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 342 customer reviews

Map of McNabb, IL

Great service




Review of Grassers Plumbing and Heating

Installer was friendly and quick


Map of LaSalle, IL

Excellent




Review of Grassers Plumbing and Heating


Map of Compton, IL

Really fantastic service!




Review of Grassers Plumbing and Heating

Joe did an awesome job. He is super professional, very courteous, explained things, and was about the nicest service person we have ever had. The AC works great and we are very happy. The team at Grasser's has been a delight - and I wouldn't normally use that word to describe a way to spend a bunch of money. Thank you.


Map of Peru, IL

Great service




Review of Grassers Plumbing and Heating


Map of Morris, IL

Quick Service




Review of Grassers Plumbing and Heating

I appreciate the immediate service Grasser’s gave me when I had an ejector pump in our basement go out. They were there the next day after I called.


Map of Dalzell, IL

Great Service




Review of Grassers Plumbing and Heating

Matt Berger is very knowledgeable and I feel we are in great hands when he comes to service our air conditioner/furnace. He is very honest and trustworthy and I know he will be able to fix our problem. He is a pleasure to be around. Thank you for sending him 😊


Map of Princeton, IL

Great service.




Review of Grassers Plumbing and Heating

Very professional and answered all of our questions. Took great care in moving appliances in and out without damaging anything.


Map of LaSalle, IL

Awesome service




Review of Grassers Plumbing and Heating

Had a wonderful tech who refused to give up until he solved the problem on our central air. Was refreshing not to have someone who just wanted to replace the unit.


Map of Granville, IL

Great service!!




Review of Grassers Plumbing and Heating


Map of Princeton, IL

Ac




Review of Grassers Plumbing and Heating


Gregory D.

Gregory D.

Near Streator, IL 61364
Matt B.

Matt B.

Near E Dakota St, Spring Valley, IL 61362
Matt B.

Matt B.

Near Strawberry Dr, Varna, IL 61375
Matt B.

Matt B.

Near Strawberry Dr, Varna, IL 61375
kenray g.

kenray g.

Near N 2753rd Rd, Ottawa, IL 61350
kenray g.

kenray g.

Near East St. Louis, IL
JACOB H.

JACOB H.

Near Prairie Ln, Princeton, IL 61356
JACOB H.

JACOB H.

Near County Rd 1500 E, Walnut, IL 61376
JACOB H.

JACOB H.

Near Trail Dr, Dixon, IL 61021
Gregory D.

Gregory D.

Near Liberty Ln, Peru, IL 61354