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 390 customer reviews

Map of Henry, IL

Great customer service!




After an incident their staff was wonderful to work with. They really do care about their customers and want to make it right! No questions asked.


Map of Princeton, IL

Best Technician around




Highly recommend Matt for Air Conditioning Checks. He is so informative and nice, Grasser's is so lucky!!!


Map of Mendota, IL

Helpful and sweet




Stopped in today and Heather waited on me. Very helpful, took her time and explained everything. Very impressed, so happy to have bought washer and dryer from her!


Map of Ottawa, IL

Matt was the best




Matt came in the rain and worked on my air conditioner, never complained and did an outstanding job.


Map of Putnam, IL

Great service




Thanks Scott for your great service as always! Grassers always there for us when needed


Map of McNabb, IL

In and Out




I had appliance guys over to re-do my dryer vent and they were in and out. Got the problem solved quickly and very clean!


Map of Henry, IL

Always helpful




Called in to ask a silly question and Heather answered the phone. Super nice and friendly and of course gave me all the information I needed. Thank you.


Map of Hennepin, IL

Matt rocks!




I have never met a more knowledgeable and efficient technician. If you need appliance service, ASK FOR MATT!


Map of El Paso, IL

LOVE GRASSERS




Plumber who came was kind, friendly and did the job the way I expected to be done, no questions asked.


Map of Peru, IL

Awesome Job




Clean, efficient and got job done in a timely manner


JACOB H.

JACOB H.

Found earwig in contactor on air conditioner

Near 1900 N Ave, Princeton, IL 61356
JACOB H.

JACOB H.

Charging ac unit

Near Central St, Spring Valley, IL 61362
Heather D.

Heather D.

Near Henry, IL 61537
Matt B.

Matt B.

Near Princeton, IL 61356
JACOB H.

JACOB H.

Replaced contactors on package unit

Near Village Center Dr, Burr Ridge, IL 60527
JACOB H.

JACOB H.

Lit water heater pilot was out

Near Fulton St, Peru, IL 61354
JACOB H.

JACOB H.

Charging up ac from job we did this fall

Near 1st St, LaSalle, IL 61301
JACOB H.

JACOB H.

Charging up ac from winter instal.

Near 1st St, LaSalle, IL 61301
JACOB H.

JACOB H.

Charging up ac

Near Todd St, LaSalle, IL 61301
JACOB H.

JACOB H.

Charging ac

Near S Columbia Ave, Oglesby, IL 61348