7 Best Furnace Replacement Companies in Joliet, IL (2026)

Why Joliet, Illinois' Winter Cold Makes "Furnace Replacement" Time-Sensitive

Joliet's cold winters and frequent freezes put extra strain on aging furnaces, raising failure risk during peak heating months. Homeowners searching for the Best furnace replacement companies in Joliet, IL should plan ahead, since winter demand can limit available installation windows.

Quick Picks

Best for Honest Replace-vs-RepairLockwood Furnace Company
repair & replace options, free estimates
Best for Gas Furnace ReplacementPDM Plumbing, Heating, Cooling Since 1885
Gas furnace changeout + combustion safety
Best for Furnace + AC ChangeoutLockwood Furnace Company
Trane Authorized Dealer
Best for Commercial Furnace ReplacementJohansen & Anderson Inc
Commercial / rooftop-heating replacement
Best Manufacturer-Authorized InstallerLockwood Furnace Company
Trane Authorized Dealer
Best NATE-Certified InstallerJohansen & Anderson Inc
NATE certified
Vouched Score: 85
Best for High-Efficiency (95%+ AFUE) UpgradesComfortMax Heating and Cooling
Yes

Awards based on the same publicly available signals as the Vouched Score, including provider-stated certifications and dealer status. Not independently verified.

What Joliet, Illinois' 7 verified furnace pros reveal about warranties and 24/7 response

#ProviderScoreGoogleYearsBest for
1Omega Plumbing Heating and Cooling854.9 (745+)
★ Highest Vouched Score

Editorial: Omega Plumbing Heating and Cooling lists high-efficiency equipment installations on its site. Omega advertises same-day replacements and 24/7 emergency response. Omega states its technicians are licensed and insured. Omega's base in Joliet positions crews close to local weather-driven heating demand.

Strengths:
  • High Google rating (4.9★ across 748 reviews)
  • Emergency response: 24/7
  • Satisfaction guarantee
Reviewers praise:
  • same-day response
  • courteous staff
  • dependable service
  • reasonable pricing
When to choose them
  • You need same-day furnace replacement
  • You need same-day or after-hours service
  • You want a top-rated provider with substantial review history (4.9★, 748 reviews)
2PDM Plumbing, Heating, Cooling Since 1885844.8 (700+)
Gas Furnace Replacement

Editorial: PDM lists furnace replacement and gas-furnace changeouts among core services. Heritage spans 140+ years serving Joliet homeowners. The team notes emergency response and same-day replacement availability. Local winters in Joliet make combustion-safe commissioning and proper venting especially important.

Strengths:
  • High Google rating (4.8★ across 700 reviews)
  • Long-established (140+ years in business)
  • Emergency response: 24/7
When to choose them
  • You need same-day furnace replacement
  • You need same-day or after-hours service
  • You need to finance the work
  • You want a top-rated provider with substantial review history (4.8★, 700 reviews)
  • You value a long-tenured local operator (140+ years in business)
3ComfortMax Heating and Cooling824.9 (300+)
High-Efficiency (95%+ AFUE) Upgrades

Editorial: ComfortMax markets itself as a go-to AC repair specialist, with many recent cooling projects noted. The company advertises an optional 10-year labor warranty on installations. Same-day service is listed for urgent heating and cooling calls. ComfortMax emphasizes indoor air quality solutions and media filtration offerings. Joliet's cold winters make timely furnace service especially important during heating season.

Strengths:
  • High Google rating (4.9★ across 300 reviews)
  • Emergency response: same-day
  • 10-Year labor warranty
Reviewers praise:
  • punctuality
  • thorough diagnostics
  • clear explanations
  • transparent pricing
When to choose them
  • You need indoor air quality work
  • You need AC system replacement
  • You need mini-split installation
  • You need same-day or after-hours service
4Johansen & Anderson Inc784.8 (300+)80+
Commercial Furnace ReplacementNATE-Certified Installer

Editorial: Same-day repairs and after-hours calls are listed on Johansen & Anderson's site. NATE-certified technicians rank among the top five percent statewide, per their copy. Johansen & Anderson traces service back over 80 years in Joliet and nearby Will County. The site notes utility rebate help useful for Joliet summers and peak cooling demand.

Strengths:
  • High Google rating (4.8★ across 303 reviews)
  • Long-established (80+ years in business)
  • NATE-certified technicians
Reviewers praise:
  • punctuality
  • professional installers
  • fast emergency response
  • transparent financing
When to choose them
  • You need AC not cooling — emergency
  • You need same-day AC repair
  • You need after-hours AC repair
  • You need same-day or after-hours service
  • You need to finance the work
5Lockwood Furnace Company744.8 (280+)94+
Honest Replace-vs-RepairFurnace + AC ChangeoutManufacturer-Authorized Installer

Editorial: Lockwood Furnace Company emphasizes furnace replacement and system installs with Trane products. The company notes Trane Comfort Specialist technician training on staff. Lockwood reports offering 0% financing on Trane and Amana installations. Joliet winters make high-efficiency furnace installs especially relevant for gas heating systems. Reviews often reference timely service and clear estimate explanations.

