Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Lake Zurich, IL
Markgraf's Heating & Air Conditioning has been a trusted provider of HVAC solutions in the Chicagoland area since 1967. With over 45 years of experience, our team of certified technicians delivers comprehensive heating, cooling, and indoor air quality services to residential and commercial clients. As a Better Business Bureau Accredited Business with an A+ rating, we prioritize customer satisfaction through 24/7 emergency response, free estimates, and senior/military discounts. Our full-service approach includes preventative maintenance, repairs, installations, and energy-efficient solutions like geothermal systems and radiant heating.We maintain an extensive in-house stock of brand-name appliances and offer financing options to ensure accessible, reliable service. Our commitment to quality is demonstrated through a 1-year labor warranty on Carrier installations and adherence to the latest industry standards. By combining technical expertise with personalized service, we've built a reputation as a leader in HVAC solutions for homes and businesses across Chicagoland.
Services
Heating Repair
Air Conditioning
Duct Cleaning
Radiant Heat
Geothermal Systems
Commercial HVAC
Indoor Air Quality
Thermostat Installation
Zone Control Systems
Furnace Service
Details
- Year established: 1967
Highlights and features
- 45+ years of HVAC experience serving Chicagoland
- Better Business Bureau Accredited Business with A+ rating
- 24/7 emergency service available year-round
- Senior and military discounts on all services
- Free estimates for all heating and cooling projects
Associations and certifications
- Better Business Bureau
What people say
Trusted for over 45 years
BBB A+ rating
24/7 emergency service
Senior discounts available
Free estimates provided
Services
Heating Repair
Our certified technicians provide comprehensive heating repair services for all makes and models. With 45+ years of experience, we offer 24/7 emergency response, preventative maintenance, and replacement options with in-house stock of brand-name appliances. Our 1-year labor warranty on Carrier installations ensures quality workmanship for residential and commercial clients in Chicagoland.
Air Conditioning
We deliver complete air conditioning solutions including repair, installation, and maintenance. Our team uses state-of-the-art diagnostics to identify issues and offers financing options for system replacements. With 24/7 emergency service and a focus on energy efficiency, we help Chicagoland residents maintain comfortable indoor temperatures year-round through central and ductless systems.
Duct Cleaning
Our EPA-recommended duct cleaning process uses Roto Brush technology to remove contaminants that can make indoor air 2-5 times more polluted than outdoor air. This family-owned business improves energy efficiency and indoor air quality by eliminating dust, mold, and allergens from residential and commercial HVAC systems across Chicagoland.
Geothermal Systems
We specialize in geothermal heating systems that reduce electrical consumption by up to 50%. Our experts assess site-specific geology and space requirements to install quiet, durable systems that qualify for energy efficiency rebates. These eco-friendly solutions provide significant cost savings while maintaining optimal indoor comfort for homes and businesses in the Chicagoland area.
Commercial HVAC
Our commercial HVAC services include preventative maintenance, system upgrades, and emergency repairs for large-scale heating and cooling units. We work directly with contractors and builders to provide energy-efficient solutions that reduce operating costs. With 24/7 emergency service and manufacturer warranties, we ensure optimal working conditions for Chicagoland businesses and industrial facilities.
Questions
What HVAC services do you offer in Chicagoland?
We provide heating repair, air conditioning installation, duct cleaning, geothermal systems, radiant heating, and commercial HVAC services with 24/7 emergency response.
Are you available for emergency HVAC repairs?
Yes, we offer 24-hour emergency service for heating and cooling issues with technicians available year-round.
Do you offer financing options for HVAC replacements?
Yes, we provide financing options for all HVAC equipment replacements and major system upgrades.
What discounts are available for residents?
We offer senior and military discounts on all HVAC services and equipment installations.
How can I improve indoor air quality?
Our duct cleaning services and whole-home air quality solutions effectively remove contaminants and improve indoor air health.
What areas do you service?
We serve the entire Chicagoland area including residential and commercial properties.
