Custom HVAC and Plumbing in the South Hills of Pittsburgh

Hello. We’re Kowalski Heating, Cooling, and Plumbing in McMurray, Pennsylvania.

We started a family HVAC business in 1983, and today we’re second-generation owned and run. Our specialty is high-quality installations and replacements that we design and craft to fit. We deliver full-service custom HVAC and plumbing in the South Hills of Pittsburgh.  

On this page, we’d like to introduce ourselves, tell you how we’re different, and give you a bit of our history. We aim to earn your trust, and your business.

If you’re looking to improve your home or your business with heating, cooling, air quality, or plumbing tailored just for you, get in touch.

Our Team

Meet the folks who lead our company, do the exceptional work we’re known for, run the business, and answer the phone when you call.

Hover on our photos to learn our names and positions, and click our names for more details!

Jason Kowalski

President and CEO

Hometown: McMurray, PA

Jill Kowalski

Jill Kowalski

Vice President and CFO

Hometown: McMurray, PA

Jaison Lieberman

Jaison Lieberman

Master Plumber and Director of Plumbing

Hometown: Canonsburg, PA

Steve Pawlowski

Steve Pawlowski

Director of HVAC

Hometown: Canonsburg, PA

Amy Cortolillo

Amy Cortolillo

Director of Operations

Hometown: Houston, PA

Zack Ameigh

Zach Ameigh

Lead Installer, HVAC

Hometown: Canonsburg, PA

Evan Pelkey

Evan Pelkey

Journeyman Plumber

Hometown: Canonsburg, PA

Chase Caldwell


Hometown: Washington, PA

Andrew Daley

Lead Service Technician

Hometown: Imperial, PA

Gopal Subedi


Hometown: Pittsburgh, PA

Josh Crossman


Hometown: Finleyville, PA

Lou Mazza

Lou Mazza

Shop Manager

Hometown: Washington, PA

Earl DeChiccis

Earl DeChicchis

Parts Delivery

Hometown: New Eagle, PA

Hux Kowalski

Emergency Puppy

Hometown: McMurray, PA

How We're Different

It’s true: all home services companies can look and sound the same.

We think we stand out through three qualities that we deliver to every customer, on every job. These are our “Three C’s,” and we never compromise on them:


Our work fits like it’s made for your home - because it is. Your heating, cooling, and plumbing are critical to your comfort and safety. They deserve a perfect fit, so that’s what we give you.

We custom design ductwork, equipment housing, piping, you name it. Our goal is to provide heating, cooling, and plumbing so perfect for you that you never notice them. If we’ve done our job well, the results perform beautifully in the background.


Trust is important in our work, so we emphasize open and frequent communication. We listen to you and respond, from the very beginning of a project.

We explain our work and value your input at every point in the process. You may have been frustrated by communication with other home services providers in the past. That’s not us.


The entire Kowalski team – from our leadership to every employee - is committed to providing you with exceptional heating, cooling, and plumbing services.

We stand behind our work and want you to be thrilled with the results. If we don’t deliver, we make it right.

We treat your home like we treat our own, and we’re ready to tackle any projects you have for us.

Our History

Nearly 40 years ago, Walt Kowalski started an HVAC business in Cecil Township, Pennsylvania, and gave it the family name. From the beginning, Walt’s oldest son, Jason, enjoyed spending time on projects, watching and learning.

Eventually, Jason started his formal HVAC training – and then never stopped. Jason made it his mission to develop his knowledge at the pace that the industry kept evolving.

Today Jason runs Kowalski Heating, Cooling, and Plumbing with frequent site visits from Walt, who still likes to check out all the work that goes into our larger projects.

With his dad’s legacy, Jason built Kowalski into a design-focused, customer-centric company that tailors every project. In 2019 Jason expanded the business to include plumbing, bringing on the “other,” spelled-differently Jaison – Jaison Lieberman, our brilliant Master Plumber.

In more than 30 years, Kowalski has seen a lot of change, but we’ve learned that customers will always demand and appreciate quality work from an honest team.

That’s all we strive to be, hopefully for the next 30 years and beyond.

Got a heating, cooling, or plumbing project in mind?

We’d love to hear about it and to welcome you into the Kowalski customer family.