G & O Thermal Supply Co

Heating contractor
4.8(38 reviews)
5435 N Northwest Hwy, Chicago, IL 60630
G & O Thermal Supply Co

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About G & O Thermal Supply Co

G & O Thermal Supply Co operates on Chicago's Northwest Side, delivering heating equipment and components to professional contractors throughout the metropolitan area. With a 4.8-star average derived from 38 client reviews, the company has established a consistent track record for reliability within the local HVAC trade community. The storefront maintains standard commercial hours Monday through Friday, opening at 7 AM to accommodate contractor schedules who need early pickup before heading to job sites. Reviewers consistently note the company's focus on serving trade professionals rather than retail homeowners, positioning G & O as a supplier-of-choice for installation and service businesses operating across Chicago's diverse neighborhoods.

The business differentiates itself through specialized distribution that many reviewers describe as essential to their operations. Armando Besa highlighted the company's ability to source hard-to-find parts for aging furnace systems, a capability that other suppliers in the area could not match. Multiple reviewers praised the technical knowledge of staff members who understand the products they carry, suggesting the team possesses genuine expertise in heating equipment rather than simply operating a warehouse counter. Ron Sciborski specifically noted that G & O's pricing competes favorably against other suppliers, while the product selection covers the full range of components that contractors require for residential and light commercial installations.

Customer experiences reveal a pattern of responsive service when contractors face time-sensitive situations. George Nieves described the team as willing to accommodate unusual requests, suggesting flexibility that matters when a technician faces an unexpected problem mid-installation. Armando Besa's review specifically mentioned obtaining a difficult component for an older furnace system, which enabled a successful repair that might otherwise have required a full system replacement. These scenarios illustrate how G & O functions as a partner to contractors who need reliable supply chain support rather than just a parts distributor.

What Customers Say

All eight published reviewers awarded 4 or 5 stars, with six granting perfect scores. Positive feedback consistently mentions staff product knowledge and pricing competitiveness, while three reviewers specifically describe the company as a resource for contractors rather than retail customers.

Working Hours

SundayClosed
Monday7 AM–4:30 PM
Tuesday7 AM–4:30 PM
Wednesday7 AM–4:30 PM
ThursdayToday7 AM–4:30 PM
Friday7 AM–4:30 PM
SaturdayClosed

Services

Heating Equipment Distribution

Supply of furnaces, boilers, and heating components to licensed HVAC contractors operating in the Chicago market.

Commercial HVAC Supply

Products serving light commercial installation and service needs across metropolitan Chicago job sites.

Parts Sourcing

Specialized ability to locate obsolete and hard-to-find heating components for older system repairs.

Contractor Counter Sales

Will-call pickup service for trade professionals, with early morning hours accommodating job site schedules.

Technical Product Support

Staff assistance with product selection and specification questions for contractor projects.

wholesale Pricing

Competitive wholesale rates structured for licensed trade customers, not retail consumers.

Frequently Asked Questions








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