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

Emergency Service 7 Days a Week

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AC Repair and Replacement
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

Keep Your Home Cool and Comfortable All Summer Long
When your air conditioning system breaks down or stops performing efficiently, you need a reliable team to restore your comfort quickly. Miller Plumbing Heating Cooling Electric provides comprehensive AC services throughout Pittsburgh, PA and surrounding areas. From minor repairs to complete system replacements, we have the solutions you need:
  • Emergency AC repairs available 7 days a week
  • Complete air conditioning system replacements
  • Energy-efficient HVAC upgrades
  • Same-day service when you need it most
  • Free estimates on new HVAC systems
  • Comprehensive diagnostic assessments

Reach out to us today to schedule your service appointment.
Signs Your AC System Needs Professional Attention
Recognizing the warning signs early can save you from costly emergency repairs down the road. Our factory-trained technicians in Pittsburgh, PA help homeowners identify issues before they become major problems. Watch for these common indicators:
  • Warm air blowing from your vents
  • Unusual noises like grinding or squealing
  • Weak airflow throughout your home
  • Frequent cycling on and off
  • Rising energy bills without explanation
  • Moisture or leaks around your unit
  • Unpleasant odors when the system runs

A small issue can quickly become a complete system failure. Our team responds quickly to get your home comfortable again.
Situations That Call for AC Repair or Replacement
Homeowners across Pittsburgh and surrounding areas face various situations that require professional AC services. Understanding when to repair versus replace can help you make informed decisions about your investment. Common scenarios include:
  • Your system is over 10-15 years old
  • Repair costs exceed 50% of replacement value
  • Refrigerant leaks requiring expensive fixes
  • Compressor or condenser failures
  • Inconsistent temperatures between rooms
  • Planning to sell your home soon
  • Rising repair frequency over recent years

Our fully licensed technicians provide honest assessments and upfront pricing, so you'll know exactly what to expect. We'll help you weigh your options and choose the solution that makes the most sense for your home and budget.
Why Choose Miller Plumbing Heating Cooling Electric
Since 1991, Miller Plumbing Heating Cooling Electric has been the locally and family-owned company that Pittsburgh, PA residents trust with their comfort. Our commitment to excellence means you get quality service and peace of mind with every job. Here's what sets us apart:
  • Over 45 years of combined experience
  • DOT-Certified technicians with ongoing training
  • Transparent, upfront pricing with no surprises
  • Manufacturer warranties on new equipment
  • 1-2 year labor warranties on installations
  • Work with insurance companies and handle paperwork
  • Navien Certificate of Achievement holder

We're dedicated to meeting and exceeding your expectations on every job. Our continuing education ensures we stay current with all the products we install and service.
Contact Us
Ready to restore comfort to your home? From emergency repairs to replacement options, we're here to help. Our team serves Pittsburgh and surrounding areas with the professionalism and reliability you need. We offer same-day service and emergency availability seven days a week, so you're never left in the heat. Contact us now to schedule your appointment and experience the difference that quality service makes.
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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 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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Mini split ductless units-01

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Mini split ductless units-03

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