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 388 customer reviews

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


Map of Bureau Junction, IL

Can't say enough!




This company is the best I have ever seen in years! After an issue with a plumbing problem caused by a local company, they fixed issue! After the local company that wouldn't cover any costs for the damage Grasser's gave me a break and discount for the work THEY DID TO HELP ME OUT! Seriously who does that? They help me and took care of me where the other company screwed me. Amazing company to work with!


Map of Spring Valley, IL

Quick and Clean




Tec that came out was friendly and got the job done in hardly any time and was very clean. When he left didn't even know someone was in my house.


JACOB H.

JACOB H.

Start up for new house

Near Hickory Point Rd, Metamora, IL 61548
JACOB H.

JACOB H.

Checked ac

Near Co Hwy 4, Hennepin, IL 61327
Heather D.

Heather D.

Near Mendota, IL 61342
JACOB H.

JACOB H.

Replacing copper pipe that was spraying water in basement

Near Canal St, LaSalle, IL 61301
Matt B.

Matt B.

Near Ottawa, IL 61350
JACOB H.

JACOB H.

Replaced burner assembly on water heater

Near E 29th Rd, Seneca, IL 61360
JACOB H.

JACOB H.

Replaced fill valve on toilet

Near S 6th St, Princeton, IL 61356
JACOB H.

JACOB H.

Found dirty a coil cleaned and checked ac

Near E Main St, Granville, IL 61326
JACOB H.

JACOB H.

Charging up ac installed in fall

Near E 1479th Rd, Ottawa, IL 61350
JACOB H.

JACOB H.

Starting up new ac installed this fall

Near Hitt St, Ottawa, IL 61350