AC & heating repair · Arlington Heights, Illinois
AC repair and HVAC service in Arlington Heights, IL
AC quit, heat pump struggling, or a system near the end of its life? In Arlington Heights, 19% of homes heat with electricity[1] and half were built before 1974. Request service from HVAC contractors working here. Arlington Heights, in Cook County — ZIPs 60004, 60005, counts 76,216 residents (2025 estimate)[2].
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The Arlington Heights HVAC picture in brief
- Population (2025 est.)
- 76,216[2]-1.9% since 2020
- County
- Cook[2]
- Land area
- 16.6 sq mi[3]
- Homes heated with electricity
- 19%[1]the 3rd-highest share of the 15 Chicago-area suburbs we cover
- Homes heated with utility gas
- 78%[1]plus 1% 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
- 0[4]2016–2025; power surges damage HVAC control boards
- Damaging-wind reports within 10 mi
- 177[4]2016–2025; wind-blown debris damages outdoor condenser units
- Homes built before 2000
- 91%[1]of 33,005 housing units
- Median year built
- 1974[1]the 4th-oldest of the 15 Chicago-area suburbs we cover
Reading the Arlington Heights data for HVAC
Arlington Heights counts 76,216 residents (2025 estimate), growing at a middle-of-the-pack -1.9% since 2020[2]. It covers 16.6 square miles (4,587 residents per square mile, the 5th densest), sits entirely in Cook County, in ZIP codes 60004, 60005[3].
Only 2% of Arlington Heights's homes were built in 2010 or later, against 91% before 2000[1] — most systems here are past any builder warranty, and older homes often keep their original ductwork.
Mail to Arlington Heights goes through 2 ZIP codes — 60004 (63% of the city's land), 60005 (36% of the city's land)[5].
Nearest of the other suburbs we track: Palatine (3.5 mi W), Des Plaines (6.0 mi SE) and Schaumburg (7.1 mi SW)[3].
19% of occupied Arlington Heights homes heat with electricity, 78% with utility gas and 1% with propane[1] — the 3rd-highest electric share of the 15 Chicago-area suburbs we cover; nearby, Palatine (20%), Des Plaines (13%), and Schaumburg (17%) 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: 0 lightning-damage reports within 10 miles; 177 damaging-wind reports within 10 miles in 2016–2025[4]. Most recent: Aug 17, 2025, 9.1 miles from the city center.
91% of Arlington Heights's 33,005 housing units were built before 2000 and 2% since 2010[1] (pre-2000 share nearby: Palatine (90%), Des Plaines (86%), and Schaumburg (92%)). Older homes often keep original ductwork.
Among the 15 suburbs tracked here, Arlington Heights stands out for the 3rd-highest electric-heat share (19%)[1] and the 3rd-lowest gas-heat share (78%)[1].
How air moves through a central system
Return, filter, air handler, supply ducts: a clogged filter slows the whole loop.
Arlington Heights storm calendar
Within 10 miles of Arlington Heights, 2016–2025: 177 damaging-wind reports[4]. Peak: 75% in June, July, and August. Busiest year 2022 (48). Busiest month February 2024 (18). Latest: damaging-wind report, Aug 17, 2025, 9.1 mi out.
| Month | Damaging wind | Lightning | All |
|---|---|---|---|
| Feb | 18 | – | 18 |
| Mar | 10 | – | 10 |
| Apr | 3 | – | 3 |
| May | 3 | – | 3 |
| Jun | 30 | – | 30 |
| Jul | 51 | – | 51 |
| Aug | 51 | – | 51 |
| Sep | 5 | – | 5 |
| Oct | 1 | – | 1 |
| Nov | 5 | – | 5 |
Get HVAC help in Arlington Heights
Requests go to AC & heating repair contractors serving the Arlington Heights area — ZIP codes 60004, 60005.
