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 356 customer reviews

Map of Hennepin, IL

Great price and very courteous and knowledgeable service technicians at installation!




Review of Grassers Plumbing and Heating


Map of Princeton, IL

Friendly and respectful.




Review of Grassers Plumbing and Heating


Map of Oglesby, IL

Great service prompt service




Review of Grassers Plumbing and Heating


Map of Spring Valley, IL

Great service




Review of Grassers Plumbing and Heating

Everything moved Quickly to solve my problem


Map of Peru, IL

All professional people




Review of Grassers Plumbing and Heating

Excellent people to get problems solved


Map of Standard, IL

Great service




Review of Grassers Plumbing and Heating


Map of Wyanet, IL

super job




Review of Grassers Plumbing and Heating

Like every thing else u do a GREAT JOB thsts y we have replaced bad stuff with Grassers appliance. Great job. Like always


Map of Peru, IL

Excellent customer service




Review of Grassers Plumbing and Heating


Map of Princeton, IL

Great Service




Review of Grassers Plumbing and Heating

I had a water leak in the basement Grassers came & repaired the leak. My hot water heater needed to be replaced I called Grassers again & within a couple days I had a new water heater. They were courtesy & very professional.


Map of Grand Ridge, IL

Great service




Review of Grassers Plumbing and Heating


kenray g.

kenray g.

installed new sump pump check valve and discharge line outside

Near W Bryant Cir Dr, Princeton, IL 61356
Princeton, IL - installed new sump pump check valve and discharge line outside
Grasser's Plumbing .

Grasser's Plumbing .

Near Streator, IL 61364
Grasser's Plumbing .

Grasser's Plumbing .

Near North Utica, IL 61373
kenray g.

kenray g.

Near Peru, IL
Grasser's Plumbing .

Grasser's Plumbing .

Near Varna, IL 61375
Grasser's Plumbing .

Grasser's Plumbing .

Near Manlius, IL 61338
Grasser's Plumbing .

Grasser's Plumbing .

Near Lostant, IL 61334
Grasser's Plumbing .

Grasser's Plumbing .

Near Ottawa, IL 61350
Matt B.

Matt B.

Near Marseilles, IL 61341
Heather D.

Heather D.

Near Peru, IL