Business Details
45 Years
experience
Emergency
services
Your Trusted HVAC Partner in Buffalo Grove, IL
Since 1981, Assurance Heating &Air Conditioning has provided comprehensive HVAC services to residential and commercial clients in Cook & Lake County, Illinois. Our NATE-certified technicians deliver expert air conditioning repair, furnace installation, duct cleaning, and indoor air quality solutions with technical excellence and personalized care. We prioritize rapid response times, offering 24/7 emergency service and same-day appointments to minimize client discomfort during system failures. Our commitment to quality is demonstrated through a 100% satisfaction guarantee, backed by over 40 years of local experience and a growing base of satisfied customers.We maintain transparency in pricing and service estimates while providing energy-efficient equipment options that reduce long-term operating costs. Our preventative maintenance programs help extend system lifespans while ensuring optimal performance. The company's reputation for honesty and technical proficiency has been built through consistent delivery of promised services without unnecessary upselling. We maintain rigorous safety protocols and invest in ongoing technician training to stay current with evolving HVAC technologies. Our service area includes Buffalo Grove, Northbrook, Morton Grove, and surrounding communities in northern Chicagoland.
Services
AC Repair
Furnace Installation
Duct Cleaning
Indoor Air Quality
HVAC Maintenance
Emergency Service
Commercial HVAC
Thermostat Installation
Air Purification
Preventative Maintenance
Details
- Year established: 1981
Highlights and features
- NATE-certified technicians with 40+ years of local experience
- 24/7 emergency HVAC service with same-day appointments
- 100% satisfaction guarantee on all installations and repairs
- Energy-efficient solutions that reduce long-term operating costs
- Comprehensive preventative maintenance programs
Associations and certifications
- NATE (North American Technician Excellence)
What people say
Honest reputable company
Knowledgeable professionals
Prompt emergency service
Thorough explanations
Reliable repairs
Services
AC Repair
Our NATE-certified technicians provide prompt air conditioning repair services for residential and commercial systems. We diagnose and fix cooling issues ranging from refrigerant leaks to compressor failures, using factory-approved parts and techniques. Emergency service is available 24/7 to restore comfort during system breakdowns.
Furnace Installation
We install high-efficiency furnaces and heating systems tailored to your property's specific needs. Our specialists perform proper system sizing using Manual-J load calculations to ensure optimal performance and energy efficiency. All installations include comprehensive system testing and customer education on equipment operation.
Duct Cleaning
Our Breathe EZ duct cleaning service removes accumulated contaminants from HVAC systems using specialized equipment and EPA-registered cleaning agents. This improves indoor air quality and system efficiency while reducing allergens and respiratory irritants in residential and commercial environments.
Indoor Air Quality
We offer comprehensive indoor air quality assessments and remediation services, including air purification systems, humidity control, and ventilation upgrades. Our solutions address specific contaminants like viruses, bacteria, and volatile organic compounds using advanced technologies like bipolar ionization and UV oxidation.
HVAC Maintenance
Our semi-annual maintenance plans include complete system inspections, component lubrication, and performance optimizations. Regular tune-ups help prevent unexpected breakdowns, extend equipment lifespan, and maintain manufacturer warranty requirements through documented service records and priority emergency response.
People
Nick
Service Technician
Experienced HVAC technician known for thorough diagnostics and clear customer communication. Specializes in complex system repairs and emergency service calls while maintaining exceptional customer satisfaction ratings.
Bart
Service Technician
Skilled technician with expertise in system maintenance and efficiency optimization. Recognized for professional demeanor and ability to explain technical concepts in accessible terms during residential service calls.
Questions
What HVAC services do you offer?
We provide complete HVAC solutions including AC repair, furnace installation, duct cleaning, indoor air quality improvements, and preventative maintenance for residential and commercial clients.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency HVAC repair services with technicians available for same-day appointments to address urgent heating and cooling system failures.
What areas do you serve?
We serve Buffalo Grove, Northbrook, Morton Grove, and surrounding communities in Cook & Lake County, Illinois, covering both residential and commercial properties.
Are your technicians certified?
All our technicians hold NATE (North American Technician Excellence) certification, ensuring they meet industry standards for HVAC system installation and repair expertise.
Do you offer maintenance plans?
Yes, we offer semi-annual maintenance agreements that include system tune-ups, priority service scheduling, and discounts on repair services to maintain optimal HVAC performance.
What payment options are available?
We accept major credit cards and offer financing options for equipment replacements, including special promotions with 0% interest for qualified customers.
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