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      • Is Aeroseal Right for Your Duct System in Chicago?
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  • Home
    • Portfolio
    • Service Area
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    • Contact Us
    • FAQ
    • Cookie Policy
    • Blog
      • Is Aeroseal Right for Your Duct System in Chicago?
      • Now Is the Best Time to Buy a Kohler Generator (IL & WI)
      • Furnace Repair or Replace? A Clear Guide for Chicagoland
      • Gas Tank vs. Gas Tankless vs. Heat Pump Water Heaters: What’s Best for Your Home? (IL & WI)
      • Carrier vs Lennox Furnace (2025): Which Performs Better in Chicago’s Winters?
      • McHenry County Standby Generator Installation: Easy Guide to Buying, Installing, and Maintaining
      • Well Water Problems in Northwest Illinois: What to Test & How to Fix
      • Why Cheap Air Duct Cleaning Can Cost You More | Chicagoland & Southern Wisconsin
      • Tesla Charger Installation in McHenry County, IL
  • Heating & Cooling
    • CARRIER® Furnaces
    • CARRIER® Air Conditioners
    • Boiler Installation
      • Weil-McLain Prices
      • Peerless Prices
    • Heat Pump Installation
    • Packaged Units Installation
      • Magic‑Pak
      • National Comfort Products
    • CARRIER® Ductless Mini Split
    • Furnace Repair
      • Carrier Furnace Troubleshooting
      • Lennox Repair
      • Trane Repair
      • Goodman Repair
      • Amana Repair
    • Air Conditioning Repair
      • Carrier AC Repair
      • Lennox AC Repair
      • Trane AC Repair
      • Goodman AC Repair
    • Heating Maintenance
    • Deal of the Month
  • Electrical
    • Electrical Service Upgrades
    • TeslaCharging Station
    • ChargePoint Station Installation
  • Plumbing
    • Water Heater Installation
      • Bradford White Water Heaters
      • Rheem Water Heaters
      • Navien Water Heaters
      • Rinnai Water Heaters
  • Generators
    • Generator Installation
    • Generator Tune-Up
    • Generator Repair
    • Generac Generators
      • Generac National Promotion
      • Generac Referral Rebate Offer
    • KOHLER Generators
      • KOHLER Generators Installation
      • Kohler Generator Service, Repair & Maintenance
      • Kohler Generators: Free 10-Year Extended Warranty (10/15-11/30/25)
      • PROMOTION – Free 10-Year Warranty with Cellular Kit (10/01 – 12/31/25)
    • Cummins Generators
      • Cummins Generators Installation
    • Champion Generators
    • Briggs & Stratton Generators
    • Generator Tune-Up
  • Air Quality
    • Air Duct Cleaning Service
      • Air Duct Cleaning and Sanitizing – Rotobrush System
      • Complete Air Duct Cleaning and Sanitizing – Nikro System
    • Air Duct Cleaning | Cost, Process & Online Booking
    • Dryer Vent Cleaning
    • Aeroseal & Duct Sealing
    • Retrotec Blower Door & Duct Leakage Testing
  • Water Quality
    • Penguin Water Systems
    • US Water Systems
    • Aquasana Water Filtration
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  • Generac Guardian 26/22.5 kW Home StandbyGenerac Guardian 26/22.5 kW Home Standby
    • Generac Guardian 26/22.5 kW Home StandbyGenerac Guardian 26/22.5 kW Home Standby
    • Generac Generators, Generators
    • Generac Guardian 26/22.5 kW Home Standby

    • *Fully Installed from: $13,000.00
    • Emergency Generator Repair Introducing the Guardian 26kW Home Standby Generator, from the #1 Manufacturer of Backup Power Products. With more than 60 years of experience in the backup power industry, it’s no wonder why 8 out of 10 home standby generators installed are Generac.
    • VIEW DETAILS
  • Generac Next Generation18/17 kW Home StandbyGenerac Next Generation18/17 kW Home Standby
    • Generac Next Generation18/17 kW Home StandbyGenerac Next Generation18/17 kW Home Standby
    • Generac Generators, Generators
    • Generac Next Generation18/17 kW Home Standby

