N967 Quality Drive
Greenville, WI 54942
920-757-9990

Local Reviews

Rated 4.9 out of 5 stars based on 667 customer reviews

Great Service, stand by their work

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Great service

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Great service

Great service, honest, professional, thorough

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Helpful and honest

We got a “lemon” AC unit from another company when we built our house. Black Haak was honest and helpful in trying to repair it, but it the end we needed an entirely new unit. They credited us the repairs they did on the old unit toward the cost of a new one.

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Quick response.

A problem developed in the heating a/c system in one of our rental units. Black Haak took care of it from start to finish. We knew going in that the system was old and might need replacement. It was taken care of quickly and painlessly.

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Great job

The guys did awesome job and very polite

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great sevice

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Great service

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Great Service

I have utilized them over the past few home projects, and have found them to be very reliable, professional and spot on with pricing.

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Job Locations

Kody W.

Kody W. Job Checkin

No cool. The compressor wasn’t running. Found the contactor was burnt up and burned up wires. I fixed the wires and replaced the contactor at no charge since we’ve been out multiple times to fix wires. Cycled the air conditioner. It’s cooling now. The office will call to schedule clean and tune.


Bill W.

Bill W. Job Checkin

Gf and ac installation completed


Anthony N.

Anthony N. Job Checkin

Was here for a air conditioning cleaning. Performed preferred customer air conditioning cleaning. Completed air conditioning cleaning form. Checked the indoor coil for leaks. Air conditioner is starting to get low on refrigerant. System is still cooling. Checked electrical. Electrical is worn. Compressor is homing in the yellow. Unit is 16 years. Recommend a second opinnion with Dan. Office to call to schedule a second opinnion. Unit is running at this time.


Dan E.

Dan E. Job Checkin

Performed AC safety inspection compressor is very loud due to age and wear, contactor is very worn and pressures indicate low on refrigerant. Temperature split is high due to low refrigerant and low fan speed due to diagnosis on furnace from previous visit. Was not able to finish clean and tune due to issues found with AC, average life of these units are 14 years, this unit is 23+ years, due to age, condition, and cost to repair second opinion is recommended. Second opinion scheduled for tomorrow at 830 with Dan F


Evan A.

Evan A. Job Checkin

No cool. The capacitor was bulged and sending improper voltages. I replaced the capacitor. We are scheduled to be here Friday for a cleaning.


Evan A.

Evan A. Job Checkin

No cool, outdoor unit is running and indoor fan is running. I checked the pressures in the condenser and found them very low. I found a large leak on the left side of the evaporator coil by completing an electronic leak search. Due to the age of the unit and cost of repairs, I need to have manager come and go over some options with you. Dan will be here around noon for a second opinion.


Hunter D.

Hunter D. Job Checkin

Performed level 2 package clean and tune. Furnace. Burners, flame sensor, and heat exchanger are showing signs of wear. No cracks located. Combustion analysis test was normal. AC. No leaks detected at indoor coil. Electrical components tested good. Refrigerant charge was normal. Coil is cleaned off. HVAC system is operating normal at this time.


Evan A.

Evan A. Job Checkin

No cool. The capacitor was bulged and sending improper voltages. I replaced the capacitor. We are scheduled to be here Friday for a cleaning.


Evan A.

Evan A. Job Checkin

A changed the 14X25X1 filter in the upstairs. Miscellaneous task is for the Unico filter.


Craig W.

Craig W. Job Checkin

Completed gas furnace and AC replacement, and new humidifier install. Disconnected and removed old furnace. Set new furnace in place and reconnected duct work, venting, electric and gas pipe. Ran a new drain line to floor drain. Installed a new WiFi thermostat and ran new wire to the furnace. Installed a new Aprilaire 600 humidifier and connected to furnace. Recovered refrigerant from old AC and disconnected and removed. Relocated new AC approximately 6’ towards back of house from old location to accommodate a cement slab the customer is having put in. Set on a new pad. Ran a new lineset between indoor and outdoor units and brazed it to them. Filled with 325 psi nitrogen to test for leaks, then evacuated to 476 microns. Released charge and did a complete start up procedure adjusting the charge as needed. Run tested furnace and humidifier but will still need a technician start up. Thank you for choosing Black-Haak heating. Please take a moment to fill out our online survey.


Dan E.

Dan E. Job Checkin

Performed furnace and ac safety check. Furnace. Cycled system. Checked heat exchanger, rusted. Checked and cleaned flame sensor. Found igniter to have deep ware marks, worn. Enter motor bearings are very worn, small leak under ventor found. Checked for co in airstream, none found. Normal levels found in exhaust. System is very worn and in need of cleaning. During check, rollout sensor was damaged. System operating, but office will need to schedule time to replace sensor. AC Used refrigerant sniffer on indoor coil, found indications of leak. Cycled system. Checked electrical compartment. Found both contactor and capacitor to be original and worn. Hooked up gauges and checked pressures and temps. Sub cooling was 33, super heat was 3, coil temp was 41, temp split is 15. Ac in need of full clean and tune. Job complete.


Evan A.

Evan A. Job Checkin

I completed the A/C check that came with the new furnace. I completed an electronic leak check on the indoor coil and didn’t find any leaks. Adjusted the fan speed for the proper CFM. The refrigerant pressures tested out good. Checked over the electrical, the contactor and capacitor have proper voltage. I used my megohmmeter on the compressor leads to check the insulation on the motor windings, they tested in the caution zone. The system is running properly. I recommend annual maintenance to maximize the life of the cooling and heating systems. I left the 16X25X4 filter on the filter box next to the furnace.


Anthony N.

Anthony N. Job Checkin

Performed preferred customer air conditioning cleaning. Checked indoor coil for leaks. Found a refrigerant leak in the indoor coil. Unit is low on r22. Customer was concerned about water dripping from the return ductwork. Found that the return ductwork was full of water up to the filter rack. Drained out water. Checked the electrical. The electrical is worn in the unit. Air conditioner is running at this time. Recommend a second opinnion with Dan. Office to call to schedule the appointment.


Bill W.

Bill W. Job Checkin

An installation complete


Brad G.

Brad G. Job Checkin

Only part of the main floor is cooling. Checked motors on dampers and found the first floor motor motor not opening and not allowing airflow. Recommend replacement of motor for the damper or whole damper assembly depending on what is available. Forced motor open locked it in position to allow cooling to the rest of the main floor until a new motor can be installed. Office will call with damper motor replacement price . Reccomend getting a cleaning to take advantage of a 20% discounts on parts and make sure nothing else could happen this summer. Will put low voltage price towards replacement of the damper if they go with it.