--- title: "Scottsdale Tankless Water Heater Installation" description: "Expert tankless water heater installation in Scottsdale, AZ. Navien gas & Trutankless electric. Licensed (ROC #350819). Free estimates — (623) 323-4538." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "Plumber", "@id": "https://dominickplumbing.com/#business", "name": "Dominick Plumbing", "legalName": "Dominick Plumbing LLC", "image": "https://dominickplumbing.com/apple-touch-icon.png", "logo": "https://dominickplumbing.com/apple-touch-icon.png", "telephone": "+1-623-323-4538", "email": "info@dominickplumbing.com", "url": "https://dominickplumbing.com", "priceRange": "$$", "foundingDate": "2021-01-01", "identifier": "Arizona ROC 350819", "hasCredential": "Arizona ROC #350819", "address": { "@type": "PostalAddress", "addressLocality": "Scottsdale", "addressRegion": "AZ", "addressCountry": "US" }, "geo": { "@type": "GeoCoordinates", "latitude": 33.4942, "longitude": -111.9261 }, "areaServed": [ { "@type": "City", "name": "Scottsdale, AZ" }, { "@type": "City", "name": "Paradise Valley, AZ" }, { "@type": "City", "name": "Phoenix, AZ" }, { "@type": "City", "name": "Fountain Hills, AZ" }, { "@type": "City", "name": "Cave Creek, AZ" }, { "@type": "City", "name": "Carefree, AZ" }, { "@type": "City", "name": "Tempe, AZ" }, { "@type": "City", "name": "Mesa, AZ" } ], "aggregateRating": { "@type": "AggregateRating", "ratingValue": "5.0", "reviewCount": 200, "bestRating": "5" } }, { "@context": "https://schema.org", "@type": "Service", "name": "Tankless Water Heater Installation", "serviceType": "Tankless Water Heater Installation", "category": "Plumber", "description": "Professional tankless water heater installation in Scottsdale, AZ. Navien Gas and Trutankless Electric specialists. Licensed, permitted, code-compliant.", "areaServed": [ { "@type": "City", "name": "Scottsdale, AZ" }, { "@type": "City", "name": "Paradise Valley, AZ" }, { "@type": "City", "name": "Phoenix, AZ" }, { "@type": "City", "name": "Fountain Hills, AZ" }, { "@type": "City", "name": "Cave Creek, AZ" }, { "@type": "City", "name": "Carefree, AZ" }, { "@type": "City", "name": "Tempe, AZ" }, { "@type": "City", "name": "Mesa, AZ" } ], "provider": { "@type": "Plumber", "name": "Dominick Plumbing", "telephone": "+1-623-323-4538", "email": "info@dominickplumbing.com", "priceRange": "$$", "image": "/assets/service-tankless-scottsdale-B8pevJSG.jpeg", "address": { "@type": "PostalAddress", "addressLocality": "Scottsdale", "addressRegion": "AZ", "addressCountry": "US" }, "areaServed": "Scottsdale, AZ", "hasCredential": "Arizona ROC #350819", "foundingDate": "2021-01-01", "aggregateRating": { "@type": "AggregateRating", "ratingValue": "5.0", "reviewCount": 200, "bestRating": "5" } }, "offers": { "@type": "Offer", "priceCurrency": "USD", "availability": "https://schema.org/InStock", "url": "https://dominickplumbing.com/services/tankless-water-heater-installation-scottsdale" } }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "How long does tankless water heater installation take in Scottsdale?", "acceptedAnswer": { "@type": "Answer", "text": "A standard tank replacement runs 2–6 hours. A full tank-to-tankless conversion generally takes 4–8 hours or more. Gas-line upgrades, electrical panel modifications for electric models, venting, and permit inspections can extend the timeline. Scottsdale requires a plumbing permit for every water heater installation." } }, { "@type": "Question", "name": "Do tankless water heaters work well with Scottsdale's hard water?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — with the right maintenance plan. Scottsdale's high mineral content (275–430 ppm, sometimes over 400 ppm) can accelerate scale buildup, reducing flow and degrading the heat exchanger. We recommend annual descaling, a pre-filter or whole-house softener, and regular flow-sensor inspection. Without these measures, manufacturer warranties can be shortened or voided. If hot-water piping exceeds a specific distance, Scottsdale also mandates a demand-initiated recirculation system." } }, { "@type": "Question", "name": "What's the difference between Navien gas and Trutankless electric?", "acceptedAnswer": { "@type": "Answer", "text": "The Navien NPE-240A2 is a condensing