Oak Park's Trusted HVAC Company — Furnace Repair, AC Installation & More
Don't let cost delay a repair or install that can't wait. Ask us about financing.
Authorized Lennox dealer (also Carrier & Green authorized)
Family-Owned Since 2009
EPA Certified Technicians
4.8★ Google Rating · 90+ Reviews
HVAC Services We Provide in Oak Park
Whether you need a furnace repaired on a January night, a new central AC system installed before summer, or a ductless mini-split added to a room that's never been comfortable, we handle it. Our Oak Park service coverage includes:
- Furnace repair, installation, and seasonal service
- Air conditioner repair, installation, and service
- Heat pump installation, repair, and service
- Ductless mini-split system installation and service
- Air handler installation, repair, and service
- Boiler repair and service (steam, hot water, and high-efficiency condensing systems)
- Duct cleaning and dryer vent cleaning
- Maintenance agreements with 15% off repairs and priority scheduling
We carry Lennox equipment — widely regarded as one of the most efficient and reliable residential HVAC lines available — and we're also an authorized Carrier dealer and authorized Green dealer, so we can match the right system to your home's needs and your budget.
Oak Park is one of the Chicago area's most architecturally distinctive communities — a mix of century-old bungalows, Victorian two-flats, Prairie-style landmarks, and newer construction, all with their own heating and cooling demands. We've been working in homes and buildings like these since 2009, and we understand what it takes to keep older structures comfortable without compromising their character. As an authorized Lennox dealer, we bring equipment and expertise that fits the full range of what Oak Park throws at us.
Our team is EPA certified, family-owned, and built around one thing: doing the job right and earning the next call through the quality of this one. That's how we've maintained a 4.8-star Google rating and grown almost entirely through referrals.
Serving Oak Park Homes and Businesses Since 2009
What It Means to Work with an Authorized Lennox Dealer Near Oak Park
Not every HVAC company that installs Lennox equipment is an authorized Lennox dealer. That distinction matters because it determines the level of warranty coverage your new system qualifies for, the training your technician has completed, and the accountability that comes with the brand relationship. As an authorized dealer, we install Lennox systems to manufacturer specifications, which is the only way to activate the full equipment warranty.
For Oak Park homeowners comparing quotes, that's a meaningful difference — especially on a system you're planning to run for 15 to 20 years. Equipment cost is one number. Total cost of ownership, including what you're covered for if something goes wrong, is another.
What Our Customers Say
See why our neighbors keep calling us back. Book Online and find out for yourself.
Common HVAC Questions from Oak Park Residents
Can you repair my furnace the same day I call?
In most cases, yes. We prioritize urgent heating calls, especially during Chicago-area winters when a failed furnace can't wait. Maintenance agreement members receive priority scheduling, but we work to respond quickly for all Oak Park customers.In most cases, yes. We prioritize urgent heating calls, especially during Chicago-area winters when a failed furnace can't wait. Maintenance agreement members receive priority scheduling, but we work to respond quickly for all Oak Park customers.My Oak Park home is older and has a boiler — do you service those?
We do. We service and repair steam boilers, hot water/hydronic systems, and high-efficiency condensing boilers. Older Oak Park homes with original radiator systems are something we're familiar with, and we know how to work on them properly.We do. We service and repair steam boilers, hot water/hydronic systems, and high-efficiency condensing boilers. Older Oak Park homes with original radiator systems are something we're familiar with, and we know how to work on them properly.I want to add cooling to a room that doesn't have ductwork. What are my options?
A ductless mini-split system is usually the right answer. It doesn't require ductwork, installs with minimal disruption, and provides both heating and cooling. It's a common solution in older Oak Park homes and historic buildings where running new ducts isn't practical.A ductless mini-split system is usually the right answer. It doesn't require ductwork, installs with minimal disruption, and provides both heating and cooling. It's a common solution in older Oak Park homes and historic buildings where running new ducts isn't practical.What does a maintenance agreement include?
Our maintenance agreements cover regular system inspections and tune-ups and give members 15% off parts and labor on any repairs needed throughout the year. Members also receive priority scheduling, which means you move to the front of the line during peak demand periods.Our maintenance agreements cover regular system inspections and tune-ups and give members 15% off parts and labor on any repairs needed throughout the year. Members also receive priority scheduling, which means you move to the front of the line during peak demand periods.Are your technicians certified?
Yes. Our technicians are EPA certified, and as an authorized Lennox dealer, our team meets the training standards Lennox requires of its dealer network. You're not getting a generalist — you're getting someone trained specifically on the equipment we install.Yes. Our technicians are EPA certified, and as an authorized Lennox dealer, our team meets the training standards Lennox requires of its dealer network. You're not getting a generalist — you're getting someone trained specifically on the equipment we install.
Have a financing question we didn't cover? Contact us or call 773-940-0965.
Ready to Schedule HVAC Service in Oak Park?
D's Air & Heating has been serving the Oak Park area for over 15 years. Whether you need furnace repair today, a new AC system this season, or a maintenance plan that keeps your equipment running efficiently year-round, we're ready to help. Call us at 773-940-0965 or book your appointment online — we make it easy to get on the schedule.
