Chicago winters are brutal with freezing temperatures, heavy snowstorms, and icy roadways. When you’re at home, the natural response is to curl up with the heater on full blast, watch a movie or show, and relax while the outside temperatures continue to fall. Still, what do you do if your furnace fails to turn on or starts to blow cold air? Most likely, you’ll need a new high-efficiency furnace.
Deljo Heating, Cooling & Plumbing has been helping residents in Chicago and the surrounding areas stay warm since 1922. Our professional heating installation and replacement services for commercial and residential buildings are the perfect solution for fighting any harsh cold weather. As one of the leading HVAC companies in Chicago, we’re always putting your needs and comfort first and foremost every time you call.
Key Points
- Up to 40% Higher Energy Efficiency: Modern high-efficiency furnaces drastically reduce fuel consumption while lowering monthly heating bills.
- Century of Chicago Heritage Since 1922: Over 100 years of trusted local heating, cooling, and plumbing craftsmanship across Chicagoland.
- Free Estimates & Upfront Pricing: Fixed, transparent replacement estimates and flexible financing options to fit your family budget.
- Turn-Key Gas & Electric Installations: Expert sizing and installation for natural gas and electric furnaces in single-family homes and high-rise condos.
How Do We Help You Find the Right New Furnace in Chicago?
Sometimes repairs and maintenance won’t restore an aging heating system, making a full replacement necessary. Thankfully, today’s high-efficiency heating systems are up to 40% more efficient than older models! Lower energy consumption provides optimal heat distribution throughout your home while shaving dollars off your monthly energy bills.
Since furnaces typically have a 15- to 20-year lifespan, new technology exists that didn’t when your current system was installed. We help you decide which make and model best meets the comfort needs and budget of your home or business. We’ll calculate accurate load-sizing requirements so your system handles even the worst Chicago winter cold snaps.
When Should You Replace Your Furnace Instead of Repairing It?
Problem: Furnace unit is over 15 years old and experiencing frequent, costly seasonal breakdowns.
Solution: Continuing to repair an aging unit yields poor financial returns. Installing a new 90–98% AFUE system restores winter reliability, lowers gas consumption, and includes new warranty protection.
Problem: Skyrocketing monthly energy bills despite consistent thermostat usage.
Solution: Older furnaces lose operational efficiency over time. Upgrading to a modern variable-speed furnace converts significantly more fuel into heat, lowering operating costs.
Problem: Furnace short-cycling (constantly turning on and off) or noticeable increase in household dust.
Solution: Short-cycling indicates improper system sizing or failing heat exchangers. Precise load sizing eliminates rapid cycling and restores clean indoor air circulation.
Problem: Single repair estimate approaching 50% of a new furnace installation cost.
Solution: Invest repair dollars into a replacement unit backed by long-term manufacturer warranties, local utility rebates, and low monthly financing options.
What Types of Furnaces Do We Install in Chicago, IL?
We consider several factors to find the right furnace for your property: fuel availability, fuel efficiency rating, upfront equipment costs, and long-term operating expenses. We install and replace both natural gas and electric furnaces:
Natural Gas Furnaces
Approximately half of U.S. homes use natural gas for heating. Modern natural gas furnaces are among the most popular and energy-efficient heating options available. If you’re switching to gas, our technicians evaluate whether a gas line exists in your utility room or if a line extension is needed. While natural gas furnaces have a higher initial setup cost, natural gas is significantly cheaper than electricity in Chicago, resulting in lower monthly operating bills.
Electric Furnaces
Electric furnaces are another common option for Chicagoland properties. They feature lower upfront purchase costs, require less routine mechanical maintenance, and operate very quietly. While electric models are less expensive to buy initially, they consume considerable electricity to heat a home, resulting in higher monthly energy bills during severe cold weather.
What Is the Value of Professional Furnace Replacement from Deljo?
When you choose professional furnace replacement from Deljo, you’re not just getting a new heating unit. You’re investing in:
- Expert Guidance: Personalized load calculations to select the most efficient system for your space.
- Precision Installation: Flawless setup that guarantees optimal performance, proper venting, and long equipment lifespan.
- Long-Term Savings: Reduced monthly utility costs backed by high AFUE ratings.
- Improved Comfort: Balanced room temperatures and quiet variable-speed airflow throughout your home.
- Complete Peace of Mind: Reliable heating prepared to handle Chicago’s coldest winter months.
Whether you’re in Lincoln Park, Lakeview, or anywhere in the Chicagoland area, our team is ready to help you make the best heating decision for your budget. We also offer installation for heat pumps and boilers!
How Do You Contact Deljo for a Free Installation Estimate?
Call us today at (773) 829-4295 for a free estimate on furnace installation services or to learn more about furnace replacement costs in Chicago. With over 100 years of experience serving Chicagoland, Deljo is the name homeowners trust for reliable furnace installations and replacements.
Last Update: October 19, 2026
