Old Town & Gold Coast Service Overview
- Historic Residential Properties: Old Town and the Gold Coast include pre-1900 rowhomes, mansions, historic residences, and older properties where the mechanical system needs to be considered alongside the building itself.
- High-Rise & Modern Residences: Newer high-rise residences closer to Lake Shore Drive and Oak Street can have very different heating, cooling, plumbing, and comfort requirements.
- Full-Service Mechanical Trades: Deljo Heating, Cooling & Plumbing provides heating, cooling, plumbing, and indoor air quality service throughout Old Town, the Gold Coast, and the 60610 ZIP code.
In Old Town and the Gold Coast, the mechanical system is only part of the job. A pre-1900 rowhome along Astor Street may have original plaster, detailed woodwork, and hydronic heat that deserves a careful approach, while a modern high-rise closer to Lake Shore Drive presents a completely different set of comfort needs. Here, getting the work right often means improving the system without losing sight of the property around it.
Deljo Heating, Cooling & Plumbing provides heating, cooling, plumbing, and indoor air quality service throughout Old Town, the Gold Coast, and the 60610 ZIP code. Call 773-829-4295 or contact us online to schedule service.

Home Services Built Around Historic & Modern Chicago Properties
Old Town and the Gold Coast bring together historic rowhomes, mansions, multi-level residences, and modern high-rise condos. The right heating, cooling, plumbing, or indoor air quality approach depends on the property, the existing system, and how much of the finished space needs to remain undisturbed.
Solving HVAC, Plumbing & Indoor Air Quality Issues in Old Town & Gold Coast
Problem: Older residences can have historic finishes, plaster, woodwork, and hydronic systems that require careful service, while high-rise residences can have individual systems and building conditions that create a completely different set of requirements.
Solution: Deljo evaluates the actual property and mechanical system before determining whether repair, maintenance, replacement, airflow improvements, humidity control, or another service is appropriate.
Boiler, Steam & Heating Service in Old Town & Gold Coast
Steam and hot-water boilers remain an important part of heating service in the neighborhood’s older residences. Mansions and pre-war rowhomes around Astor Street and the Old Town Triangle can still rely on hydronic systems that have served the property for decades.
Elsewhere in 60610, furnaces, heat pumps, and newer high-efficiency equipment are part of the mix. In high-rise residences closer to the lakefront, the heating setup can be completely different from what we find in a rowhome or mansion farther west. When an Old Town or Gold Coast heating system needs attention, the work may involve:
- Heating installation
- Heating repair
- Heating maintenance
- Furnace service and replacement
- Heat pump service
- Boiler service
A heating call near the Charnley-Persky House may involve a very different system from one closer to Oak Street or Lake Shore Drive. We focus on how the property is actually heated before deciding whether repair, maintenance, or replacement is the right path.
“Sam was very knowledgeable and easy to work with. He was patient and capable of explaining the situation with ease.”
Eric P
Stay warm all winter long! Call Deljo at 773-829-4295 to schedule heating service in Old Town or the Gold Coast.
AC Repair, Ductless Cooling & Discreet System Upgrades
Cooling can be one of the trickier parts of working in older Old Town and Gold Coast residences. Conventional ductwork is not always practical where homeowners want to preserve plaster, millwork, or other finished surfaces. Ductless and concealed systems can offer another way to add or improve cooling without making the installation more disruptive than it needs to be.

The high-rise side of the neighborhood brings a different set of conditions. Units closer to Lake Shore Drive can have their own cooling systems, different exposures, and very different load demands from the older homes farther west. For cooling that fits the property instead of fighting against it, Deljo offers:
The Old Town Art Fair fills Wisconsin and Lincoln avenues each June, while the Gold Coast Art Fair brings more summer activity nearby. Inside the home, we are focused on keeping the space comfortable with a system that works naturally with the building.
“Had the A/C Checked out and some other things to the roof unit. Mr Mora was quick and efficient at checking things out and doing what needed to be done. Yep, it’s cold.”
Kenneth B
Beat the summer heat with reliable AC service! Call Deljo at 773-829-4295 to schedule cooling service in Old Town or the Gold Coast.
