Top Tankless Water Heater Service Companies in Dallas, Texas Ranked

Upgrading to a tankless water heater is a significant home improvement decision that offers on-demand hot water and long-term energy savings. For Dallas homeowners, navigating the specifics of installation, from fuel type selection to managing the city's hard water, requires expert guidance. This resource is designed to help you understand the process, costs, and key considerations for selecting a qualified professional to handle your tankless system project.

Trident Plumbing

15222 King Rd Ste 301, Frisco, TX 75034

Trident Plumbing provides a range of plumbing services in Garland, TX, including water heater repair and installation, tankless water heater services, water softener installation, drain cleaning, sewer line repair, leak detection, and gas line installation. Their team includes Master Plumbers, licensed Journeymen, and Technicians who receive ongoing professional education. Trident Plumbing also offers specialized slab leak detection and repair, supporting both residential and commercial plumbing needs.

5.0

1.3k Reviews

Bow Tie Plumbing

1285 N Main St Suite 306, Mansfield, TX 76063

Bow Tie Plumbing is a family-owned plumbing company serving Arlington, TX, and the broader DFW area. With over 50 years of combined experience, they offer a wide range of services including water heater installation and repair, drain cleaning, sewer line repair, leak detection, repiping, and toilet repair. The company uses advanced techniques such as hydrostatic and smoke testing to identify plumbing issues and provides specialized services like tunneling for foundation access. Bow Tie Plumbing is known for transparent pricing, free estimates within 24 hours, and a 1-year labor warranty on their work.

5.0

796 Reviews

O'Bryan Plumbing Services

800 Fulgham Rd Suite 35, Plano, TX 75093

O'Bryan Plumbing Services is a plumbing company serving Dallas, TX, offering a wide range of plumbing solutions including water heater repair and installation, sewer and drain cleaning, leak detection, and gas line installation. They use advanced technology such as sewer camera inspections to accurately diagnose and address plumbing issues. Established in 1982, O'Bryan Plumbing Services brings decades of experience to their work, providing comprehensive plumbing maintenance and repair services to residential customers.

5.0

601 Reviews

DFW PipePros

1350 E Arapaho Rd Suite 130, Richardson, TX 75081

DFW PipePros is a locally owned plumbing company serving Dallas, TX. They provide a wide range of plumbing services including water heater repair and installation, tankless water heater services, drain cleaning, hydro jetting, leak detection, toilet repair, and garbage disposal repair. The company uses advanced techniques such as sewer camera inspections to accurately diagnose plumbing issues. DFW PipePros emphasizes transparent pricing and offers 24/7 emergency service to address urgent plumbing needs promptly.

5.0

426 Reviews

Adr plumbing Co

plano

Adr Plumbing Co is a plumbing service provider based in Plano, TX, offering a wide range of services including water heater repair and installation, tankless water heater services, drain cleaning, sewer line repair, leak detection, repiping, toilet repair, and garbage disposal repair. They serve residential and property management clients with expertise in trenchless sewer repair and tunneling for under-slab repairs. Established in 2019, Adr Plumbing Co combines over 20 years of industry experience with well-stocked service vehicles to efficiently handle plumbing issues from minor leaks to major sewer line replacements. The company operates around the clock to address plumbing emergencies and routine maintenance needs.

5.0

412 Reviews

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Understanding Tankless Water Heaters

Often called on-demand or instantaneous water heaters, these systems heat water directly without the use of a storage tank. When a hot water tap is turned on, cold water travels through a pipe into the unit, where either a gas burner or an electric element heats the water instantly. This provides a continuous supply of hot water and eliminates the standby energy losses associated with traditional tank-style heaters, which can be a substantial benefit for Dallas households ^{1 2}.

The core advantage is efficiency. Since they only heat water when you need it, tankless units can be 24%-34% more energy efficient for homes that use 41 gallons or less of hot water daily. For larger families using more hot water, the efficiency can still be 8%-14% higher. Over the lifespan of the unit, this translates to meaningful savings on your utility bills, helping to offset the higher initial installation cost ^{2 3}.

Key Considerations Before Installation

A successful tankless water heater project starts with proper planning. Several critical factors must be evaluated by a professional to ensure your new system meets your home's demands and complies with local codes.

