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 442 customer reviews

Map of Putnam, IL

Great tec




What a great technician. Honest and super knolwedable


Map of North Utica, IL

Great service




Love this company Great to work with.


Map of Morris, IL

Amazing crew




Worked with Heather on appliances and plumbing and just the sweetest ever and very knowledgeable. Their crew is also excellent and doesn’t leave when something goes wrong. They stay and help figure out the best solution when an item doesn’t fit!!


Map of Princeton, IL

Awesome Price




Heather was so nice and helpful when I stopped in. She worked with me on the pricing of my new appliance and I am so happy.


Map of Leonore, IL

Nice young man




Had Greg out and was so nice and kind to me. he did a great job and just very pleasant to be around. thank you grassers


Map of Streator, IL

Sweet girl




Had Heather on phone and was so sweet and helpful. thank you


Map of Spring Valley, IL

Awesome Guy




We had a few people and a service tech come work on my oven and the Awesome Guy found the issue.


Map of Streator, IL

100% reliable




am a new customer and had been referred to them from a friend. i will def be back. they are nice, reliable and best priced around. thank you for your fast service.


Map of Dalzell, IL

Happy customer




Had Grassers out this am to do a furnace check and clean. They did a great job, explained everything and even gave me a price on a new furnace because they noticed I had a co leak I didn't even know about. Price was better then I expected. Will be going with a new one!!!


Map of Serena, IL

Happy Happy




Very happy and love my new appliance, thank you Grassers!


Matt B.

Matt B.

Near Putnam, IL 61560
Heather D.

Heather D.

Near North Utica, IL 61373
Heather D.

Heather D.

Near North Utica, IL 61373
JACOB H.

JACOB H.

-

Near N State St, Chicago, IL 60601
JACOB H.

JACOB H.

Furnace has bad heat exchanger

Near S Main St, Sheffield, IL 61361
JACOB H.

JACOB H.

Replaced fuel filter and adjusted all settings on oil burner.

Near E 0 Rd, Peru, IL 61354
JACOB H.

JACOB H.

Flushed tankless water heater

Near Ontario Ave, Wenona, IL 61377
JACOB H.

JACOB H.

Boiler has a bad heat exhaust

Near N 42nd Rd, Mendota, IL 61342
JACOB H.

JACOB H.

Replacing expansion tank relief valve auto vent and pump on a boiler and bleeding radiators

Near County Rd 2050 E, Princeton, IL 61356
JACOB H.

JACOB H.

Replaced exhaust blower and collector box on furnace

Near St Bede Ln, Spring Valley, IL 61362