Indoor Air Quality, Humidity & Smart Comfort Controls
Comfort problems in Old Town and the Gold Coast are not always tied to failed equipment. In larger multi-level homes along Astor Street or North State Parkway, one floor can feel very different from another. Original plaster, natural woodwork, and older interiors can also make humidity control more noticeable, especially during Chicago winters.
High-rise condos bring their own concerns. Residents closer to Lake Shore Drive or Oak Street may be more focused on thermostat control, filtration, and getting better performance from an individual system without making unnecessary changes to the rest of the unit. For homes where comfort depends on more than temperature alone, Deljo can help with:
- Air duct cleaning
- Aeroseal
- Indoor air quality inspection and testing
- Air filtration
- Purifying ionizers
- Air purifiers
- Whole-home humidifiers
- Whole-home dehumidifiers
- Thermostats
- AC coil and condenser cleaning
The goal is practical: better airflow, more balanced humidity, cleaner air, and controls that make the system easier to live with every day.
Plumbing Service for Old Town Homes & Gold Coast Residences
Plumbing work here can be as much about access and care as the repair itself. In an older rowhome or mansion, a pipe repair, fixture replacement, or bathroom update may need to be completed around finished surfaces the homeowner wants protected. In a high-rise residence, access and shared building infrastructure can become part of the job.

Around Astor Street, Oak Street, Rush Street, and the Old Town Triangle, plumbing needs range from everyday repairs to larger upgrades in kitchens and bathrooms. When plumbing problems show up, Deljo can take care of:
- Emergency plumbing services
- Drain cleaning
- Water heaters
- Whole-home water filters
- Pipe repair
- Frozen pipe service
- Flood control
- Sump pumps
- Plumbing fixtures
- Repiping
- Sewer lines
- Showers and bathtubs
Whether we are tracing a leak, replacing a fixture, or working around a finished interior, the goal is to solve the problem cleanly and keep unnecessary disruption to a minimum.
“Greg was professional, prompt, attentive. Actively answered questions and offered advice. Would use this service again.”
Jeremy G
Need plumbing help in Old Town or the Gold Coast? Call Deljo at 773-829-4295 to schedule service.
Local Service From Astor Street to the Old Town Triangle
The Gold Coast stretches from North Avenue to Oak Street and from Lake Shore Drive west to Clark Street, bringing mansions, rowhomes, and high-rise residences into a compact part of Chicago. Astor Street remains one of the area’s defining residential corridors, while Oak Street and Rush Street add a much busier commercial and entertainment side.
Old Town shifts the feel again. The Old Town Triangle preserves much of the neighborhood’s 19th-century character, while Second City anchors an active entertainment district nearby. North State Parkway adds another tree-lined residential corridor with Victorian and Edwardian architecture.
That mix matters on service calls. One address may involve a boiler serving a multi-level historic home, while another may involve newer forced-air equipment or condo systems in a high-rise only a few blocks away.
Comfort Service That Respects the Property
Homeowners in Old Town and the Gold Coast are often looking for two things at once: dependable comfort and work that respects the property itself. That can mean preserving a boiler that still makes sense, improving cooling without tearing into finished spaces, or handling a plumbing repair with as little disruption as possible.
Deljo Heating, Cooling & Plumbing provides heating, cooling, plumbing, and indoor air quality service throughout Old Town, the Gold Coast, Astor Street, the Old Town Triangle, North State Parkway, Oak Street, Rush Street, and the surrounding 60610 ZIP code. Call 773-829-4295 or contact us online to schedule service.
Old Town & Gold Coast Homeowners FAQ
What heating services does Deljo provide in Old Town and the Gold Coast?
A: Deljo provides heating installation, heating repair, heating maintenance, furnace service and replacement, heat pump service, and boiler service.
Does Deljo service boiler and steam heating systems?
A: Yes. Boiler service is included among Deljo’s heating services, and steam and hot-water boilers remain an important part of heating service in many older residences in the area.
Does Deljo provide AC repair and installation in Old Town and the Gold Coast?
A: Yes. Deljo provides AC repair, AC installation, AC maintenance, heat pump service, and ductless AC service.
Can ductless cooling be useful in older Old Town or Gold Coast homes?
A: Ductless and concealed systems can offer another way to add or improve cooling where conventional ductwork is not practical or where homeowners want to preserve plaster, millwork, or other finished surfaces.
What indoor air quality services does Deljo provide?