gas unit (up to 199,900 BTU/hr) delivering 11.2 GPM at a 35°F rise — enough for large homes with simultaneous showers. It runs at ~0.95 UEF and saves roughly $120/year on gas vs. a 50-gallon tank. The Trutankless GEN3 Electric is a 28-lb wall-mounted electric unit — no gas, no venting, no combustion air. It delivers up to 7.5 GPM on a 200-amp service. Electric installs may require breaker, wiring, or subpanel upgrades adding $1,000–$2,000." } }, { "@type": "Question", "name": "Which unit is right for my home?", "acceptedAnswer": { "@type": "Answer", "text": "For large Scottsdale and Phoenix-area homes with high simultaneous demand, Navien gas is usually the best fit. For condos, smaller homes, or all-electric households, Trutankless electric offers a reliable, space-saving alternative. We'll size and recommend based on your actual hot-water needs and budget." } }, { "@type": "Question", "name": "Is a tankless upgrade worth it if my current heater still works?", "acceptedAnswer": { "@type": "Answer", "text": "Replacing a water heater is generally recommended once repair costs exceed about half its replacement cost. Standard gas and electric tanks last 10–15 years; tankless units last 10–20+ years. If your system is aging, upgrading to tankless is often the most cost-effective long-term path." } }, { "@type": "Question", "name": "Do you handle permits and inspections?", "acceptedAnswer": { "@type": "Answer", "text": "Always. The City of Scottsdale requires a plumbing permit for every water heater replacement, and installation must comply with strict plumbing and mechanical codes. We pull every permit ($50–$200), handle venting and T&P requirements, and schedule inspections so nothing is left uncovered." } } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://dominickplumbing.com/" }, { "@type": "ListItem", "position": 2, "name": "Services", "item": "https://dominickplumbing.com/#services" }, { "@type": "ListItem", "position": 3, "name": "Tankless Water Heater Installation Scottsdale", "item": "https://dominickplumbing.com/services/tankless-water-heater-installation-scottsdale" } ] } ] --- [![Dominick Plumbing](/assets/dominick-plumbing-logo-kbhHe4U8.png)](/) [Home](/) [Services](/services) - [Water Heater Install & Repair](/services/water-heaters) - [Tankless Water Heater Installation](/services/tankless-water-heater-installation-scottsdale) - [Water Softeners](/services/water-softeners) - [Reverse Osmosis Systems](/services/reverse-osmosis) - [Pipe & Slab Leak Repair](/services/pipe-leak-repair) - [Automatic Leak Detection & Shut-Off](/services/leak-detection-shutoff) - [Drain Cleaning & Hydrojetting](/services/drain-cleaning) - [Toilet Replacement](/services/toilet-replacement) - [Faucet Replacement](/services/faucet-replacement) - [General Plumbing Repair](/services/plumbing-repair) - [View all services →](/services) [Service Areas](/areas) - [Scottsdale](/areas/scottsdale) - [Paradise Valley](/areas/paradise-valley) - [Phoenix](/areas/phoenix) - [Fountain Hills](/areas/fountain-hills) - [Cave Creek](/areas/cave-creek) - [Carefree](/areas/carefree) - [Tempe](/areas/tempe) - [Mesa](/areas/mesa) - [All service areas →](/areas) More - Recommended Products - [TOTO Toilets](/products/toto-toilets) - [Navien Tankless Water Heaters](/products/navien-tankless-water-heaters) - [Trutankless Electric Tankless](/products/trutankless-electric-tankless-water-heaters) - [Encore Reveal Softener](/products/encore-reveal-water-softener) - [Encore IonX5 Conditioner](/products/encore-ionx5-water-conditioner) - [Waterdrop Reverse Osmosis](/products/waterdrop-reverse-osmosis) - [LeakSecure Leak Detection](/products/leaksecure-leak-detection) - [All recommended products →](/products) - Company - [Blog](/blog) - [About](/#trust) - [Contact](/contact) [(623) 323-4538 Call ](tel:6233234538) Scottsdale, AZ · Licensed Plumber # Professional Tankless Water Heater Installation in Scottsdale Endless hot water, lower utility bills, and a system built for Scottsdale's hard water. Expert installation of Navien Gas and Trutankless Electric tankless water heaters — licensed, permitted, and code-compliant from day one. [Schedule Free Consultation](tel:6233234538)[Get a Free Estimate](/contact) - 100+ Five-Star Reviews - Licensed · ROC #350819 - Navien & Trutankless Specialists ![Navien tankless water heater professionally installed with copper plumbing in a Scottsdale home](/assets/service-tankless-scottsdale-BoNtffTL.webp) Why Tankless ## Built for Scottsdale homes & hard water Scottsdale's municipal water is very hard — 275–430 ppm of untreated mineral content. Properly sized and maintained, a modern tankless system handles those conditions far better than an aging tank prone to sediment and corrosion. - ### Endless Hot Water On-demand heating means no more cold surprises mid-shower or running out during back-to-back showers, laundry, and dishes. - ### Up To 30% Energy Savings Gas units like the Navien NPE-240A2 hit ~0.95 UEF vs. 0.60–0.70 for standard tanks — typically 20–30% lower water-heating bills. - ### Space-Saving Design Compact, wall-mounted units free up the closet, garage, or attic space a bulky 50-gallon tank used to fill. - ### 20+ Year Lifespan Tankless units last 20+ years with proper maintenance — nearly double the 8–15 year lifespan of a traditional tank. - ### Hard Water Ready Scottsdale water runs 275–430 ppm. With the right filtration and annual descaling, tankless handles it better than aging tanks. - ### Lower Emissions Less energy use means a smaller carbon footprint, and high-efficiency condensing models produce lower NOx emissions. What We Offer ## Residential & commercial tankless solutions ### Residential Tankless Installation Custom installs for single-family homes, condos, and townhomes across Scottsdale. Whole-house gas systems for large families or electric tankless for compact condos — designed around your actual hot-water demand. ### Commercial Tankless Solutions Dependable hot water for restaurants, hotels, offices, and retail. Multi-unit installs for large facilities, plus ongoing maintenance programs to keep operations running without interruption. Premium Picks ## Top tankless water heaters for Scottsdale - Best for large homes ### Navien NPE-240A2 High-efficiency condensing gas, up to 11.2 GPM — perfect for big Scottsdale homes with multiple bathrooms running at once. - Best all-electric ### Trutankless Electric 27kW Up to 7.5 GPM, no gas or venting needed. Ideal for smaller homes and condos without gas service. - Smart & efficient ### Rinnai RU199iN Ultra-efficient gas tankless with WiFi connectivity and built-in recirculation technology. - Budget-friendly gas ### Navien NPN-180A Non-condensing gas model for installations where atmospheric venting is already in place. - Point-of-use ### Trutankless Electric 18kW Compact electric unit well-suited for kitchen sinks, guest bathrooms, or small condos. - Direct-vent gas ### Rheem RTGH-95DVLN Direct-vent gas heater with strong performance across Arizona's seasonal temperature swings. - Premium condensing ### Noritz NRC98-DV-NG High-efficiency condensing unit with advanced digital controls and durable heat exchangers. - Instant point-of-use ### SioGreen IR30 POU Infrared electric heater for instant hot water right at the fixture — minimal mineral buildup risk. - Heat + hot water ### Navien NCB-E Combi Combination unit providing space heating and domestic hot water in a single wall-mounted system. Our Process ## Honest, code-compliant installation 1. 1 ### Home Assessment & Sizing We review bathrooms, fixtures, and simultaneous usage, check gas-line capacity or electrical panel, and test water hardness — frequently 400+ ppm in Scottsdale — so scale mitigation is built into every recommendation. 2. 2 ### Custom Design & Product Selection We match a Navien gas or Trutankless electric unit to your home, design the install layout for efficiency, and flag any gas or electrical upgrades needed before work begins. 3. 3 ### Licensed, Permitted Installation Full plumbing, gas, and electrical work to Scottsdale code: Cat III stainless or PVC direct-vent, dedicated T&P relief valve, and 18-inch garage elevation. Permits ($50–$200) pulled and inspections scheduled. 4. 