About Us
Built on Experience. Rooted in Chicago.
D's Air & Heating, Inc. was founded by a working HVAC professional — not a salesperson. Darryl Q. Joyner Sr. built this company on field experience, technical knowledge, and a commitment to doing the job right every time.
D's Air & Heating, Inc. is proudly owned and operated by Darryl Q. Joyner Sr., a dedicated HVAC professional serving Chicago with reliable heating, cooling, duct cleaning, indoor air quality, and energy-efficiency services since 2009. Darryl built the company on honesty, hard work, and a commitment to providing clean, professional installations backed by real experience and manufacturer-approved training.
Darryl works alongside his family team, creating a company culture built on trust, respect, and pride in every job. Together, they handle furnace and AC installations, boiler service, mini-split systems, duct cleaning, mold remediation, insulation upgrades, and full HVAC diagnostics. Their hands-on approach ensures every customer receives clear communication, dependable service, and long-lasting comfort solutions tailored to Chicago's extreme weather.
As an authorized Lennox Premier dealer, D's Air & Heating, Inc. provides high-efficiency systems, warranty support, and professional HVAC solutions for both residential and commercial properties throughout Chicago and Chicagoland. With strong values, family teamwork, and a dedication to quality, D's Air & Heating, Inc. continues to grow as one of Chicago's most trusted HVAC service providers.
Darryl Q. Joyner Sr.
Owner & Lead Tech
Chicago, IL
Since 2009
Chicago Born & Based
Our Story
About D's Air & Heating, Inc.
D's Air & Heating was built on experience, hard work, and a commitment to doing the job right. Founded by Darryl Q. Joyner Sr., the company serves homeowners, multi-family properties, and commercial facilities throughout Chicago with heating, cooling, boiler, and indoor air quality solutions.
With years of hands-on field experience, Darryl has worked extensively on residential and commercial HVAC systems, steam boilers, hot water boilers, furnaces, air conditioners, heat pumps, ductless systems, rooftop equipment, and control systems. His background includes everything from service diagnostics and repair to complete equipment replacement and system design.
Unlike companies that rely heavily on salespeople, D's Air & Heating was built by an HVAC professional who understands how equipment actually operates in the field. Every project is approached with a focus on system performance, equipment longevity, safety, energy efficiency, and customer value.
Today D's Air & Heating, Inc. serves homeowners and businesses across Chicago and the surrounding Chicagoland communities. Every call is handled personally, and every job is backed by the same commitment to quality workmanship that started the company.
Credentials
Licensed, Certified & Trained
NATE Certified
North American Technician Excellence certification — the industry's highest standard for HVAC knowledge and skill. NATE-certified technicians pass rigorous exams covering installation, service, and system diagnostics.
EPA 608 Certified
Licensed to handle and recover refrigerants safely and legally on all system types, including the new R-454B and R-32 refrigerants required under 2025 EPA regulations.
Illinois Licensed
Fully licensed, bonded, and insured to perform HVAC work in the state of Illinois. IL License #2183457. Every installation meets City of Chicago mechanical code requirements.
Lennox Premier Dealer
Authorized Lennox Premier dealer — trained and certified to install, service, and warranty the full Lennox product line including Dave Lennox Signature Collection equipment.
Professional Certifications
EPA Certified
Mainstream Engineering
R-410A Certified
Mainstream Engineering
What We Stand For
Our Values
Steam Boiler Knowledge
Many heating contractors avoid steam systems because of their complexity. D's Air & Heating embraces them. From low water cutoff diagnostics and Hartford Loop corrections to complete boiler replacements and near-boiler piping improvements, we provide practical solutions for residential and commercial steam heating systems.
No Contracts Required
You shouldn't need a membership to get your furnace fixed. We service any system, any time, no strings attached. Maintenance agreements are available — but never required.
Any Brand, Any Installer
We don't care who installed your system. If it's broken, we'll fix it — Lennox, Carrier, Trane, Goodman, Rheem, Ruud, Daikin, Weil-McLain, Peerless, or anything else. No brand discrimination.
Chicago Through and Through
Darryl lives and works in the same neighborhoods he serves. Your neighbors are his neighbors. We understand Chicago's extreme winters and what it takes to keep your home warm.
Why Choose Us
Why D's Air & Heating, Inc.
Choosing an HVAC contractor in Chicago is one of the most important decisions a homeowner or property manager can make. Your heating and cooling system is the backbone of your building's comfort — and when it fails in January or August, you need a technician with the real-world experience to diagnose it accurately and fix it right the first time.
Chicago Boiler Specialists
D's Air & Heating has developed specialized expertise in boiler installation, replacement, and troubleshooting. Our experience includes steam boilers, hot water boilers, condensing boilers, residential heating systems, multi-family properties, and commercial boiler applications. We work with Weil-McLain, Peerless, Crown Boiler, Lochinvar, Burnham, Navien, and other industry-recognized brands.
