Heating and Cooling in Dubuque, Iowa
Dubuque, on the Mississippi bluffs in Dubuque County, has plenty of older homes with older heating systems. Here is what Dubuque homeowners should know before an HVAC project.
HVAC permits in Dubuque
The City of Dubuque's Permit Applications and Fees page lists "Installing a new or replacing a furnace, water heater, central air conditioning; including venting of an appliance" among work that requires a mechanical, plumbing and/or electrical permit, along with gas piping. It says contractors must be licensed in the City of Dubuque and by the State of Iowa. Owner-occupants of single-family homes may get permits for their own work, but if a contractor does it, the city recommends the contractor get the permit. Mechanical permits are applied for through the city's online portal. Questions: Inspection & Construction Services, 563-589-4150. Dubuque also has a separate geothermal permit process.
Permit rules change, so treat this as a starting point and confirm with the city. The Iowa Attorney General advises caution if a contractor avoids talking about permits or inspections.
Check an HVAC contractor's Iowa license
Iowa's Department of Inspections, Appeals, and Licensing (DIAL) says Iowa law requires plumbing and mechanical contractors, including HVAC and refrigeration contractors, to be licensed with the Plumbing and Mechanical Systems Board and registered with DIAL. Board contractor requirements include at least $500,000 in public liability insurance and a $5,000 surety bond. DIAL's contractor license page links to a public portal for verifying licenses, and you can check registration in the state contractor registration search. See our guide to choosing an HVAC company.
Winter safety in Dubuque
Dubuque is served by the NWS Quad Cities office of the National Weather Service, which issues local winter storm and cold warnings. Before the cold sets in:
- Book a fall furnace check-up. The CDC recommends yearly service of heating systems by a qualified technician, and ENERGY STAR suggests heating check-ups in the fall.
- Test carbon monoxide alarms. The CDC recommends battery or battery back-up CO detectors near every sleeping area.
- Keep vents clear after snow. Alliant Energy warns snow can block appliance exhaust vents and says to clear them gently by hand or with a broom.
- Smell gas or hear a CO alarm? Leave the home first, then call your gas utility's emergency line and 911 from a safe place.
No heat right now? Start with our safe no-heat checklist.
Utility discounts
Depending on your address, your gas or electric service may come from MidAmerican Energy, Alliant Energy, a municipal utility or a co-op. Check your bill. MidAmerican and Alliant both offer instant discounts on qualifying furnaces, central AC and heat pumps through participating contractors. Terms change, so see our rebates guide and the utility's own page.
Heating and cooling guides for Dubuque homeowners
- Hiring an HVAC proHow to Choose an HVAC Company in IowaHiring a furnace or AC contractor in Iowa? Check state registration and HVAC licensing, compare estimates, and spot red flags the Iowa AG warns about.Read guide →
- No heat and safetyFurnace Not Working? A Safe No-Heat Checklist for Iowa HomesFurnace quit on a cold Iowa night? Safe checks you can do yourself, CO and gas-smell warnings from the CDC and utilities, and when to call a pro.Read guide →
- Heat pumpsHeat Pumps in Iowa Cold Weather: What the Federal Guidance SaysCan a heat pump heat an Iowa home at 5°F? What the DOE and ENERGY STAR say about cold-climate heat pumps, dual fuel, backup heat and sizing.Read guide →
- Rebates and savingsIowa HVAC Rebates: How MidAmerican and Alliant Instant Discounts WorkHow MidAmerican and Alliant instant discounts work for furnaces, heat pumps and central AC in Iowa, who qualifies, and how to check current terms.Read guide →
Heating & cooling companies that serve Dubuque
798 Cedar Cross Rd, Dubuque, IA 52003
Dubuque and Quad Cities heating and cooling company that installs, maintains and repairs residential heating and cooling systems, including geothermal, with a planned service agreement.
- Furnaces & heating
- Air conditioning
- Maintenance plans
- Geothermal
Service area (their words): Offices in Dubuque and Davenport (5000 Tremont Ave Suite #103); says it has served the Tri-State Area since 1985.
Iowa contractor registration found (C131492, checked 2026-10-22)
How we checked
DIAL Active Iowa Construction Contractor Registrations open data (data.iowa.gov dataset 1052, data updated 2026-10-19), searched 2026-10-22: active record C131492, ALL SEASONS HEATING & COOLING INC, Dubuque, IA (Plumbing/Heating & A/C Contractors), expires 2029-06-30. Registered as ALL SEASONS HEATING & COOLING INC (Dubuque).
