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Free Estimates on New HVAC Systems and Tankless Water Heaters Same-Day Service Available

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Tankless Water Heaters
Pittsburgh, PA

Free Estimates on New HVAC Systems and Tankless Water Heaters Same-Day Service Available

Emergency Service 7 Days a Week

Request Lorem Epsom

Hero Request Form

Experience Endless Hot Water With Modern Tankless Technology
When you need efficient, on-demand hot water for your home or business in Pittsburgh, PA, tankless water heaters provide a reliable solution. These innovative systems heat water only when you need it, eliminating standby energy loss and reducing utility costs. If you're upgrading an outdated tank or building new, Miller Plumbing Heating Cooling Electric offers professional installation and maintenance throughout Pittsburgh and surrounding areas. Reach out to us to discover how a tankless system can improve your daily comfort.
Signs You Could Benefit From a Tankless Water Heater
Homeowners and businesses in Pittsburgh, PA often discover that switching to a tankless water heater solves common frustrations while delivering long-term savings. Recognizing when it's time to upgrade helps you make informed decisions about your property's efficiency.
  • Running out of hot water during showers or daily tasks
  • High energy bills from constantly heating stored water
  • Limited space for a bulky traditional tank
  • Frequent repairs on an aging water heater
  • Interest in a more environmentally friendly option

Making the switch to tankless technology means you'll enjoy consistent hot water whenever you need it, without the wait or waste.
The Advantages of Choosing Tankless Water Heaters
Residents throughout Pittsburgh and surrounding areas are discovering the value of tankless water heaters for their homes and businesses. These systems provide immediate hot water while taking up minimal space and lasting longer than traditional tanks.
  • Lower monthly energy costs through on-demand heating
  • Compact design saves valuable floor space
  • Longer lifespan compared to conventional tanks
  • Reduced risk of water damage from tank leaks
  • Consistent water temperature for multiple fixtures

With a tankless system installed by qualified professionals, you gain both convenience and peace of mind knowing your hot water needs are covered efficiently.

DID YOU KNOW?

Miller Plumbing is Certified Navien dealer.

Why Choose Miller Plumbing Heating Cooling Electric
When you select Miller Plumbing Heating Cooling Electric for your tankless water heater needs in Pittsburgh, PA, you're working with a locally and family-owned company that's been serving the community since 1991. Our team brings over 45 years of combined experience to every installation and service call.
  • Fully licensed professionals handling every job
  • Transparent, upfront pricing with no surprises
  • Factory-trained technicians with DOT certification
  • Navien Certificate of Achievement recognition
  • Ongoing training on the latest equipment
  • Complimentary estimates on new tankless installations
  • Emergency service available seven days a week
  • Same-day service when you need it most
  • Manufacturer warranties and 1-2 year labor guarantees
  • Assistance with insurance claims and documentation

Our commitment is to meet and exceed your expectations with every interaction, ensuring your complete satisfaction.
Contact Us
Ready to enjoy endless hot water and lower energy bills? Miller Plumbing Heating Cooling Electric is here to help you select and install the perfect tankless water heater for your needs throughout Pittsburgh and surrounding areas. Our experienced team will guide you through the process, answer your questions, and ensure a seamless installation. Contact us today to schedule your free estimate and start experiencing the benefits of modern, efficient hot water.
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Reviews

Eligible for a Rebate and or a Federal Tax Credit?

HOW TO CHECK UTILITY REBATES:



Buy a Heat Pump Water Heater (HPWH) for a residential installation. Click on the link, select your zip code, and search for "heat pump."

FEDERAL TAX CREDIT 30% OF TOTAL INSTALLED COST UP TO $2,000

Customers may also be eligible for a federal tax credit when they purchase a Heat Pump Water Heater. Consult with tax adviser for applicability.

PITTSBURGH'S LEADING INSTALLER

OF NAVIEN TANKLESS WATER HEATERS & COMBINATION BOILERS

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

Check Out Some of Our Recent Tankless Water Heater Upgrades

Basement utility area with a tankless water heater, pipes, expansion tank, and a white water tank.
Basement utility room with brick walls, exposed pipes, white boiler, and small water tank.
Wall-mounted white boiler with copper pipes, blue expansion tank, and venting in a utility room.
Wall-mounted white boiler unit with pipes and gauges in a basement utility room.
White wall-mounted boiler with exposed copper pipes and gauges in a utility basement
Navien boiler and copper plumbing pipes mounted on a plywood wall in a utility room
Basement wall with a white wall-mounted boiler, copper pipes, and utility meters on a brick wall.
Basement utility wall with boiler, water heater, and copper plumbing pipes.
Basement furnace and HVAC equipment with ducts, pipes, and a metal cabinet against a wall
Wall-mounted water heater with copper pipes and utility tank in a basement utility room
White wall-mounted boiler or HVAC unit with pipes and ducting in a utility room.
Basement utility area with a white boiler unit on a black metal frame and exposed pipes.
Basement utility room with furnace, ductwork, and electrical panels beside exposed pipes and concrete walls
Basement utility room with exposed pipes, water heater, boiler, and wall-mounted furnace.
White boiler/furnace on metal legs in a basement utility room, with pipes, bucket, and stored items nearby

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Recent Chimney Liner Projects

