Tankless Water Heater Mesa Services | Installation, Repair & Replacement
Need endless hot water in Mesa? MesaPlumbersPro specializes in tankless water heater Mesa installation, repair, and replacement. Since 2004, our certified technicians have delivered same-day service, earning over 800 five-star reviews.
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Hear From Our Happy Customers in Mesa, Arizona!
For over 20 years, being the best local plumbers in Mesa, MesaPlumbersPro has been solving emergency plumbing problems for families and businesses throughout the city. Read what our satisfied customers have to say about our service, quality, and commitment to getting the job done right.
What Is a Tankless Water Heater and How Does It Work?
A tankless water heater revolutionizes how your home delivers hot water. Unlike traditional tank systems that store and constantly reheat 40-80 gallons of water, a tankless unit heats water instantly as it flows through the system. This on-demand approach means you never waste energy keeping a large tank hot when it’s not in use.
Here’s how the process works in your Mesa home: When you turn on a hot water tap, cold water travels through a pipe into the tankless water heater. Inside the unit, either a powerful gas burner or an electric heating element rapidly heats the water to your preset temperature. The heated water then flows directly to your shower, faucet, or appliance without any waiting time.
This design delivers a continuous supply of hot water. You’ll never experience that frustrating moment when the third person showering gets blasted with cold water. Whether you’re running the dishwasher, washing machine, and two showers simultaneously, a properly sized tankless system handles the demand.
We install both gas and electric tankless water heater models, depending on your home’s infrastructure and hot water needs. Gas units typically provide higher flow rates (measured in gallons per minute or GPM), making them ideal for larger households.
Our Complete Tankless Water Heater Services in Mesa, AZ
At MesaPlumbersPro, we handle every aspect of tankless water heater ownership. Whether you’re upgrading from a traditional tank system, dealing with a breakdown, or need regular maintenance to keep your unit running efficiently, our certified technicians deliver professional solutions. We work on all major brands, including Rinnai, Navien, Rheem, Noritz, and Takagi. Each service is backed by our 20+ years of experience and commitment to quality workmanship.
Tankless Water Heater Installation
Upgrading to a tankless system requires expert planning and precise installation. We assess your home’s hot water demand, evaluate your gas line or electrical capacity, and recommend the right GPM rating for your household. Our licensed plumbers handle complete installations, including venting systems, water line connections, and all necessary permits, ensuring your new unit operates safely and efficiently from day one.
Tankless Water Heater Repair
When your tankless water heater stops producing hot water or shows error codes, we respond quickly. Our technicians diagnose issues like mineral buildup, faulty heating elements, flow sensor problems, or ignition failures. We arrive with fully-stocked trucks to complete most repairs the same day, restoring your endless hot water supply without unnecessary delays or return trips to your Mesa property.
Tankless Water Heater Replacement
Is your aging tankless unit constantly breaking down or no longer meeting your household’s needs? We provide seamless replacement services that remove your old system and install a new, energy-efficient model. Our team helps you choose between gas and electric options, explains the latest ENERGY STAR models, and completes the entire replacement process with minimal disruption to your daily routine.
Tankless Water Heater Maintenance
Regular maintenance extends your tankless water heater’s lifespan and prevents costly breakdowns. Our comprehensive service includes descaling to remove mineral deposits, inspecting heat exchangers, testing flow rates, checking venting systems, and verifying all safety controls. We recommend annual maintenance for Mesa homes, especially if you have hard water that accelerates scale buildup and reduces system efficiency.
Why Upgrade to a Tankless Water Heater in Mesa?
Switching to a tankless water heater transforms how your Mesa home uses energy and delivers comfort. After installing hundreds of these systems since 2004, we’ve seen firsthand how homeowners benefit from this upgrade. The initial investment pays for itself through lower utility bills, fewer repairs, and the convenience of never running out of hot water. Whether you’re building a new home, remodeling, or simply tired of your old tank system’s limitations, here’s what you gain with a tankless water heater:
- Endless hot water supply – never run out during showers or when running multiple appliances.
- 24-34% energy savings – only heat water when you use it, eliminating standby energy loss.
- Space-saving design – wall-mounted units free up 90% of the space traditional tanks occupy.
- 20+ year lifespan – double the longevity of conventional tank heaters.
- Zero flood risk – no storage tank means no catastrophic leaks damaging your home.
- Cleaner water quality – no rust or sediment buildup from sitting in a storage tank.
