Day & Night Air Conditioners, Heat Pumps and Gas Furnaces eternal Advanced Hybrid Water Heating Lennox HVAC Honeywell Automation and Control Systems Boilers, Water Heaters Tankless water heaters, Duckless Heaters Air Filtration Whole-Home Humidification Mini-Split Air Conditioners and Heat Pumps Tankless water heaters / endless hotwater Carrier HVAC systems

Your Complete McHenry County Home and Commercial Comfort Specialist


Air Management Service, Inc. has been servicing the McHenry County area since 1994. We are your heating/cooling/ventilation and plumbing experts helping to maintain your year round indoor comfort. Our staff of certified professionals are courteous and knowledgeable in their areas of expertise with many years of experience. Our service technicians are available in the Woodstock, Marengo, Huntley and Harvard Illinois locations. 

Click here for our Seasonal Special Coupon and save $20 NOW!




Air Management Services now offers Complete Care Plus Service Plan to protect your HVAC system, regardless of brand, against unexpected repair bills. We are now offering a furnace and air conditioner Tune-Up Maintenance Agreement for our customers. Click here for our New Customer Maintenance Agreement Web Site Coupon!

Information on Federal Tax Credits for Energy Efficiency

We can help with the purchase, installation and maintenance in many areas of your HVAC systems. Our services include:

  • Heating Systems
    Forced Air Furnaces
    Boiler / Hydronic Heating Systems
    Unit Heaters (Hanging Garage Heaters, Workshop heaters)
    Space Heaters
    Infrared Radiant Heaters
    Heat Pumps
    Geothermal Systems
    In floor heating
  • Cooling Systems
    Solar Power Assisted Heat Pump
    Forced Air Cooling
    Hi Velocity

  • Water Heater
    Hybrid- Eternal

  • IAQ (Indoor Air Quality)
    Air Cleaners / Purifiers

  • Plumbing
    Bath Accessories
    Pumps (Sump pumps, backup systems)

  • Services
    Tune-up Maintenance Agreement
    Back flow Inspections
    Installation of All products we sell
    Service and Maintenance
    Custom Sheet Metal Fabrication
    Annual Maintenance Inspection
    Complete Care Plus

  • Fireplaces
    Sell / Install / Service

  • Filters
    We can deliver only or deliver and install (coming soon! Order your filters on-line)

  • Generators - Call for more information





Have our expert service technicians check your heating and cooling system?
Call now for an appointment!

Crystal Lake - 815-477-4500
Marengo - 815-568-1440
Huntley - 847-669-8700
Woodstock - 815-337-4200
Harvard - 815-943-4200
Greater Chicago Land Area 800-322-0400