Maximize Your Comfort With Our Expert HVAC Services

Erwin Heating & Cooling Inc. provides complete HVAC services for homes and businesses across Posen, IL and 25+ Chicago south suburbs. From furnaces and hot water tanks to mini splits, radiators, and duct work — we do it all, 24/7.

Meet Erwin Mendez

Erwin Mendez has been proudly serving Posen, IL and the Chicago south suburbs since 2012. As a certified Indoor Comfort Specialist, Erwin brings hands-on expertise, honest service, and 24/7 availability to every job — big or small. Bilingual: English & Spanish.

Certified Technicians

Cost-Effective Solutions

Quick response

ABOUT US

Our Services

Elevate Your Comfort with Our Expertise

Furnace Repair & Installation

Expert furnace installation, repair, and maintenance for all major brands — residential and commercial.

Hot Water Tank Service

Installation, repair, and maintenance of residential and commercial hot water tank systems.

Mini Split Installation

Ductless mini split installation and service for efficient zone heating and cooling in any space.

Duct Work & Sealing

Complete duct work installation, repair, and sealing to improve air quality and system efficiency.

Space Heaters & Radiators

Sales, installation, and repair of space heaters and radiator systems for reliable indoor warmth.

Preventive Maintenance

Scheduled tune-ups and seasonal maintenance to keep your HVAC system running efficiently year-round.

Proudly Serving Posen & the Chicago South Suburbs Since 2012

Erwin Mendez puts customers first on every job — honest pricing, quality work, and no runaround. Whether it's a furnace repair in January or a mini split install in July, we show up when you need us. BBB A+ Accredited. Bilingual: English & Spanish.

STILL NOT SURE?

Frequently Asked Questions

We understand the importance of clarity and are here to provide answers to your most common queries.

How often should I have my HVAC system serviced?

It’s recommended to service your HVAC system at least twice a year — once before summer for your air conditioning and once before winter for your heating system.

What are the signs that my HVAC system needs repair?

Common signs include unusual noises, inconsistent temperatures, higher energy bills, and poor airflow.

Are your technicians certified and insured?

Yes, all our technicians are fully certified, licensed, and insured to provide professional and reliable HVAC services.

How long does an HVAC system typically last?

With proper maintenance, most HVAC systems last between 10 to 15 years, depending on usage and brand quality.

Do you offer emergency HVAC repair services?

Yes, we provide 24/7 emergency repair services to ensure your comfort is restored as quickly as possible.

What types of HVAC systems do you install?

We install central air conditioning systems, ductless mini-splits, heat pumps, and furnaces, customized to fit your needs.

How can I reduce my HVAC energy costs?

Regular maintenance, proper insulation, using energy-efficient equipment, and setting your thermostat to optimal temperatures can help reduce energy costs.

How can I improve the energy efficiency of my HVAC system?

Regular maintenance, cleaning/replacing filters, sealing ductwork, and upgrading to a programmable thermostat can significantly improve efficiency.

Ready for Year-Round Indoor Comfort?

Call us at (708) 752-5245 or book online. Serving Posen and 25+ Chicago south suburbs. Available 24/7. Se habla español.

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