403 Headquarters Dr. Unit 5
Millersville, MD 21108
(443) 396-3797

Local Reviews

Rated 4.9 out of 5 stars based on 883 customer reviews

Great service

Yes, I was very satisfied with the service on yesterday. Nick did a phenomenal job with servicing the electrical problem and sharing knowledgeable information for future references. I definitely would use the service again.

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Excellent Service!

Extremely professional, knowledgeable, and fixed the problem in no time at all!

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Excellent service very professional

Mike arrived on time and was very professional, explained how work would be done and was very informative about types of install.

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Great Service -

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Excellent service.

Dennis succeeded in promptly troubleshooting and identifying the cause of our electrical issue. He then repaired the faulty outlet, while explaining why it occurred.

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Excellent Service!

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Great

Very capable highly intellent about subjects

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Excellent Service

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Excellent Service!

Very helpful!

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They were wonderful

I was so very happy with the service we received. They guys were quick and professional. Everything was clearly explained and expertly handled. They accommodated our large dogs and ninja cat easily and were very good about making sure everything was safely put back together before they left.

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Very professional, friendly and knowledgeable

Nick was incredibly professional. Very personable and respected the house by cleaning up after the work was completed.

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Excellent Service!

Mike was great! Did an excellent job of checking out the problem and made some repairs at my request. It was great that he was able to come out today and address the issue in my guest bedroom that tripped the switch in the panel.. Now I can sleep a little easier knowing the problem has been checked out. He even took a little time and gave my little doggies the attention they wanted!! Haas and Sons Electrical are the best!

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Best you can find!

We have worked with Nick T. several times over the years. Nick is the best in the business, and Haas & Sons is the best electrical repair company I know of. Besides being pleasant and affable, Nick is professional, efficient, knowledgeable, and honest. He will thoroughly explain what the issues are and how he will repair them. He will go out of his way to satisfy your repair needs.

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Attic Fan Diagnosis - Need New

Very knowledgeable, extremely thorough and pleasure to work with

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Job Locations

Nicholas T.

Nicholas T. Job Checkin

Replace receptacle and stacker switch in bathroom with new GFCI and switch. Terminate aluminum wire with Alummiconns. Install customer supplied ceiling fan. Called out today to troubleshoot a bathroom switch and ceiling fans light that was not working. Upon inspecting the wiring I discovered it to be aluminum. Customer was aware of aluminum wiring throughout home and the dangers it present. The panel is a GE installed in the mid 90s. I saw signs of corrosion on the busbar and brought this to the customers attention, as well as the age and quality of these panels being a concern. I discussed replacing the panel and doing an aluminum remediation of all affected devices throughout the home. Due to the scope of work, a senior technician will need to come out to give accurate solutions. While inspecting the ceiling fan light, I discovered a wire had been pinched and damaged, causing the light kit to not work. There was also a large scorch mark on the motor housing from where the wire h

Replace receptacle and stacker switch in bathroom with new GFCI and switch. Terminate aluminum wire with Alummiconns.  Install customer supplied ceiling fan. 

Called out today to troubleshoot a bathroom switch and ceiling fans light that was not working. Upon inspecting the wiring I discovered it to be aluminum. Customer was aware of aluminum wiring throughout home and the dangers it present. The panel is a GE installed in the mid 90s. I saw signs of corrosion on the busbar and brought this to the customers attention, as well as the age and quality of these panels being a concern. I discussed replacing the panel and doing an aluminum remediation of all affected devices throughout the home. Due to the scope of work, a senior technician will need to come out to give accurate solutions. 

While inspecting the ceiling fan light, I discovered a wire had been pinched and damaged, causing the light kit to not work. There was also a large scorch mark on the motor housing from where the wire h Replace receptacle and stacker switch in bathroom with new GFCI and switch. Terminate aluminum wire with Alummiconns.  Install customer supplied ceiling fan. 

Called out today to troubleshoot a bathroom switch and ceiling fans light that was not working. Upon inspecting the wiring I discovered it to be aluminum. Customer was aware of aluminum wiring throughout home and the dangers it present. The panel is a GE installed in the mid 90s. I saw signs of corrosion on the busbar and brought this to the customers attention, as well as the age and quality of these panels being a concern. I discussed replacing the panel and doing an aluminum remediation of all affected devices throughout the home. Due to the scope of work, a senior technician will need to come out to give accurate solutions. 

While inspecting the ceiling fan light, I discovered a wire had been pinched and damaged, causing the light kit to not work. There was also a large scorch mark on the motor housing from where the wire h

Michael W.

Michael W. Job Checkin

This solution includes the installation of a new customer supplied fixture in the foyer area. We have installed the new foyer light.

This solution includes the installation of a new customer supplied fixture in the foyer area.

We have installed the new foyer light. This solution includes the installation of a new customer supplied fixture in the foyer area.

We have installed the new foyer light.

Cole P.