Before you call: repair or replace? what a good hvac visit covers
Arlington Heights by the numbers
| Measure | Arlington Heights | Median of 15 | Difference |
|---|---|---|---|
| Built 2010 or later | 2% | 6% | 3 pts lower |
| Electric heat | 19% | 13% | 5 pts higher |
| Built before 2000 | 91% | 85% | 6 pts higher |
| Utility-gas heat | 78% | 84% | 6 pts lower |
| Damaging-wind reports (10 mi) | 177 | 179 | 2 fewer |
| Median year built | 1974 | 1977 | 3 years older |
| Propane / LP heat | 1.3% | 1.3% | 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 |
|---|---|---|
| Arlington Heights | 0 | 177 |
| Palatine 3.5 mi | 0 | 166 |
| Des Plaines 6.0 mi | 1 | 218 |
| Schaumburg 7.1 mi | 0 | 189 |
| Skokie 13.1 mi | 4 | 229 |
| Evanston 15.2 mi | 4 | 179 |
| Date | Wind | Distance |
|---|---|---|
| Aug 17, 2025 | 63 mph | 9.1 mi |
| Aug 16, 2025 | 60 mph (est.) | 8.8 mi |
| Aug 16, 2025 | 60 mph (est.) | 3.0 mi |
| Aug 16, 2025 | 60 mph (est.) | 9.8 mi |
| Aug 16, 2025 | 60 mph (est.) | 2.6 mi |
| Aug 16, 2025 | 60 mph (est.) | 3.8 mi |
| Main heating fuel | Homes | Share | Margin of error |
|---|---|---|---|
| Utility gas | 24,687 | 78.5% | ±738 |
| Electricity | 5,908 | 18.8% | ±696 |
| Bottled or tank gas (propane, butane, etc.) | 420 | 1.3% | ±175 |
| No fuel used | 267 | 0.8% | ±113 |
| Other fuel | 159 | 0.5% | ±80 |
| Fuel oil, kerosene, etc. | 25 | 0.1% | ±29 |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 74 | 0.2% | ±51 |
| 2010 to 2019 | 734 | 2.2% | ±175 |
| 2000 to 2009 | 2,208 | 6.7% | ±373 |
| 1990 to 1999 | 3,042 | 9.2% | ±578 |
| 1980 to 1989 | 5,874 | 17.8% | ±639 |
| 1970 to 1979 | 7,486 | 22.7% | ±658 |
| 1960 to 1969 | 7,164 | 21.7% | ±539 |
| 1950 to 1959 | 4,192 | 12.7% | ±412 |
| 1940 to 1949 | 614 | 1.9% | ±170 |
| 1939 or earlier | 1,617 | 4.9% | ±345 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| Measure | Value |
|---|---|
| Housing units | 33,005 |
| Detached single-family | 17,642 (53%) |
| Occupied homes | 31,466 |
| Owner-occupied | 23,288 (74%) |
| Renter-occupied | 8,178 (26%) |
| Median home value | $414,500 |
ACS 2020–2024 estimates.
| ZIP (ZCTA) | Share of Arlington Heights's land | Share of the ZIP inside the city |
|---|---|---|
| 60004 | 63% | 95% |
| 60005 | 36% | 92% |
Dated heat and freeze records for the COOK forecast zone: see the county list.
Common Arlington Heights HVAC questions
Are heat pumps common in Arlington Heights?
19% of Arlington Heights homes heat with electricity[1], which means a heat pump or electric resistance heat.
How old are Arlington Heights's homes — and their HVAC systems?
The median home dates to 1974, and 2% 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 Arlington Heights ZIP codes are covered?
60004 and 60005[5], Cook County. Nearby pages: Palatine (3.5 mi), Des Plaines (6.0 mi), and Schaumburg (7.1 mi)[3].
A lot of Arlington Heights homes predate 1980 — what does that mean for HVAC equipment work?
64% of Arlington Heights's housing units were built before 1980, 19.5% before 1960[1] — the 5th-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.
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.