- Lower carbon footprint – reduced energy use means fewer emissions and potential utility rebates.
- Precise temperature control – consistent hot water without the fluctuations of tank systems.
Whether it’s a midnight pipe burst or a complete plumbing system installation, our certified team is ready to help.
Why Mesa Homeowners Choose MesaPlumbersPro for Tankless Water Heaters?
When your home’s comfort depends on reliable hot water, you need plumbers who deliver exceptional service every time. MesaPlumbersPro has earned the trust of hundreds of Mesa families since 2004 through our commitment to quality workmanship, honest pricing, and customer satisfaction. We don’t just install tankless water heaters; we build long-term relationships with homeowners who value expertise and reliability. Here’s what sets us apart from other plumbing companies in the East Valley:
Two Decades of Proven Expertise
Since 2004, we've specialized in tankless water heater services across Mesa. Our 20+ years of hands-on experience mean we've solved every possible installation challenge and repair issue you might encounter.
Comprehensive Warranty Protection
We stand behind our workmanship with industry-leading warranties. Your tankless water heater installation includes parts coverage, labor guarantees, and ongoing support that protects your investment for years.
Transparent Pricing with No Hidden Fees
You'll receive upfront pricing before any work begins. We explain all costs clearly, offer multiple solution options, and never surprise you with unexpected charges on your final invoice.
Same-Day Service When You Need It
We understand water heater emergencies don't follow business hours. Our team responds quickly with fully-stocked trucks, completing most installations and repairs the same day you call us.
800+ Five-Star Customer Reviews
Real Mesa homeowners trust us with their plumbing needs. Our consistently high ratings on Google, Yelp, and Facebook reflect our dedication to exceptional service, fair pricing, and reliable solutions.
Factory-Certified on All Major Brands
Our certified technicians receive ongoing training directly from Rinnai, Navien, Rheem, Noritz, and other top manufacturers. This certification ensures we install and service your tankless system exactly to the manufacturer's specifications.
Our Proven Tankless Water Heater Installation Process
We’ve perfected our installation process over 20 years of serving Mesa homeowners. When you choose MesaPlumbersPro, you get a systematic approach that ensures your tankless water heater operates at peak efficiency from day one. Our certified technicians follow a proven four-step method that eliminates guesswork and prevents common installation mistakes. We handle everything from initial assessment to final testing, so you enjoy reliable hot water without any hassle.
1
Free In-Home Assessment
Our licensed plumber visits your Mesa home to evaluate your current system, measure hot water demand, and recommend the perfect tankless unit size.
2
Professional Installation Planning
We verify your gas line capacity or electrical service, plan optimal placement, arrange necessary permits, and schedule installation at your convenience.
3
Expert System Installation
Our technicians remove your old heater, install your new tankless water heater, connect all water lines and venting, and ensure code compliance.
4
Testing & Customer Education
We test flow rates, verify proper temperature settings, demonstrate system controls, and explain your maintenance schedule for maximum lifespan.
Transparent Pricing for Tankless Water Heater Services in Mesa
At MesaPlumbersPro, we believe you deserve honest pricing before we start any work. We’ve served Mesa homeowners since 2004 with upfront estimates and no surprise charges. Your final cost depends on several factors, including your home’s existing infrastructure, the tankless water heater model you choose, and the complexity of the installation.
For a complete tankless water heater installation, most Mesa homeowners invest between $2,500 and $4,500. This range includes the unit itself, professional installation, necessary gas line or electrical upgrades, venting systems, permits, and our warranty. Gas tankless models typically cost more upfront than electric units, but they deliver higher flow rates for larger households.
Repair services generally range from $150 to $600, depending on the issue. Common repairs like replacing a flow sensor, cleaning mineral buildup, or fixing ignition problems fall on the lower end. More complex repairs involving heat exchanger replacement cost more but still beat the expense of a full system replacement.
Replacement services run $2,200 to $4,200 when we remove your old unit and install a new energy-efficient model. We help you choose the right size based on your household’s GPM requirements.
Annual maintenance services cost $150 to $250 and include complete descaling, safety inspections, and performance testing. This small investment prevents expensive repairs and extends your system’s 20+ year lifespan.
Real Mesa Homeowners, Real Tankless Water Heater Solutions
See how MesaPlumbersPro has helped your neighbors solve their hot water challenges. These real case studies from Mesa families show our commitment to quality installations, fast repairs, and customer satisfaction since 2004.
