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 472 customer reviews

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


Map of Walnut, IL

Great service




Review of Grassers Plumbing and Heating

Always sends someone out the day I call. They are efficient on repairs.


Map of Henry, IL

Heather & the entire team are excellent




Review of Grassers Plumbing and Heating

Heather goes above & beyond to help with our needs at Henry Home & Indian Town Home.


Map of Princeton, IL

Homeowner




Review of Grassers Plumbing and Heating

Outstanding!!!


JACOB H.

JACOB H.

Reset boiler for in floor heat.

Near US-34, Princeton, IL 61356
JACOB H.

JACOB H.

Replacing ignitor on furnace

Near 28th St, Peru, IL 61354
Grasser's Plumbing .

Grasser's Plumbing .

Near Henry, IL 61537
Grasser's Plumbing .

Grasser's Plumbing .

Near Princeton, IL 61356
Grasser's Plumbing .

Grasser's Plumbing .

Near Princeton, IL 61356
Grasser's Plumbing .

Grasser's Plumbing .

Near Ottawa, IL 61350
Grasser's Plumbing .

Grasser's Plumbing .

Near Tiskilwa, IL 61368
Grasser's Plumbing .

Grasser's Plumbing .

Near Magnolia, IL 61336
Grasser's Plumbing .

Grasser's Plumbing .

Near Dalzell, IL 61320
Grasser's Plumbing .

Grasser's Plumbing .

Near Princeton, IL 61356