- Cook County, IL
- Will County, IL
- Mon to Friday 7am - 5pm
- Saturday/Sunday by Appointment
Need HVAC repairs? B and Z provides fast, reliable heating and cooling repair services for homeowners in Oak Lawn and the surrounding areas.
We help homeowners in Oak Lawn stay comfortable year-round with full heating and cooling services, including fast repairs, system installs, upgrades, and replacements built for Illinois winters and humid summers.
Efficient AC installation tailored to your home. Built for comfort & long-term performance.
Our sales specialists provide no-obligation ac installation estimates.
Regular AC maintenance by our technicians will keep your HVAC system running efficiently.
We offer Ductless AC systems that do not require ductwork to heat or cool.
We install Mini Split AC Systems that heat or cool specific rooms and zones.
We offer a complete range of heater repair services for all major HVAC manufacturers.
Our sales specialists provide no-obligation heater installation estimates.
Our HVAC technicians provide heater replacement based on cost and availability.
Heater maintenance can improve efficiency and extend the life of your HVAC system.
We provide heat pump repair services on all makes and models of heat pumps.
Time to replace your heat pump? We can advise on new heat pump replacement options.
We provide furnace repair services on all makes and models of furnaces.
If your radiant heating system needs repair or replacement, we can help.
We sell and service air purifiers to remove contaminants and pollutants.
Serving the area for years, our team understands the unique heating and cooling challenges local Oak Lawn homeowners face. From extreme seasonal changes to aging systems, we provide solutions tailored specifically to your home and environment.
We don’t believe in one-size-fits-all fixes — every service is designed to deliver long-term comfort, efficiency, and reliability for your space.
When your system breaks down, you need a team that shows up on time and gets the job done right the first time. Our technicians are equipped to handle everything from urgent repairs to full system replacements without unnecessary delays.
With transparent communication and dependable service, we make the entire process smooth — from diagnosis to completion.
We believe in clear communication from start to finish. Before any work begins, you’ll receive straightforward pricing and honest recommendations based on what your system actually needs — not unnecessary upsells.
Our goal is to help you make confident decisions with full visibility, whether it’s a quick repair or a complete system upgrade.
Contact us – our technicians are ready to help you solve that issue.
Licensed & Insured Technicians
Fast & Reliable Service
Transparent Pricing
5-Star Customer Experience
Yes, all of our technicians are licensed and insured to perform HVAC work throughout Cook County, including Oak Lawn. We stay current on local permitting requirements and building codes so installations and major repairs are done correctly and pass inspection without delays.
Yes. We understand a full system replacement or major repair can be a significant expense, so we offer financing options to help spread the cost into manageable monthly payments. This is especially helpful if your furnace or AC fails unexpectedly and you need a fast replacement rather than being able to plan and save for it in advance. Ask us about current financing options when you call, since terms can vary depending on the project.
We serve Oak Lawn as part of our regular southwest suburban coverage area, typically arriving within the same day for urgent no-heat or no-cool calls. Since Oak Lawn sits close to our Orland Park base, we're usually able to fit in emergency visits quickly, especially during peak winter cold snaps or summer heat waves when systems are under the most strain.
