HVAC System Replacement Cost in Kentwood, Michigan
Full HVAC system replacement in Kentwood runs about $16,000 for a typical job. Basic installs start near $9,700. High-efficiency equipment with duct or electrical work can reach $21,200.
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Kentwood Weather and HVAC Load
Kentwood logs 6,613 heating degree days and 575 cooling degree days in a normal year, based on the closest NOAA weather station. Heating is the bigger job here, and furnaces and heat pumps in Kentwood put in far more hours than the air conditioner. A normal year brings 140 nights at or below freezing and 8 days over 90°F. Snowfall averages about 78 inches. For a 2,000 sq ft house, this climate points to a heating load somewhere near 70,000 BTU/h. Treat that as a starting number. A Manual J calculation will move it up or down based on insulation and windows.
| Heating degree days / year | 6,613 |
|---|---|
| Cooling degree days / year | 575 |
| Nights at or below 32°F | 140 |
| Days above 90°F | 8 |
| Average low / high | 39.2°F / 57.5°F |
Kentwood Housing Stock
The median Kentwood home dates to 1983, according to the Census ACS. That makes the typical house about 43 years old. A lot of these homes are on their second or third system by now. The ductwork is usually original, and leaky joints are common. Owners live in 60.4% of occupied homes, roughly 13,000 households. With a median household income of $73,647 and a median home value of $249,000, local labor rates come out near the national middle in our model.
Kent County had 7 hail days and 28 days with damaging thunderstorm winds from 2020 through 2025, according to NOAA storm records. The largest hail reported was 1.75 inches across. Storms here are more likely to cause power surges than coil damage, so a surge protector on the outdoor unit is worth the small cost. Kent County also had 5 tornado days in that period.
When Replacement Makes Sense
- Both units keep needing repairs
- An old R-22 AC paired with an aging furnace
- Both the heating and cooling equipment are 15 years old or more
What Moves the Price
- Thermostat and zoning upgrades
- Equipment sized to the house and climate
- Efficiency ratings: SEER2, AFUE and HSPF2
- Furnace plus AC, or heat pump plus air handler
- Duct repair or replacement
- Permits and electrical work
For Kentwood we raised the national figures about 15%, based on local income, home values and climate-based equipment sizing. Get at least three written quotes; real bids can land outside this range.
What the Quote Should Cover
- Removing the old equipment
- Startup, testing and warranty registration
- New, matched heating and cooling equipment
- Duct connections and sealing
- A load calculation and system design
Michigan Permits, Efficiency Rules and Rebates
Michigan falls in the DOE's North region. New split central air conditioners must meet at least 13.4 SEER2, and heat pumps sold anywhere in the U.S. need 14.3 SEER2 and 7.5 HSPF2. Expect the contractor to pull a mechanical permit for a replacement job in Kentwood. If a bidder suggests skipping it, move on. Also ask for a Michigan license or registration number and proof of insurance. The federal 25C tax credit ended for equipment installed after December 31, 2025, so incentives now come mostly from utilities and state programs. Check your electric and gas utility's rebate page before you pick equipment.
Before You Hire
- Get one quote for a heat pump system and one for a furnace plus AC.
- Replacing both pieces at once usually costs less than two separate jobs a few years apart.
- Make every bidder quote the same efficiency ratings, or the prices won't compare.
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HVAC System Replacement Questions from Kentwood Homeowners
How much is full HVAC system replacement in Kentwood?
Plan on $9,700 to $21,200, with most jobs near $16,000. Equipment efficiency, house size and the condition of the ducts and wiring decide where your quote falls.
When is the best time to schedule full HVAC system replacement in Kentwood?
Between late spring and early fall. Kentwood averages 140 freezing nights a year, and heating calls spike from November through February.
Can I replace only the AC and keep my furnace?
Yes, as long as the indoor coil and blower work with the new AC. A mismatched system loses efficiency and can void the warranty.
How often should an HVAC system be replaced?
Most systems get replaced every 15 to 20 years. AC units and heat pumps usually wear out before gas furnaces do.
HVAC System Replacement Near Kentwood
- Wyoming $9,500 to $20,700
- Grand Rapids $9,400 to $20,400
- St. Clair Shores $9,400 to $20,600
- Battle Creek $8,400 to $18,200
- Royal Oak $10,500 to $22,900
- Dearborn Heights $8,800 to $19,300
- Taylor $8,500 to $18,500
- Pontiac $8,400 to $18,200
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Nwsfo Grand Rapids; NOAA Storm Events Database 2020-2025, Kent County. Prices are our estimates, not contractor quotes. Updated 2026.