Leaf blower and cleaning supplies on a patio beside a bench and white fence

Heat Pumps

See What Miller's Heating Maintenance Looks Like

See What Your Boiler Can Look Like

Basement utility room with water softener, water heater, furnace, and wall-mounted boiler near exposed pipes.
White water heater and gray tank in a utility room with exposed pipes and concrete floor.
Indoor HVAC furnace and ductwork in a utility closet, with white PVC piping and a dark furnace unit.
Wall-mounted white water heater with pipes, controls, and utility equipment in a basement or utility room.
Basement wall with water heater, boiler, pipes, and utilities against white cinderblock walls
Wall-mounted white water heater with pipes and gauges in a utility room
Wall-mounted white boiler with copper piping and ducts in a utility room against a brick wall
Wall-mounted boiler with exposed copper pipes and a blue expansion tank in a utility room
Basement utility room with boiler, pipes, electrical panels, and water tank against exposed brick walls
White wall-mounted boiler with pipes and gauges in a utility room
Navien boiler and copper plumbing installed on unfinished plywood wall with pressure tank.
Basement utility area with water heater, boiler, pipes, and pressure tank against a concrete wall
Basement utility area with wall-mounted water heater, pipes, expansion tank, and utility sink
Wall-mounted boiler and plumbing in a basement utility room beside a utility sink.
Wall-mounted boiler and plumbing in a basement utility room

State-of-the-Art Furnaces We've Installed

Water softener unit with copper pipes and valves in a basement utility area.
White wall vent cover on a red wall beside an electrical outlet.
Gray furnace and ductwork in a basement utility room with exposed wooden framing.
Basement furnace and HVAC unit with ducts, pipes, and electrical panels along concrete wall.
Basement utility room with furnace, ductwork, pipes, and electrical panels on concrete floor

Check Out Our Sump Pump and Sewer Repairs

Two white industrial pipes with valves running through a dim concrete utility room.
Plumbing pipes and valves mounted in a wall cavity, with a blue support bar across the middle.
A white pipe runs through a narrow trench lined with gravel and dirt.
White PVC pipe joint with purple primer in muddy trench beside standing water
PVC pipes and a white drainage pipe laid along gravel beside a stone wall
Inside a dark industrial tunnel, pipes and red valves line the curved walls near a lit stairway.
Electrical box and PVC pipes in a dirt trench, marked with caution tape at a construction site
Colorful chalk markings and small flags on a grassy lawn, marking a landscaped area or garden layout
PVC pipe installed in a narrow dirt trench with exposed soil walls

Check Out Our Sump Pump and Sewer Repairs

Two white industrial pipes with valves running through a dim concrete utility room.
Plumbing pipes and valves mounted in a wall cavity, with a blue support bar across the middle.
A white pipe runs through a narrow trench lined with gravel and dirt.
White PVC pipe joint with purple primer in muddy trench beside standing water
PVC pipes and a white drainage pipe laid along gravel beside a stone wall
Inside a dark industrial tunnel, pipes and red valves line the curved walls near a lit stairway.
Electrical box and PVC pipes in a dirt trench, marked with caution tape at a construction site
PVC pipe installed in a narrow dirt trench with exposed soil walls

See Some of Our Recent Sewer Line Repairs

Two white industrial pipes with valves running through a dim concrete utility room.
Plumbing pipes and valves mounted in a wall cavity, with a blue support bar across the middle.
A white pipe runs through a narrow trench lined with gravel and dirt.
White PVC pipe joint with purple primer in muddy trench beside standing water
PVC pipes and a white drainage pipe laid along gravel beside a stone wall
Inside a dark industrial tunnel, pipes and red valves line the curved walls near a lit stairway.
Electrical box and PVC pipes in a dirt trench, marked with caution tape at a construction site
Colorful chalk markings and small flags on a grassy lawn, marking a landscaped area or garden layout
PVC pipe installed in a narrow dirt trench with exposed soil walls

Charger Water Treatment - Water Softeners

Recent Water Heater Installations

Basement utility area with a tankless water heater, pipes, expansion tank, and a white water tank.
Basement utility room with brick walls, exposed pipes, white boiler, and small water tank.
Wall-mounted white boiler with copper pipes, blue expansion tank, and venting in a utility room.
Wall-mounted white boiler unit with pipes and gauges in a basement utility room.
White wall-mounted boiler with exposed copper pipes and gauges in a utility basement
Navien boiler and copper plumbing pipes mounted on a plywood wall in a utility room
Basement wall with a white wall-mounted boiler, copper pipes, and utility meters on a brick wall.
Basement utility wall with boiler, water heater, and copper plumbing pipes.
Basement furnace and HVAC equipment with ducts, pipes, and a metal cabinet against a wall
Wall-mounted water heater with copper pipes and utility tank in a basement utility room
White wall-mounted boiler or HVAC unit with pipes and ducting in a utility room.
Basement utility area with a white boiler unit on a black metal frame and exposed pipes.
Basement utility room with furnace, ductwork, and electrical panels beside exposed pipes and concrete walls
Basement utility room with exposed pipes, water heater, boiler, and wall-mounted furnace.
White boiler/furnace on metal legs in a basement utility room, with pipes, bucket, and stored items nearby