Grassers Plumbing & Heating

Illinois Valley’s Largest Plumbing, Heating & Air Conditioning Contractor

World class sales and service!

Award Winning Plumbing and HVAC Services.

Serving – LaSalle, Ottawa, Princeton, Peru Spring Valley & Beyond.

Grassers Plumbing & Heating is a reliable air conditioning, heating, plumbing company located in McNabb IL. serving the Illinois Valley for over 75 yrs. Our family owned and operated company is friendly, reliable, and affordable to bring your home or business total comfort.

Financing  Available

Give us a call at (815) 882-2111 or Click on the Apply Now Button Below to get started.

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Contact us today to schedule an appointment


WHY Grasser’s Plumbing & Heating?

24/7 Emergency Plumbing & HVAC

With over 40 trucks on the road at any given time our technicians and plumbers can respond to your emergency – fast. Our plumbers and HVAC technicians offer 24/7 emergency repair service, whether it’s a holiday, weekend or at 3:00 am, our friendly technicians can be there when you need service most.

We Stand Behind Our Projects

When you think of plumbing, it probably doesn’t paint a pretty picture in your head. The majority of time, when you contact a plumber it is usually an emergency. Yes, we take care of some not so pleasant projects, but we help create some wonderful kitchens and state of the art bathrooms.  We carry top name brands like Onyx, Wet Wall and Tyvarian.

At Grasser’s we are constantly educating our staff using the best technology and offering that to our customers. Whether you are looking to install a new shower head, bathroom or kitchen sink look no further. We carry the best and biggest names in plumbing fixtures. We want to help you create the room of your dreams. Some of our projects are dirty and muddy, but we are proud of our workmanship and getting things back up and running as quickly and neatly as possible.

Whether we just completed a large remodel or did a small fixture update, you will see the pride in our craftsmanship no matter what the project is!