A: Deljo can help with air duct cleaning, Aeroseal, indoor air quality inspection and testing, air filtration, purifying ionizers, air purifiers, whole-home humidifiers, whole-home dehumidifiers, thermostats, and AC coil and condenser cleaning.
What plumbing services are available in Old Town and the Gold Coast?
A: Deljo provides emergency plumbing services, drain cleaning, water heaters, whole-home water filters, pipe repair, frozen pipe service, flood control, sump pumps, plumbing fixtures, repiping, sewer lines, and showers and bathtubs.
Page Updated on September 18, 2026
Recent Jobs and Reviews in Chicago, IL
Chicago, IL at a glance
Deljo Heating, Cooling & Plumbing has completed 20 jobs in Chicago, IL in September 2026.
The most recent job was on September 16, 2026.
Job Locations and Reviews
Completed comprehensive maintenance on two furnaces, two Aprilaire humidifiers, one boiler, and one water heater as part of scheduled agreement service. Replaced dynamic filters with 20x25x1 and 16x25x1 sizes, and installed #35 humidifier pad in both units. All equipment inspected, cleaned, and verified operational with photo documentation of humidifier installations completed.
Completed full HVAC system replacement including furnace, condenser unit, and evaporator coil. Installed new Carrier outdoor condensing unit on existing concrete pad with proper electrical disconnect and refrigerant line connections. Replaced indoor furnace and evaporator coil assembly with all necessary gas piping, venting, and condensate drain connections. Verified all electrical connections, tested system operation, and confirmed proper heating and cooling functionality upon completion.
Completed comprehensive maintenance agreement service on furnace and humidifier system. Inspected blower motor assembly, which showed normal operational wear and dust accumulation typical of equipment in service. Performed carbon monoxide testing using calibrated digital detector, with readings at safe levels of 4 ppm. Installed new 16x25x1 air filter to maintain proper airflow and system efficiency. All components operating within normal parameters upon completion of maintenance visit.
Conducted comprehensive assessment for full HVAC system replacement including both air conditioning unit and furnace, both operational but exceeding 10 years of service life. Evaluated rooftop AC unit accessibility via fire escape ladder route and confirmed feasibility for equipment removal and installation. Documented existing system configuration and site conditions through photographic survey to support equipment specifications and installation planning.
Completed cooling and heating system maintenance agreement inspection. Replaced 16x25x1 air filter on air conditioning unit and installed #35 filter along with 16x25x1 filter on furnace and humidifier system. Documented existing corrosion on metal ductwork components during inspection, noting deteriorated surfaces with rust buildup around penetrations that may require future attention.
Completed comprehensive whole home plumbing inspection with primary focus on kitchen drain system and basement floor drain. Inspected under-sink plumbing configuration including copper supply lines, PVC drain assembly with P-trap, and all associated fittings and connections for proper operation and potential leaks. Examined A.O. Smith ProLine Commercial water heater installation, verifying proper connections, venting through aluminum ductwork, and condition of copper supply piping and brass fittings. All accessible plumbing components, drain lines, and fixtures were visually assessed for code compliance, functionality, and signs of deterioration or needed maintenance.
Completed site inspection and documented exterior drainage system condition. Observed black PVC condensate drain line with tape-wrapped sections running vertically along building exterior, terminating in white PVC elbow joint. Photographed drainage components and gutter system for service records.
Completed cooling check on two condenser units as part of preventative maintenance agreement. Inspected indoor mechanical equipment including furnace, water heater connections, and associated PVC and copper piping systems. Verified proper operation of all HVAC components, checked refrigerant lines, electrical connections, and condensate drainage. All systems operating within normal parameters with no immediate service needs identified.
Provided estimate for replacement of two obsolete 1960s-era fan coil units utilizing 2-pipe hot and chilled water system. Units are ceiling-mounted and require access panel removal with Allen wrench for inspection. Assessment confirmed aging equipment with exposed ductwork, copper refrigerant lines, and electrical connections in mechanical space. Documented existing installation including metal framework, concrete block wall mounting, and current piping configuration to determine replacement specifications and access requirements.
Removed existing Elkay wall-mounted water fountain from interior wall location. Disconnected water supply lines and capped plumbing connections. Created access openings in wall to facilitate proper removal of mounting hardware and plumbing fixtures, with temporary patching installed over exposed wall cavities.
