Jacobazzi Heating & Cooling

Is this your business?
Claim your listing to verify your info and earn a verified badge.
Claim This BusinessAbout Jacobazzi Heating & Cooling
Jacobazzi Heating & Cooling has kept Romeoville and surrounding Will County communities comfortable for three decades. The company maintains a 4.7-star average across 40 verified reviews, reflecting consistent service quality that has earned generational loyalty from homeowners in Romeoville, Downers Grove, and nearby Naperville. Their NATE-certified technicians operate around the clock, arriving in uniform with protective floor coverings and booties, a detail that protects homeowner property during every service call. As a Comfort24-7 Provider, the company backs its workmanship with money-back guarantees, offering homeowners recourse beyond typical contractor warranties.
What distinguishes Jacobazzi from regional competitors is their breadth of specialized offerings rarely found at a single residential contractor. They install Mitsubishi variable-speed heat pumps alongside traditional furnaces, handle commercial VRF systems for small businesses, and maintain in-house sheet metal fabrication capabilities for custom ductwork. Their Aerosee duct sealing technology addresses efficiency-robbing air leaks that standard contractors often miss, while boiler installation and service positions them as a full-spectrum heating provider, not just a forced-air shop. The company also maintains generator installation services for homeowners seeking backup power during grid outages.
Customer narratives reveal why the company commands such loyalty. When Aaron Moushon's 30-year-old system finally failed, Jacobazzi presented five replacement options without pressuring the most expensive choice. Technicians Jim and Denise guided Bill Nolan through a furnace and heat pump installation during the stress of Christmas week, no small accommodation during a holiday. Maria Hebding has relied on Jacobazzi for three decades, noting that technicians teach her about her system rather than simply completing repairs. These aren't emergency-only calls; they're relationships spanning generations.
What Customers Say
All twelve explicitly-rated reviews award 5 stars, with multiple reviewers citing the company's no-pressure sales approach and thorough explanations. Technicians Jim, Denise, and individual installers receive named recognition across five reviews.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
Heating Installation & Replacement
Furnace and boiler installation with multiple efficiency tiers, including heat pump options for dual heating and cooling capability.
Heating Repair & Maintenance
Diagnostic services and tune-ups targeting electric furnaces, heat pumps, boilers, and traditional forced-air systems.
Air Conditioning Installation
Central AC replacement and new installation including coil upgrades, with professional refrigerant handling and efficiency configuration.
AC Repair & Service
Emergency repair, refrigerant recharge, capacitor replacement, and compressor diagnostics for all major brands.
Ductwork & Sealing
Aeroseal mechanical duct sealing targeting hidden leaks plus custom sheet metal fabrication for new or modified runs.
Commercial HVAC & VRF Systems
Variable refrigerant flow systems for small commercial properties requiring zoned temperature control and high efficiency.
Smart Thermostat Installation
WiFi and programmable thermostat setup with operational training included post-installation.
Generator Installation
Standby generator sizing, installation, and integration with home electrical systems for outage protection.