Strengths:
  • High Google rating (4.8★ across 282 reviews)
  • Long-established (94+ years in business)
  • Authorized Trane Authorized Dealer
When to choose them
  • You need furnace + AC system replacement
  • You want manufacturer-warranty installation work
  • You need to finance the work
  • You prefer a family-owned operation
  • You value a long-tenured local operator (94+ years in business)
6Best Comfort Heating and Cooling734.8 (325+)

Editorial: Furnace replacement focus is emphasized, handling residential and commercial changeouts. Financing options and free estimates are stated on their site. Emergency service is listed as available for urgent heating failures. Joliet winters increase demand for reliable gas furnaces and correct condensing venting. Google review volume supports broad local experience on large replacement projects.

Strengths:
  • High Google rating (4.8★ across 326 reviews)
  • Emergency response: 24/7
  • Financing available
When to choose them
  • You need same-day furnace replacement
  • You need same-day or after-hours service
  • You need to finance the work
  • You have a commercial property
7Medina's Heating & Air Conditioning584.8 (45+)

Editorial: Medina's states they install high-efficiency furnaces and system changeouts. The company reports 5+ years serving Joliet homeowners. Their website notes same-day service for urgent heating calls. Medina's identifies as family-owned and locally operated in Joliet neighborhoods.

Strengths:
  • Emergency response: same-day
When to choose them
  • You need same-day furnace replacement
  • You need same-day or after-hours service
  • You prefer a family-owned operation

Score column blends public-record signals, customer reviews, and editorial assessment. Best for picks reflect our editorial weighting of those same signals against each category. See full methodology →

Typical Furnace Replacement costs in Joliet, IL (2026)

Last updated

Estimated ranges for Joliet, IL. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.

ServiceTypical range
Full gas furnace replacement (80% AFUE, installed)$3,350–$7,250
High-efficiency condensing furnace (95%+ AFUE, installed)$5,000–$10,600
Modulating / two-stage variable-speed (ECM) furnace upcharge$670–$2,250
Condensing-furnace venting + condensate conversion (80%->95% AFUE)$670–$2,000
Gas line / electrical / permit modification (changeout)$165–$1,000
Electric furnace / air-handler replacement (installed)$2,250–$5,600

How were these Joliet furnace replacement contractors evaluated?

This guide evaluated 7 Joliet furnace replacement contractors using Google Maps review data, public provider claims, and verifiable credentials. Key signals were Google ratings, emergency response availability, warranty terms, financing, and manufacturer-dealer status. BBB records were checked for complaint history and business standing.

  • Omega Plumbing Heating and Cooling posts a 4.9/5.0 rating according to Google Maps data.
  • PDM Plumbing, Heating, Cooling Since 1885 shows 4.8/5.0 on Google and 140+ years in business per provider claims.
  • ComfortMax lists a 10-year labor warranty and same-day emergency response on its materials, per the provider.
  • Johansen & Anderson Inc reports NATE-certified technicians and 24/7 emergency availability on its site.
  • Lockwood Furnace Company identifies as a Trane Authorized Dealer and advertises free estimates and financing.

Evaluations combined public review data with provider-stated warranties, certifications, and emergency policies, plus complaint history checks on BBB.org.

How do I choose a Furnace Replacement Company in Joliet?

  1. Verify licenses and complaint history using BBB records and state licensing board lookup.
  2. Compare Google ratings and total review counts for consistency and volume.
  3. Confirm warranty terms, including any advertised labor warranty durations.
  4. Request written estimates that list equipment, efficiency, and install labor.
  5. Check for financing offers and manufacturer-dealer status if brand-specific service matters.

5 furnace replacement pitfalls Joliet homeowners run into during heating season

Most common furnace replacement problems in Joliet stem from prolonged cold spells and repeated freeze-thaw stresses that expose worn components, degrade heat exchangers, and reveal undersized or improperly installed systems during peak winter demand.

  • Hidden heat-exchanger damage: Extended cold snaps in Joliet push older furnaces hard, revealing microcracks and corrosion that require costly replacement rather than repair.
  • Undersized systems: Homes with undersized furnaces fail to maintain temperature during Joliet's coldest periods, causing constant cycling and shortened equipment life.
  • Poor combustion venting: Freeze-thaw movement and settling in Joliet homes can shift venting runs, increasing backdraft risk and forcing early replacement for safety compliance.
  • Control and sensor failures: Low winter temperatures and heavy run-times in Joliet accelerate failure of thermostats, limit switches, and safety sensors, complicating simple replacements.
  • Improper load calculations: Skipping a heat-load reassessment is common; Joliet's colder design temperatures mean old sizing assumptions often lead to premature system failure after install.
Tip: Request a fresh heat-load calculation and written venting inspection before authorizing replacement to reduce the chance of repeat service calls.

