GSHA Services, LTD
MI
★ 4.9 (774 reviews)
HVAC contractor
2333 Wisconsin Ave Downers Grove , Illinois 60515 Chicago : 773-938-3091 North & NW Suburbs : 847-941-0851 Southeastern Wisconsin : 262-229-2764 South Suburbs : 708-475-0995 Southwest Suburbs : 815-322-7007 West Suburbs : 630-427-0406 Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Like this: Like Loading... Page 1 Finish Free Estimate 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. City State/Province ZIP / Postal Code * 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. Send Message Please do not fill in this field. Previous Next Facebook Instagram Google YouTube Book Online Copyright 2026 - GSHA Services, LTD 0% Request a Price 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. United States +1 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. Send Message Please do not fill in this field. Previous Next Like this: Like Loading... 0% Schedule Today There's always a GSHA Services, LTD expert in your area ready to help! Simply fill out the form below or give us a call, and we'll be on our way. Free Estimate Emergency Schedule Maintenance Schedule Service * Heating & Cooling Electrical Schedule Service * Heating & Cooling Electrical Which system would you like to schedule a tune-up for? Furnace Tune-Up AC Tune-Up Generator Tune-Up Boiler Tune-Up Heat Pump Tune-Up Water Heater Tune-Up What type of system are you interested in? Furnace Central Air Heat Pump Boiler Ductless / Mini-Split Our estimates for any project are provided without cost or obl...
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Contractor and licensing FAQs
How do I verify a contractor is licensed?
Start by asking the contractor directly for their license number and the issuing authority. Licensing is trade-specific: plumbers and HVAC mechanics are typically licensed through your state's plumbing and mechanical systems licensing board; electrical contractors are licensed through your state's electrical licensing authority; general construction contractors register with your state licensing board. You can look up license status online through your state's professional licensing bureau online or through your state's contractor registration database. Before any work begins, also ask for a current certificate of general liability insurance and workers' compensation coverage. Confirm the coverage limits are adequate for your project—at minimum $1 million in general liability. EdgeLocal profiles include ratings and direct contact info, but license verification must be confirmed directly with the contractor and the relevant state agency.
Should I get multiple quotes from contractors?
Yes—always get at least two or three quotes before hiring any contractor for significant work. Multiple quotes let you compare price, scope, materials, and timeline, and help you spot outliers: a quote significantly lower than others may indicate missing scope or cut corners, while a much higher quote may not be justified. When collecting quotes, give each contractor a clear description of the project so you can make accurate comparisons. Ask each to break out labor and materials separately when possible, and confirm what's included: demolition, permits, materials, cleanup, and warranty. Ask for estimated start dates and project duration as well. Use EdgeLocal to quickly find several rated contractors in your area so you can start the quote process without extensive additional research.