ServiceOne Heating, Cooling, Plumbing, and Electrical
HVAC
Serving Dubuque, IA
From Google Business Profile
4.8
837 Google reviews
Hours
| Monday | 7:30 AM–5 PM |
| Tuesday | 7:30 AM–5 PM |
| Wednesday | 7:30 AM–5 PM |
| Thursday | 7:30 AM–5 PM |
| Friday | 7:30 AM–5 PM |
| Saturday | Closed |
| Sunday | Closed |
Google categories: HVAC contractor, Air conditioning contractor, Air conditioning repair service, Heating contractor
View on Google Maps →Last checked October 11, 2026.
More from Google Business Profile
Photos on Google: 29
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 · Owner replied
Had Cody come out to help with a major plumbing issue. He was so helpful and took the time to walk us through the issues and was really thorough in his inspection. Really value his professionalism and helpful attitude. I feel like we…
5 out of 5 stars · Jul 2026 · Owner replied
Had Raleigh come for hvac maintenance. He was polite, friendly and honest also very knowledgeable. Later that day had corey come out to give us an estimate on a new unit. He was an expert and also very friendly. The customer service is…
5 out of 5 stars · Jul 2026 · Owner replied
Raleigh W. was a great tech! He explained everything simply, so I could understand, and helped me get my AC back up and running after it broke on one of the hottest days of the year. I signed up for the monthly maintenance plan to keep my…
The owner replied to 5 of the 5 most recent reviews Google showed.
From Google Business Profile, last checked October 11, 2026.
About hvac contractors in Dubuque
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.