Janssen Heating Cooling Plumbing & Insulation
HVAC contractor in East Alton, IL.
- Trade
- HVAC contractor
- Business address
- 2 Terminal Dr, East Alton, IL 62024, USA
- Telephone
- (618) 541-2415
- Website
- janssenheatingandcooling.com
- Hours
-
- Mon to Fri8 AM to 6 PM
- Sat9 AM to 12 PM
From Google, checked May 2026
- Register
- IL register
Recorded as supplied and as found in public sources. This register makes no credential or quality claim about any business; check license status with the state board.
About Janssen Heating Cooling Plumbing & Insulation
Janssen Heating Cooling Plumbing & Insulation has 54 ratings with a 5.0 average on Google and is based in East Alton, Illinois.
The company handles cooling repair and installation, furnace and heating repair, heat pumps and mini-splits, and maintenance and tune-ups in East Alton. Financing is available.
Google lists the company as open Monday to Friday 8:00 AM to 6:00 PM, Saturday 9:00 AM to 12:00 PM, and closed on Sundays. A September 2026 reviewer said Steve arrived promptly to fix AC issues during a heat wave and was quick to diagnose the problem. An August 2026 reviewer said Steve fixed a sewer backup after hours and handled the plumbing efficiently at a fair rate.
NOAA's climate normals put East Alton at 4,780 heating degree days and 1,424 cooling degree days a year. In East Alton, 66% of homes heat with utility gas and 33% with electricity.
Services, brands and warranty details come from the company's own website. Ratings, hours and reviews come from Google. Town figures come from the US Census and NOAA.