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TRUSTED BY NASHUA, NH HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon972
    Verified roofing services reviews

Top-Rated Roofers in Nashua - Updated Nov 2026

Avatar for On Top Roofing
On Top Roofing
4.6(
179
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - RepairAsphalt Shingle Roofing - Install or Replace - For Business+26 more

Serving Nashua, NH and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"On Top Roofing is Top of the Line Roofer. Professional delivery with solid quality! Company was hired to correct the issues caused by a prior roofer whose incompetence has cost me additional thousands in repair. On Top Roofing installed a ridge vent that the prior roofer only placed on the roof, re-flashed the chimney where prior roofer failed to install to match new rook lines, re-surface flat rook where prior roofer ignored. In addition, On Top Roofing was used on apartment buildings to help close up the roof and eliminate a bat problem. On the Top Roofing is the only roofing company to use. It takes a while to get on their schedule, but they show when they say the will and do the job they say they will do. Only hire On the Top!! You will not regret."
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+11

Response time11 hrs
Response rate100%
4 neighbors recently requested a quote
Avatar for Ranch Roofing
Ranch Roofing
4.7(
693
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or Replace - For BusinessFlat, Foam, or Single Ply Roofing - Install or Replace+7 more

Serving Nashua, NH and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"I recently had Ranch Roofing install a new roof on my home and I am so grateful I chose them! I honestly cannot say enough good things about this company. From the very beginning, when I was searching for a roofing company, choosing a shingle color, and asking questions (since I know very little about roofing), the entire experience was wonderful. They were patient, knowledgeable, and always took the time to answer my questions and make sure I understood everything. The process was easy and stress-free. On installation day, the crew arrived, put up the tarps, and got right to work. The old roof came off, the new roof went on, and the results are absolutely beautiful! I chose Onyx Black, and I am so glad I did. It looks sharp! The new intake vents and ridge vents were also installed, and everything looks amazing. I had read about their reputation and how they stand behind their work, which gave me confidence in choosing them. They certainly lived up to that reputation. They are wonderf"
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+2

Response time10 hrs
Recommended by97%of homeowners
Avatar for Nick Tracey Roofing
Nick Tracey Roofing
4.7(
26
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or ReplaceFlat, Foam, or Single Ply Roofing - Install or Replace+2 more

Serving Nashua, NH and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"Nick and his crew did a great job on my roof. Professional service, great communication, quote was well detailed with exactly what was being done and what materials were being used. Do yourself a favor and contact Nick Tracey roofing When you need a quote and great service. Brian"
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+7

Response time2 days
17 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for RB FARINA ROOFING & CONSTRUCTION, INC.
RB FARINA ROOFING & CONSTRUCTION, INC.
4.2(
80
)
Asphalt Shingle Roofing - RepairAsphalt Shingle Roofing - Install or ReplaceFlat, Foam or Single Ply Roofing - Repair+19 more

Serving Nashua, NH and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"I first called another roofer who never came inside to look at the stains or went up on the roof. That roofer said by visual inspection he could tell I did not need a new roof and his company only dealt with replacements. But, he hazarded a guess at what was wrong and said if anyone actually went up on the roof, it would cost around $800. I then called Farina who scheduled an estimate; they arrived on schedule. The gentleman came inside and took pictures of the stains. I received an estimate about a week later and was asked to agree to it or not by email. I agreed and about another week passed and they showed up at my house to do the work, again going inside first to look at where the stains were. The actual work took less than an hour-so far, so good. Assuming that the leak is fixed, the only thing that could have been better was if I was told beforehand when they would do the work, instead of their just showing up. Luckily, I was home."
commercial TV RB Farina Roofing Co
commercial TV RB Farina Roofing Co
commercial TV RB Farina Roofing Co
commercial TV RB Farina Roofing Co
commercial TV RB Farina Roofing Co

+32

39 neighbors recently requested a quote
Recommended by84%of homeowners
Exteriors Unlimited, LLC
5.0(
31
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or Replace - For Business

Serving Nashua, NH and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"The work was done by conscientious, detail oriented professionals. The site was kept safe and clean during the job. I would not hesitate to recommend Exteriors Unlimited to anyone looking for roofing or other exterior work. I even booked them to re-side my house which was completed with the same meticulous attention to detail."
Billerica Project
Response time9 hrs
Response rate90%
1 neighbors recently requested a quote
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Roofing FAQs, answered by experts

Venting a gas water heater out of the roof is preferable in most cases. Heated exhaust gases naturally rise, so a vertical vent pipe is efficient. If you’re trying to vent through a pipe exiting a wall, the angle of the pipe may be more horizontal than vertical, making the venting system less effective. If you go through a wall, you may need to add a fan to ensure a successful expulsion of the gases outdoors.

Chimney crowns are located above the final brick layer at the top of a chimney. It’s important to get regular chimney maintenance and inspection, because it is near impossible to spot chimney crown damage without getting on your roof.

Roof leaks develop quickly and can cause serious damage to your house and in extreme cases, quite nearly ruin it. Roof leaks have been known to affect even the foundations of a home, so taking care of any issues as soon as they pop up—or even before—is of the utmost importance.

While you can technically install TPO roofing over an existing roof, it isn't always wise to do so. The more layers of material you add to your roof, the more weight it must support. You may also develop moisture issues by covering your existing roof with TPO. Your local building codes and regulations may actually require you to remove the existing roof before adding TPO, so check with your local municipality.

Yes, capped chimneys should still be vented. Failing to vent a chimney will result in condensation buildup inside the chimney, which commonly results in mold growth. If mold begins to grow in a chimney, it frequently goes undetected and spreads quickly through the home. Mold and moisture can damage the structural integrity of your home, and exposure to mold can cause discomfort and illness in residents.

The Nashua, NH homeowners’ guide to roofing services

From average costs to expert advice, get all the answers you need to get your job done.