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Best Tankless Water Heater Service Companies in Oregon Ranked

Upgrading to a tankless water heater in Oregon offers a modern solution for endless hot water and improved energy efficiency. This service involves the professional installation or repair of on-demand water heating systems, which are crucial for homes seeking to reduce energy bills and free up valuable space. Finding a qualified local specialist ensures your system is installed correctly, meets all state and local codes, and provides reliable performance for years to come.

Central Air Heating, Cooling & Plumbing

Central Air Heating, Cooling & Plumbing

11640 SW Corby Dr #5, Portland, OR 97225

Central Air Heating, Cooling & Plumbing provides heating, cooling, and plumbing services in Portland, OR. Established in 2001, the company offers a wide range of home comfort solutions including water heater and tankless water heater installation and repair, leak detection, toilet repair, and garbage disposal services. Their technicians are trained to handle various HVAC systems and plumbing needs, with a focus on maintaining and repairing equipment to ensure efficient operation. They also offer HVAC maintenance plans and guarantee repairs for at least three years.

5.0
1.5k Reviews
P1 Plumbing - Vancouver & Portland

P1 Plumbing - Vancouver & Portland

6500 NE 45th Way, Vancouver, WA 98661

P1 Plumbing - Vancouver & Portland offers a wide range of plumbing services in Portland, OR, and surrounding areas including Vancouver, WA. Their expertise covers water heater repair and installation, including tankless and heat pump water heaters, leak detection, pipe repair and repiping, toilet repair, and water filtration system installation. The company has over 13 years of experience and employs licensed journeymen plumbers equipped with the latest tools to handle plumbing upgrades, remodels, and emergency repairs. P1 Plumbing serves both residential and commercial clients across the Portland metro area and nearby communities.

5.0
154 Reviews
Perfect Service Plumbing and Drain Cleaning

Perfect Service Plumbing and Drain Cleaning

1011 SE Oak St, Portland, OR 97214

Perfect Service Plumbing and Drain Cleaning is a plumbing company serving Portland, OR, with over 20 years of experience. They provide a wide range of plumbing services for both residential and commercial clients, including sewer camera inspections, water heater repair and installation, drain cleaning, hydro jetting, sewer line repair, leak detection, repiping, gas line installation, and toilet and garbage disposal repairs. The company offers 24/7 emergency response to address urgent plumbing needs and uses high-tech equipment to diagnose and resolve issues effectively.

5.0
137 Reviews
Fast Water Heater Company

Fast Water Heater Company

798 NW Dunbar Ave, Troutdale, OR 97060

Fast Water Heater Company provides water heater installation, repair, and maintenance services in Portland, OR, and across the West Coast including Washington and California. They handle various types of water heaters, including traditional tank and tankless models, ensuring installations meet safety and building codes. Established in 1986, the company has extensive experience and offers same-day installation if contacted by noon.

4.9
972 Reviews
Mr. Rooter Plumbing

Mr. Rooter Plumbing

2900 SE Cornelius Pass Rd Ste 101, Hillsboro, OR 97123

Mr. Rooter Plumbing provides a wide range of plumbing services in Portland, OR, including sewer camera inspections, water heater repairs and installations, drain cleaning, sewer line repairs, and leak detection. Serving the greater Washington County area, they offer both residential and commercial plumbing solutions with options for trenchless sewer repair to minimize property disruption. The company supports customers with same-day and next-day appointments and maintains a 24/7 emergency service line to address urgent plumbing issues promptly.

4.9
967 Reviews
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Understanding Tankless Water Heaters

Unlike traditional tank-style heaters that constantly keep a large volume of water hot, tankless (or on-demand) water heaters heat water directly as it flows through the unit. This means you get a continuous supply of hot water and only pay to heat what you use, which can lead to significant energy savings 1. For Oregon homeowners, this technology is particularly appealing for its space-saving design and longer lifespan, often exceeding 20 years with proper maintenance.

Key Considerations for Oregon Homes

Before choosing a tankless system, it's important to understand the two primary fuel types and how they integrate with your home's existing infrastructure.

Gas-Powered Systems (Natural Gas or Propane): These are the most common and powerful type, capable of supplying hot water to multiple fixtures simultaneously. However, installation is more complex. Gas tankless units require a significant amount of fuel, often necessitating an upgrade to your home's gas line to a larger diameter to deliver the required BTUs 1 2. They also require specialized, sealed venting (typically PVC or stainless steel Category III/IV) to safely exhaust combustion gases to the exterior 3 4.

Electric-Powered Systems: Electric on-demand heaters have a simpler installation process since they don't require fuel lines or venting. This makes them ideal for point-of-use applications or homes without gas service. The major consideration is electrical demand. These units often require dedicated, high-amperage circuits (sometimes exceeding 120 amps) and may necessitate an upgrade to your home's main electrical panel 1 2 3. It's essential to have a qualified electrician assess your home's capacity.

