John Gowing Plumbing & Heating
HVAC
Serving Shenandoah, IA
From Google Business Profile
4.7
20 Google reviews
Hours
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Closed |
| Sunday | Open 24 hours |
Google categories: Heating contractor
View on Google Maps →Last checked October 4, 2026.
More from Google Business Profile
Photos on Google: 1
Recent Google reviews (excerpts)
Written by Google users, not by EdgeLocal. EdgeLocal has not verified them and does not show reviewer names.
5 out of 5 stars · Jun 2025
My water heater died and they were there the next day installing my new one.
5 out of 5 stars · Oct 2024
Fit us in right away, fairly priced and did a GREAT job of unclogging our main sewage line when others could not. Will definitely be calling again in the future!
5 out of 5 stars · Jul 2024
1 year later and my new sink, faucet, disposal and pipes are working like a charm. Great quality work at a reasonable price. Thank you!
The owner replied to 0 of the 5 most recent reviews Google showed.
From Google Business Profile, last checked October 4, 2026.
About hvac contractors in Shenandoah
HVAC contractors install, service and repair furnaces, air conditioners, heat pumps and ductwork. HVAC contractors replace furnaces and central air conditioners, install heat pumps and ductless mini-splits, perform seasonal tune-ups, seal and balance ductwork, add humidifiers and air filtration, and respond to no-heat emergencies.
Typical cost: $5,500–$14,000 for a furnace or central AC replacement. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Ask for a load calculation: A Manual J calculation sizes equipment for your actual home.
- Compare equipment line by line: Match model numbers, efficiency ratings and warranty terms across quotes.
- Verify mechanical licensing: Iowa and several neighboring states license HVAC/mechanical work.