Deljo Heating, Cooling & Plumbing
Deljo Heating, Cooling & Plumbing
Deljo Heating, Cooling & Plumbing provides HVAC and plumbing services in Chicago. Its HVAC tradition began in Chicago in 1922.
Business Highlights
- Deljo is a Mitsubishi Diamond Dealer.
Service Area
Chicago; Arlington Heights, Deerfield, Des Plaines, Elmwood Park, Evanston, Glencoe, Glenview, Harwood Heights, Highland Park, Kenilworth, Lake Forest, Lincolnwood, Morton Grove, Mount Prospect, Niles, Naperville, Northbrook, Northfield, Oak Park, Park Ridge, River Forest, Skokie, Wilmette, Winnetka, Bolingbrook, Warrenville, Lisle; Albany Park, Avondale, Belmont Cragin, Bucktown, Edgebrook, Edgewater, Edison Park, Forest Glen, Fulton Market, Gold Coast, Goose Island, Hermosa, Humboldt Park, Hyde Park, Irving Park, Jefferson Park, Lakeview, Lincoln Park, Lincoln Square, Logan Square, Noble Square, North Park, Old Irving, Old Town, Portage Park, Ravenswood, Rosemont, River North, Roscoe Village, Sauganash, South Loop, Uptown, West Loop, West Town, Wicker Park, Wrigleyville, Streeterville, Boystown.
Featured Local Business
Deljo Heating, Cooling & Plumbing is one of 13 HVAC companies ProsGrade lists in Chicago, Illinois.
7 services listed, including Heating, Cooling and Plumbing. Open 24 hours, 7 days a week. Rated 4.9 from 3,233 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Deljo Heating, Cooling & Plumbing compares with the other 12 HVAC companies on ProsGrade in Chicago, using public Google ratings and review counts.
- Ranks in the top 10% of Chicago HVAC companies on ProsGrade by Google rating and review volume.
- Has more Google reviews (3,233) than 11 of the 12 other Chicago HVAC companies on ProsGrade.
- One of 13 Chicago HVAC companies on ProsGrade rated 4.7 or higher from at least 10 reviews.
Services Covered
7 services- Heatingfurnace and boiler repair, maintenance and installation
- CoolingAC repair and tune-ups; air-conditioning maintenance and installation; ductless air conditioning
- Plumbingdrain cleaning; water heaters; pipe repair; sump pumps
- Indoor air qualitywhole-home humidifiers and dehumidifiers; air purifiers
- HVAC maintenanceGold Star Program; inspections of air conditioners, heaters and humidifiers
- Emergency HVAC repairemergency heating and AC repair, 24 hours a day, 7 days a week
- HVAC productsCarrier HVAC products; Ecobee smart thermostat; REME HALO® whole-home in-duct purifier
Reviews
What customers say
Recent customers praise professional, communicative service and clear explanations of the work. One customer says a damper stuck the day after a new system was installed, and Deljo sent a member of the installation crew to fix it within a few hours.
Customer Reviews
Denbo Montgomery
Tristan Harter
Andy Bodine
Jason Richter
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Frequently Asked Questions
Does Deljo offer HVAC financing?
Deljo can help customers find HVAC financing through Service Finance Company, LLC; financing is subject to approved credit.
How often does Deljo recommend heating and cooling checks?
Deljo recommends annual checks of both heating and cooling systems.
What does Deljo check on a Gold Star heating visit?
The Gold Star heating checklist includes checking heat exchangers for cracks or deterioration and testing safety controls.








