U.S. Allied Plumbing & HVAC
Heating & Cooling
Furnaces, heat pumps, central air, and mini-splits, installed, tuned, and repaired. Free quotes on new equipment and same-week response when the heat or the AC quits.


What this covers
Furnaces5
- Furnace repair
- Furnace replacement and installation
- Gas and high efficiency furnaces
- Igniter, blower, and flame sensor repair
- Annual furnace tune ups
Boilers5
- Boiler repair
- Boiler replacement and installation
- Radiant and hydronic heat
- Circulator pumps and zone valves
- Annual boiler maintenance
Heat Pumps5
- Heat pump repair
- Heat pump installation
- Cold climate heat pumps
- Dual fuel systems with a furnace backup
- Defrost and reversing valve repair
Mini Splits5
- Mini split installation
- Mini split repair
- Single and multi zone systems
- Ductless heating and cooling
- Filter and coil cleaning
Central Air4
- AC repair
- AC replacement and installation
- Rooftop units
- Spring AC tune ups
Service & Maintenance4
- Tune ups and seasonal maintenance
- Repairs and diagnostics
- Smart and WiFi thermostats
- Free quotes on new equipment
Signs it's time to replace your system
- The system is over 15 years old
- Heating bills keep climbing
- Uneven heat or cold rooms
- Repairs every season
Heating & Cooling: common questions
What heating and cooling systems do you work on?
Furnaces, boilers, heat pumps (including cold climate and dual fuel systems), mini splits, and central air, for repair, replacement and installation.
Do you give free quotes on new equipment?
Yes. Quotes on new heating and cooling equipment are free.
How do I know it's time to replace my furnace or AC?
Common signs are a system over 15 years old, heating bills that keep climbing, uneven heat or cold rooms, and repairs every season.
Do you offer maintenance plans?
Yes. Our GoldStar membership includes annual heating and cooling maintenance on the HVAC and Complete Home plans. See the GoldStar page for plans and prices.
Heating & Cooling by location
- Heating & Cooling in Chicago, IL
- Heating & Cooling in North Aurora, IL
- Heating & Cooling in Naperville, IL
- Heating & Cooling in Wheaton, IL
- Heating & Cooling in Geneva, IL
- Heating & Cooling in Schaumburg, IL
- Heating & Cooling in Joliet, IL
- Heating & Cooling in Plainfield, IL
- Heating & Cooling in Valparaiso, IN
- Heating & Cooling in South Bend, IN
