Rated 5.0 from 219+ Reviews

Professional HVAC Services in Carol Stream & Chicagoland

Same-day emergency service available. Trusted by families for over 10 years for reliable heating, cooling, and air quality solutions.

Licensed & Insured
24/7 Emergency
10-Year Warranty
Trane Partner

Let Us Service Your Home

Fast Response Time

We know what it's like when your HVAC breaks down. So, we know the importance of prompt efficient service.

24/7 Emergency Services

Because you never know when an HVAC disaster is going to happen. We are ready and available 24 hours a day, 7 days a week.

Flexible Appointments

We understand that weekends may be your only available time, and we're here to meet your needs.

Request Services

WE RESPOND QUICK!

If this is an emergency, please call (630) 283-7981

Your Comfort Is Our Priority

When you need reliable HVAC services, you want a team that treats your home like their own. At Gray's Mechanical, you get the kind of service that prioritizes comfort, air quality, and energy efficiency to keep your house as comfortable as possible. Whether it's air conditioning repair during the summer months or giving your home's heating system the maintenance it needs to keep you warm through chilly nights, our technicians know how to keep your HVAC system running smoothly. Your home deserves a trusted HVAC company, and we're here to handle everything from routine maintenance to unexpected repairs. Stay cool in the hot summers and warm in the winter—all while saving money on your energy bills. With our expert care, you can rely on us to keep your system in top shape year-round.

Preventive Care

Our Exclusive AC & Heating Preventive Maintenance Plan

Our preventative maintenance plan covers both air conditioning and heating services so your units perform at maximum efficiency. Regular maintenance means fewer repairs, better air quality, and cost savings for you.

Gray's Mechanical is proud to offer a comprehensive HVAC maintenance plan. Every customer is a member of our family and, therefore, gets the Gray's Mechanical Guarantee.

Membership Benefits
  • Two maintenances (Spring and Fall)
  • Discounted destination charge
  • Fewer repairs
  • Up to 15% discount on any repair
  • Priority customer
  • 24 hour emergency service
  • Fix minor issues before they become major problems
  • Keep your unit running at maximum efficiency
  • Help prevent mid-season breakdowns
Two visits per year - Spring & Fall
Trane Products

We are proud to offer:

TRANE® Products

Tough

TRANE tests their products for 2,600 hours in bone-chilling cold and blistering heat. They push their technology so the system you get serves you for up to 12-20 years.

Efficient

Many of TRANE's systems are ENERGY STAR certified. Look out for efficiency ratings on our products to see how much you may save.

Innovative

TRANE's HVAC systems have come far, but never settle. With 1,500 heating and cooling patents, their technology is engineered to be better than the rest.

Trusted

For 120 years, TRANE have been the market leaders at improving HVAC systems. TRANE grew into a household name as our customers continued to return to reliable products.

Why Choose Gray's Mechanical?

With over 10 years of experience serving Carol Stream and the greater Chicagoland area, we've built our reputation on reliability, expertise, and genuine care for our customers.

Gray's Mechanical professional HVAC installation
10+
Years
219+
Reviews
5.0
Rating

Fast Response Time

We know what it's like when your HVAC breaks down. So, we know the importance of prompt efficient service.

24/7 Emergency Services

Because you never know when an HVAC disaster is going to happen. We are ready and available 24 hours a day, 7 days a week.

Flexible Appointments

We understand that weekends may be your only available time, and we're here to meet your needs.

10-Year Warranty

We stand behind our work with industry-leading warranties on parts and labor for your peace of mind.

Certified Professionals

Our technicians are fully licensed, insured, and continuously trained on the latest HVAC technologies.

Family-Owned Business

As a local family business, we treat every customer like family and take pride in serving our community.

Comprehensive HVAC Services in Carol Stream

Are you looking to set up a new system, need a quick fix, or seek a maintenance plan? From air conditioning repair to boiler installations, our range of HVAC services is tailored to keep your system in top shape.

AC Installation

Looking to upgrade your cooling system? We offer premium AC installation services to keep your space cool and energy-efficient. Our skilled technicians will take the time to understand your needs, suggest the best units, and install them carefully.

AC Repair

Feeling overwhelmed by the summer heat? Our expert AC repair services will ensure your home stays cool and comfortable, providing the relief you need during those scorching days.

Heating Repair

Don't get left out in the cold this winter. Our reliable heating repair services ensure your home stays warm and comfortable all season long, no matter how chilly it gets outside.

