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HVAC Company
Janssen Heating & Cooling
Verified
4.9(62 reviews)•Residential•Serving East Alton, IL
EPALicensed, Bonded And InsuredNCI
Provides HVAC, plumbing, and insulation services for residential properties in Alton, IL and surrounding areas.
Janssen Heating & Cooling is an HVAC contractor based in East Alton, IL. Services listed include heating, cooling, furnace repair and replacement and AC repair and installation. Emergency service available.
Yes
Emergency Service
East Alton, IL
Service Area
Services Offered
Customer Sentiment Summary
Strengths
- Technical depth stands out: 15 reviewers credit the crew with a correct diagnosis and a clean repair.
- Crews carry themselves professionally — 12 reviewers single out polite, respectful technicians.
- No hard sell: 9 reviewers describe upfront quotes that matched the final invoice.
- 7 reviewers describe the technicians as personable and pleasant to deal with.
Areas to Watch
- No complaint recurs across the 61 reviews analysed, which is consistent with the 4.9-star average — but a clean record is not the same as a long one.
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FAQ
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Janssen Heating & Cooling lists heating, cooling, furnace repair and replacement and AC repair and installation. Contact them to confirm they handle your specific job.
Janssen Heating & Cooling is based in East Alton, IL.
Yes, Janssen Heating & Cooling lists emergency service. Call them directly for urgent heating or cooling repairs.
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