What Joliet's population and licensing rules mean for scheduling a "Furnace Replacement"

Joliet's cold winters and a city population population increase peak-season demand, which lengthens lead times for furnace replacement. Permit and bonding rules add scheduling steps. Plan ahead and prioritize contractors with emergency service and proper-install tooling to avoid heating gaps during freezes.

Local condition: Joliet's winter severity and concentrated demand during cold snaps.

Impact: Short peak-season windows create longer wait times for installations and inspections.

Provider capability: Evaluated providers who advertise emergency service availability and proper-install tooling shorten outage time.

Local condition: City licensing, bonding, and insurance requirements for contractors in Joliet, IL.

Impact: Contractors must secure permits and proofs of bonding before work begins, adding administrative time.

Provider capability: Look for providers familiar with local permit flows and who document bonding and insurance quickly.

Local condition: Mid-size population (city population) concentrates replacement requests in winter months.

Impact: Higher job volume increases scheduling pressure and reduces same-week availability.

Provider capability: Compare providers that list emergency service and efficiency-tier installations to prioritize faster scheduling.

Local condition: Technical demand for safe combustion and efficient heating in colder climates.

Impact: Installations require correct sizing, venting, and efficiency upgrades to meet winter loads.

Provider capability: Evaluated contractors commonly show NATE certification, furnace-type experience, and proper-install tooling for correct sizing and vent work.

Tip: Start permit paperwork and request a written timeline when requesting a quote to lock a winter install slot.

How long does a typical "Furnace Replacement" take in Joliet, IL and what affects timing?

How do I get a quote from these furnace replacement companies?
Submit one request on this page and we send it to the vetted furnace replacement pros in Joliet, IL listed here. They send quotes back — no obligation.
How much does furnace replacement service cost in Joliet, IL?
Full gas furnace replacement typically runs $3,350–$7,250, and high-efficiency condensing furnace runs $5,000–$10,600 in Joliet, Illinois. See the Furnace Replacement pricing table on this page for the full per-service breakdown.
Do Joliet contractors need a city business license and bonding before starting a furnace replacement?
Yes. Joliet requires a business license and proof of bonding before contractors begin work. Homeowners should ask for the contractor's city business license number and a copy of bonding documents before signing a contract. This paperwork helps the city monitor compliance and protects property owners if a contractor fails to finish required permit steps.
Is insurance and workers' compensation required for furnace installers in Joliet?
Yes. Contractors must carry general liability insurance and workers' compensation in Joliet. Request certificates of insurance that name the homeowner or project as needed. Verifying insurance upfront reduces liability risk if a worker is injured or if accidental property damage occurs during the replacement.
When is the busiest season for furnace replacement in Joliet?
Joliet's busiest season runs during late fall and through winter cold snaps. Demand spikes when temperatures drop and heating failures rise. Schedule inspections and replacement quotes before November to avoid multi-week lead times, and consider emergency-service options if a furnace fails mid-winter.
How do I find a high-efficiency furnace specialist in Joliet?
Look for contractors who advertise high-efficiency furnace installs and document manufacturer-dealer status or efficiency-tier experience. Check recent local reviews that mention modulating furnaces, confirm NATE or similar technician certifications, and ask for written efficiency ratings with the proposal. These signals indicate hands-on experience with high-efficiency systems.
Do Joliet installers handle gas line tie-ins and venting permits for gas furnace replacements?
Many licensed installers in Joliet handle gas line work and required venting permits, but homeowners should confirm permit responsibility in writing. Ask whether the contractor pulls permits, arranges inspections, and provides combustion-safety documentation. Clarifying these items reduces delays from incomplete permitting steps.
Should homeowners combine furnace replacement with an AC replacement in Joliet to save time?
Combining furnace and AC replacement can reduce total project time and coordinate permit inspections. Contractors can schedule matched-system installs during a single mobilization, which often shortens the overall timeline. Request a combined installation timeline and verify whether the contractor has experience installing paired systems.
How do local permit and bonding requirements affect the replacement schedule in Joliet?
Permit and bonding steps add administrative time before installations start. Contractors must secure proofs and sometimes wait for inspection slots, which can extend lead times. Ask contractors for a permit timeline and a written start date to align expectations and avoid heating gaps during cold weather.
Can a Joliet contractor offer same-day furnace replacement during a winter emergency?
Some Joliet contractors advertise emergency service availability and may offer same-day replacement for limited situations. Availability depends on season, parts on hand, and crew schedules. Confirm whether the contractor stocks common furnace models and whether a same-day install includes necessary permits and safety checks.

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