Tankless Water Heater Services
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Navien Tankless Water Heater Installation
Clear Written Estimates. Competitive Installed Pricing. No Surprise Add-Ons.
Upgrade from a traditional gas tank water heater to reliable, endless hot water with a professionally installed Navien tankless system.
Competitive Quote Review
Have a written quote for a comparable Navien tankless installation? We’re happy to review it. For the same Navien model and comparable installation scope, we’ll give you our best competitive installed price.
Why Choose Majesty Plumbing?
Majesty Plumbing has been serving the Valley for over 18 years, but our technicians have over 30 years of field experience! We specialize in Navien gas tankless installations – done right, the first time.
Our professional craftsmanship includes:
- Copper fittings
- Isolation valve kits for proper maintenance
- Correct venting, sized to manufacturer specs
- Upgraded expansion tank (better protection than competitor setups)
- Gas line upgrades when required
- Wall-mounted, neat, organized layouts
- Your installation will look clean, run efficiently, and comply with all codes.
- Fast response and friendly scheduling
- Clear communication
- Techs who arrive prepared and equipped
- Licensed, Bonded & Insured
Majesty Plumbing has been serving Arizona homeowners for over 18 years with integrity and exceptional workmanship.
- Honest Pricing — No Hidden Add-Ons
- We provide clear, upfront pricing.
- No surprise charges. No bait-and-switch.
- Just honest, straightforward value.
What’s Included in a Standard Navien Gas Tankless Installation?
A standard installation includes:
- Removal & disposal of your old 40- or 50-gallon tank-style unit
- Mounting & securing a new Navien tankless water heater
- Connection of all water lines
- Connection of gas line no more than 3 feet from the water heater
- Up to 8 feet of sidewall venting
- Condensate line routed through the same wall, up to 10 feet
- Installation of isolation valve kit needed for annual maintenance
- Startup, testing & complete customer walkthrough
How Our Quote Review Works
Show us a written quote from a licensed, bonded, and insured Phoenix-area plumbing company for the same Navien model and a standard installation*. We’ll compare the scope line by line and give you our best competitive price.
You save money without sacrificing quality, warranty, or craftsmanship.
Contact Majesty Plumbing. Endless hot water awaits you!
Call Now: (480) 677-2221
Text Us: (520) 900-0330
Fast scheduling. Expert installers. Competitive, upfront pricing.
Proudly Serving: Queen Creek • San Tan Valley • Florence • Gold Canyon • Apache Junction • Mesa • Gilbert • Tempe • Chandler • Phoenix • + Surrounding Areas
*Competitive Quote Review – Guidelines
Majesty Plumbing’s Competitive Quote Review applies exclusively to standard gas tankless water heater installations replacing a 40- or 50-gallon tank-style water heater.
To qualify:
- Quote must be in writing or in digital format
- Competitor must be licensed, bonded, and insured
- Quote must match the same brand & model
- Must be within the Phoenix metro service area
A Standard Installation Includes:
- Removal & disposal of your old 40- or 50-gallon tank-style unit
- Mounting & securing a new Navien tankless water heater
- Connection of all water lines
- Connection of gas line no more than 3 feet from the water heater
- Up to 8 feet of sidewall venting
- Condensate line routed through the same wall, up to 10 feet
- Installation of isolation valve kit needed for annual maintenance
- Startup, testing & complete customer walkthrough
Additional charges for Non-Standard installation apply for:
- Roof venting
- Extra vent length
- Extra gas line length
- Dedicated recirculation or return line
- Gas line enlargements beyond typical code needs
Additional terms:
- Offer applies during normal business hours only.
- Majesty Plumbing reserves the right to verify competing quotes and determine eligibility. Final pricing depends on an on-site evaluation of your home.
- Justin Legger via Google
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