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#1 Navien Tankless Water Heater Installations in Pittsburgh

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Navien Tankless Solutions for Your Home

At Miller Plumbing Heating Cooling Electric, we specialize in providing high-quality Navien tankless water heaters. Our team ensures you never run out of hot water while saving on energy costs. Whether you need an endless supply of hot water or a high-efficiency combination boiler, we have the perfect solution for you. Our services include:


  • Endless hot water systems
  • High-efficiency combination boilers
  • Energy-efficient solutions
  • Accurate temperature control
  • Space-saving installations
  • Improved water quality management


Call (412) 725-0864 today to find out more about our Navien tankless systems.

DID YOU KNOW?

Miller Plumbing is Certified Navien dealer.

A certificate of achievement for navien plumbing heating and cooling
A certificate of achievement for miller plumbing heating and cooling

Why You Need a Navien Tankless System

Switching to a Navien tankless water heater offers numerous advantages that traditional water heaters can't match. Here’s why you should consider upgrading:


  • Save on energy costs
  • Never run out of hot water again
  • Save space in your basement or laundry room
  • Better control of hot water temperature
  • Improved handling of minerals and sediments
  • Longer lifespan than traditional water heaters
  • Tax credits and utility rebates available


Navien is the #1 selling tankless water heaters.

Navien high-efficiency tankless water heaters provide endless domestic hot water, all while keeping your utility bills low.

Check out the money-saving offer on this page and then call Miller Plumbing Heating Cooling Electric.

(412) 725-0864

(412) 725-0864

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eligible for a Rebate and or a Federal Tax Credit?

Pittsburgh's Leading Installer 

of Navien Tankless Water Heaters & Combination Boilers

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Condensing vs Non-Condensing 

Tankless Water Heaters

What’s the difference between condensing and non-condensing tankless water heaters?

Condensing Non-Condensing
Initial cost Usually higher than comparable non-condensing Usually lower than comparable condensing
Long term operating cost Lower than typical non-condensing tankless and storage tank system Could be higher than condensing but lower than storage tank systems
Efficiency Ultra-high Efficiency (UEF up to .96) High Efficiency (UEF > .80)
Maintenance requirement Annual service recommended Minimal
Venting PVC acceptable 3" x 5" metal concentric required
Installation Location Indoors or Outdoors (wall mounted) Indoors or Outdoors (wall mounted)
Durability Stainless steel heat exchanger extend service life Stainless steel heat exchanger extend service life
Dimensions Slightly larger than non-condensing, about 70-80% smaller than tank system Slightly smaller than condensing, 80% smaller than tank system

Recent Water Heater Installations

A water heater is sitting next to a boiler in a basement
A boiler is mounted to a brick wall in a basement
A white water heater with copper pipes attached to it
A white water heater is mounted on a brick wall next to copper pipes.
A white water heater is surrounded by copper pipes
A white navien boiler is surrounded by copper pipes
A white water heater is mounted to a brick wall
A water heater is installed in a basement with copper pipes.
A picture of a heating and cooling system in a garage.
A white water heater is installed in a basement next to copper pipes.

$15 OFF

Installation of New Code-Approved Hot Water Tank

Offer valid Monday - Friday, 8 AM to 4 PM. One coupon per household per visit. Mention this coupon at the time of calling or emailing for service. Present coupon at time of service. Not to be combined with any other offer.

Schedule Your Appointment Today.

(412) 725-0864

(412) 725-0864

$35 OFF

Pittsburgh's Leading Installer of Navien Tankless Water Heaters and Combination Boilers

Offer valid Monday - Friday, 8 AM to 4 PM. One coupon per household per visit. Mention this coupon at the time of calling or emailing for service. Not to be combined with any other offer, can’t be used for annual maintenance. Cannot be used towards trip fee.

Schedule Your Appointment Today.

(412) 725-0864

(412) 725-0864

FREE

Carbon Monoxide Test

Is your hot water tank and furnace safe?

Offer valid Monday - Friday, 8 AM to 4 PM. One coupon per household per visit. Mention this coupon at the time of calling or emailing for service. Present coupon at time of service

Schedule Your Appointment Today.

(412) 725-0864

(412) 725-0864

$100 OFF

Installation of High-Efficiency Tankless Water Heater

Offer valid Monday - Friday, 8 AM to 4 PM. One coupon per household per visit. Mention this coupon at the time of calling or emailing for service. Not to be combined with any other offer, can’t be used for annual maintenance. Cannot be used towards trip fee.

Schedule Your Appointment Today.

(412) 725-0864

(412) 725-0864

Benefits of Choosing Miller Plumbing Heating Cooling Electric


When you choose Miller Plumbing Heating Cooling Electric, you are opting for quality, reliability, and expertise. Our team is committed to providing top-tier service to ensure your satisfaction. Here are some benefits of working with us:


  • Since 1991
  • Service 7 days a week
  • DOT-certified for gas line installations
  • Factory-trained technicians
  • Financing available
  • Licensed business
  • Locally owned
  • Minimum 1-year parts and labor warranty
  • Over 45 years of experience
  • Same-day estimates
  • Same-day service available
  • Upfront pricing
  • Works with insurance companies and assists with paperwork


Contact us today to experience the benefits of our professional water heater services.


Contact Us

For all your water heater needs, get in touch with Miller Plumbing Heating Cooling Electric. Our team is ready to provide you with expert advice, same-day estimates, and reliable service. Reach out to us to ensure your home has a dependable and efficient hot water supply.

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