Top Quality Products for Your Heating and Air

At Kowalski, three things drive the HVAC products we offer:
Our Experience

After decades of installing and caring for HVAC in Pittsburgh, we know what works best in homes and buildings here, in every season.

Our Focus on Quality

Each HVAC product we use is worthy of our quality guarantee. We do not waste our time or yours with subpar products.

Our Commitment to Customers

We insist on safe, efficient, durable, and well-designed HVAC products. If we wouldn’t put it in our own home, we won’t put it in yours.

Want to Talk HVAC Products for Your Home?

Lennox Premier Dealer

As a Lennox Premier Dealer, Kowalski offers you several advantages:

Exceptional Service

Lennox Premier Dealers must perform to a standard that exceeds customer expectations.

Industry-Leading Products

Lennox is an HVAC innovator and trusted brand that has served customers for more than 100 years.

Special Deals

We have access to product promotions and discounts that other HVAC companies don’t, and we’re able to share these perks with customers.

Featured Lennox HVAC Products

Following are some of the best-performing Lennox products we install and service:

Lennox Air Conditioning Systems

Lennox Heat Pumps

Lennox Furnaces

Lennox Air Quality Products

Lennox Thermostats

Lennox Mini Splits

Want to Learn More about Lennox HVAC Products?

Other HVAC and Hot Water Products

Kowalski installs all the top-quality HVAC and water heater brands. We also service whatever brands you have in your home.

Here are some of our best-sellers in the Pittsburgh area:

Thermo Pride Oil Furnaces

For more than 75 years, the Thermo Pride brand has been hand-crafting high-durability, high-efficiency HVAC products.
Learn More at Thermo Pride

Weil-McLain Boilers

Weil-McLain has been making hydronic heating systems for residential and commercial spaces for almost 150 years.
Learn More at Weil-McLain

Dunkirk Boilers

Weil-McLain has been making hydronic heating systems for residential and commercial spaces for almost 150 years.
Learn More at Dunkirk

Mitsubishi Ductless Systems

Mitsubishi offers mini-split air conditioners and heat pumps that deliver great comfort and efficiency with zero emissions.
Learn More at Mitsubishi

A. O. Smith Water Heaters

A. O. Smith has been a leader in hot water solutions for 80 years, with both traditional and tankless models.
Learn More at A.O. Smith

Vesta On-Demand Hot Water

In 2016 Vesta emerged as an innovator in delivering endless hot water for homes and businesses.
Learn More at Vesta

Honeywell T4 Pro Thermostat

This programmable thermostat learns to activate your HVAC based on the time your home needs to reach ideal temperatures.
Learn More at Honeywell

Install the Best HVAC Products in Your Home