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 511 customer reviews

Map of Washburn, IL

Fast and efficient




Did a great job on our install of the washer and dryer. Highly recommend


Map of Mendota, IL

Great install




Installers worked awesome, converted range and was able to use as soon as left!!


Map of Peru, IL

Install of washer




Install of washer was 5 🌟🌟🌟🌟🌟


Map of Hennepin, IL

Great install




Installation went very well, guys very clean and careful


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





kenray g.

kenray g.

installed

Near E 2329th Rd, Marseilles, IL 61341
Marseilles, IL - installed
kenray g.

kenray g.

fixing broken pipes illinois weather 🤷🏼‍♂️ #illinoiswinter #nochill

Near St Vincent Ave, LaSalle, IL 61301
JACOB H.

JACOB H.

Lit pilot on water heater tested all ok

Near County Rd 1225 E, Putnam, IL 61560
JACOB H.

JACOB H.

Replacing filters on make up air units

Near E 39th Ave, Sterling, IL 61081
JACOB H.

JACOB H.

Near County Rd 2300 E, Princeton, IL 61356
Princeton, IL -
JACOB H.

JACOB H.

Installing grab bars in bathrooms

Near County Rd 2300 E, Princeton, IL 61356
JACOB H.

JACOB H.

Installing outdoor hydrants on house

Near W Crown St, Princeton, IL 61356
Princeton, IL - Installing outdoor hydrants on house
JACOB H.

JACOB H.

Replacing sump pump

Near 1st Ave, Ottawa, IL 61350
JACOB H.

JACOB H.

Tankless water heater drain plugged up

Near River Edge Cir, Ottawa, IL 61350
Trent G.

Trent G.

Installing a new waterheater and whole house humidifier

Near Bona Terra Dr, Ottawa, IL 61350
Ottawa, IL - Installing a new waterheater and whole house humidifier