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HVAC Carol Stream IL

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  • Great Choice! Eco Temp HVAC Home Services Technicians Are The Highest-Rated Cooling & Heating Install Teams in the area!


    In order to customize your new system, we’ll connect you with your very own Comfort Consultant and set up a FREE in-home estimate to discuss:


    • Our Industry-Leading Up To 10-Year Warranty
    • Current Discounts & Rebates
    • Financing Options
    • Guaranteed Right-Sized Equipment for Your Home
    • Smart-Home Integration & Options

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Trusted HVAC Services in Carol Stream, IL – Heating, Cooling & Indoor Comfort Experts

Eco Temp HVAC is your local, full-service heating and cooling company in Carol Stream, IL, delivering expert installation, repair, and maintenance for all HVAC systems. Just minutes from our Bartlett location, our licensed and insured technicians know the unique comfort needs of DuPage County homes and businesses. Whether you need a fast furnace repair in the middle of winter or a complete AC installation before the summer heat, we provide reliable service backed by years of experience and a 100% satisfaction guarantee.

Five HVAC technicians standing near a furnace.

Heating Services in Carol Stream, IL

Stay warm all winter with our professional heating repair, replacement, and maintenance services. We work on all major brands and specialize in:

Air Conditioning Services in Carol Stream, IL

Summers in Carol Stream can be hot and humid, but we’ll keep your home cool with expert air conditioning repair, installation, and tune-ups:

Water Heater Services – Tank & Tankless

We provide complete water heater installation, repair, and maintenance in Carol Stream, including energy-saving tankless water heaters for endless hot water on demand.

Indoor Air Quality & Ductwork

Why Carol Stream Chooses Eco Temp HVAC

  • Local Experts – Serving Carol Stream and DuPage County for years.
  • 24/7 Emergency Service – We’re here when you need us most.
  • Certified Technicians – Trained on all major HVAC brands.
  • Upfront Pricing – No surprises, just honest quotes.
  • Energy-Efficient Solutions – Lower utility bills and improve comfort.

Call Now for HVAC Service in Carol Stream, IL

When your comfort is at stake, trust the local HVAC company that’s just around the corner in Bartlett. Call (224) 253-8131 or schedule your service online today for fast, reliable heating and cooling in Carol Stream, IL.

HVAC Carol Stream, IL — Frequently Asked Questions

Yes. We provide 24/7 emergency service for HVAC in Carol Stream, including no-heat calls, AC breakdowns, and urgent boiler or heat pump issues. For fastest help, call (224) 253-8131 or book online.
We handle full-system HVAC repair, installation, maintenance, and replacement for air conditioners, furnaces, boilers, heat pumps, ductless mini splits, and water heaters, plus indoor air quality.
We dispatch from nearby and prioritize Carol Stream calls—most same-day. For peak-season AC or furnace demand, we offer priority scheduling through our maintenance plans.
If your AC or furnace is 10–15+ years old, needs frequent repairs, or has rising energy bills, replacement may be smarter. We’ll compare repair vs. replacement costs, efficiency gains, available rebates, and your home’s comfort needs before recommending the best option.
Absolutely. Ductless systems provide high‑efficiency zoned heating and cooling for additions, sunrooms, attics, basements, or whole‑home retrofits. As a Mitsubishi Diamond Elite Contractor, we design, install, and service ductless mini splits sized for Chicagoland weather.
Schedule two tune-ups: one spring AC check and one fall furnace/boiler service. Change filters every 1–3 months, clear debris around the outdoor unit, and consider planned maintenance to keep warranties valid and efficiency high.
Yes—installation, repair, and maintenance for hydronic boilers, combi units, and radiant floor heating. Start here: boiler services.
Modern cold‑climate heat pumps perform well in our area—often paired with a furnace for dual‑fuel efficiency. We install, repair, and maintain heat pumps and can model operating costs vs. gas heat for your home.
Yes. We can help you access utility rebates and seasonal manufacturer incentives. Check our current offers and financing, or ask during your in‑home estimate.
Combine proper filtration with sealed ducts and active IAQ products. We install whole‑home air cleaners, humidifiers, UV lights, and duct cleaning to reduce allergens and improve comfort.

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Our Service Process

How It Works

If you're looking for a tech-savvy company that will keep you in the loop, Eco Temp HVAC is the perfect choice. We use notification reminders to make sure you know when your appointment is, and we even provide a picture of your tech so you know who to expect. We make HVAC Easy, Breezy, Done!

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Customer Testimonials

You're why we do what we do!

We're proud to say that our reputation for quality work and friendly service has allowed us to grow from a small, family operation into one of the most trusted Chicago HVAC companies. And you're the reason why we do it!

We Have Your Back

Our Promises To You!

100% Money Back Guarantee

You will get our trained pre-screened contractors and a two-year money-back guarantee on all services. Unlike other organizations with lengthy hidden terms and conditions, ours is straightforward, with no small fonts for you to read.

Background Checks!

You will get HVAC contractors who have been thoroughly vetted and drug tested for your safety and that of your family, home, and employees. Unlike other companies, we demand random testing and checks on everyone who enters your home, company, or property.

BBB A+ Rating

You will receive service from Eco Temp HVAC, a local company that has an A+ rating from the Better Business Bureau and has passed the most stringent quality tests and regulations that only around 2% of all HVAC providers can meet. Quality and safety matter to us because it matters to you!

Eco Temp HVAC's mascot Breezy the Polar Bear dressed in a navy blue shirt and khaki shorts while holding a HVAC technician gauge.

24/7 Availability Always

We Put Your Comfort First!

Call the heating and cooling pros at Eco Temp HVAC today for all your residential and commercial heating and cooling needs. From smart thermostats to complex HVAC systems design, we do it all!
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HVAC Services Near You

Proudly Serving Chicago and surrounding suburbs

Eco Temp HVAC is a beacon of excellence for furnace repair and comprehensive HVAC services with office locations in Chicago, Lemont, Palatine, Kirkland, St Charles, Downers Grove, Bartlett, and the Northwest Suburbs. Our seasoned technicians are adept at servicing various heating systems, encompassing furnaces, boilers, heat pumps, and beyond. Beyond just repairs, we’re proud to offer installation, maintenance, and replacement services, guaranteeing your HVAC systems deliver peak year-round performance. Our unwavering dedication to superior quality and unparalleled customer care solidifies our status as a trusted HVAC service pillar in the community.

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