The Professional Installation Process in Oregon

A proper installation by a licensed professional is critical for safety, efficiency, and compliance with Oregon's building codes. The process typically follows these key steps:

  1. Assessment and Permitting: A technician will evaluate your home's water usage, fuel sources, and existing plumbing to recommend the correctly sized unit. In Oregon, a permit is required for water heater replacement, which your professional will typically handle 5.
  2. Preparation and Removal: The installer will safely shut off the water and power or gas to the old unit, drain it, and remove it from the premises.
  3. Mounting and Water Connections: The new tankless unit is securely mounted to a wall. New water lines (or adapters to existing lines) are connected for the cold water inlet and hot water outlet. In some cases, a recirculation pump may be added for instant hot water at distant faucets.
  4. Fuel and Venting Hookup: For gas units, the upgraded gas line is connected using proper fittings. The approved venting system is installed, terminating safely outdoors 6. For electric units, a licensed electrician will run the necessary dedicated circuit from the panel.
  5. Startup and Testing: The system is powered on, tested for water and gas leaks (if applicable), and calibrated. The technician will ensure proper ignition, flow rates, and temperature settings before reviewing operation with the homeowner.

Oregon Codes and Safety Compliance

Adherence to state and local codes is not optional; it's a matter of safety and insurance. Key regulations include:

  • Permits: Required for the replacement of any pressure vessel, including water heaters 5.
  • Electrical Code (NEC): Electric installations must comply with Article 422, ensuring proper circuit sizing, grounding, and disconnect methods 2.
  • Gas and Venting Codes: Gas line sizing and materials are strictly regulated to prevent leaks and ensure adequate supply. Venting must be manufacturer-approved and installed to prevent back-drafting of deadly carbon monoxide 1 3.

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Cost Overview for Installation and Repair

Understanding the potential investment helps in planning your upgrade. Costs can vary widely based on the unit chosen and the complexity of the installation.

Installation Costs: The total price for a new tankless water heater installed in Oregon typically ranges from $2,400 to $5,400 or more 7 8. This breaks down into:

  • Equipment: The unit itself can range from $250 for a basic electric point-of-use model to over $3,600 for a high-capacity whole-house gas model 7 8.
  • Labor and Installation: Professional installation fees can range from approximately $650 for a straightforward electric swap to $1,300 or significantly more for a gas installation that requires upgrading gas lines, adding new venting, or making complex plumbing modifications 7 8.

Repair Costs: When a tankless system malfunctions, repair costs generally fall between $150 and $800, covering parts and diagnostic labor 9. Common issues include mineral scale buildup, ignition failures, or error codes. A professional can advise whether a repair is cost-effective or if replacement is a better option for an older, frequently failing unit 9.

Benefits of Professional Service

Choosing a licensed Oregon professional for your tankless water heater needs provides peace of mind. Experts ensure the system is correctly sized for your household's peak demand, preventing disappointment with lukewarm water during simultaneous showers. They guarantee that all work meets stringent safety codes, protecting your home and family. Furthermore, professional installation preserves the manufacturer's warranty, which often requires proof of proper installation by a qualified technician. Finally, a pro can provide valuable maintenance tips and be your go-to resource for any future service needs.

Frequently asked questions

Sources

Footnotes

  1. Tankless vs. Traditional Water Heaters: Portland Home Guide - https://www.centralairpdx.com/blog/tankless-vs-traditional-water-heaters/ 2 3 4

  2. Go Tankless...and Stay in Hot Water - IAEI Magazine - https://iaeimagazine.org/2004/may2004/go-tanklessand-stay-in-hot-water/ 2 3

  3. Tankless Water Heater | Temprite Climate Solutions - https://www.tempriteclimatesolutions.com/blog/water-heater-service/do-i-need-to-make-any-plumbing-or-heating-changes-for-a-tankless-water-heater-installation 2 3

  4. 5 Tips to Make the Right Choice Between Indoor and Outdoor Tankless Water Heaters in San Antonio, TX - bluefrog Plumbing + Drain of San Antonio - https://bluefrogsanantonio.com/5-tips-to-make-the-right-choice-between-indoor-and-outdoor-tankless-water-heaters-in-san-antonio-tx/

  5. Building Codes Division : About Oregon residential building permits - https://www.oregon.gov/bcd/lbdd/pages/oregon-permits.aspx 2

  6. Tankless Water Heater Installation Guide - A. O. Smith - https://www.hotwater.com/info-center/tankless-water-heater-installation-guide.html

  7. Cost to Replace a Water Heater - The Home Depot - https://www.homedepot.com/services/c/cost-install-water-heater/9058c024e 2 3

  8. Lowes Hot Water Heater Prices, Installation, Reviews (2024) - https://www.hvaccalc.org/lowes-water-heater/ 2 3

  9. Tankless Water Heater Repair Portland, OR | D&F Plumbing - https://dandfplumbing.com/tankless-water-heater-repair-portland-or/ 2