Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Chicago Since 1953
Since 1953, Guardian Heating and Cooling has been a family-oriented business dedicated to providing comprehensive HVAC solutions across Chicagoland. Our team of factory-trained, NATE-certified professionals prioritizes customer education and informed decision-making, offering tailored comfort solutions for residential and commercial clients. With locations in Chicago and Northbrook, we combine decades of experience with ongoing technical training to ensure optimal system performance. Our commitment to excellence is reflected in 24/7 emergency services, well-stocked service trucks for efficient repairs, and industry-leading warranties. We specialize in HVAC installation, maintenance, and repair while offering energy efficiency upgrades and indoor air quality solutions.Our locally owned operation maintains a strong focus on community service and customer satisfaction through transparent pricing and flexible financing options. Guardian Heating and Cooling stands out with its proactive maintenance programs, advanced diagnostic tools, and a tradition of resolving issues before they escalate. Our technicians take pride in meticulous workmanship, whether installing new systems or servicing existing equipment. With over 70 years of combined expertise, we continue to adapt to technological advancements while maintaining the personalized service that defines our family business.
Services
HVAC Installation
Boiler Services
Ductless HVAC
Air Quality Solutions
Commercial HVAC
Details
- Year established: 1953
Highlights and features
- 73 years of combined HVAC expertise serving Chicagoland
- Factory-trained, NATE-certified technicians for precise diagnostics
- 24/7 emergency service with rapid response times
- Flexible financing options for system upgrades
- 100% satisfaction guarantee on all installations
Associations and certifications
- NATE-certified
What people say
Professional and courteous
Fantastic vendor for system replacement
Highly recommend Guardian Heating
Outstanding technician John
Life-changer installations
Services
HVAC Installation
Our HVAC installation service delivers energy-efficient heating and cooling systems tailored to your property's specific needs. With factory-trained technicians and industry-leading warranties, we ensure proper system sizing and optimal performance. Customers benefit from personalized consultations, transparent pricing, and post-installation support to maintain comfort for years.
Boiler Services
Comprehensive boiler maintenance and repair solutions address efficiency issues and prevent unexpected breakdowns. Our certified technicians handle all makes and models, offering both emergency repairs and scheduled maintenance. Clients receive detailed diagnostics and cost-effective solutions to maintain reliable heating throughout Chicago's extreme winters.
Ductless HVAC
Ductless HVAC installations provide zoned temperature control without extensive ductwork modifications. Our experts design customized systems for residential and commercial spaces, offering energy savings and improved air quality. The service includes system selection, professional installation, and ongoing maintenance for optimal performance.
Air Quality Solutions
Indoor air quality assessments and solutions address allergens, humidity issues, and ventilation needs. We install advanced purification systems, dehumidifiers, and UV light treatments to create healthier living environments. Customers receive personalized recommendations based on home conditions and occupancy requirements.
Commercial HVAC
Tailored commercial HVAC services maintain comfort in office buildings, retail spaces, and industrial facilities. Our team handles large-scale system maintenance, emergency repairs, and energy efficiency upgrades with minimal business disruption. Clients benefit from preventive maintenance plans and 24/7 service availability.
Questions
What HVAC services do you offer in Chicago?
We provide complete HVAC solutions including installation, repair, and maintenance for residential and commercial systems, plus air quality improvements and emergency services.
Do you offer 24/7 emergency HVAC service?
Yes, our technicians are available 24 hours a day, 7 days a week for urgent heating and cooling issues across Chicagoland.
Are your technicians certified?
All our HVAC technicians hold NATE certification and receive ongoing training to stay current with industry advancements and equipment.
What financing options are available?
We offer no-interest financing up to 72 months, manufacturer rebates, and special promotions to make system upgrades more affordable.
How can I improve indoor air quality?
Our air quality solutions include HEPA filters, UV purification systems, humidity control, and duct sealing to reduce allergens and improve ventilation.
Do you service older HVAC systems?
Yes, we maintain and repair all makes and models, including systems originally installed by other providers, with cost-effective solutions for aging equipment.
Reviews (4)
Jennifer Clark
Jun 21, 2022
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My house is not dual zoned and the upstairs was not cooling as well as the first floor and basement. Guardian suggested that we calibrate our variable speed furnace and turn the furnace fan to always on to help balance the temperature and cool the upstairs better. Additionally, add sensors to the upstairs and first floor. Guardian did the work and I thought all was great but the next day the air conditioner was running nonstop but no cold air was coming out. All 3 floors were warm. Guardian came out the following day and determined our air conditioner was low on Freon and filled it up. Everything is working well now.
Kim Singletary
Jun 18, 2022
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We had a pressing issue that required someone to come out quickly. Sergio was our service person and he did such a great job. He was way calmer than I was about the problem and managed to fix the issue efficiently despite the small space. We are very happy with the service we received. Service: Repair HVAC
James Brill
May 14, 2022
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My AC stopped blowing cold air suddenly. I called a few places, and thanks to a recommendation from a neighbor in the building, I gave them a call and they were able to get me on schedule in three days as opposed to 3 weeks. Nelson showed up pretty early on in the window I was given, and was a pleasure to deal with off the bat. He was bet knowledgeable about what he does and explained every detail to help me understand what he was looking at.
We are looking at using Guardian for years to come, and will recommend them to anyone who asks. Thank you to Nelson for being very professional, friendly, and willing to explain his findings. Appreciate you and Guardian!
We are looking at using Guardian for years to come, and will recommend them to anyone who asks. Thank you to Nelson for being very professional, friendly, and willing to explain his findings. Appreciate you and Guardian!
Sarah Steedman
May 09, 2022
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Tyler was knowledgeable and personable. He quickly diagnosed the problem with our AC unit, explained to me how the capacitor (which was broken) worked, then replaced it and was finished in about 15 minutes. I was very happy that it was a relatively quick fix! We are now all set to stay cool on those steamy summer days. Service: A/C system repair
