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Duvall Corp

Electrical Baseboard or Wall Heater - Repair, Central A/C - Install, Central A/C - Service or Repair,

About us

We are a family owned and operated business located in Manassas Virginia. Four generations of family members have help build and maintain this company for over 30 years! We stand behind all work done 100% guaranteed. We strive for customer satisfaction and by doing that we treat every home like its our own.

Business highlights

Emergency services offered
49 years of experience

Services we offer

Heating & Air Conditioning, Residential & Commercial Repairs - Plumbing

Amenities

Emergency Services

Yes

Free Estimates

Yes

Accepted Payment Methods

  • CreditCard
Reviews
4.864 Reviews
Number of StarsImage of DistributionNumber of Ratings
5
92%
4
3%
3
2%
2
3%
1
0%
Showing 1-25 of 64 reviews
Charles C.
Nov 2022
5.0
Yes, I recommend this pro
They were professional and on time.

Daniel M.
May 2021
5.0
Yes, I recommend this pro
Amazing. I requested a quote for a replacement of my entire HVAC system. When they determined they were so booked up that it would be a little bit before they could replace it, they asked if anyone had tried to repair it for me first (its very old, so the answer was no). They took the unit apart, figured out quickly it was a fuse and a capacitor that had blown, and repaired it for me. I tried to pay them, but they didn't accept. These guys are a class act, and they moved to the top of my list for all HVAC equipment-

W M.
May 2018
5.0
Yes, I recommend this pro
$600
Everything went per plan, price, and schedule and my high efficiency furnace is still working great. Technicians left the basement area, and the interior of my furnace, clean and neat. Technicians explained everything about the problem and repair in terms I understood. Technician actually called me first and arranged to arrive ahead of schedule.

Elizabeth B.
Mar 2018
5.0
Yes, I recommend this pro
$10,692
It went VERY well. Duvall Corporation is family owned and two generations of the family, along with two other technicians, came to my house and worked for two days to do a SUPER job in tearing out the old mechanicals and putting in my new HVAC and water heater. These folks now have a customer for life in me. I give them my BEST review. Punctual, respectful, nice, know their business and products and are tidy, too! Thank you, Duvall Corporation!!

Carolyne S.
Jun 2017
5.0
Yes, I recommend this pro
$210
We have always used Duvall, I would use them again.

Melford M.
Jun 2017
5.0
Yes, I recommend this pro
I would use them again.

Brenna S.
May 2017
5.0
Yes, I recommend this pro
$260
Great guys...very personable...very helpful with future work needed

Joseph O.
Apr 2017
5.0
Yes, I recommend this pro
Went very well. They were on time every day and cleaned up at the end of each day. Friendly and curtious.

Marlene M.
Apr 2017
3.0
$760
Did not show respect by not having or refusing to use shoe guards on light colored carpet. Two spots of dirt were left on the carpet as a result. Changed insides of toilets and they are much more quiet. Told me what to order to repair sink. Said the house water pressure valve was leaking. I agreed to have it replaced. At his urging he reduced the water pressure for the house. I hated the low pressure and the fact it would still cost $125 just to come out and fix the sink leak and having no cold water.

Patricia S.
Feb 2017
5.0
Yes, I recommend this pro
They are fantastic. They have always been fair and reasonably priced.  Everything they've ever done has turned out well.

Diane B.
Nov 2016
5.0
Yes, I recommend this pro
unknown

John S.
Oct 2016
5.0
Yes, I recommend this pro
Quick and efficient service

Valerie R.
Sep 2016
5.0
Yes, I recommend this pro
unknown

Allison P.
Aug 2016
5.0
Yes, I recommend this pro
unknown

William R.
Aug 2016
5.0
Yes, I recommend this pro
.

William R.
Aug 2016
5.0
Yes, I recommend this pro
.

William R.
Aug 2016
5.0
Yes, I recommend this pro
.

William R.
Jun 2016
5.0
Yes, I recommend this pro
unknown

Helene W.
May 2016
5.0
Yes, I recommend this pro
unknown

Melford M.
Apr 2016
5.0
Yes, I recommend this pro
unknown

W S.
Jan 2016
5.0
Yes, I recommend this pro
$125
Please see above.

John S.
Sep 2015
5.0
Yes, I recommend this pro
$2,500
unknown

Roberta D.
Sep 2015
5.0
Yes, I recommend this pro
$300
Great work

Deborah D.
Aug 2015
5.0
Yes, I recommend this pro
$250
We called for emergency service on a weekend. The guys arrived faster than expected. The service tech was upfront about the costs of the emergency work. When they got to our house they found the problem quickly and made the repair. The price was less crazy than we thought and they were fast and smart about finding the source of the problem. I had used a different company for a previous problem and watched that guy stretch a less than one hour visit in to a 2.5 hour call. These guys didn't fool around. I'm very glad we called and our water was back on quickly.

Betsy W.
Jun 2015
5.0
Yes, I recommend this pro
$250
unknown
Showing 1-25 of 64

Licensing

State Contractor License Requirements

All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our Find Licensing Requirements page.

*Contact business to see additional licenses.

FAQ

Duvall Corp is currently rated 4.8 overall out of 5.

Duvall Corp accepts the following forms of payment: CreditCard

Yes, Duvall Corp offers free project estimates.

No, Duvall Corp does not offer eco-friendly accreditations.

No, Duvall Corp does not offer a senior discount.

Yes, Duvall Corp offers emergency services.

No, Duvall Corp does not offer warranties.