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 507 customer reviews

Map of Varna, IL

never had a bad experiance with grassers





Map of Princeton, IL

Great technician




So happy with a Doug and work he did at our home. Love Grassers


Map of Peru, IL

Great installation




Loved Matt and Brandon who came To install my appliances. They did an amazing job can’t say enough good things


Map of Peru, IL

Great and so beautiful




Love all the appliances Heather did a fantastic job!!!


Map of Mendota, IL

Great service!!!!!!




Enough said:)))


Map of Henry, IL

Great service





Map of Spring Valley, IL

Awesome company




Great company to work with:)


Map of Dalzell, IL

Great price




Excellent prices for their exceptional work


Map of Amboy, IL

Trusted service




Trust Grassers and their work


Map of Dalzell, IL

Trent went above and beyond. Good job!




Came,took apart, cleaned ignitor, gave us very good follow up inst.


JACOB H.

JACOB H.

Replaced control board on one furnace and thermocouple on another

Near County Rd 1400 N, Henry, IL 61537
Trent G.

Trent G.

No heat

Near County Rd 2000 E, Varna, IL 61375
Trent G.

Trent G.

No heat bad inducer motor.

Near Sunnyslope Dr, Varna, IL 61375
Trent G.

Trent G.

No heat bad inducer motor

Near Sunnyslope Dr, Varna, IL 61375
kenray g.

kenray g.

installing twin softener

Near N 2551st Rd, Peru, IL 61354
Peru, IL - installing twin softener
Doug H.

Doug H.

Near Princeton, IL 61356
kenray g.

kenray g.

installing water softener

Near 1375 N Ave, Spring Valley, IL 61362
Spring Valley, IL - installing water softener
kenray g.

kenray g.

installing reverse osmosis system.....HOWS YOUR WATER

Near 1660 N Ave, Peru, IL 61354
Peru, IL - installing reverse osmosis system.....HOWS  YOUR WATER
Matt B.

Matt B.

Near Peru, IL
Heather D.

Heather D.

Near Peru, IL