Cole P. Job Checkin

Job Summary - - Replacement of the Dryer Receptacle - Replacement of a Duplex Receptacle Job Notes - Reason for today’s visit with the customer was a To-Do list. The customer mentioned new installation of smoke detectors, new ceiling fans, replacing devices, and installing a four prong plug for the dryer in place of the old one. The panel is an older Bryant with the cover framed in. I was unable to get it off without tearing out the drywall. Regardless this panel is at its time of replacement and I provided the customer with a quote to replace it. The four smokes were to be installed in the upstairs bedrooms. The three ceiling fans were going to be installed in the upstairs bedrooms except for the primary. Finally the largest concern besides the dryer plug was a burnt up receptacle in the upstairs room to the right of the stairs. After building quotes the customer decided to opt out of the membership and move forward with the installation of a new dryer receptacle and replacing the u

Job Summary -
- Replacement of the Dryer Receptacle
- Replacement of a Duplex Receptacle

Job Notes - 
Reason for today’s visit with the customer was a To-Do list. The customer mentioned new installation of smoke detectors, new ceiling fans, replacing devices, and installing a four prong plug for the dryer in place of the old one. The panel is an older Bryant with the cover framed in. I was unable to get it off without tearing out the drywall. Regardless this panel is at its time of replacement and I provided the customer with a quote to replace it. The four smokes were to be installed in the upstairs bedrooms. The three ceiling fans were going to be installed in the upstairs bedrooms except for the primary. Finally the largest concern besides the dryer plug was a burnt up receptacle in the upstairs room to the right of the stairs. After building quotes the customer decided to opt out of the membership and move forward with the installation of a new dryer receptacle and replacing the u Job Summary -
- Replacement of the Dryer Receptacle
- Replacement of a Duplex Receptacle

Job Notes - 
Reason for today’s visit with the customer was a To-Do list. The customer mentioned new installation of smoke detectors, new ceiling fans, replacing devices, and installing a four prong plug for the dryer in place of the old one. The panel is an older Bryant with the cover framed in. I was unable to get it off without tearing out the drywall. Regardless this panel is at its time of replacement and I provided the customer with a quote to replace it. The four smokes were to be installed in the upstairs bedrooms. The three ceiling fans were going to be installed in the upstairs bedrooms except for the primary. Finally the largest concern besides the dryer plug was a burnt up receptacle in the upstairs room to the right of the stairs. After building quotes the customer decided to opt out of the membership and move forward with the installation of a new dryer receptacle and replacing the u

Nicholas T.

Nicholas T. Job Checkin

- Replacement of the 150 AMP Panel - Installation of a 150 AMP Panel - Installation of two new Ground Rods - Installation of a Surge Protector - Installation of an Exterior Disconnect - Howard County Permit - Redevicing the entire home. This includes proper pigtail terminations of all Switches, GFCI’s, Dimmers, and Receptacles. This is needed due to the home currently having backstabbed devices and older devices that are failing. we returned today and completed the remaining work. We replaced the main panel and insult all new, matching breakers and labeled once complete completed.. Job is now complete

- Replacement of the 150 AMP Panel
- Installation of a 150 AMP Panel
- Installation of two new Ground Rods
- Installation of a Surge Protector
- Installation of an Exterior Disconnect
- Howard County Permit
- Redevicing the entire home. This includes proper pigtail terminations of all Switches, GFCI’s, Dimmers, and Receptacles. This is needed due to the home currently having backstabbed devices and older devices that are failing. we returned today and completed the remaining work. We replaced the main panel and insult all new, matching breakers and labeled once complete completed..
Job is now complete - Replacement of the 150 AMP Panel
- Installation of a 150 AMP Panel
- Installation of two new Ground Rods
- Installation of a Surge Protector
- Installation of an Exterior Disconnect
- Howard County Permit
- Redevicing the entire home. This includes proper pigtail terminations of all Switches, GFCI’s, Dimmers, and Receptacles. This is needed due to the home currently having backstabbed devices and older devices that are failing. we returned today and completed the remaining work. We replaced the main panel and insult all new, matching breakers and labeled once complete completed..
Job is now complete

Nicholas T.

Nicholas T. Job Checkin

Starred Panasonic motor back into the tray and tested. Fan is working perfectly fine. What

Starred Panasonic motor back into the tray and tested. Fan is working perfectly fine. What

Nicholas T.

Nicholas T. Job Checkin

Installation of 4 new wafer style recessed lights in the family room Installation of 2 new wafer style recessed lights in the living room with a new switch added. Installation of 2 new recessed can in the primary bedroom that will be tapped of the 2 existing. Installation of 3 customer supplied camera dimmer.