    • *Fully Installed from: $11,900.00
    • Emergency Generator Repair Provides essential circuit power protection for your home, ensuring the necessities remain powered during an outage or up to whole house coverage when paired with one of Generac’s load- shedding switches. Capable of backing up a five ton air conditioner.
    • VIEW DETAILS
  • Guardian 10kW Generac Generator with 16-circuit Transfer Switch WiFi-EnabledGuardian 10kW Generac Generator with 16-circuit Transfer Switch WiFi-Enabled
    • Guardian 10kW Generac Generator with 16-circuit Transfer Switch WiFi-EnabledGuardian 10kW Generac Generator with 16-circuit Transfer Switch WiFi-Enabled
    • Generac Generators, Generators
    • Guardian 10kW Generac Generator with 16-circuit Transfer Switch WiFi-Enabled

    • *Fully Installed from: $8,300.00
    • Emergency Generator Repair Provides essential circuit power protection for your home, ensuring the necessities remain powered during an outage. This affordable automatic standby generator offers protection for about half the cost of central air conditioning.
    • VIEW DETAILS
  • Guardian 10kW Home Backup Generac Generator WiFi EnabledGuardian 10kW Home Backup Generac Generator WiFi Enabled
    • Guardian 10kW Home Backup Generac Generator WiFi EnabledGuardian 10kW Home Backup Generac Generator WiFi Enabled
    • Generac Generators, Generators
    • Guardian 10kW Home Backup Generac Generator WiFi Enabled

    • *Fully Installed from: $8,300.00
    • Emergency Generator Repair Provides essential circuit power protection for your home, ensuring the necessities remain powered during an outage. This affordable automatic standby generator offers protection for about half the cost of central air conditioning.
    • VIEW DETAILS
    • Generac Generators, Generators
    • Guardian 11kW Home Backup Generator with 16-circuit Transfer Switch WiFi-Enabled

    • *Fully Installed from: $8,000.00
    • Emergency Generator Repair Provides essential circuit power protection for your home, ensuring the necessities remain powered during an outage. This affordable automatic standby generator offers protection for about half the cost of central air conditioning.
    • VIEW DETAILS
  • Guardian 14kW Home Backup Generac Generator with 16-circuit Transfer Switch WiFi-EnabledGuardian 14kW Home Backup Generac Generator with 16-circuit Transfer Switch WiFi-Enabled
    • Guardian 14kW Home Backup Generac Generator with 16-circuit Transfer Switch WiFi-EnabledGuardian 14kW Home Backup Generac Generator with 16-circuit Transfer Switch WiFi-Enabled
    • Generac Generators, Generators
    • Guardian 14kW Home Backup Generac Generator with 16-circuit Transfer Switch WiFi-Enabled

    • *Fully Installed from: $9,200.00
    • Emergency Generator Repair True Power™ Technology Generac's G-Force™ Engine Quiet-Test™ Self-Test Mode Tough, Durable All-Aluminum Enclosure Smart, User-Friendly Controls Mobile Link™ Wi-Fi Connectivity FREE with every Guardian Series Home Standby Generator 16-Circuit Transfer Switch Alexa Smart Home Compatible
    • VIEW DETAILS
  • Guardian 14kW Home Backup Generac Generator with Whole House Switch WiFi-EnabledGuardian 14kW Home Backup Generac Generator with Whole House Switch WiFi-Enabled
    • Guardian 14kW Home Backup Generac Generator with Whole House Switch WiFi-EnabledGuardian 14kW Home Backup Generac Generator with Whole House Switch WiFi-Enabled
    • Generac Generators, Generators
    • Guardian 14kW Home Backup Generac Generator with Whole House Switch WiFi-Enabled

