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 394 customer reviews

Map of Minooka, IL

Great price....above and beyond




Review of Grassers Plumbing and Heating

The installer had to do more than the "typical" furnace installation and relocated inlet and exhaust pipes onto a different side of my house. He was great!


Map of Ottawa, IL

Great service




Review of Grassers Plumbing and Heating

On time. Great service


Map of Lacon, IL

Good service




Review of Grassers Plumbing and Heating


Map of Buda, IL

Great job was very polite




Review of Grassers Plumbing and Heating


Map of Streator, IL

Great service




Review of Grassers Plumbing and Heating


Map of North Utica, IL

Good service




Review of Grassers Plumbing and Heating


Map of Streator, IL

Great




Review of Grassers Plumbing and Heating

I would say that the install was very well done. I appreciate the new confidence I have in the furnace you placed for my home. Thank you. Keep up the Great Work! I will come contact Grassers in the future for my HVAC services.


Map of North Utica, IL

Good job




Review of Grassers Plumbing and Heating


Map of Dover, IL

Service




Review of Grassers Plumbing and Heating

Trent was very personable and worked very quickly with knowledge


Map of Leland, IL

Great service




Review of Grassers Plumbing and Heating

Perfect as always


Grasser's Plumbing .

Grasser's Plumbing .

Near Varna, IL 61375
Grasser's Plumbing .

Grasser's Plumbing .

Near LaSalle, IL 61301
Trent G.

Trent G.

Near Princeton, IL 61356
Trent G.

Trent G.

Near Walnut, IL 61376
Grasser's Plumbing .

Grasser's Plumbing .

Near McNabb, IL 61335
Grasser's Plumbing .

Grasser's Plumbing .

Near Princeton, IL 61356
Grasser's Plumbing .

Grasser's Plumbing .

Near LaSalle, IL 61301
Grasser's Plumbing .

Grasser's Plumbing .

Near Arlington, IL 61312
Grasser's Plumbing .

Grasser's Plumbing .

Near La Moille, IL 61330
Grasser's Plumbing .

Grasser's Plumbing .

Near Tiskilwa, IL 61368