Deljo Heating, Cooling & Plumbing
Deljo Heating, Cooling & Plumbing has delivered HVAC services in Chicago since 1922 and now offers plumbing services as well. The team handles furnace and boiler repair, maintenance and installation, air conditioning service, ductless systems, heat pumps, zone control and indoor air quality equipment such as humidifiers, dehumidifiers and air purifiers. The plumbing side covers drain cleaning, water heaters, sump pumps and flood control, pipe repair, repiping, sewer lines and fixtures. Deljo is a Mitsubishi Diamond Dealer, provides 24/7 emergency support, offers financing subject to approved credit, and backs its work with a set of written guarantees.
Services
Furnace repair and installation
Boiler repair and installation
Emergency heating repair
Air conditioning repair and installation
Emergency AC repair
Why choose us?
Location & hours
4300 W Bryn Mawr Ave, Chicago, IL 60646
FAQs
Do you offer emergency service?
Yes. Deljo offers 24/7 emergency support and provides emergency heating repair, emergency AC repair and emergency plumbing services.
How long has Deljo been in business?
Deljo has delivered HVAC services in Chicago since 1922, when its forebear Del-Nard Fuel Oil first opened offering furnace cleaning and repair.
Do you handle plumbing as well as heating and cooling?
Yes. Alongside heating and cooling, Deljo offers plumbing services including drain cleaning, water heaters, pipe repair, repiping, sump pumps, flood control, sewer lines and fixtures.
How often should my heating and cooling system be checked?
Deljo recommends having each system looked at least once a year. Annual checks cover items such as capacitors, blower motors and overall equipment condition.
How often should I change my filter?
Deljo suggests most people change filters at least every 60 days. Pet owners may prefer to change them every 30 to 45 days.
Do you offer financing?
Yes. Deljo offers financing as a convenience, subject to approved credit, and has a finance page with the current options.
What guarantees do you offer?
Deljo publishes several guarantees, including a satisfaction guarantee on the operation of equipment it installed within the first year, an installation workmanship guarantee, a Better Than We Found It guarantee, and a 24 Hour Service Guarantee. The Temperature Selection and No Lemon guarantees require an active Gold Star Membership.