AC & heating repair · Evanston, Illinois
AC repair and HVAC service in Evanston, IL
AC quit, heat pump struggling, or a system near the end of its life? In Evanston, 19% of homes heat with electricity[1] and half were built before 1953. Request service from HVAC contractors working here. Evanston, in Cook County — ZIPs 60201, 60202, 60208, counts 76,380 residents (2025 estimate)[2].
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Evanston HVAC snapshot: the key figures
- Population (2025 est.)
- 76,380[2]-2.2% since 2020
- County
- Cook[2]
- Land area
- 7.8 sq mi[3]
- Homes heated with electricity
- 19%[1]the 2nd-highest share of the 15 Chicago-area suburbs we cover
- Homes heated with utility gas
- 75%[1]plus 2% propane/LP
- Heat & excessive-heat days, cook zone
- 4[4]2016–2025
- Winter-storm & freeze days, cook zone
- 20[4]2016–2025; heating demand and freeze-related furnace failures
- Lightning-damage reports within 10 mi
- 4[4]2016–2025; power surges damage HVAC control boards
- Damaging-wind reports within 10 mi
- 179[4]2016–2025; wind-blown debris damages outdoor condenser units
- Homes built before 2000
- 85%[1]of 34,095 housing units
- Median year built
- 1953[1]the oldest of the 15 Chicago-area suburbs we cover
Reading the Evanston data for HVAC
Evanston is one of the most established suburbs tracked here — 76,380 people (2025 estimate), down just 2.2% since 2020[2]. On the map that's 7.8 square miles holding 9,819 residents per square mile, the 1st densest of the suburbs here; it sits entirely in Cook County, with ZIP codes 60201, 60202, 60208[3].
Only 8% of Evanston's homes were built in 2010 or later, against 85% before 2000[1] — most systems here are past any builder warranty, and older homes often keep their original ductwork.
Mail to Evanston goes through 3 ZIP codes — 60201 (58% of the city's land), 60202 (39% of the city's land), 60208 (3% of the city's land)[5].
The tracked suburbs closest by are Skokie (2.5 mi W), Des Plaines (10.6 mi W) and Arlington Heights (15.2 mi W)[3].
19% of occupied Evanston homes heat with electricity, 75% with utility gas and 2% with propane[1] — the 2nd-highest electric share of the 15 Chicago-area suburbs we cover; nearby, Skokie (17%), Des Plaines (13%), and Arlington Heights (19%) heat electrically. Gas heat means a furnace plus a separate AC condenser.
Cook County forecast zone, 2016–2025: 4 heat or excessive-heat days (latest Jul 18, 2019) and 20 winter-storm or hard-freeze days[4].
Storm exposure for HVAC hardware: 4 lightning-damage reports within 10 miles; 179 damaging-wind reports within 10 miles in 2016–2025[4]. Most recent: Aug 16, 2025, 7.3 miles from the city center.
85% of Evanston's 34,095 housing units were built before 2000 and 8% since 2010[1] (pre-2000 share nearby: Skokie (92%), Des Plaines (86%), and Arlington Heights (91%)). Older homes often keep original ductwork.
Measured against the 15 suburbs on this site, Evanston records the lowest gas-heat share (75%)[1], the oldest housing (by median year built) (1953)[1], the 2nd-highest electric-heat share (19%)[1], and the 3rd-highest share of homes built since 2010 (8%)[1].
How air moves through a central system
How the loop runs: return duct to filter to air handler to supply ducts. A dirty filter slows everything downstream.
Evanston storm calendar
Within 10 miles of Evanston, 2016–2025: 179 damaging-wind reports and 4 lightning reports[4]. Peak: 75% in June, July, and August. Busiest year 2022 (57). Busiest month August 2022 (30). Latest: damaging-wind report, Aug 16, 2025, 7.3 mi out.
| Month | Damaging wind | Lightning | All |
|---|---|---|---|
| Mar | 8 | – | 8 |
| Apr | 7 | – | 7 |
| May | 16 | – | 16 |
| Jun | 22 | – | 22 |
| Jul | 57 | 1 | 58 |
| Aug | 55 | 2 | 57 |
| Sep | 5 | 1 | 6 |
| Oct | 2 | – | 2 |
| Nov | 7 | – | 7 |
Finding HVAC help around Evanston
Your request reaches AC & heating repair contractors who serve Evanston (ZIP codes 60201, 60202, 60208).
