checkin

Cleared plugged kitchen sink and tightened P Trap


Theo M.

Theo M. Job Checkin

Repair broken pipes, cleared Lavatory drain, replaced several components at gas boiler


Theo M.

Theo M. Job Checkin

Check operation of furnace


Kyle N.

Kyle N. Job Checkin

Xc95m Trane furnace installed with an electronic air cleaner

Xc95m Trane furnace installed with an electronic air cleaner

Theo M.

Theo M. Job Checkin

Replaced bad thermostat and cleaned furnace

Replaced bad thermostat and cleaned furnace

Theo M.

Theo M. Job Checkin

Checked water heater, replaced inoperable valve after water heater

Checked water heater, replaced inoperable valve after water heater