Comfort Zone Service

Is this your business?
Verify your details, earn a verified badge, and start getting customer inquiries. Takes about a minute by phone.
Claim This Business FreeClaiming is free. Featured placement is optional, $99/mo.
About Comfort Zone Service
Comfort Zone Service is a family-owned HVAC contractor based in Mokena, Illinois, holding a perfect 5.0-star rating across 314 client reviews. The company operates Monday through Saturday with extended evening hours, offering same-day appointment availability for urgent needs. Their service area encompasses Mokena and surrounding Will County communities, delivering both residential and light commercial heating and cooling solutions. Customers consistently praise the team's responsiveness and professionalism, with one reviewer noting a technician arrived within a couple of hours of their morning call during a furnace emergency.
This contractor distinguishes itself through several notable capabilities. As a Carrier authorized dealer, they provide factory-backed warranties on new equipment installations including furnaces, air conditioners, and heat pumps. Their service menu extends beyond traditional HVAC work to include indoor air quality solutions such as whole-home filtration, UV purification systems, and humidifiers. Emergency HVAC services are available for unexpected system failures, addressing situations that require immediate attention outside normal business hours.
Customer testimonials reveal the practical value of Comfort Zone Service's approach. One Mokena homeowner described their experience replacing a 17-year-old Carrier furnace, detailing how the technician provided a thorough comparison of repair versus replacement costs before recommending the new installation. The same client had the option to upgrade to a smart thermostat during the project, which the technician installed without requiring additional C-wire modifications. Another reviewer highlighted the team's politeness throughout the process, from initial phone contact through completion of the heating system work.
What Customers Say
Three hundred fourteen reviews yield perfect marks, with multiple reviewers specifically praising same-day response times and transparent cost estimates between repair and replacement options. Positive feedback frequently mentions the technician's willingness to explain equipment conditions and recommend appropriate solutions rather than pushing unnecessary upgrades.
Working Hours
| Sunday | Closed |
| Monday | 7 AM–7 PM |
| Tuesday | 7 AM–7 PM |
| Wednesday | 7 AM–7 PM |
| Thursday | 7 AM–7 PM |
| Friday | 7 AM–7 PM |
| SaturdayToday | 8 AM–12 PM |
Services
AC Repair & Maintenance
Diagnose cooling failures, refrigerant leaks, capacitor issues; seasonal tune-ups restore efficiency and extend equipment lifespan.
AC Installation & Replacement
Carrier dealer installations include rebates; proper sizing calculations ensure optimal performance and humidity control.
Heating System Services
Furnace and boiler repair, heat pump installation, garage heater setups covering gas, electric, and dual-fuel configurations.
Ductless Mini-Split Systems
Variable-speed mini-splits for homes without ductwork; individual room temperature control and zone-specific scheduling.
Indoor Air Quality Solutions
HEPA filtration, UV purifiers, whole-home humidifiers, and ventilation upgrades addressing Chicago suburban humidity extremes.
Emergency HVAC Response
Same-day service for system failures; availability extends weekday evenings and saturday mornings for urgent situations.