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 475 customer reviews

Map of Dalzell, IL

Great friendly service




Review of Grassers Plumbing and Heating


Map of Tiskilwa, IL

My Furnace was not working. It was a very cold day. And they came immediately and fixed the problem.




Review of Grassers Plumbing and Heating

Furnace was not working. It was a very cold day, and they came immediately and fixed the problem.


Map of Hollowayville, IL

Dependable service




Review of Grassers Plumbing and Heating


Map of Magnolia, IL

Good service




Review of Grassers Plumbing and Heating


Map of Streator, IL

Quick Response




Review of Grassers Plumbing and Heating

Grasser's and their staff have always been very good. They are always professional and courteous.


Map of Ottawa, IL

Great service




Review of Grassers Plumbing and Heating


Map of Streator, IL

Good work, quick.




Review of Grassers Plumbing and Heating

Duane was friendly and helpful.


Map of DePue, IL

Wonderful service




Review of Grassers Plumbing and Heating


Map of LaSalle, IL

Good job. Well done.




Review of Grassers Plumbing and Heating

Doug arrived on time and got right to work. Very professional. His third installation call in 4 years.


Map of Peru, IL

Great service




Review of Grassers Plumbing and Heating

Technician was knowledgeable and friendly. He answered all my questions. He was prompt and left the work area clean


Grasser's Plumbing .

Grasser's Plumbing .

Near Peru, IL 61354
Grasser's Plumbing .

Grasser's Plumbing .

Near Dalzell, IL 61320
Grasser's Plumbing .

Grasser's Plumbing .

Near Spring Valley, IL 61362
Grasser's Plumbing .

Grasser's Plumbing .

Near Tiskilwa, IL 61368
Grasser's Plumbing .

Grasser's Plumbing .

Near Mendota, IL 61342
Grasser's Plumbing .

Grasser's Plumbing .

Near Ottawa, IL 61350
Grasser's Plumbing .

Grasser's Plumbing .

Near Seneca, IL 61360
Grasser's Plumbing .

Grasser's Plumbing .

Near Mendota, IL 61342
Grasser's Plumbing .

Grasser's Plumbing .

Near Long Point, IL 61333
Grasser's Plumbing .

Grasser's Plumbing .

Near Varna, IL 61375