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Avatar for Dunn's HVAC, Plumbing & Electrical
Dunn's HVAC, Plumbing & Electrical
New to Angi
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+1 more

Serving Alpine, AL and surrounding areas

Approved (Corporate)

In business since 2014

Free estimates

Emergency services offered

At Dunn's Heating, Cooling, Plumbing, and Electrical, we know how hard it is to find a Dependable company you can trust. The time-consuming effort can be frustrating and overwhelming. We believe what matters is getting back to what’s important to YOU, so we provide dependable service Dunn right! Dunn's Heating, Cooling, Plumbing, and Electrical is built upon honesty, integrity, and trust. \n\nWe are your local choice for all your HVAC repair, installation, and service needs. We are proud to serve Anniston and Pelham, AL, as well as the surrounding cities. We are family-owned and also family-operated. As a local business, we care about and are invested in the well-being of our community and its future.

12 neighbors recently requested a quote
Yellow Hammer Plumbing LLC
New to Angi
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+1 more

Serving Alpine, AL and surrounding areas

Approved

In business since 2025

Offers commercial services

We pride our company on reliability, great communication, integrity, and quality work. Our top priority is customer satisfaction and will go the extra mile. We are experts in our trade and will work with you from conception to competition. We strive in making all clients, repeat clients. \n\nCall us today you will be relieved you did. Thank you

Avatar for A Allstar Plumbing And Remodeling, Inc.
A Allstar Plumbing And Remodeling, Inc.
4.4(
152
)
Water Heater - Install or ReplaceWater Heater - Install or Replace - For BusinessWater Heater - Repair or Service+1 more

Serving Alpine, AL and surrounding areas

In business since 2018

Emergency services offered

Warranties offered

"Our water heater was leaking and needed replacing. Price was on par with other recommended companies. Repairmen were nice and efficient. However, they did not return the items moved to get to the water heater. They were left scattered about. Otherwise, 5 stars."
General plumbing
General plumbing
General plumbing
General plumbing
General plumbing

+3

Response time1 day
Recommended by90%of homeowners
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Water Heaters questions, answered by experts

Water expands when heated and also when freezing. When water is heated, it expands by around 4%. For a full water heater, this is one of the main reasons malfunctions occur—the hot water has nowhere else to go but out. Due to the constant expansion and reduction in volume, it’s recommended (required in most places) that an expansion tank be installed.

In most municipalities, a license is not mandatory for water heater installation or replacement. However, we strongly recommend hiring a licensed plumber or water heater installer to handle the work. Licensed installers are far less likely to make a mistake during the installation, which means paying for the experience decreases your risk of a leak and other issues. You can use our state licensing tool to find out if a contractor you’re considering in your area holds a plumber’s license.

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.

A tankless water heater can last up to 20 years, which is nearly double the lifespan of a conventional tank heater. However, their longevity is highly dependent on several factors. With proper installation and regular maintenance, such as descaling to prevent mineral buildup from hard water, you can expect a lifespan of 15 to 20 years. Without proper care, a tankless unit may begin to fail in as little as 12 years. Other factors that affect its lifespan include household usage and the quality of the local water supply. While they have a higher upfront cost, their energy savings, smaller size, and longer life make them a worthwhile investment for many homeowners.

Unless they are connected to the same system, boilers and water heaters will both need their own expansion tanks. The only case they wouldn’t have separate expansion tanks is if the boiler is pulling double duty and managing a heating system while also supplying hot water for a home. In which case, you may not need a hot water heater.

The Alpine, AL homeowners’ guide to water heater services

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