Storage tank
$1,600–$2,400Typical cost, including installation
WATER HEATER REPLACEMENT IN OSWEGO
Oswego Water Heater
Replacement
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See what replacement costs ↓OSWEGO AT A GLANCE
Replacing a water heater in Oswego.
Yes, Oswego requires a permit and has its own Water Heater Replacement Permit Application. It needs a letter of intent from an Illinois-licensed plumber or the homeowner, and a final inspection. ComEd and Nicor Gas serve homes. The village's deep wells are being switched over to Lake Michigan water through the DuPage Water Commission.
- Permit to replace with the same type
- Yes · Village of Oswego Building & Permits Department
- Who gets the permit
- State law says the installer must be an Illinois-licensed plumber (send a copy of the license) or the property owner.
- Electric utility
- ComEd
- Gas utility
- Nicor Gas
- Water
- Village of Oswego (eight deep sandstone-aquifer wells, with radium filtration)
- Rebate worth checking
- Nicor Gas water heater rebates (Active)
- Typical home
- Built 2002 (median) · 88% owner-occupied
- Companies found
- 7 that advertise water heater work
01 / TYPICAL PRICES
What a new water heater costs.
Know before you call.
Heat-pump tank
$2,500–$5,000Typical cost, including installation
Tankless
$2,400–$5,400Typical cost, including installation
AI equipment illustrations; models vary and images are not to scale. Typical national prices from Home Depot ↗, checked September 28, 2026. The source doesn’t say how many jobs the ranges are based on. These are not Oswego averages or guaranteed quotes.
Compare what each quote includes.Equipment · Labor · Permits · Old heater removalHow to compare quotes →
What we know about prices in Oswego
- National installer’s published rangeThe ranges above. Home Depot ↗
- Local company’s advertised price1 of the companies listed for Oswego post water heater prices or specials on their websites: Perfect Home Services. Each offer has its own conditions.
- Measured local dataNot collected yet, so no Oswego average is shown.
What can change the price in Oswego?
Plumbing work, HVAC and electrical service each have their own home application.
02 / COMPANIES WE FOUND
Who replaces water heaters in Oswego?
Companies that advertise water heater replacement here, with what their water heater customers say.
Companies we found in our research. They are not Ember & Tank providers or partners. We show selected reviews, not a rating or every review. How we choose reviews →
Abt Electronics & Appliances – Plumbing Services
Lists Oswego among the areas it serves. Based in 1200 N. Milwaukee, Glenview, IL 60025.
- Tank
- Tankless
What the reviews say
Water heater feedback Reviewers praised Abt staff for following up until a multi-system project that included a tankless water heater was finished, and for handling an emergency water heater replacement.
Worth knowing No water heater complaints found in the sources checked.
2 water heater reviews read, checked September 30, 2026.
Comfort First Heating and Cooling
Lists Oswego among the areas it serves. Based in 413 W Mondamin St, Minooka, IL 60447.
- Tank
- Tankless
- Repair
- Emergency service
What the reviews say
Water heater feedback A customer praised a technician's punctuality, knowledge and clear answers during a water heater service call, as well as the office's quick response and updates.
Worth knowing No water heater complaints found in the sources checked.
1 water heater review read, checked September 30, 2026.
Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric
Lists Oswego among the areas it serves. Based in 5701 W. 73 St., Chicago, IL 60638.
- Tank
- Tankless
- Repair
- Emergency service
What the reviews say
Water heater feedback Customers praised fast, same-day water heater replacements and friendly, knowledgeable installers.
Worth knowing No water heater complaints found in the sources checked.
4 water heater reviews read, checked September 30, 2026.
Mr. Rooter Plumbing of Will County
Lists Oswego among the areas it serves. Based in 126 S Des Plaines St, Joliet IL, 60436.
- Tank
- Tankless
- Heat pump
- Repair
- Emergency service
What the reviews say
Water heater feedback One reviewer said a technician explained the hot water heater problem plainly and fixed it right away at a reasonable price.
Worth knowing On Yelp, one reviewer (2024) said they were quoted $2,850.99 for a standard 40-gallon heater with a 6-month tank-only warranty and had it done elsewhere for $950; another (2018) said a technician broke their gas control valve and left; no company responses were captured.
3 water heater reviews read, checked September 30, 2026.
Perfect Home Services
Lists Oswego among the areas it serves. Based in 78 Eisenhower Lane N, Lombard, IL 60148.
- Tank
- Tankless
- Repair
- Emergency service
Published price: $49 Water Heater Flush and Safety Inspection coupon (listed as expiring Oct 31, 2026); no installed water heater prices published
What the reviews say
Water heater feedback Reviewers praised quick same-day response, clear options and clean installs, including a replacement finished within five hours of the call.
Worth knowing On Yelp, one reviewer (2025) called a $4,000 bill for a standard tank replacement for their elderly mother predatory pricing, and another (2025) said a $60 diagnosis became $629 for a tankless unit and a $3,000 repair quote came with a week's wait; a 2018 reviewer said the installer left old vent work for them until the company returned, and the company apologized.
5 water heater reviews read, checked September 30, 2026.
Summers Plumbing Heating & Cooling
Lists Oswego among the areas it serves. Based in Multi-state company (no HQ stated); Chicago-area offices at 506 E Summit St, Crown Point, IN 46307; 1260 Transport Dr, Valparaiso, IN 46383; 1935 Brandon Ct., Suite A-1, Glendale Heights, IL 60139; 724 E Veterans Pkwy Suite A, Yorkville, IL 60560.
