404 Main St.McNabb, IL
815-882-2111 • 800-644-9238
24/7 Emergency Service Available
About Grassers

LaSalle & Bureau Counties Largest Plumbing, Heating and Air Conditioning Contractor

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 60 yrs. Our family owned and operated company is friendly, reliable, and affordable to bring your home or business total comfort.

SEE SOME OF OUR AMAZING REVIEWS!

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.

Local Reviews

Grassers Plumbing and Heating Rated 4.9 out of 5 stars based on 321 customer reviews

Map of Neponset, IL

Very professional




Review of Grassers Plumbing and Heating

We had an RO system put in. We were very happy that he cleaned up before left, explained everything to us.


Map of Princeton, IL

Courtesy and prompt service. Explained things and fast completion




Review of Grassers Plumbing and Heating


Map of Leland, IL

Great service! The guys were very pleasant




Review of Grassers Plumbing and Heating


Map of Peru, IL

Grassers Plumbing is very experienced, they make sure it's done right!




Review of Grassers Plumbing and Heating

Very happy with Grassers service with a smile!


Map of Oglesby, IL

Awesome Service




Review of Grassers Plumbing and Heating

The installation guys were awesome. During the installation they found we needed new shutoffs for the washer so a plumber was called and new shutoffs were installed within an hour. Didnt delay the process at at. Great job.


Map of Oglesby, IL

Trustworthy service




Review of Grassers Plumbing and Heating


Map of LaSalle, IL

Great service and on time




Review of Grassers Plumbing and Heating


Map of Granville, IL

Great service




Review of Grassers Plumbing and Heating

Fast,fair price!


Map of Varna, IL

never had a bad experiance with grassers




Review of Grassers Plumbing and Heating


Map of Dalzell, IL

Trent went above and beyond. Good job!




Review of Grassers Plumbing and Heating

Came,took apart, cleaned ignitor, gave us very good follow up inst.


kenray g.

kenray g.

Near Neponset, IL 61345
kenray g.

kenray g.

Near Neponset, IL 61345
Grasser's Plumbing .

Grasser's Plumbing .

Near Peru, IL
Grasser's Plumbing .

Grasser's Plumbing .

Near Princeton, IL 61356
Grasser's Plumbing .

Grasser's Plumbing .

Near Bureau Junction, IL
Grasser's Plumbing .

Grasser's Plumbing .

Near Spring Valley, IL 61362
Grasser's Plumbing .

Grasser's Plumbing .

Near Ottawa, IL 61350
Grasser's Plumbing .

Grasser's Plumbing .

Near Peru, IL
Doug H.

Doug H.

Near Peru, IL
Doug H.

Doug H.

Near Mendota, IL 61342