No Surprise Fees — Transparent Pricing
We charge a $95.35 service call fee for all diagnostic appointments, including warranty claims. That fee covers the technician's time to show up, inspect your system, and give you an accurate diagnosis. From there, you get a clear quote before any work begins. No hidden charges, no pressure tactics.
Residential & Commercial Experience
Our experience extends beyond traditional residential HVAC work. We assist homeowners, property managers, churches, schools, apartment buildings, multi-unit properties, and commercial facilities throughout the Chicago area. Whether it's a high-efficiency furnace installation, a commercial boiler replacement, or a complex steam heating issue, our goal remains the same: reliable solutions with professional workmanship.
Owner-Operated — Not Sales-Driven
D's Air & Heating, Inc. is a family business in every sense of the word. Darryl works alongside his family team, which means every job gets the personal attention and technical expertise that only an owner-operated company delivers. You're not a ticket number — you're a neighbor.
Same-Day and Emergency Service Available
Chicago winters don't wait — and neither do we. D's Air & Heating, Inc. offers same-day service and emergency HVAC repair for heating failures, no-heat calls, and cooling emergencies. When your furnace or boiler goes out in January, you need a technician who answers the phone.
Full-Service HVAC — One Company
We handle everything: furnace installation and repair, air conditioner installation and service, boiler installation and repair, steam and hot water systems, mini-split systems, duct cleaning, indoor air quality, water heaters, blown insulation, and energy efficiency upgrades. One call handles it all.
Our Services
What We Do
D's Air & Heating, Inc. provides comprehensive HVAC services for Chicago homeowners and businesses. From emergency furnace repair to complete boiler replacements, we handle every aspect of your home comfort.
Furnace Installation & Repair
We install and service gas furnaces from Lennox, Goodman, Amana, Daikin, and all major brands. Whether you need a new high-efficiency furnace installation or emergency furnace repair in the middle of a Chicago winter, D's Air & Heating, Inc. has you covered. We install 80% AFUE and 90%+ AFUE models, including variable-speed and two-stage systems for maximum comfort and efficiency.
Furnace ServicesAir Conditioner Installation & Service
Stay cool through Chicago's humid summers with a properly sized, professionally installed air conditioning system. We install and service central air conditioners, heat pumps, and ductless mini-split systems from Lennox, Goodman, Daikin, Carrier, Ruud, and all major manufacturers.
AC ServicesBoiler Installation & Service
D's Air & Heating specializes in boiler installation, replacement, and repair throughout Chicago. We work with steam boilers, hot water boilers, and condensing boilers for residential and commercial applications. Our boiler expertise covers Weil-McLain, Peerless, Crown Boiler, Dunkirk, Lochinvar, Navien, and other leading manufacturers.
Boiler ServicesMini-Split & Ductless Systems
Ductless mini-split systems provide efficient heating and cooling for additions, older buildings, and spaces where traditional ductwork isn't practical. We install single-zone and multi-zone systems from Lennox, Daikin, Mitsubishi, and other leading manufacturers.
Mini-Split ServicesDuct Cleaning
Clean ductwork improves indoor air quality, reduces allergens, and helps your HVAC system operate more efficiently. Our professional duct cleaning service removes years of accumulated dust, debris, and contaminants from your home's air distribution system.
Duct CleaningIndoor Air Quality
Improve the air your family breathes with professional indoor air quality solutions. We install whole-home air purifiers, humidifiers, UV germicidal lights, ventilation systems, and high-efficiency filtration products from Lennox, Aprilaire, Honeywell, and other trusted manufacturers.
IAQ SolutionsService Area
Serving Chicago & Chicagoland
D's Air & Heating, Inc. provides HVAC installation, repair, and service throughout Chicago and the surrounding communities. From the North Side to the South Side, and across the western and northern suburbs, we're your local heating and cooling experts.
Chicago Neighborhoods
- Logan Square
- Bridgeport
- Pilsen
- Humboldt Park
- Austin
- Garfield Park
- Lawndale
- Wicker Park
- Bucktown
- Hyde Park
- Bronzeville
- Englewood
Chicagoland Suburbs
- Oak Park
- Cicero
- Berwyn
- Evanston
- Skokie
- Maywood
- Bellwood
- Melrose Park
Don't see your neighborhood? Call us — we likely serve your area.
Why Customers Choose D's Air & Heating
- Licensed & Insured — IL License #2183457
- Residential & Commercial Experience
- Steam Boiler Knowledge & Expertise
- Hot Water Boiler Specialists
- Furnace, AC & Heat Pump Specialists
- Professional Installation & Service
- Financing Available
- Chicago Area Service
- Customer-Focused Approach
Every customer deserves honest recommendations, quality workmanship, clear communication, and equipment that performs as expected. At D's Air & Heating, our reputation is built one installation, one repair, and one satisfied customer at a time.
FAQ
Frequently Asked Questions
Ready to Get Started?
Need help with a heating or cooling project? Contact D's Air & Heating today to schedule service, request an estimate, or discuss replacement options.