HVAC Services in Cary, Illinois
Looking for a reliable HVAC contractor in Cary? MMDS provides complete heating, cooling, and ventilation services to homeowners and businesses throughout Cary and McHenry County. From heat pump installations to emergency furnace repairs, we’ve been keeping Chicagoland homes comfortable since 2003.
Our HVAC Services in Cary
Heat Pump Installation
Cold-climate heat pumps are the smartest upgrade for Cary homeowners. Modern heat pumps provide both heating and cooling, work efficiently down to -15°F, and qualify for up to $4,000 in federal tax credits and utility rebates.
Furnace Installation & Replacement
Upgrading to a variable speed or 2-stage furnace saves 20-40% on gas bills while eliminating hot and cold spots. We install Carrier, Lennox, Trane, and Daikin.
AC Installation & Repair
Energy-efficient central air conditioning installation and same-day AC repair for Cary homes.
HVAC Zoning
Two-story home? HVAC zoning gives each area its own thermostat. Systems start at $1,500.
Air Duct Cleaning & Maintenance
Professional duct cleaning and annual maintenance plans for Cary homes.
Why Cary Homeowners Choose MMDS
- 20+ years experience in McHenry County
- Licensed & insured Illinois HVAC contractor
- $0 down financing — Sunbit (12-18 mo, no interest)
- All major brands — Carrier, Lennox, Trane, Daikin, Mitsubishi
- Free estimates on all installations
HVAC Costs in Cary
| Service | Cost Range |
|---|---|
| Heat pump installation | $8,000 – $18,000 (before rebates) |
| Furnace replacement | $3,500 – $12,000 |
| Central AC installation | $4,000 – $10,000 |
| Zoning (2-zone) | $1,500 – $3,000 |
Get a Free HVAC Estimate in Cary
Call (847) 221-6280 or schedule online for a free estimate. $0 down financing available.