Installation of 4 new wafer style recessed lights in the family room
Installation of 2 new wafer style recessed lights in the living room with a new switch added.
Installation of 2 new recessed can in the primary bedroom that will be tapped of the 2 existing.
Installation of 3 customer supplied camera dimmer. Installation of 4 new wafer style recessed lights in the family room
Installation of 2 new wafer style recessed lights in the living room with a new switch added.
Installation of 2 new recessed can in the primary bedroom that will be tapped of the 2 existing.
Installation of 3 customer supplied camera dimmer.

Nicholas T.

Nicholas T. Job Checkin

Today we checked power at the primary bathroom GFCI and found that it has proper power. It is, however, the original one from the building in which we do recommend replacing. We provide a pricing to replace the GFCI as well as to install new recessed lights in place of the existing 4 foot fluorescent light in the kitchen.

Today we checked power at the primary bathroom GFCI and found that it has proper power. It is, however, the original one from the building in which we do recommend replacing. We provide a pricing to replace the GFCI as well as to install new recessed lights in place of the existing 4 foot fluorescent light in the kitchen. Today we checked power at the primary bathroom GFCI and found that it has proper power. It is, however, the original one from the building in which we do recommend replacing. We provide a pricing to replace the GFCI as well as to install new recessed lights in place of the existing 4 foot fluorescent light in the kitchen.

Cole P.

Cole P. Job Checkin

We replaced the bad GFCI device. We have included the membership renewal.

We replaced the bad GFCI device. 
We have included the membership renewal. We replaced the bad GFCI device. 
We have included the membership renewal.

Nicholas T.

Nicholas T. Job Checkin

Replaced front gfci Replace smoke detectors in home (5)

Replaced front gfci
Replace smoke detectors in home (5) Replaced front gfci
Replace smoke detectors in home (5)

Nicholas T.

Nicholas T. Job Checkin

Replaced 3 smoke/ carbon monoxide detectors Replaced 4 standard smoke detectors

Replaced 3 smoke/ carbon monoxide detectors
Replaced 4 standard smoke detectors Replaced 3 smoke/ carbon monoxide detectors
Replaced 4 standard smoke detectors

Nicholas T.

Nicholas T. Job Checkin

Replaced switch for dining room recessed lights.

Replaced switch for dining room recessed lights. Replaced switch for dining room recessed lights.

Nicholas T.

Nicholas T. Job Checkin

Installation of ethernet line from the living room router down to the basement office directly below it Installation of new cassette, a smart switch and the dining area for the kitchen light and install a new switch in the kitchen area at the other entrance

Installation of ethernet line from the living room router down to the basement office directly below it
Installation of new cassette, a smart switch and the dining area for the kitchen light and install a new switch in the kitchen area at the other entrance

Nicholas T.

Nicholas T. Job Checkin

Checked wiring at switches and device devices on the living room circuit.

Checked wiring at switches and device devices on the living room circuit.

Nicholas T.

Nicholas T. Job Checkin

Replacement of to 150 amp main breaker panels Installation of all new matching breakers properly sized Installation of emergency disconnects on the outside of the home as well as whole home surge protection in each main panel in accordance with current safety and code requirements installation of new service cable from the point of attachment down to the meter as well as for the meter into the panels. Will install new grounding system, as well as pull electrical, permit and coordinate county inspections, as well as power company final tie in.


Nicholas T.

Nicholas T. Job Checkin

The reason for today’s visit was to look at an exhaust fan that was constantly running and wouldn’t turn off. When we arrived at the home, we immediately noticed that it was a brand new Home. He took us to the powder room bathroom that we noticed it was a Panasonic fan. Once I pulled down the gray to the fan, we were able to tell that it was the type of fan that is supposed to run all the time. I informed the customer that this fan is set to run at a lower speed, all the time to help a circulation in the home. While on site, you then requested quotes to replace some fixtures that they are thinking about purchasing. He also requested a quote to install a light in the office area. Customer will give us a call back once they purchased new lights in the future

The reason for today’s visit was to look at an exhaust fan that was constantly running and wouldn’t turn off. When we arrived at the home, we immediately noticed that it was a brand new Home. He took us to the powder room bathroom that we noticed it was a Panasonic fan. Once I pulled down the gray to the fan, we were able to tell that it was the type of fan that is supposed to run all the time. I informed the customer that this fan is set to run at a lower speed, all the time to help a circulation in the home. While on site, you then requested quotes to replace some fixtures that they are thinking about purchasing. He also requested a quote to install a light in the office area.
Customer will give us a call back once they purchased new lights in the future The reason for today’s visit was to look at an exhaust fan that was constantly running and wouldn’t turn off. When we arrived at the home, we immediately noticed that it was a brand new Home. He took us to the powder room bathroom that we noticed it was a Panasonic fan. Once I pulled down the gray to the fan, we were able to tell that it was the type of fan that is supposed to run all the time. I informed the customer that this fan is set to run at a lower speed, all the time to help a circulation in the home. While on site, you then requested quotes to replace some fixtures that they are thinking about purchasing. He also requested a quote to install a light in the office area.
Customer will give us a call back once they purchased new lights in the future