Deljo Heating, Cooling & Plumbing
Chicago, IL HVAC · #3 of 8 · 34+ yrs
Deljo Heating, Cooling & Plumbing as a HVAC provider
Chicago, IL HVAC · #3 of 8 · 34+ yrs
Deljo states it is a Mitsubishi Diamond Dealer for ductless systems. Deljo reports 30+ years serving Chicago-area homes. The company notes technicians train at Mitsubishi-approved centers. Deljo advertises flexible financing and free estimates for larger installs. Deljo lists 24/7 emergency response for heating and cooling issues in Chicago.
Deljo installs ductless mini-split systems and performs ductless maintenance across Chicago. Manufacturer Dealer: Mitsubishi Diamond Dealer is stated on their site. Years in business: 30+ years of local HVAC experience. Financing available and free estimates are listed for larger ductless projects.
| Signal | Deljo Heating, Cooling & Plumbing | Chicago avg | Delta |
|---|---|---|---|
| Vouched Score | 87/100 | 81/100 | +6 vs avg |
| Google rating | 4.9★ | 4.9★ | matches city average |
| Review volume | 3,435+ | 4,535+ | -1100 vs avg |
| Years in business | 34+ | 29+ | +5 vs avg |
- High Google rating (4.9★ across 3,435+ reviews)
- Long-established (34+ years in business)
- Authorized Mitsubishi Diamond Dealer
- Emergency response: 24/7
- Financing available
- Free estimates
- You need same-day or after-hours service
- You want manufacturer-warranty installation work
- You need to finance the work
- You want a top-rated provider with substantial review history (4.9★, 3,435+ reviews)
- You value a long-tenured local operator (34+ years in business)
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Deljo Heating, Cooling & Plumbing (this company) |
87/100 | 4.9★ (3,435+) | 34+ | — | — | Manufacturer-Authorized Installer Mini-Split Repair |
| 80/100 | 4.9★ (420+) | 25+ | — | — | — | |
| 92/100 | 4.9★ (1,475+) | 40+ | — | — | Best NATE-Certified Team | |
| 68/100 | 4.8★ (145+) | 20+ | — | — | — |
Company-wide signals
True across every category below.
Deljo states it is a Mitsubishi Diamond Dealer for ductless systems. Deljo reports 30+ years serving Chicago-area homes. The company notes technicians train at Mitsubishi-approved centers. Deljo advertises flexible financing and free estimates for larger installs. Deljo lists 24/7 emergency response for heating and cooling issues in Chicago.
Deljo states it is a Mitsubishi Diamond Dealer for ductless systems. Deljo reports 30+ years serving Chicago-area homes. The company notes technicians train at Mitsubishi-approved centers. Deljo advertises flexible financing and free estimates for larger installs. Deljo lists 24/7 emergency response for heating and cooling issues in Chicago.
Deljo states it is a Mitsubishi Diamond Dealer for ductless systems. Deljo reports 30+ years serving Chicago-area homes. The company notes technicians train at Mitsubishi-approved centers. Deljo advertises flexible financing and free estimates for larger installs. Deljo lists 24/7 emergency response for heating and cooling issues in Chicago.
What customers say
Services
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
Service area
Published pricing
Discounts
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15% off
As published: 15% off"…e Agreement include: Discounted diagnostic charge 15% off of parts and repairs Regular maintenance on all c…"
Maintenance plans
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maintenance program
As published: maintenance program"…t To maximize your savings, enroll in the regular maintenance program that our team provides! HVAC maintenance allows o…" -
maintenance plan
As published: maintenance plan"…VAC maintenance can be easy to overlook. Our HVAC maintenance plan, The Gold Star Program, solves that problem. Sign…" -
$24 per month
As published: $24 per month"…s at no extra charge System maintenance as low as $24 per month Heating Equipment Analyze heat exchangers for cra…"
Estimates
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Free estimates
As published: Free estimates"…ial financing options to make upgrades affordable Free estimates and instant online quotes Our commitment is simpl…"
Call Now Schedule Your Service Deljo Heating and Cooling: HVAC and Plumbing Company in Chicago Reliable Service, 24/7 Support, and Flexible Financing for Your Family’s Needs Call Now Schedule Your Service Instant Online Quote Heating Cooling Heating Maintenance — read more — Heating Installations — read more — Emergency Heating Services — read more — Heating Promotions — read more — Cooling Maintenance — read more — Cooling Installations — read more — Emergency Cooling Services — read more — Coo
Guarantees & credentials
- Licensed technicians
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
Frequently asked questions
What are the pros of Deljo Heating, Cooling & Plumbing?
When should I choose Deljo Heating, Cooling & Plumbing?
What is the Vouched Score for Deljo Heating, Cooling & Plumbing?
How long has Deljo Heating, Cooling & Plumbing been in business?
How can I contact Deljo Heating, Cooling & Plumbing?
What does HVAC service typically cost when working with a Chicago, IL provider like Deljo Heating, Cooling & Plumbing?
What pricing terms does Deljo Heating, Cooling & Plumbing publish on their website?
Does Deljo Heating, Cooling & Plumbing do Mini-Split Systems in Chicago, IL?
Does Deljo Heating, Cooling & Plumbing do Emergency HVAC Service in Chicago, IL?
Listed in
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Profile last updated July 26, 2026.