Completed tune-up on furnace and air conditioning system requiring telescopic ladder setup on back deck with second technician for safety support to access unit on pitched roof. Performed comprehensive inspection of furnace interior components including blower motor assembly, capacitor, gas valve, control board, and electrical connections. All wiring and connections found secure with proper routing throughout compartment. Measured supply air temperature at 73.3°F and discovered significant frost accumulation on evaporator coil and ductwork, indicating potential refrigerant charge issue or restricted airflow. Frost pattern showed irregular distribution with heavy crystalline buildup on metallic surfaces. Inspected all mechanical and electrical components within unit housing, verified proper labeling and manufacturer specifications visible on equipment. System components appeared clean and operational with no visible damage or deterioration noted during visual inspection.
Completed comprehensive maintenance inspection on two furnaces and one air conditioning unit under preventative maintenance agreement. Performed system diagnostics using digital multimeter to verify electrical readings and operational parameters, documenting status code reference information for future service needs. All equipment inspected, tested, and confirmed operating within manufacturer specifications.
Responded to service call for Carrier HVAC system intermittently shutting off during operation and failing to maintain setpoint temperature. Performed diagnostic checkout on air conditioning heat pump system, monitoring compressor operation at 2445 RPM in cooling stage 1, outdoor coil temperature at 74°F, suction pressure at 135 PSI, and suction temperature at 51°F. Inspected control board and wiring connections, documenting system parameters and electrical components for further troubleshooting of intermittent shutdown issue.
Returned to property to complete scheduled HVAC maintenance on upstairs furnace unit that required smaller technician for access. Upon inspection, discovered evaporator coils with significant frost and ice accumulation, indicating potential airflow restriction, refrigerant issue, or system operational problem. Documented temperature readings of 49.5 degrees using calibrated Fluke SC440 TRUE RMS multimeter and captured photographic evidence of iced coils for service records.
Responded to service call for reported gas leak in basement. Upon arrival, conducted thorough inspection of gas piping system and mechanical equipment area. Located minor gas leak at threaded pipe connection near water heater installation. Performed leak detection testing using approved methods to confirm location and severity of leak. Shut down gas supply to affected area and verified system isolation. Disassembled leaking joint, inspected threads for damage and proper engagement. Applied new pipe thread sealant and reassembled connection to manufacturer specifications. Restored gas supply and conducted comprehensive leak check of repair and surrounding connections using electronic gas detector and soap solution. Verified all connections were secure with no detectable leaks. Tested system operation and confirmed proper function of all equipment. Documented conditions with photographs showing basement mechanical room, exposed piping, and equipment layout for service records.
Performed gas leak pressure test on HVAC system. Installed pressure gauge on gas line to monitor system integrity and verify no leaks present in the Carrier furnace installation. Testing confirmed proper pressure readings and system safety, with all connections and valves functioning as specified.
Completed return visit to replace two shower cartridges in accordance with sold repair authorization. Accessed plumbing fixtures through existing wall opening in white subway-tiled shower enclosure. Removed and replaced defective cartridges with new units, ensuring proper installation and function of both hot and cold water control valves. Verified operation of both shower fixtures upon completion, confirming proper water flow and temperature control with no leaks detected.
Completed replacement of existing tank-style water heater with new Navien tankless unit in utility closet. Previous tank configuration restricted access to HVAC equipment located behind the water heater, requiring equipment upgrade to resolve accessibility issues for future maintenance and service requirements.
Responded to callback for recurring condensate leak. Inspected attic installation and documented drainage system configuration including PVC condensate line routing and connections. Verified proper pitch and cleared any blockages to resolve leaking issue.
Completed full HVAC system replacement for second floor including furnace, air handler, and outdoor condensing unit. Installed new air conditioning condenser and evaporator coil for first floor system. Both outdoor units positioned on concrete pad with proper refrigerant line sets, electrical disconnects, and protective guards. Installed two whole-system surge protectors, humidifier integration on second floor unit, and smart thermostat for zone control. All refrigerant lines properly insulated and secured to building structure with appropriate mounting brackets. Systems commissioned, refrigerant charges verified using digital diagnostic equipment, and temperature differentials confirmed within manufacturer specifications. Installation completed by four-person crew over approximately one and a half days.
