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TRUSTED BY MONTCLAIR, VA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon48
    Verified water heater services reviews

Top-Rated Water heater pros in Montclair - Updated Nov 2026

Avatar for Fred's Plumbing & Heating
Fred's Plumbing & Heating
5.0(
22
)
Water Heater - Install or ReplaceTankless Water Heater - Install

Serving Montclair, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"I highly recommend Fred's Plumbing! They promptly gave me a quote that was significantly better than any of the others I received for a new hot water heater. They were quick, pleasant, and did good work. No high pressure sales or price gimmicks. I'll definitely hire them again."
Inspection report
Electrical Project
Additional Photos
Additional Photos
Additional Photos

+16

Response time2 days
Response rate100%
2 neighbors recently requested a quote
Avatar for Mermaid Water II
Mermaid Water II
4.9(
93
)
Water Heater - Install or ReplaceTankless Water Heater - InstallWater Heater - Repair or Service

Serving Montclair, VA and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"Mermaid Water responded quickly to come out and test our water. The lab results indicated that the water was not safe to drink but Mermaid Water was quick to offer solutions and install the system. The water is now clean and safe to drink again, and the quality of work performed by Jay was fantastic. This company should be your choice if you want honest, knowledgeable, transparent, and friendly service!"
Kinetico Non-Electric Water Softener
Kinetico Non Electric softener / filter
Kinetico Reverse Osmosis
Commercial Kinetico
Water Softener Install

+1

Response time7 hrs
Response rate86%
9 neighbors recently requested a quote
Avatar for SwiftPro Heating, Cooling & Plumbing
SwiftPro Heating, Cooling & Plumbing
4.6(
117
)
Tankless Water Heater - InstallWater Heater - Install or Replace

Serving Montclair, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"We had a great experience when SwiftPro completed a dryer duct cleaning and a bathroom fan replacement at our home! They were on time, professional, and friendly. Moises also threw in a much-needed bird cover for our dryer vent to help prevent future issues. We highly recommend Tyler, Moises and the SwiftPro team for all of your HVAC and plumbing needs!"
Tri-County Feeds
Trane Odyssey unit
Attic air handler
Old Armstrong AC
R-22 data plate

+29

Response time4 hrs
Response rate100%
Recommended by43%of homeowners
Avatar for DB's Plumbing & Drain
DB's Plumbing & Drain
4.8(
194
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Montclair, VA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Fine. I had no issues. They got out to the house very quickly, within several hours of request, they were quick with no added charges or time, and the estimates that were requested (replacement of water heater) were explained thoroughly."
Sewer replacement Inside and out
Team at our new locations ribbon cutting
Expansion tank with new venting
New pipe continued
Whole house re pipe

+212

Response time12 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for McCarthy Services MD
McCarthy Services MD
4.2(
385
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Montclair, VA and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Emergency services offered

"Mr. Brian Langford made all the arrangements with the installation of our gas hot water heater from Lowe's via McCarthy plumbing. He was extremely helpful,patient, professional and available to answer all questions. Due to his approach to his work, we will be working with both companies in the future. Only concern I have is the warranty between Lowe's and AO Smith Hot water heaters. Once the heater is installed, Lowe's severs ties. If there is a problem with the hot water heater, you cannot return it to Lowe's although it was purchased through them, this is clearly stated on the Hot water heater in bold writing."
Installing a new A/C system.
Recommended by87%of homeowners
Avatar for Done Rite Services
Done Rite Services
5.0(
16
)
Tankless Water Heater - InstallWater Heater - Install or ReplaceWater Heater - Repair or Service

Serving Montclair, VA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"We called DoneRite after the water heater replacement company fiddled with the Town’s water supply end and somehow caused a blockage that shut off water supply coming into our house. Willis and his assistant arrived promptly and were confident in their assessment of the situation and their proposed solution. They were courteous in their interactions and also said that if their solution did not work then they would not charge us. The Town had informed us the previous day that they should be contacted first to come and shut off the Town end of the supply for any repair work. Willis was respectful of this request from us and waited patiently for half an hour for the Town to send their people. Willis suggested a replacement for our main water valve (which was very old and stuck), and also got our water supply back quickly. They also ensured that they had our new water heater turned on and running before leaving. We will not hesitate to contact Willis for any of our plumbing needs."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+22

Response time1 day
Response rate100%
Recommended by66%of homeowners
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Water Heaters FAQs, answered by experts

The standard copper wire gauge to use with any 30-amp circuit is a 10-gauge wire. The National Electric Code specifies a 10-gauge wire with appliances like water heaters running on 30 amps. If you try to use a smaller gauge wire, such as a 12 gauge, with a 30-amp breaker, you run the risk of the wire overheating and melting or causing a fire. Because of the safety hazards, the gauge of the wire is not an area to try to cut costs when connecting a 30-amp breaker to a water heater.

Gas water heaters last between eight and 12 years on average. You can help them reach their maximum lifespan with regular cleanings, maintenance, and professional checkups, though don’t hesitate to swing for a full replacement if the total cost of repairs is greater than that of purchasing and installing a new unit. 

If your system is not vented properly, you could experience what’s called backdrafting. Backdrafting is when your ventilation system isn’t working as it should, and instead of releasing gases outside, they get trapped inside your home. 

Gas and propane water heaters create a few types of combustion gases, but the most dangerous is carbon monoxide. If there’s too much build-up of these gases inside your home, it can lead to carbon monoxide poisoning.

No state requires you to vent an electric water heater. Other installation requirements for water heaters will vary, though, depending on the state and local jurisdiction in which you live. Some places require permits, while others don’t. Some may force you to place the appliance a certain distance from any walls or other appliances, while others don't. When you find a local professional to install a water heater, this expert will ensure you follow all the local regulations.

If you're replacing a broken water heater, now is a great time to make sure you're selecting a unit that has the right capacity for your household. According to the U.S. Department of Energy, a small 50-gallon to 60-gallon tank is sufficient for households with one to three people. A medium-sized 80-gallon tank is considered ideal for three to four people. A larger tank may be needed if your household has four to six people.

The Montclair, VA homeowners’ guide to water heater services

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