    • *Fully Installed from: $9,300.00
    • Emergency Generator Repair Provides essential circuit power protection for your home, ensuring the necessities remain powered during an outage. This affordable automatic standby generator offers protection for about half the cost of central air conditioning.
    • VIEW DETAILS
    • Generac Generators, Generators
    • Guardian 16kW Home Backup Generac Generator with 16-circuit Transfer Switch WiFi-Enabled

    • *Fully Installed from: $10,100.00
    • Emergency Generator Repair Provides essential circuit power protection for your home, ensuring the necessities remain powered during an outage. This affordable automatic standby generator offers protection for about half the cost of central air conditioning.
    • VIEW DETAILS
    • Generac Generators, Generators
    • Guardian 16kW Home Backup Generac Generator with Whole House Switch WiFi-Enabled

    • *Fully Installed from: $10,500.00
    • Emergency Generator Repair Provides essential circuit power protection for your home, ensuring the necessities remain powered during an outage or up to whole house coverage when paired with one of Generac’s load- shedding switches. Capable of backing up a five ton air conditioner.
    • VIEW DETAILS
  • Guardian 18kW Home Backup Generac Generator with Whole House Switch WiFi-EnabledGuardian 18kW Home Backup Generac Generator with Whole House Switch WiFi-Enabled
    • Guardian 18kW Home Backup Generac Generator with Whole House Switch WiFi-EnabledGuardian 18kW Home Backup Generac Generator with Whole House Switch WiFi-Enabled
    • Generac Generators, Generators
    • Guardian 18kW Home Backup Generac Generator with Whole House Switch WiFi-Enabled

    • *Fully Installed from: $10,200.00
    • Emergency Generator Repair True Power™ Technology Generac's G-Force™ Engine Quiet-Test™ Self-Test Mode Tough, Durable All-Aluminum Enclosure Smart, User-Friendly Controls Mobile Link™ Wi-Fi Connectivity FREE with every Guardian Series Home Standby Generator 200 Amp Whole Home Transfer Switch Alexa Smart Home Compatible
    • VIEW DETAILS
    • Generac Generators, Generators
    • Guardian 20kW Home Backup Generator with Whole House Switch WiFi-Enabled

    • *Fully Installed from: $12,000.00
    • Emergency Generator Repair One of the most powerful air-cooled generators on the market today, the Guardian Series 20 kW automatic home standby generator can provide whole-house backup power for many homes.
    • VIEW DETAILS
  • Guardian 22kW Home Backup Generator with Whole House Transfer Switch WiFi-EnabledGuardian 22kW Home Backup Generator with Whole House Transfer Switch WiFi-Enabled
    • Guardian 22kW Home Backup Generator with Whole House Transfer Switch WiFi-EnabledGuardian 22kW Home Backup Generator with Whole House Transfer Switch WiFi-Enabled
    • Generac Generators, Generators
    • Guardian 22kW Home Backup Generator with Whole House Transfer Switch WiFi-Enabled

    • *Fully Installed from: $10,700.00
    • Emergency Generator Repair The 22 kW Guardian® Series home standby generator is the largest air-cooled home standby generator on the market. Not only does it deliver all the features and functionality customers have come to expect from the market-leading brand of home standby generators, but with an MSRP that is the lowest cost per kilowatt of any air-cooled home standby…
    • VIEW DETAILS
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Please call at (224) 258-0510 or fill out the form below to send your questions about product price, and one of the member team will get back to you.

By pressing the “Send Message” button, I consent to receive a phone call about products and services from a GSHA Services, LTD at the phone number(s) provided. My consent does not imply or require that a purchase be made.

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Free, No-Obligation In-Home Estimate

Our estimates for any project are provided without cost or obligation. If you’re considering GSHA Services, LTD for installation, you get a free estimate in your home. It’s that simple.

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