Chicago / Prospect Heights
Prospect Heights has 15,618 residents (give or take 32) (ACS 2020-2024 5-year, table B01003, https://data.census.gov/table/ACSDT5Y2024.B01003?g=160XX00US1762016, checked 2026-10-19), about 3,712 people per square mile.
Prospect Heights is about 22 miles from the Census center point for Chicago in a straight line and covers 4.207 square miles of land (Census 2024 Gazetteer internal points and land area, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/, checked 2026-10-19).
The quote form takes a ZIP code; for Prospect Heights that is 60070 (Census 2020 ZCTA to county subdivision and ZCTA to place relationship files, ZIP areas at least 20% inside the town, https://www2.census.gov/geo/docs/maps-data/data/rel2020/zcta520/tab20_zcta520_cousub20_natl.txt and https://www2.census.gov/geo/docs/maps-data/data/rel2020/zcta520/tab20_zcta520_place20_natl.txt, checked 2026-10-19).
Median household income in Prospect Heights is $85,008 (ACS 2020-2024 5-year, table B19013, https://data.census.gov/table/ACSDT5Y2024.B19013?g=160XX00US1762016, checked 2026-10-19); many state and utility heat pump rebate programs set higher incentive tiers for income-qualifying households, so the household income on the application, not the town median, decides which level applies.
3,712 people per square mile puts Prospect Heights in suburban density, where the outdoor unit usually sits in a side yard and the noise is not an issue for neighbors.
37% of Prospect Heights homes are single-family detached, 9% are in two- to four-unit buildings and 44% are in buildings of five or more units (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=160XX00US1762016, checked 2026-10-19).
With 44% of Prospect Heights homes in buildings of five or more units and 37% detached, the condo association usually decides where outdoor units can go, so that approval comes before the quote. With 33% of Prospect Heights homes rented (ACS 2020-2024 5-year, table B25003, https://data.census.gov/table/ACSDT5Y2024.B25003?g=160XX00US1762016, checked 2026-10-19), the landlord signs the quote in many of them.
Of the 6,679 occupied homes in Prospect Heights, 69% heat with natural gas, 0% with heating oil, 24% with electricity and 2% with propane (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=160XX00US1762016, checked 2026-10-19).
Gas heats 69% of Prospect Heights against electricity at 24%, so most quotes here are a partial-home system that carries the shoulder seasons and the summer while the gas furnace handles the coldest nights, or a whole-home system when the house is ready for it.
Prospect Heights has about the Cook County oil share of 0% and 8 points more electric heat than the county's 16% (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=050XX00US17031, checked 2026-10-19).
No electric utility is on file for Prospect Heights on this door yet, so this page does not name one; the name on the bill decides which rebate path applies.
Ameren Illinois Instant Incentives (ducted ASHP), run by Ameren Illinois, is a live program for Illinois addresses and lists a standard figure of $900 (registry row 45 verified 2026-10-15, https://amerenillinoissavings.com/residential/ducted-air-source-heat-pump/, checked 2026-10-16); confirm eligibility for the Prospect Heights address before counting it. With 24% of Prospect Heights homes already on electric heat and 71% on gas, oil or propane, the row that applies depends on the name on the electric bill and the fuel coming out.
Prospect Heights has 6,915 housing units, 2% built before 1940 and 61% before 1980, with 10% built in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US1762016, checked 2026-10-19).
Prospect Heights has 26 points fewer pre-1940 homes than Cook County as a whole (28%) and 3 points fewer homes built after 2000 than the county's 13% (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=050XX00US17031, checked 2026-10-19).
The median Prospect Heights home was built in 1976 (ACS 2020-2024 5-year, table B25035, https://data.census.gov/table/ACSDT5Y2024.B25035?g=160XX00US1762016, checked 2026-10-19) and the median home has 4.8 rooms (ACS 2020-2024 5-year, table B25018, https://data.census.gov/table/ACSDT5Y2024.B25018?g=160XX00US1762016, checked 2026-10-19).
61% of Prospect Heights homes were built before 1980 and only 10% in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US1762016, checked 2026-10-19), so most of the stock predates modern insulation codes; the installer's heat-loss calculation, not a square-footage rule, decides the tonnage.
Heating design temperature: -3F. Source: ENERGY STAR Design Temperature Limit Reference Guide (2019 Edition), Cook County row, 99% heating, PDF pages 29 to 33 of 141 (Revised 11/11/2020), https://www.energystar.gov/sites/default/files/Design%20Temperature%20Limit%20Reference%20Guide%20(2019%20Ed)%20-%20ENERGY%20STAR%20Single-Family%20New%20Homes_Rev11.pdf, fetched 2026-10-19, 99%.
That -3F figure is the Cook County cold-day number a Prospect Heights heat pump is sized against, so ask the installer to show the system's heating output at -3F, not at the milder rating-label temperature.
Ask whether the quote is whole-home or partial-home, because with 69% of Prospect Heights on gas and 24% already electric the two paths carry different rebate figures and different sizing.
Ask for the heat-loss calculation room by room; the median Prospect Heights home has 4.8 rooms and was built around 1976, and the count of heads and the tonnage follow the rooms and the insulation, not the square footage.
The form on this page is the follow-up for Prospect Heights. The public number is the number the contractor quotes from.
No local contractor is named on this door for Prospect Heights yet. A request from this page goes to the first licensed shop that takes the door.