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

Rated 4.9 out of 5 stars based on 353 customer reviews

Map of Naplate, IL

Great service




Always will come back to Grassers. They sent someone out after I had no heat and got me taken care of. Even let me pay half now and other half next month! Amazing company to deal with:)


Map of Ottawa, IL

Sink Install




Just had Ken here and he was excellent. I love Grassers and all their workers, so pleasant and easy to deal with. Merry Christmas!


Map of Hennepin, IL

Happy I stopped in.




Stopped in for a new dishwasher and very happy and pleased with service I got from Heather. Very nice and accommodating and took her time with me.


Map of Walnut, IL

Very sweet and helpful




Heather took her time showing me different options and just very sweet and knowledgeable. Highly recommend her to anyone looking for a new appliance.


Map of Lostant, IL

Great Job




good work boys, appliances look great


Map of Seneca, IL

Best quality service around




Can't say more about Grassers other then being doing business with them for over 30 years and never disappoint. Best service and technicians around.


Map of Princeton, IL

Excellent Staff




Everyone my wife and I dealt with was so courteous, helpful and just amazing to deal with. Highly recommend Grassers.


Map of Serena, IL

Excellent Staff




Appliance Crew did a really fantastic job and were very neat and courteous. We are very impressed with your people!


Map of Ottawa, IL

They did a fantastic job !





Map of Dixon, IL

Great Service




Pete was outstanding, his service and knowledge was excellent. Great job Grassers


Heather D.

Heather D.

Near Naplate, IL 61350
Scott O.

Scott O.

Near Sheridan, IL 60551
Heather D.

Heather D.

Near Ottawa, IL 61350
Heather D.

Heather D.

Near Hennepin, IL
Heather D.

Heather D.

Near Walnut, IL 61376
Scott O.

Scott O.

Near Princeton, IL 61356
Matt B.

Matt B.

Near Lostant, IL 61334
Matt B.

Matt B.

Near Seneca, IL
Heather D.

Heather D.

Near Princeton, IL 61356
John  L.

John L.

Near Serena, IL 60549