- Tank
- Tankless
- Heat pump
- Repair
- Emergency service
What the reviews say
Water heater feedback One reviewer praised a tankless water heater installed with new HVAC and dehumidification equipment and said the company stands behind what it sells.
Worth knowing Yelp reviewers said a son's heater was replaced with a 50-gallon power-vent tank for $4,200 without the cost being discussed (2026), a technician recommended replacement without inspecting a tank that later worked after a flush (2026), and a heater Summers installed was called for replacement just out of warranty and a $59 fee was charged despite a service plan (2025); no company responses were captured.
4 water heater reviews read, checked September 30, 2026.
ARS / Rescue Rooter (Illinois – Chicago area)
Lists Oswego among the areas it serves. Based in 731 District Drive, Itasca, IL 60143 (local branch of national ARS network).
- Tank
- Tankless
- Repair
- Emergency service
What the reviews say
We haven’t found reviews that mention this company’s water heater work yet.
Order: companies based in Oswego first, then companies whose water heater reviews we’ve read. Each group is alphabetical. These businesses are not our employees or vetted partners and do not receive requests from Ember & Tank. We haven’t checked their license, insurance or quality of work. IDPH plumber license verification ↗.
See before-and-after replacement examples from independent companies →
HOMES IN OSWEGO
What Oswego homes are like.
2002Median year built
11%Built before 1980
88%Owner-occupied
93%Heat with utility gas
90%Single-family homes
The median home was built in 2002. A first or second replacement is common in homes this age.
93% of homes heat with utility gas, so gas water heaters with existing venting are common here.
U.S. Census Bureau, American Community Survey ACS 2024 5-year ↗ (2020-2024). Heating fuel is what homes use to heat the house. It often, but not always, matches the water heater’s fuel.
LOCAL CONDITIONS
What’s different in Oswego.
Clearance and combustion air rules
Oswego requires a clear working space 30 inches wide for the full height of the heater. It also needs 50 cubic feet of combustion air per 1,000 Btu/h, or two openings to nearby living space: one within 12 inches of the ceiling and one within 12 inches of the floor, sized at 1 sq in per 1,000 Btu/h and at least 100 sq in each.
Village of Oswego: Water Heater Replacement Permit Application (rev. 10/01/2024) ↗
Reinspection fee
If a water heater fails inspection, the reinspection costs $90. Unsafe installs are shut off and tagged.
Village of Oswego: Water Heater Replacement Permit Application (rev. 10/01/2024) ↗
Moving from wells to Lake Michigan water
Oswego is turning well sites into stations that receive Lake Michigan water. DuPage Water Commission meter stations are planned for 2026-27, and a WaterLink transmission main is being built.
ENERGY & WATER
Who supplies Oswego homes.
Water
Village of Oswego (eight deep sandstone-aquifer wells, with radium filtration)
REBATES & CREDITS
Rebates for Oswego homes.
For ComEd and Nicor Gas customers in Oswego. Ask installers for the price before rebates, then check with the program that you qualify.
- Nicor Gas water heater rebates ↗Active$150 for an ENERGY STAR gas tankless water heater (UEF 0.95 or higher, 75 MBTUH or less), or $150 for an ENERGY STAR power-vented or condensing storage water heater (UEF 0.86 or higher).
- Illinois IRA Home Energy Rebates (HEAR and HOMES) ↗Not launchedIllinois EPA says its HEAR application has not yet been processed by U.S.
- Federal Energy Efficient Home Improvement Credit (25C) ↗EndedCovered improvements made through December 31, 2025.
Checked September 30, 2026. Who qualifies and the conditions: Illinois rebates · How to check an incentive.
PERMITS & LICENSING
Permits and licenses in Oswego.
Permits and who issues them
Oswego has a Water Heater Replacement Permit Application. Email the building permit application to bzinfo@oswegoil.org with the job cost, the installer's letter of intent and a copy of the contract. A final inspection is required. If it fails, you have two weeks to fix the problems.
Contractors no longer register with the village. The permit papers still need the contractor's name, contact details and any state licenses.
Village of Oswego Building & Permits Department ↗ · Village of Oswego: Water Heater Replacement Permit Application (rev. 10/01/2024) ↗ · Village of Oswego: Permits ↗ · Village of Oswego: Residential Permit Applications ↗
Check the installer’s license
Ask for the license number and search it yourself on the IDPH plumber license verification ↗. A listing on Ember & Tank is not a license check. Illinois licensing explained →
NEARBY CITIES
Compare places near Oswego.
| City | Distance | Permit to replace | Fee | Electric |
|---|---|---|---|---|
| Montgomery | 3 mi | Check with city | — | ComEd |
| Yorkville | 5 mi | Required | — | ComEd |
| Plainfield | 6 mi | Check with city | — | ComEd |
| Aurora | 6 mi | Check with city | — | ComEd |
| North Aurora | 9 mi | Check with city | — | ComEd |
| Plano | 10 mi | Check with city | — | ComEd |
COMMON QUESTIONS
Oswego water heater questions.
Do I need a permit to replace a water heater in Oswego?
Yes. The village has a Water Heater Replacement Permit Application just for this, and a final inspection is required.
Village of Oswego: Water Heater Replacement Permit Application (rev. 10/01/2024) ↗
Can I install it myself?
Yes, if you own the property. If not, the installer must be an Illinois-licensed plumber and send a copy of the license.
Village of Oswego: Water Heater Replacement Permit Application (rev. 10/01/2024) ↗
What if the inspection fails?
You have two weeks to fix the problems, and you pay a $90 reinspection fee before the follow-up inspection.
Village of Oswego: Water Heater Replacement Permit Application (rev. 10/01/2024) ↗
More guides: Illinois water heater replacement · All local guides