Heating Installation

Need a new heater? Our team offers professional installation of heating systems tailored specifically to your home's needs. We'll assess your space, suggest the best options, and make sure the installation goes smoothly.

Heat Pumps / Mini Splits

Versatile and effective, our heat pumps and mini splits cater to heating and cooling needs, ensuring your home stays comfortable year-round with reliable temperature control and energy efficiency.

Electric Heat Pump

Go green with our energy-efficient electric heat pump installations and repairs. Reduce your carbon footprint and enjoy savings on energy bills. It's a smart option for eco-conscious homeowners.

HVAC in Carol Stream

HVAC in Carol Stream is crucial for maintaining comfortable living environments throughout the year in this diverse climate. HVAC, short for Heating, Ventilation, and Air Conditioning, covers installing, maintaining, and fixing systems that control indoor temperature and air quality.

Proper HVAC services ensure that homes remain energy-efficient and air circulation meets health standards. Efficient HVAC systems keep us comfortable, help lower our energy bills, and reduce our environmental footprint.

At Gray's Mechanical, all your HVAC needs are covered in Carol Stream. Our dedication to friendly service, reliable solutions, and top-notch expertise make us the go-to choice for your home comfort.

Installation

Setting up new HVAC systems for optimal performance.

Repairs

Fixing issues promptly to restore functionality.

Maintenance

Regular check-ups to prolong the lifespan of your equipment.

Expert Team

Meet Our Expert Technicians

Certified and Experienced Professionals

At Gray's Mechanical, we're proud of our skilled team of certified and experienced technicians. Our experts aren't just knowledgeable but genuinely passionate about providing the best HVAC solutions. They continuously train to stay ahead of industry trends and technologies and truly care about their work.

You can rely on our team members to handle any HVAC challenge with precision and expertise, bringing you the comfort you deserve.

Friendly and Reliable Service

We believe that excellent service isn't just about technical know-how - it's also about the human touch. Our technicians are friendly and approachable, always happy to answer your questions, address your concerns, and find the best solutions for you.

We strive to build lasting relationships with our Carol Stream customers through dedication and genuine, personable service.

Gray's Mechanical certified HVAC technician
Our Promise

10-Year Guarantee on Our A/C Units

At Gray's Mechanical, we understand that sometimes things don't go exactly as planned after a new A/C installation. That's why we proudly offer a 10-year labor guarantee on our new A/C units.

If your A/C experiences any issues within the first year after installation, just give us a call, and we'll fix it. No questions asked. We stand by our work, and your satisfaction is our ultimate goal.

And if you sign up to be a maintenance member, that 10-year warranty for new residential installations is all yours.

Our commitment is clear: Should anything go wrong with your air conditioner or furnace, Gray's Mechanical is just a phone call away to provide a swift and professional solution.

10 Year Warranty Badge

What's Covered

  • All parts and labor on new installations
  • Priority service for warranty claims
  • No questions asked repairs
  • Extended coverage with maintenance membership

Flexible Financing

Buy Today, Pay Over Time

  • Flexible financing that lets you spread the cost over time
  • Convenient monthly payments
  • Easy account management
  • Get the HVAC system you need now
  • No financial strain on your budget
Affordable Comfort

Flexible Financing Options

At Gray's Mechanical, we're committed to making your home's comfort affordable and stress-free. That's why we offer flexible financing options.

Our financing plans are designed to help you get the HVAC system you need now without the financial strain. Why wait? Enjoy flexible financing that lets you spread the cost over time.

With convenient monthly payments, managing your budget has never been easier. Plus, account management is straightforward and hassle-free, ensuring you can focus on what truly matters.

5 Rating from 219+ Reviews

What Our Customers Say

From first impressions to lasting results, discover why people choose us again and again through their honest reviews.

Quality Craftsmanship

Our Work

Take a look at some of our recent HVAC installations and repairs throughout the Chicagoland area.

Furnace installation
Professional furnace setup
Natural gas furnace installation
High-efficiency furnace
Serving Chicagoland & Beyond

Our Service Areas

We proudly serve Carol Stream and the surrounding Chicagoland communities with professional HVAC services.

Ready to Experience the Gray's Mechanical Difference?

Whether you're a new homeowner or simply looking to upgrade your current system, we're here to assist. Don't wait—reach out today and let us bring comfort to your home.

Emergency? Call (630) 283-7981 for 24/7 support