Furnace Installation
and Replacement Services

in Glen Ellyn, Illinois

630-376-6468

Lennox HVAC

Lennox Furnaces
High-Efficiency Heating Systems for Your Home

Lennox Elite Collection logo Lennox Signature Collection logo Lennox Merit Collection logo

Our Featured Furnaces - the Dave Lennox Signature Collection

Lennox Signature Collection HVAC
Lennox SLP99V Furnace
Lennox Signature Collection logo

SLP99V Variable-Capacity Gas Furnace
The Quietest and Most Efficient Furnace You Can Buy

Part of the Dave Lennox Signature® Collection and the Ultimate Comfort System™, the SLP99V delivers an efficiency rating of up to 99% AFUE—essentially converting every last bit of energy into heating your home. With modulating technology and variable-speed operation, it provides whisper-quiet, precise comfort while maximizing energy savings.

  • Up to 99% AFUE Efficiency – The most efficient furnace available on the market, recognized as Most Efficient ENERGY STAR® certified in 2020, delivering maximum heating performance and substantial energy cost savings
  • Modulating Heating Technology – Variable-capacity system with modulating operation adjusts heat output in precise increments to match your exact comfort needs, eliminating cold spots and maintaining even temperatures throughout your home
  • SilentComfort™ Technology and Fully Insulated Cabinet – Engineered as the quietest furnace available with variable-speed operation that drastically minimizes the sound of air kicking on or off inside your home
  • Lennox S40 Smart Thermostat Integration – Unlocks advanced connectivity with sensors that diagnose issues, provide remote troubleshooting, use geofencing to adjust as you come and go, and respond to outdoor conditions like pollen and air quality
  • Lifetime Limited Warranty on Heat Exchanger – Premium Duralok Plus™ heat exchanger with lifetime limited warranty plus 10-year limited warranty on covered components, ensuring long-lasting reliability and peace of mind
Lennox SL297NV Furnace
Lennox Signature Collection logo

SL297NV Variable-Speed, Ultra-Low Emissions Gas Furnace
First-in-Class, Lowest Emission Furnace on the Market

Part of the Dave Lennox Signature® Collection, the SL297NV delivers reliable, energy-efficient comfort with up to 97.5% AFUE while producing 65% lower NOx emissions than standard low NOx furnaces. With revolutionary ultra-low emissions technology and variable-speed operation, it keeps your home cozy while protecting the environment.

  • Ultra-Low NOx Emissions Technology – Revolutionary design produces 65% lower NOx emissions than standard low NOx furnaces, making it the first commercially available furnace to meet 14 nanograms per Joule emission limits
  • Up to 97.5% AFUE Efficiency – Exceptional energy rating can potentially save you hundreds of dollars per year compared to older furnaces while maintaining consistent, reliable heating performance
  • Variable-Speed Blower Motor – Constantly and efficiently adjusts airflow speed to gently disperse even heat throughout your home, maintaining consistent temperatures while using as little fuel as possible
  • Whisper-Quiet Operation – Variable-speed technology prevents loud blasts of air that occur when single-speed systems start up, providing enhanced comfort with minimal noise disruption
  • iComfort® S30 Smart Thermostat Compatible – Works seamlessly with the ultra smart thermostat to adjust heating for energy savings based on your family's routine and integrates with other Dave Lennox Signature® Collection products for complete home comfort
Lennox SL280V Furnace
Lennox Signature Collection logo

SL280V Variable-Speed, Two-Stage Gas Furnace
The Quietest Furnace in Its Class

Part of the Dave Lennox Signature® Collection, the SL280V combines two-stage heating with variable-speed technology to deliver exceptional comfort and efficiency at 80% AFUE. Engineered with SilentComfort™ technology for whisper-quiet operation, it fine-tunes fuel use to match outdoor conditions while maintaining consistent temperatures throughout your home.

  • Two-Stage Heating Technology – Delivers two different levels of heat output based on outdoor temperature, allowing the system to fine-tune fuel use and carefully match your comfort needs for energy-smart performance
  • 80% AFUE Efficiency Rating – Significantly reduces heating costs compared to older furnaces while contributing to a better global environment without compromising on comfort
  • SilentComfort™ Technology – Engineered as the quietest furnace in its class with exceptionally low noise levels during operation for enhanced home comfort
  • Variable-Speed Blower Motor – Keeps temperature very consistent throughout the house with continuous, efficient airflow adjustments that provide even heat distribution and quieter operation than traditional single-speed systems
  • Dave Lennox Signature® Collection Integration – Works seamlessly with other premium Lennox products and is iComfort®-enabled for advanced home comfort system control and optimization

Your Trusted Family-Owned HVAC Partner in Glen Ellyn, IL

Welcome to Curtis Climate, your trusted family-owned HVAC partner with over 45 years of combined experience. Based in Glen Ellyn, Illinois, we specialize in providing expert furnace installation and replacement services to homeowners in the Chicagoland area.