Before you call: repair or replace? what a good hvac visit covers
The data underneath this Evanston page
| Measure | Evanston | Median of 15 | Difference |
|---|---|---|---|
| Electric heat | 19% | 13% | 6 pts higher |
| Built 2010 or later | 8% | 6% | 2 pts higher |
| Propane / LP heat | 1.7% | 1.3% | about the same |
| Utility-gas heat | 75% | 84% | 9 pts lower |
| Median year built | 1953 | 1977 | 24 years older |
| Built before 2000 | 85% | 85% | about the same |
| Damaging-wind reports (10 mi) | 179 | 179 | same as median |
Biggest gaps first. Medians are middle values across the Chicago-area suburbs we cover, drawn from the same sources.
| City | Lightning reports | Damaging-wind reports |
|---|---|---|
| Evanston | 4 | 179 |
| Skokie 2.5 mi | 4 | 229 |
| Des Plaines 10.6 mi | 1 | 218 |
| Arlington Heights 15.2 mi | 0 | 177 |
| Palatine 18.6 mi | 0 | 166 |
| Schaumburg 20.0 mi | 0 | 189 |
| Date | Wind | Distance |
|---|---|---|
| Aug 16, 2025 | 60 mph (est.) | 7.3 mi |
| Jul 24, 2025 | 59 mph | 6.3 mi |
| Jul 24, 2025 | 69 mph (est.) | 6.9 mi |
| Jul 16, 2025 | 63 mph (est.) | 4.4 mi |
| Jul 16, 2025 | 63 mph (est.) | 4.5 mi |
| Jul 16, 2025 | 63 mph | 6.3 mi |
| Date | Distance |
|---|---|
| Aug 12, 2025 | 6.2 mi |
| Aug 28, 2018 | 8.8 mi |
| Jul 4, 2018 | 7.4 mi |
| Sep 3, 2018 | 7.3 mi |
| Main heating fuel | Homes | Share | Margin of error |
|---|---|---|---|
| Utility gas | 23,888 | 75.3% | ±731 |
| Electricity | 6,092 | 19.2% | ±565 |
| No fuel used | 603 | 1.9% | ±166 |
| Bottled or tank gas (propane, butane, etc.) | 539 | 1.7% | ±170 |
| Other fuel | 455 | 1.4% | ±159 |
| Fuel oil, kerosene, etc. | 100 | 0.3% | ±100 |
| Coal or coke | 28 | 0.1% | ±41 |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 286 | 0.8% | ±141 |
| 2010 to 2019 | 2,331 | 6.8% | ±441 |
| 2000 to 2009 | 2,526 | 7.4% | ±312 |
| 1990 to 1999 | 1,656 | 4.9% | ±314 |
| 1980 to 1989 | 1,325 | 3.9% | ±294 |
| 1970 to 1979 | 2,018 | 5.9% | ±407 |
| 1960 to 1969 | 3,937 | 11.5% | ±557 |
| 1950 to 1959 | 4,443 | 13.0% | ±523 |
| 1940 to 1949 | 1,824 | 5.3% | ±318 |
| 1939 or earlier | 13,749 | 40.3% | ±796 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| Measure | Value |
|---|---|
| Housing units | 34,095 |
| Detached single-family | 11,068 (32%) |
| Occupied homes | 31,705 |
| Owner-occupied | 17,807 (56%) |
| Renter-occupied | 13,898 (44%) |
| Median home value | $481,200 |
ACS 2020–2024 estimates.
| ZIP (ZCTA) | Share of Evanston's land | Share of the ZIP inside the city |
|---|---|---|
| 60201 | 58% | 100% |
| 60202 | 39% | 100% |
| 60208 | 3% | 100% |
Dated heat and freeze records for the COOK forecast zone: see the county list.
HVAC questions from Evanston homeowners
Are heat pumps common in Evanston?
19% of Evanston homes heat with electricity[1], which means a heat pump or electric resistance heat.
How old are Evanston's homes — and their HVAC systems?
The median home dates to 1953, and 8% were built in 2010 or later[1]. Your own system may have been replaced since — the outdoor unit's data plate shows when it was made.
Which Evanston ZIP codes are covered?
60201, 60202, and 60208[5], Cook County. Nearby pages: Skokie (2.5 mi), Des Plaines (10.6 mi), and Arlington Heights (15.2 mi)[3].
A lot of Evanston homes predate 1980 — what does that mean for HVAC equipment work?
76% of Evanston's housing units were built before 1980, 58.7% before 1960[1] — the 2nd-highest share of the 15 Chicago-area suburbs we cover. The ductwork in an older house is often original even when the equipment is not — ask for a duct leakage check with any replacement quote.
My Evanston home is fairly new — could the HVAC equipment still be under warranty?
Possibly: 8% of Evanston's housing units were built in 2010 or later[1], the 3rd-highest share of the 15 Chicago-area suburbs we cover. Check your closing paperwork for warranties before paying for a repair.
I rent in Evanston. Who arranges the repair?
44% of occupied Evanston homes are rented[1], the highest share of the 15 Chicago-area suburbs we cover. Tell your landlord or property manager in writing first; your lease says who arranges repairs.
Sources
- Census ACS 2020–2024 5-year (keyless bulk)
- Census population estimates, Vintage 2025
- Census Gazetteer 2025
- NOAA Storm Events Database
- Census 2020 ZCTA–place file
Data pulled Sep 28, 2026. Full citations and method.