What happens if my furnace stops working during a cold spell?

Grasser's offers same-day response for heating emergencies, with technicians arriving at the scheduled time.

Can they handle both plumbing and HVAC needs in one visit?

Yes, reviewers describe receiving both plumbing and HVAC repairs within the same week from the same company.

How quickly can I get an appointment for AC maintenance?

The company responds to email requests promptly and schedules appointments based on availability.

Do they stand behind their repair work?

Customer reviews mention the company honors warranties and stands behind completed repairs.

What should I expect during a system installation?

Reviewers describe technicians as thorough, explaining every detail before, during, and after installation.

Grasser's Plumbing & Heating, Inc.

HVAC contractor

4.8(2,158 reviews)

404 Main St, McNabb, IL 61335

(815) 882-2111

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About Grasser's Plumbing & Heating, Inc.

Grasser's Plumbing & Heating, Inc. operates from McNabb, Illinois, delivering HVAC and plumbing services across the region. The contractor holds a 4.8-star rating derived from 2,158 customer reviews, reflecting consistent service delivery in residential heating and cooling systems. Operating hours span Monday through Friday from 8 AM to 5 PM, with Saturday availability until noon and Sunday closure.

The company handles system installations, repairs, and routine maintenance across heating and cooling equipment. Customer feedback highlights responsive scheduling and thorough diagnostic approaches for equipment issues. Service offerings encompass new system setup, component repairs, and preventive maintenance visits.

Multiple reviewers describe specific technicians handling distinct scenarios. Mark and Joe completed a full system installation described as thorough and efficient. Jacob Hook managed a challenging shower and toilet rough-in project. Brian diagnosed and repaired a furnace issue with accuracy. Another technician performed same-week service calls for both plumbing and HVAC needs, with each repair explained clearly to the homeowner.

What Customers Say

All eight sampled reviewers award five stars, with four explicitly naming a technician: Mark, Joe, Jacob Hook, and Brian. Customers reference polite demeanor, on-time arrival, and reasonable pricing alongside technical skill.

4.8 · 2,158 reviews

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Working Hours

SundayToday	Closed
Monday	8 AM–5 PM
Tuesday	8 AM–5 PM
Wednesday	8 AM–5 PM
Thursday	8 AM–5 PM
Friday	8 AM–5 PM
Saturday	8 AM–12 PM

Services

Heating System Installation

New furnace or heating system installation with old equipment removal and disposal.

AC Repair & Maintenance

Air conditioning tune-ups, diagnostics, and repair services for cooling systems.

Furnace Repair

Furnace diagnostics and repair services to restore heating functionality.

Plumbing Installation

Shower, toilet, and pedestal sink rough-in and installation services.

Water Heater Services

Natural gas water heater delivery, installation, and old unit removal.