WM. J. Kraus & Son, Inc.
hvac
Serving Keokuk, IA
From Google Business Profile
4.5
38 Google reviews
Hours
| Monday | 8 AM–4:30 PM |
| Tuesday | 8 AM–4:30 PM |
| Wednesday | 8 AM–4:30 PM |
| Thursday | 8 AM–4:30 PM |
| Friday | 8 AM–4 PM |
| Saturday | Closed |
| Sunday | Closed |
Google categories: HVAC contractor
View on Google Maps →Last checked October 4, 2026.
More from Google Business Profile
Photos on Google: 22
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 · Aug 2026
The guy showed up did a very professional job
5 out of 5 stars · Nov 2023 · Owner replied
These guys are awesome! Called them on a Monday and they came out gave me a quote and had my new furnace installed by 10am Thursday.. I know who I will be going through for all of my heating and air conditioner needs from here on out!
5 out of 5 stars · Aug 2023 · Owner replied
What a nice experience even if it was a mess for you (and me) :D With all of that rain you had to work in you did it all effortlessly. We appreciate how polite everyone was, how always on time and how hard working all of you were to get…
The owner replied to 3 of the 5 most recent reviews Google showed.
From Google Business Profile, last checked October 4, 2026.
Iowa Contractor Registration
- Reg. #
- C132569
- Expires
- June 30, 2029
Source: Iowa Division of Labor contractor registration data, licensed under CC BY 4.0. Look up this registration
About hvac contractors in Keokuk
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.