4 ### Training & Maintenance Setup Walk-through of operation, hard-water maintenance plan, first annual descaling scheduled, and your manufacturer warranty fully protected. FAQs ## Common questions ### How long does tankless water heater installation take in Scottsdale? A standard tank replacement runs 2–6 hours. A full tank-to-tankless conversion generally takes 4–8 hours or more. Gas-line upgrades, electrical panel modifications for electric models, venting, and permit inspections can extend the timeline. Scottsdale requires a plumbing permit for every water heater installation. ### Do tankless water heaters work well with Scottsdale's hard water? Yes — with the right maintenance plan. Scottsdale's high mineral content (275–430 ppm, sometimes over 400 ppm) can accelerate scale buildup, reducing flow and degrading the heat exchanger. We recommend annual descaling, a pre-filter or whole-house softener, and regular flow-sensor inspection. Without these measures, manufacturer warranties can be shortened or voided. If hot-water piping exceeds a specific distance, Scottsdale also mandates a demand-initiated recirculation system. ### What's the difference between Navien gas and Trutankless electric? The Navien NPE-240A2 is a condensing gas unit (up to 199,900 BTU/hr) delivering 11.2 GPM at a 35°F rise — enough for large homes with simultaneous showers. It runs at ~0.95 UEF and saves roughly $120/year on gas vs. a 50-gallon tank. The Trutankless GEN3 Electric is a 28-lb wall-mounted electric unit — no gas, no venting, no combustion air. It delivers up to 7.5 GPM on a 200-amp service. Electric installs may require breaker, wiring, or subpanel upgrades adding $1,000–$2,000. ### Which unit is right for my home? For large Scottsdale and Phoenix-area homes with high simultaneous demand, Navien gas is usually the best fit. For condos, smaller homes, or all-electric households, Trutankless electric offers a reliable, space-saving alternative. We'll size and recommend based on your actual hot-water needs and budget. ### Is a tankless upgrade worth it if my current heater still works? Replacing a water heater is generally recommended once repair costs exceed about half its replacement cost. Standard gas and electric tanks last 10–15 years; tankless units last 10–20+ years. If your system is aging, upgrading to tankless is often the most cost-effective long-term path. ### Do you handle permits and inspections? Always. The City of Scottsdale requires a plumbing permit for every water heater replacement, and installation must comply with strict plumbing and mechanical codes. We pull every permit ($50–$200), handle venting and T&P requirements, and schedule inspections so nothing is left uncovered. Get Started ## Schedule your free estimate today We specialize in Navien Gas Tankless and Trutankless Electric systems — and we'll help you find the right unit for your home's hot water needs and budget. No hidden fees, ever. - Phone [(623) 323-4538](tel:6233234538) - Email [info@dominickplumbing.com](mailto:info@dominickplumbing.com) - Service Area Scottsdale & Greater Phoenix, AZ - Scottsdale, AZ - Paradise Valley, AZ - Phoenix, AZ - Fountain Hills, AZ - Cave Creek, AZ - Carefree, AZ - Tempe, AZ - Mesa, AZ [Schedule Free Estimate](tel:6233234538) ## Related services & products - [Water Heater Install & Repair](/services/water-heaters) - [Navien Tankless Water Heaters](/products/navien-tankless-water-heaters) - [Trutankless Electric Tankless](/products/trutankless-electric-tankless-water-heaters) - [Water Softeners](/services/water-softeners) - [Reverse Osmosis Systems](/services/reverse-osmosis) - [Pipe & Slab Leak Repair](/services/pipe-leak-repair) ![Dominick Plumbing](/assets/dominick-plumbing-logo-kbhHe4U8.png) Family-owned, licensed plumbers serving Scottsdale and the entire Valley. Clean water. Pure confidence. Licensed · Bonded · Insured ## Contact (NAP) - Dominick Plumbing - Scottsdale, AZ Arizona ROC #350819 - [(623) 323-4538](tel:6233234538) - [info@dominickplumbing.com](mailto:info@dominickplumbing.com) ## Service Areas - Scottsdale, AZ - Paradise Valley, AZ - Phoenix, AZ - Fountain Hills, AZ - Cave Creek, AZ - Carefree, AZ - Tempe, AZ - Mesa, AZ © 2026 Dominick Plumbing. All rights reserved. [Privacy & Cookies](/privacy)Scottsdale, AZ · (623) 323-4538 [(623) 323-4538](tel:6233234538) We use cookies to keep this site working and to understand how it's used. You can accept all cookies or reject non-essential ones. See our [Privacy Policy](/privacy). Reject non-essentialAccept all