Listing source: https://www.allseasonshc.com/, https://www.allseasonshc.com/residential/ (checked 2026-10-22).
565 Cedar Cross Rd, Dubuque, IA 52003
Dubuque heating and cooling company offering furnace and AC repair and installation, maintenance and 24/7 emergency service.
- Furnaces & heating
- Air conditioning
- Ductwork
- Maintenance plans
- Indoor air quality
Service area (their words): Says it has served the Dubuque community since 1996.
Iowa contractor registration found (C130911, checked 2026-10-22)
How we checked
DIAL Active Iowa Construction Contractor Registrations open data (data.iowa.gov dataset 1052, data updated 2026-10-19), searched 2026-10-22: active record C130911, BIRCH HEATING & COOLING CO, Dubuque, IA (Plumbing/Heating & A/C Contractors), expires 2029-06-30. Registered as BIRCH HEATING & COOLING CO.
Listing source: https://birchheating.com/, https://birchheating.com/heating-repair-dubuque-ia (checked 2026-10-22).
123 Southern Ave, Dubuque, IA 52003
Dubuque plumbing, heating and air conditioning service from Molo Companies, offering furnace and AC service, including oil furnace installation and repair.
- Furnaces & heating
- Air conditioning
- Maintenance plans
Service area (their words): Dubuque-based division of Molo Companies.
No active Iowa registration found by name (checked 2026-10-22)
How we checked
DIAL Active Iowa Construction Contractor Registrations open data (data.iowa.gov dataset 1052, data updated 2026-10-19), searched 2026-10-22: No active registration found under the name Molo or the site's address.
Listing source: https://www.molocompanies.com/molo-plumbing-heating-air-conditioning/heating-cooling/ (checked 2026-10-22).
ServiceOne (Dubuque)
regional1840 Radford Road, Dubuque, IA 52002
Regional heating, cooling, plumbing and electrical company with a Dubuque office, offering furnace repair, maintenance and replacement, geothermal and ductless systems.
- Furnaces & heating
- Air conditioning
- Heat pumps
- Boilers
- Ductwork
- Maintenance plans
- Geothermal
- Indoor air quality
Service area (their words): Regional company with a Dubuque Metro Area office and an Omaha / Council Bluffs Metro Area office (Omaha, NE).
Registration not confirmed by us (checked 2026-10-22)
How we checked
DIAL Active Iowa Construction Contractor Registrations open data (data.iowa.gov dataset 1052, data updated 2026-10-19), searched 2026-10-22: An active Plumbing/Heating & A/C registration lists 'DBA SERVICEONE HCPE' (HOLT PLUMBING HEATING COOLING & ELECTRICAL LLC, Des Moines, C147236), but we could not confirm it covers the Dubuque or Omaha offices.
Listing source: https://serviceone.com/dubuque/heating/furnace-repair/ (checked 2026-10-22).
See all 35 listed companies by town →
Listings are informational, not endorsements or rankings, and no company paid to be listed. Details come from each company’s own website. Registration status comes from the State of Iowa’s active contractor registration list on the date shown; always search Iowa contractor registration yourself before hiring. Companies can request a correction or removal.
Nearby towns we cover
Sources
- Permit Applications and Fees - City of Dubuque (checked 2026-10-22)
- Mechanical Permits - City of Dubuque (checked 2026-10-22)
- NWS Quad Cities forecast office - National Weather Service (checked 2026-10-22)
- Contractor License - Iowa Plumbing & Mechanical Systems Board (Iowa DIAL) (checked 2026-10-22)
- Contractor Registration - Iowa Department of Inspections, Appeals, and Licensing (checked 2026-10-22)
- Carbon Monoxide Poisoning Basics - U.S. Centers for Disease Control and Prevention (checked 2026-10-22)
- Maintenance Checklist - ENERGY STAR (U.S. EPA) (checked 2026-10-22)
- Home Discounts and Rebates - MidAmerican Energy (checked 2026-10-22)
- Instant Discounts program (Iowa) - Alliant Energy (checked 2026-10-22)
- Natural Gas Safety - Alliant Energy (checked 2026-10-22)
We link to the original sources so you can read them yourself. Brand or company names are not endorsements.