Decouple two coupled doors and replace the opener with separate openers.

- I have two doors coupled with lumber operated by one opener
- decoupled the two doors, the axis
- install opener railings
- removal of old railing and two separate DC motor opener
- whole project completed in 3 hours

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Garage door repair

One of my garage door stuck when opening and closing. I tried with lubricant, but it did not help. I read the reviews on HHY and called National Door. The guy came to my house on time and checked the issue on my garage door. He found the problem that the door panels are loosed, and solved it very quickly.
He also had a check on the other garage door for me to make sure it also worked.
All jobs were done within one hour, and he impressed me with his professional skills. Of course, he also told me the knowledge how to maintain the garage door well, and that is really helpful for me.

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Fix the broken garage door

The response is very fast, estimate is accurate, and the damage was fixed in the same day. Fix expense is very competitive.

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Fixed a garage door stuck issue, replaced 2 old springs and 2 sheaves, added one safety cable

One of my garage door couldn't open in Thur. evening, it opens 5 inches and stuck, I tried to manually open it but stuck at the same point.

Called NDI the next day morning, all their technicians were booked out but luckily Dan had bandwidth to come over. He fixed problem on the opener chain then door can be opened manually. It took him another 0.5 hr to adjust to get whole system works smooth. He ends up a conclusion it was installed by unprofessional. Upon my request he replaced 2 spring (23~28yr old) and 2 sheaves and added 1 safety cable. He nicely tuned up all my doors. Satisfy and recommend his work.

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Changed both springs for one garage door; replaced lift and safety cables; installed handles on the inner side of two garage doors.

One spring of a garage door broke in the morning. I contacted National Door on their website in the evening. Dan called me back the next morning and asked a few details. Then he said his service team is booked up but he could come in a hour himself, and he gave me a quote around $300 for both springs for one . His review was very good so I agreed.

He arrived after a little more than 1 hour and started working immediately. He told me I could feel free to watch. My garage doors didn't have handles inside, so he first installed them for me, also to make his work more convenient. Then he noticed that the original lift cables and safety cables were not standard gauge, nor were they installed properly. So he detached them, installed proper ones for me and installed two new springs. He also inspected my garage doors, tightened the screws on the doors and lubricated all the wheels.

The entire process took about 1 hour. Dan was polite, knowledgeable and skilled. I'm very satisfied by his work and would recommend him to anyone with similar needs.

PS. Dan has 1 year warranty on his labor, but he was confident they won't fail for many years.

The price was a bit high if it were only for replacing two springs. However, considering he also replaced and corrected all the safety cables, lift cables and some worn-out wheels, installed handles, tightened screws and lubricated wheels, without raising the price at all. I feel it's very good deal.

Torsion Conversion (details see picture)

Dan is very nice and easy to work with. It took him about 1.5 hrs. He works very efficient and willing to answer all your questions. Good work!

Feel a little bit expensive, but since he came to my house twice, has to drive during rush hours and responded really quick, it is basically worth the money.

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Replace a broken torsion spring

The torsion spring got broken on Friday afternoon after working for 26 years without problem. It was not a big problem since the main impact was that I couldn't park my car in one of the garages. So I sent emails to both companies for quote on Friday night. The next morning I got phone call from Dan who asked a few questions and then I sent him a picture. He gave me the quote on the phone and we made an appointment around 11:30. He arrived around 12:30 but he called around 11:45 and made apology. He came and asked me to feel free to watch it. I asked a few questions and he shared his knowledge. He worked very efficiently and fast. It was done in half hour. I asked him if he can replace the other torsion spring since it was original. He asked for $100 ($40 for material $60 for labor)for that and I agreed. It was another half hour. Again it was done fast and efficiently. Dan is the owner and he has been working in this industry for 30 years. I guess that he is really good at what he is doing.

Considering it is half hour job per spring(others might take longer) it is a little bit expensive