Our team of heating pros are here to help you stay warm and comfortable through the winter with reliable furnace installation and replacement. With our dedication to quality and customer satisfaction, you can trust us to deliver top-quality HVAC solutions tailored to your specific needs.

Why Choose Curtis Climate?

Family-Owned Expertise: With over 45 years of combined experience, Curtis Climate is your trusted source for expert HVAC solutions in Glen Ellyn, Illinois and surrounding areas.

Customer Satisfaction Guarantee: Your satisfaction is our top priority. We go above and beyond to ensure that you're completely satisfied with our services.

Transparent Pricing: We believe in transparent pricing, with upfront quotes and no hidden fees. You'll know exactly what to expect before any work begins.

Lennox Premier DealerLennox Premier Dealer: As a Lennox Premier Dealer, we offer industry-leading products and expert service. Our team maintains a 4-star+ rating, ensuring you receive quality systems and outstanding customer care.

  • Expert Furnace Installation Services
  • Reliable Heating Solutions:

    Our skilled technicians have years of experience in installing furnace systems with precision and efficiency, ensuring optimal performance and energy efficiency for your home.

  • Trusted Brands:

    At Curtis Climate, we only work with trusted brands like Lennox to ensure long-lasting reliability and superior performance for your home's heating needs.

  • Customized Solutions:

    We understand that every home is unique. That's why we offer customized installation solutions tailored to your home's size, layout, and heating requirements.

Lennox Signature Collection
Discover the Pinnacle of Home Comfort

Experience the unmatched excellence of the Dave Lennox Signature® Collection—designed for homeowners who demand the very best. This elite lineup sets the standard for efficiency and performance, delivering a level of comfort that goes beyond expectations. If you’re seeking extraordinary reliability and innovation for your home, the Dave Lennox Signature Collection is the clear choice for creating your perfect indoor environment.

Enjoy A Warmer Winter with Curtis Climate

Don't let a malfunctioning furnace disrupt your comfort. Trust Curtis Climate for expert furnace installation and replacement services in Glen Ellyn, Illinois and surrounding areas. Contact us today to schedule your service and experience reliable heating solutions for your home.

  • Professional Furnace Replacement Services
  • Upgrade Your System:

    Is your old furnace system outdated or inefficient? It might be time for a replacement. Our team can assess your current system and recommend the best replacement options to improve efficiency and performance.

  • Seamless Replacement:

    Our technicians will handle the entire replacement process with minimal disruption to your home, ensuring a seamless transition to your new furnace system.

  • Energy-Efficient Solutions:

    Upgrading to a new, energy-efficient furnace system can help lower your energy bills and reduce your carbon footprint, all while keeping your home heated and comfortable.

Get In Touch

Returning Customer? Use the "Request Appointment" button above 

Financing Plans Designed For You

We believe comfort should be accessible to everyone, which is why we’ve partnered with trusted financial institutions to bring you financing options designed to help you get the service you need without breaking the bank.

Service Finance

We provide in excess of fifty financing solutions which include promotional and standard installment terms for home improvement.

Furnace Installation F.A.Q

The duration of a furnace installation can vary depending on factors such as the size of your home and the complexity of the installation. Our team will provide you with a timeline before beginning the installation process.
Yes, upgrading to a new, energy-efficient furnace system can help lower your energy bills and reduce your carbon footprint. Newer furnace models are designed to operate more efficiently, resulting in potential cost savings over time.
Common signs of furnace problems include insufficient heating, frequent breakdowns, unusual noises, and increasing energy bills. If you notice any of these issues, it may be time to consider a furnace replacement.

Proudly Serving Glen Ellyn, IL & Greater Chicagoland

We pride ourselves on providing prompt, quality service to residential customers in Glen Ellyn and the Chicagoland area. Some of our service areas include:

Glen Ellyn

Wheaton

Lombard

Downers Grove

Elmhurst

Winfield

Brands We Trust

We only install equipment from the best manufacturers so you can guarantee your comfort and efficiency. Don’t see your equipment’s brand? No problem: we service all units regardless of brand or make.

Lennox Logo
Burnham Boilers
Lochinvar
Magicpack
Mitsubishi Electric
Thermoclear

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