Maertin Heating & Cooling

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About Maertin Heating & Cooling
Maertin Heating & Cooling has earned a 5.0-star average across 333 verified customer reviews, positioning the company as Mokena's most highly rated HVAC provider.Operating from 19150 S. Wolf Rd. in Mokena, the contractor maintains extended weekday hours from 9 AM to 6 PM and dispatches service technicians throughout Will and Cook Counties. The company's documented service footprint extends to Frankfort, New Lenox, Manhattan, Homer Glen, Lockport, Orland Park, and Tinley Park, giving residents across the southwest suburban corridor direct access to responsive heating and cooling support.
What distinguishes Maertin Heating & Cooling from neighboring contractors is their investment in diagnostic technology and their commitment to transparent pricing. Their technicians arrive equipped with video inspection cameras capable of examining heat exchanger interiors, a service level rarely offered by competitors. The company integrates smart thermostat technology into new installations, allowing homeowners to monitor and adjust systems remotely. Additionally, Maertin maintains financing options and helps customers access available utility rebates when replacing aging equipment with high-efficiency models.
Customer reviews reveal a pattern ofnamed technicians delivering personalized solutions. Richard Lewis conducted what one reviewer described as the most thorough furnace inspection they had ever experienced, employing a flexible cable camera to examine the heat exchanger and clearing a clogged P-Trap that multiple prior companies had missed. Another review recounts Scott and his team replacing dual 24-year-old furnace and AC units, handling complex work in tight residential spaces while maintaining communication throughout the project. Cristian, described as pleasant and knowledgeable, performed a furnace tune-up and identified a water heater leak during the service call.
What Customers Say
Three hundred thirty-three reviews yield a perfect 5.0-star average, with every sampled reviewer awarding five stars. Multiple reviewers explicitly note Maertin's competitive pricing compared to prior HVAC providers, with one stating they are the most reasonably priced service of all HVAC services used before. Emergency and same-day service availability appears across multiple positive reviews.
Working Hours
| Sunday | Closed |
| Monday | 9 AM–6 PM |
| Tuesday | 9 AM–6 PM |
| Wednesday | 9 AM–6 PM |
| Thursday | 9 AM–6 PM |
| Friday | 9 AM–6 PM |
| SaturdayToday | Closed |
Services
Furnace Installation & Replacement
High-efficiency gas furnace installation including complex retrofits requiring work in confined residential spaces.
AC Repair & Maintenance
Air conditioning repair, tune-ups, and seasonal maintenance to restore cooling performance and efficiency.
Heat Pump Services
Installation and repair of heat pump systems providing both heating and cooling from single equipment.
Ductless HVAC Systems
Ductless mini-split installation for zoned heating and cooling in older homes lacking ductwork.
Indoor Air Quality Solutions
Assessment and remediation of airborne contaminants affecting home air quality and freshness.
Smart Thermostat Integration
Remote monitoring and control of home heating and cooling through connected smart device platforms.
Commercial HVAC Systems
HVAC solutions tailored to business environments requiring controlled indoor climates for employee comfort and operational needs.