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23 Years
experience
Emergency
services
Trusted Plumbing & HVAC Solutions in Rock Falls, IL
MO-ST Plumbing & Mechanical was founded in April 2003 by Jay Morthland and Joe Stithem with a clear mission: to deliver exceptional customer service and high-quality workmanship at reasonable rates in the Sauk Valley area. Over two decades, we have grown from a small operation with minimal resources into a 25-person team operating across two commercial locations in northern Illinois. Our expansion in 2017 to include an HVAC division and commercial refrigeration services reflects our commitment to meeting diverse customer needs. We invest continuously in training, technology, and equipment to serve residential, commercial, and industrial clients effectively. Our core values remain unchanged: providing reliable, professional service tailored to every project, no matter its scale.

With over 40 years of combined industry experience, we approach every challenge with expertise and dedication. Our reputation for prompt, courteous service is built on years of addressing urgent needs, such as emergency heating repairs during extreme weather. We prioritize transparency, ensuring clients receive clear communication and fair pricing. As a locally owned business, we understand the unique demands of our community and strive to exceed expectations in every interaction. Our growth is a testament to the trust our customers place in our ability to deliver lasting solutions.
Services
Plumbing HVAC Commercial Refrigeration Residential Plumbing Commercial HVAC
Details
  • Year established: 2003
Highlights and features
  • We offer 24/7 emergency service for urgent plumbing and HVAC needs.
  • Our team brings over 40 years of combined experience in the industry.
  • We provide transparent pricing with no hidden fees.
  • We service residential, commercial, and industrial clients across northern Illinois.
  • Our HVAC and refrigeration divisions offer comprehensive installation and repair.
What people say
Super thankful for Jay taking care of us! Very courteous Professional and courteous Reasonable price Recommend them for all plumbing needs
Services
Plumbing
We provide comprehensive plumbing solutions for residential and commercial properties, including repairs, installations, and emergency services. Our licensed technicians use advanced tools to address leaks, pipe issues, and system upgrades efficiently. With 24/7 availability, we ensure minimal disruption to your daily operations while maintaining high standards of workmanship.
HVAC
Our HVAC division designs, installs, and maintains heating, cooling, and ventilation systems for homes and businesses. We service all major brands and offer preventative maintenance to extend system longevity. Emergency repairs are prioritized to restore comfort quickly, supported by our team's expertise in modern energy-efficient technologies.
Commercial Refrigeration
We specialize in commercial and industrial refrigeration systems, offering sales, installation, and repair services. Our technicians handle walk-in coolers, refrigeration units, and temperature-controlled environments. Regular maintenance plans ensure compliance with health standards and prevent costly breakdowns in food service and storage facilities.
People
Jay Morthland
Co-Owner
Jay Morthland co-founded MO-ST Plumbing & Mechanical in 2003, bringing over 20 years of plumbing expertise. He oversees project execution and customer relations, ensuring adherence to quality standards.
Joe Stithem
Co-Owner
Joe Stithem, co-owner since 2003, focuses on operational growth and technical training. His 20+ years in the industry drive the company's expansion into HVAC and refrigeration services.
Todd Penticoff
HVAC Division Manager
Todd Penticoff leads our HVAC division, managing installations and maintenance for residential and commercial clients. His team ensures energy-efficient climate control solutions tailored to client needs.
Questions
What services does MO-ST Plumbing & Mechanical offer?
We provide plumbing, HVAC, and commercial refrigeration services, including emergency repairs, installations, and maintenance for residential and commercial clients.
Do you offer 24/7 emergency service?
Yes, we provide 24/7 emergency support for urgent plumbing, HVAC, and refrigeration issues outside regular business hours.
What areas do you serve?
We serve Sauk Valley, Rock Falls, Dixon, and surrounding areas in northern Illinois for all our service lines.
Are your technicians licensed and insured?
Yes, all our technicians are fully licensed, insured, and trained to handle residential and commercial projects safely and efficiently.