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.
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
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Peg - Princeton, IL
Diagnosed furnace problem quickly. Had replacement part in his truck. Got our furnace running quickly
Happy customer
Jolene - Mendota, IL
Always go to Grassers for all my service needs! Thanks for everything:)
Great company and service
Sam - Princeton, IL
Heather was a great sales clerk and gave me exactly the information I needed!!
Very happy with appliance and service
Kathryn - Ottawa, IL
Great price on my Maytag refrigerator and knowledgeable and amazing staff
Amazing sales clerk
Thomas - Tonica, IL
Heather was so knowledgeable I can’t say enough good things!! Exactly what I been looking for in honesty and brains!!
Superior service, quickly answered the call
White - Buda, IL
Quick Response
Nick - North Utica, IL
We were under a polar vortex and our furnace was not working properly. I called Grasser’s and within a couple hours they were here. Our service technician was knowledgeable and shared with me some tips to keep my furnace running well. Excellent service overall.
Great
Larry - Peru, IL
Grasser's Great Service
Tom - Varna, IL
Our serviceman was fast, efficient, and respectful of our home and made sure he didn't track snow through the house. Very nice young man.
Good service
Kevin - Ottawa, IL
JACOB H.
Replacing boiler pump
Trent G.
Replacing a heat exchanger
JACOB H.
Installing spark box control for fireplace
JACOB H.
Reprogramming remote for fireplace.
Heather D.
Nice sunny day in McNabb...but still cold!!
KD .
Checking out issue in Aurora il
Doug H.
Install water heater
Trent G.
Changing your filter makes your furnace happy and run properly. This was an unhappy furnace
Matt O.
Installing new appliances for another location at Heritage Harbor
Trent G.
No heat