Case Study 1: From Cold Showers to Endless Comfort
Sarah M., Mesa
Tankless Water Heater Installation
Sarah’s family of five constantly ran out of hot water with their old 40-gallon tank. We installed a Navien tankless water heater sized for their needs. Now they enjoy simultaneous showers without temperature drops, plus they’re saving $45 monthly on energy bills.
Case Study 2: Emergency Repair Saves the Day
Robert T., East Mesa
Tankless Water Heater Repair
Robert’s Rinnai tankless unit stopped heating water on a Sunday morning. Our 24/7 emergency plumbing Mesa team arrived within two hours, diagnosed a faulty flow sensor, and completed the repair the same day. His family had hot water restored before lunch.
Case Study 3: Upgrade Delivers Major Savings
Jennifer & Mike L., North Mesa
Tankless Water Heater Replacement
Their 12-year-old tankless system was inefficient and costly to repair. We replaced it with a new energy-efficient Rheem model. The upgrade cut their water heating costs by 30% and came with a 10-year manufacturer warranty for peace of mind.
Case Study 4: Commercial Installation Success
Desert View Dental, Mesa
Commercial Tankless Water Heater Installation
This busy dental office needed reliable hot water for sterilization equipment. We installed two commercial-grade tankless units, providing consistent GPM throughout their facility. Zero downtime during installation kept their practice running smoothly.
Our Service Area – Trusted Tankless Water Heater Experts Across the Mesa
MesaPlumbersPro proudly serves Mesa and the surrounding communities throughout the East Valley. Our certified technicians deliver fast, reliable tankless water heater services to your neighborhood.
- Dobson Ranch
- Red Mountain Ranch
- Eastmark
- The Groves
- Superstition Springs
- Alta Mesa
- Las Sendas
- Downtown Mesa
- Central Mesa
- North Central Mesa
- Northeast Mesa
- West Enders
- Riverview
- Phoenix‑Mesa Gateway
- Boulder Mountain
- Thayer Estates
- Signal Butte Ranch
- Taylor Ranch
- Dobson Woods
No matter where you are, you can count on us for fast, reliable, and affordable service.
Get Expert Tankless Water Heater Service Today – Call MesaPlumbersPro Now
Don’t wait for your old water heater to fail. Upgrade to endless hot water and lower energy bills today.
Open 24 Hours – 7 Days a Week
Don’t wait until a small problem becomes a major headache. Call us now and let Mesa’s trusted plumbing experts handle it efficiently!
Frequently Asked Questions
With proper maintenance, a tankless water heater lasts 20-25 years in Mesa homes, nearly double the lifespan of traditional tank heaters. Our annual descaling service removes mineral buildup from Arizona's hard water, preventing premature failure. We've serviced units installed in 2004 that still operate efficiently today. Regular maintenance protects your investment and maximizes your system's lifespan.
Most Mesa homeowners invest $2,500-$4,500 for a complete tankless water heater installation. Your actual cost depends on the unit size, fuel type (gas or electric), and required infrastructure upgrades like gas line expansion or electrical panel modifications. We provide free in-home estimates with transparent pricing before starting any work.
Absolutely. Tankless water heaters reduce energy costs by 24-34% compared to tank systems, according to the U.S. Department of Energy. You'll never run out of hot water, gain valuable space, and enjoy a system that lasts twice as long. Most Mesa families recoup their investment through energy savings within 6-8 years while enjoying superior comfort.
Sizing depends on your household's peak hot water demand measured in gallons per minute (GPM). A typical Mesa home with 2-3 bathrooms needs a unit delivering 7-10 GPM. We calculate your exact requirements during our free assessment by counting fixtures, evaluating usage patterns, and considering simultaneous demand. Proper sizing ensures you never experience reduced flow or temperature drops.
We recommend annual maintenance for all Mesa tankless water heaters. Arizona's hard water accelerates mineral deposits that reduce efficiency and damage components. Our yearly service includes descaling, heat exchanger inspection, venting checks, and safety testing. This $150-$250 investment prevents $500+ repair bills and extends your unit's operational life significantly.
We strongly advise against DIY tankless water heater installation. Gas units require proper venting, precise gas line sizing, and permit compliance. Electric models need dedicated circuits and specific electrical requirements. Improper installation voids manufacturer warranties, creates safety hazards like carbon monoxide leaks, and violates Mesa building codes. Our licensed plumbers ensure safe, code-compliant installations backed by warranties.