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 449 customer reviews

Map of Princeton, IL

Love Grassers




Matt very kind and helpful Very honest and appreciated


Map of Peru, IL

Knowledge staff




Heather very knowledgeable with appliances and plumbing fixtures Very happy to have come in and have her help me


Map of Peru, IL

Great service




Dishwasher acted up but they worked hard, called company and took care of me!


Map of Henry, IL

Dishwasher install




Dishwasher install is super nice How have I ever lived without


Map of Putnam, IL

Heather is the sweetest




I debated keeping machine but Heather super nice and gave me pointers to try and now love.


Map of Princeton, IL

No complaints




I am a hard man to please and crew was clean and worked hard


Map of North Utica, IL

Great service




Hardworking crew as always


Map of Putnam, IL

Great tec




What a great technician. Honest and super knolwedable


Map of North Utica, IL

Great service




Love this company Great to work with.


Map of Morris, IL

Amazing crew




Worked with Heather on appliances and plumbing and just the sweetest ever and very knowledgeable. Their crew is also excellent and doesn’t leave when something goes wrong. They stay and help figure out the best solution when an item doesn’t fit!!


JACOB H.

JACOB H.

Starting up a new geo thermal unit.

Near 2250 E St, Princeton, IL 61356
Matt B.

Matt B.

Near Princeton, IL 61356
Heather D.

Heather D.

Near Peru, IL
Heather D.

Heather D.

Near ,
Heather D.

Heather D.

Near Peru, IL
Heather D.

Heather D.

Near Henry, IL 61537
Heather D.

Heather D.

Near Putnam, IL 61560
Heather D.

Heather D.

Near Princeton, IL 61356
Heather D.

Heather D.

Near North Utica, IL 61373
Matt B.

Matt B.

Near Putnam, IL 61560