7790 Central Ave
Pasadena, MD 21122
(443) 396-3797

Local Reviews
for davidsonville, md

Rated 5.0 out of 5 stars based on 4 customer reviews

Great service and experience

Mike was excellent! Great service, friendly, knowledgeable and efficient

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Evasive problem found and solved.

Had one of those 'it only works when the serviceman is here' problems. Fortunately Micheal was able to find the problem and find an effective less costly alternative to the obvious solution of running new conduit. Very satisfied with Haas & Sons overall customer service and Micheal's creative solution that saved us money. Haas & Sons will be our 'go to' electricians for any future needs.

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14-50 plug install for electric vehicle. Great job!

Alex did an excellent quality job installing a 14-50 socket for my new electric Mustang Mach E.

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Another successful installation

This is the third time electricians from Haas and Sons have helped us and we’ve been happy with the results every time.

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Job Locations
for davidsonville, md

Nicholas T.

Nicholas T. Job Checkin

WO-TNFR77775 Customer was having issues with smoke detectors chirping throughout home even after replacing the 9v batteries. After talking to customer we found that the units were almost 10 years old and the older 9v style battery backups. We replaced all 6 units in home with new KIDDE hard wired units with 10 year lithium ion back up batteries. We installed 2 smoke/ carbon monoxide combo detectors in home (1 in foyer and 1 in the basement rec room, and 1 smoke detector in each of the three 1st floor bedrooms as well as one in the unfinished area new the main panel. We also provided a quote for a 240 volt 60 amp charger hook up.


Matt M.

Matt M. Job Checkin

Replace ceiling light in basement room and install support box. Replace outside gfci with new weather resistant gfci and in-use cover. Rewired and fix 4 outside lights by grill.


Alex W.

Alex W. Job Checkin

I ran a 6-3 romex wire from the main electrical panel in the garage up into the rafters then Pvc pipped down the wall and drilled through the concrete into the crawl space Then I supported the wire and drilled into the basement where I drilled holes and ran my wire through the joists over to the position of the kitchen counter top and the new cooktop. Went upstairs and cut a two gang old work box out then drilled to the basement and fished my wires through where I would install a 11 B box for the new whip of the cooktop to be installed I then put a blank plate on the two gang old work box and made my connections in the panel after supporting all the wire throughout my run I labeled the panel and the plate Tested Customer has a 1 year warranty


Michael W.

Michael W. Job Checkin

This estimate includes the repair to the deck and grill circuit. This estimate includes the repair of the existing exterior receptacles. We have repaired the grill and back deck circuit. We have installed a new weather rated GFCI on deck and have installed weather rated plugs at grill location. In addition we have installed new “in use” Weather proof covers. We have also repaired the exterior receptacles on the home. We had to feed the existing back door receptacle with a new line. Junction and splice located underneath back deck. In addition we have provided GFCI protection for all exterior receptacles and garage receptacle. New back door GFCI is outfitted with weather proof “in use” cover.


Larry B.

Larry B. Job Checkin

Removed and replaced 2 light fixtures on main level of home using customer supplied light fixtures. Also disconnected wiring from 2 sconce lights so the boxes can be patched over.


Michael W.

Michael W. Job Checkin

We have installed the 2new customer supplied wall sconces in the living room.


Nicholas T.

Nicholas T. Job Checkin

replace the 2 front sconce lights on the front of the house as well as the 2 on the garage. We will need to install siding blocks for the 2 on the garage. We will also add 2 new sconce lights with siding blocks on the garage (one on the opposite side of the large garage door and one on the opposite side of the side entrance door). We also replaced customer supplied foyer lights as well as moved dinning room chandelier over roughly 1 ft.


Alex W.

Alex W. Job Checkin

I removed a damaged 2 gang box for switches then replaced it with a 2 gang weather proof box and a in use bubble cover and replaced the dimmers. Then I came out of the top of that box and ran 1/2 inch seal tight up the post and over the top of the deck to a weather proof box I installed and installed a weather resistant receptacle Then from the bottom of the 2 gang box I came out of that and installed a weather resistant gfci and a weather proof box. This gfci controls the receptacle for the tv This has a 1 year warranty


Michael W.

Michael W. Job Checkin

We have installed a new dedicated 120V circuit for the new fridge in the garage.


Michael W.

Michael W. Job Checkin

We have repaired the exterior receptacles. We have fed from the dining room receptacle to the front exterior.


Michael W.

Michael W. Job Checkin

We have not identified any loss of power along exterior receptacles yet.


Larry B.

Larry B. Job Checkin

Installed a new circuit for garbage disposal that will be installed at a later date. Ran wire from sub panel in basement through drop ceiling and into sink cabinet. Circuit is protected by a AFCI breaker and has GFCI installed for the receptacle. There is a switch in the cabinet that will power the gfci on and off. Verified proper operation of all completed work with customer.


Michael W.

Michael W. Job Checkin

We have installed a 240V dedicated circuit for an EV charger. Breaker is labeled in panel. In addition we have restored power to the pool heater and replaced the existing breaker with a new one.


Nicholas T.

Nicholas T. Job Checkin

Attic fan motor on the right side gable has burnt up. I replaced motor and it is running perfectly now. Swapped out GFCI in 1st floor powder room with a new customer supplied ivory one.


Alex W.

Alex W. Job Checkin

Run 50 amp circuit in garage for plug in car charger I installed a 50 amp car charger plug. I installed the 1900 box then ran 1 inch pvc up the wall in the garage over the garage doors then converted it over to seal tight. I went in the wall down to the panel. Then I ran my wire through the pipe. I landed my wires on a new 50 amp two pole GFCI breaker. Then installed the outlet. I tested the outlet and the breaker. It’s putting out 240 volts I then spackled any holes created over the panel Customer did not want a surge protector at this time and also didn’t not want us to service the electrical panel. The work I preformed is protected by a 1 year warranty