Sizing and Flow Rate

Perhaps the most crucial step is correctly sizing the unit. A licensed plumber will calculate your home's peak hot water demand, measured in gallons per minute (GPM). This involves considering how many fixtures (showers, dishwashers, washing machines) might run simultaneously. An undersized unit will struggle to supply enough hot water, while an oversized one is an unnecessary expense. Proper sizing ensures consistent performance and efficiency ^{1 4 5}.

Choosing Your Fuel Type: Gas vs. Electric

Your choice between a gas or electric on-demand water heater has major implications for installation complexity and cost.

• Gas Models (Natural Gas or Propane): These are typically more powerful and can heat water faster, making them suitable for larger homes with higher hot water demands. However, they require a sufficiently sized gas line, which often needs to be upgraded from a standard 1/2-inch line to a 3/4-inch or 1-inch line to deliver the required volume of gas ^{1 6 7}. They also need dedicated, sealed venting (often stainless steel) to safely exhaust combustion gases outdoors ^{1 6}.
• Electric Models: These units are generally simpler to install as they don't require gas lines or venting. However, they demand a significant amount of electricity. Most electric tankless water heaters require dedicated 240-volt circuits and may necessitate an upgrade to your home's electrical service panel, which can be a major project in itself ^{6 7 5}.

Addressing Dallas-Specific Challenges

Two local factors significantly impact tankless water heaters in Dallas:

1. Hard Water: The mineral content in Dallas' water supply is notably high. This leads to scale (mineral) buildup inside the heat exchanger, which reduces efficiency, restricts flow, and can lead to premature failure. A professional installation should include a plan for annual maintenance to descale the unit ^{2 4}.
2. Permits and Code Compliance: Dallas requires permits for water heater installations to ensure they meet safety and building codes. A licensed plumber will handle pulling the necessary permits and scheduling inspections, which is non-negotiable for gas line work and critical for your safety and home insurance ^{6 8 3}.

Breakdown of Installation Costs in Dallas

The total cost for a tankless water heater installation in Dallas is highly variable, typically ranging from $3,000 to over $12,000 for a complete project ^{1 8 9}. This wide range reflects the many variables involved. Here's a closer look at what contributes to the final price:

• Unit Cost: The tankless heater itself typically ranges from $1,500 to $4,200 for a quality residential unit, with high-output or commercial-grade models costing more ^{8 10}.
• Labor: Professional installation labor can range from $600 to $1,850 for a straightforward replacement in a similar location. Complex installations involving relocation, major upgrades, or retrofitting an old tank system will be on the higher end ^{1 9}.
• Gas Line Upgrade: If installing a gas model, upgrading the gas line from the meter to the unit is often the single largest additional cost, ranging from $800 to $2,000 or more depending on the length and complexity of the run ^{1 8}.
• Venting Materials: Proper venting for a gas unit, using materials like stainless steel, can add $300 to $800+ to the project cost ^{1 9}.
• Electrical Work: For electric models, installing new dedicated circuits and potentially upgrading the electrical service panel can cost anywhere from a few hundred to several thousand dollars ^{7 5}.
• Permits and Inspections: Budget $100 to $300 for the required city permits and inspection fees ^{9 10}.

The Critical Role of Professional Installation

Hiring a licensed, insured plumber is not a suggestion-it's a requirement for a safe and effective tankless water heater installation. Professionals bring essential expertise in local plumbing codes, gas fitting (if applicable), and electrical standards. They perform the necessary calculations for sizing and flow rate, ensure all connections are secure and leak-free, and manage the permitting process ^{6 8 3}.

A professional installation guarantees that your system operates at peak efficiency and safety. Improper installation can lead to gas leaks, carbon monoxide hazards (for gas units), water damage, and voided manufacturer warranties. The complexity of integrating new gas lines, venting, or electrical circuits makes this a job for experts only ^{4 3}.

Ongoing Maintenance and Repair

To protect your investment and ensure a long lifespan (often 20+ years), regular maintenance is key ^{2 11}. For Dallas homes, the most important task is annual descaling to remove mineral buildup from the hard water. Many professionals recommend or can install a water softener to help mitigate this issue. During a maintenance visit, a technician will also check for error codes, inspect the venting system, and ensure all components are functioning correctly ^{2 4}.

Signs that your tankless water heater may need repair include inconsistent water temperature, error codes on the display, reduced flow rate, or unusual noises. Rusty water or visible leaks are clear indicators of a problem that requires immediate professional attention ¹¹.

Frequently asked questions

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