HVAC Services in West Mifflin, PA

Proudly Serving Greater Pittsburgh, PA & Surrounding Areas For Over 33 Years

Every J&A service call starts at 347 Lebanon Road, which puts most West Mifflin addresses a short drive from a technician. That matters when a furnace quits on a January night in a postwar ranch off Route 885, or when a sump pump falls behind during a spring storm on a hillside lot near Kennywood. Since 1993, our team has handled heating, cooling, plumbing, drain, and electrical work for homeowners across the borough and the surrounding Allegheny County communities.

Heating, Cooling, Plumbing and Electrical Work for West Mifflin Homes

West Mifflin sits in IECC climate zone 5A, which means long heating seasons, humid summers, and enough freeze-thaw cycles to stress pipes, foundations, and outdoor equipment. One phone call covers every system in the house.

Furnace, Boiler and Heat Pump Service

Heating carries the load from October through April here. Our technicians handle furnace repair, boiler repair, and heat pump repair, plus full system replacements when an older unit no longer makes sense to fix. The complete list lives on our heating services page.

Air Conditioning Repair and Installation

Summer humidity along the Monongahela shows up fast as sticky rooms and rising Duquesne Light bills when a cooling system is undersized or low on refrigerant. We diagnose and fix those problems through our air conditioning repair service and install high-efficiency replacements, including Trane equipment.

Plumbing, Water Heaters and Drains

From a leaking supply line to a failed water heater, our licensed plumbers work on the systems that keep water moving through your home. When the problem sits below the floor, our drain and sewer team uses camera inspections to find the cause before recommending a fix.

Electrical Repair and Panel Upgrades

Many West Mifflin homes still run on electrical service sized long before central air, induction ranges, and EV chargers. Our electricians handle electrical repair, panel and breaker work, and whole-home generator installation for households that cannot afford an outage.

Common Problems in Postwar West Mifflin Houses

Most of the borough was built in the years after World War II, and the median construction year for local homes is 1957. Those houses were well built, but their original mechanical systems are now more than 60 years old. These are the issues we see most often:

  • Ductwork sized for an older furnace, which leaves upstairs bedrooms cold in winter and hot in July after a newer, more efficient system is installed.
  • Galvanized steel water lines that corrode from the inside, reducing water pressure and eventually leaking behind walls.
  • Cast iron or clay sewer laterals that crack or collect roots, especially on the wooded lots common in the borough.
  • Basements on sloped lots that take on water after heavy rain, which is why a working sump pump is not optional in much of West Mifflin.

Knowing the housing stock lets our technicians anticipate problems instead of discovering them halfway through a job.

J&A Heating, Cooling, Plumbing & Electrical

Because we dispatch from Lebanon Road, West Mifflin calls are among the shortest drives on our schedule. Live answering is available around the clock, and the dispatcher will give you an arrival window when you call.
Not always, but it should be checked. Original ducts in postwar homes were often sized for older equipment. Your technician will measure airflow before a heating replacement so the new system heats every room evenly.
Many homes in the borough sit on sloped, wooded lots where runoff collects against the foundation. A properly sized sump pump with a working check valve is the first line of defense. We handle both sump pump repair and new installations.
Homes from the 1950s and 1960s were often built with electrical service that is too small for modern loads. An electrician can calculate your load and recommend circuit breaker or panel upgrades before you add an EV charger.
Early fall is ideal, before the first cold snap fills the schedule. A furnace tune-up catches worn igniters, dirty flame sensors, and cracked components before they cause a no-heat call.

Experience The J&A difference For Yourself!

With a team of experienced trade professionals and a commitment to excellence, J&A Heating, Cooling, Plumbing, & Electrical is your one-stop-shop for residential HVAC, Plumbing and Electrical services. Our highly trained technicians stand ready to assist homeowners with anything from repairs to equipment replacement and do-it-yourself improvement projects. Our broad service offering means that you call just one company to handle your wide-ranging needs. J&A Heating, Cooling, Plumbing, & Electrical serves more homes in Western Pennsylvania than any similar service providers in our area. We maintain a fleet of over 50 service vehicles so that we can offer convenient appointment times throughout the majority of Allegheny, Butler, and Washington Counties.

Covering West Mifflin From Kennywood Boulevard to the County Airport

The borough covers about 14 square miles of hilly, wooded terrain, with its eastern edge running along the Monongahela River. Our crews regularly work in neighborhoods near Kennywood Park, the historic amusement park that has operated off Kennywood Boulevard since 1898, and around Allegheny County Airport, whose 1931 Art Deco terminal still stands along PA 885.

Calls come in from homes along Lebanon Road, the Route 51 corridor near the former Century III site, and the residential streets throughout ZIP code 15122. Beyond the borough line, we also serve Homestead, Pleasant Hills, Baldwin, Jefferson Hills, and dozens of other communities across the South Hills and Mon Valley.

What Happens After You Call (412) 376-5030

A live person answers 24 hours a day, 7 days a week, so a burst pipe at 2 a.m. gets the same response as a routine appointment request. Your technician diagnoses the problem and quotes the job using flat rate pricing, which means the price is set by the job instead of the hours on the clock.

For larger projects such as a furnace or air conditioner replacement, financing options help spread out the cost. Homeowners who want fewer surprises can join our maintenance plan membership for scheduled tune-ups on heating and cooling equipment.

Licensed Technicians Serving Allegheny County Since 1993

J&A began as a heating and cooling company and added plumbing, electrical, and drain services as West Mifflin homeowners asked for more. We hold HVAC registration PA203614 and plumbing license PL-04515, maintain an A+ rating with the Better Business Bureau, and are a Trane dealer. We also support the Wounded Warrior Project.

Visit or contact us: 347 Lebanon Rd, West Mifflin, PA 15122 | (412) 376-5030

What West Mifflin Residents Say About J&A Home Services

Specials

24/7 emergency service ensures help is always available.

Americans with Disabilities Act (ADA) Notice

At J&A Heating, Cooling, Plumbing & Electrical, we are committed to ensuring that individuals with disabilities enjoy full access to our websites. In recognition of this commitment, we are in the process of making modifications to increase the accessibility and usability of this website, using the relevant portions of the Web Content Accessibility Guidelines 2.0 (WCAG 2.0) as our standard. Please be aware that our efforts are ongoing. If at any time you have difficulty using this website or with a particular web page or function on this site, please contact us by phone at (412) 376-5030 or email us at info@trustja.com and place “Web Content Accessibility (ADA)” in the subject heading and we will make all reasonable efforts to assist you