Preventative Maintenance Plans

Our vision is to change how HVAC service is approached—moving away from emergency, breakdown-driven service and toward planned, reliable system performance.

We aim to be the company customers trust to:

• Keep equipment running consistently 
• Provide clear, honest guidance 
• Deliver long-term value—not short-term fixes

 Our mission is to provide proactive HVAC solutions that protect your equipment, reduce operating costs, and eliminate unnecessary disruptions.

We do this by:

• Identifying issues early 
• Maintaining systems properly 
• Recommending only what is needed 

No guesswork. No upselling. Just dependable service built around your system’s performance.

 Most HVAC failures don’t happen suddenly—they build over time.

Dirty coils, worn components, and minor electrical issues lead to:

• System breakdowns 
• Expensive emergency repairs 
• Reduced efficiency 
• Shortened equipment life 

Maintenance stops these problems before they start.

 Our maintenance programs are structured to deliver real value—not just quick inspections.

• Scheduled seasonal maintenance visits 
• Full system inspections and performance checks 
• Filter replacement and airflow evaluation 
• Coil cleaning and component inspection 
• Electrical testing and tightening connections 
• Refrigerant level checks and diagnostics 
• Detailed condition reports and recommendations

 For commercial properties, maintenance isn’t optional—it’s essential.

Our programs help:

• Reduce tenant complaints 
• Prevent costly downtime 
• Extend rooftop unit (RTU) life 
• Improve energy efficiency 
• Provide predictable budgeting 

We work with:

• Restaurants
• Property managers 
• Facility managers 
• Business owners 

Our goal is to become your long-term HVAC partner, not just a service call.

 Honest, straightforward recommendations 

• No unnecessary upselling 
• Consistent, reliable service 
• Focus on long-term system performance 
• Built around preventative—not reactive—service 

We don’t make our money off emergencies—we help you avoid them.

 We provide HVAC maintenance services in:

• New Lenox, IL 
• Mokena, IL 
• Tinley Park, IL 
• Orland Park, IL 
• Lockport, IL 
• Homer Glen, IL 
• Frankfort, IL 

 If you’re ready to reduce breakdowns, lower long-term costs, and take control of your HVAC system, we’re ready to help.

Call 708-525-8748 or email OneTrueNorthHVAC@gmail.com to enroll in a preventative maintenance plan today.