No heat or no cooling right now?
If you smell gas or a carbon monoxide alarm sounds, leave first and call 911 or your gas utility from outside. Otherwise, call a company below that says it takes emergency calls. Quick checks first: AC not cooling · furnace not working.
The list
Cincinnati HVAC companies, A to Z
Filter by what each business says on its own website. “Says 24/7 emergency” means its site says so – call to confirm before you rely on it.
Your HVAC company, Cincinnati
The one City Spotlight place for Cincinnati sits here, above the A to Z list. Requests sent from this page for areas the Spotlight company serves go to it. Offered only to companies that pass our listing rules. How it works
Action Heating & Air
Based in Crescent Springs, KY · 2535 Ritchie Ave., Crescent Springs, KY 41017
Names on its website: Fort Mitchell, Villa Hills, Edgewood, Cold Spring, Covington, Burlington, Hebron, Florence, Erlanger, Independence and more
Adams Heating & Cooling
Based in Cincinnati, OH · 3932 Nine Mile, Cincinnati, OH 45255
Names on its website: Amelia, Anderson Township, Batavia, Bethel, Hyde Park, Indian Hill, Loveland, Madeira, Mariemont, Milford and more
License number shown on its website: Ohio License #26502
Airtron Heating & Air Conditioning (Cincinnati)
Based in West Chester, OH · 5100 Rialto Rd., West Chester, OH 45069
Names on its website: Blue Ash, Fairfield, Hamilton, Lebanon, Loveland, Mason, Middletown, Milford, Monroe, Sharonville and more
License number shown on its website: OH 38283 / KYM05137 · Franchise location (Airtron)
Arlinghaus Plumbing, Heating, Air Conditioning & Electrical
Based in Cincinnati, OH · 11575 Goldcoast Dr, Cincinnati, OH 45249
Names on its website: Erlanger, Florence, Burlington, Union, Independence, Bellevue, Covington
License number shown on its website: KY HM05428; OH 47296; MPL-7768; OH 48803; ME66734
Cincy Heating & Cooling
Based in Cincinnati, OH · 11394 Williamson Road, Cincinnati, OH 45241
Names on its website: Blue Ash, Montgomery, Deer Park, Mason, Fairfield, Silverton, Maineville, St. Bernard, Evendale, Terrace Park and more
Dan Cain Heating & Cooling
Based in Cincinnati, OH · 621 Libbejo Dr., Cincinnati, OH 45233
Names on its website: Delhi Township, Price Hill, Cheviot, Bridgetown, Green Township, Covedale, Westwood, Addyston, Cleves, North Bend
Fayette Heating & Air (Northern Kentucky)
Based in Elsmere, KY · 601 Buckner St Suite B, Elsmere, KY 41018
Names on its website: Covington, Crestview Hills, Erlanger, Florence, Fort Mitchell, Ft. Wright, Hebron, Independence, Newport, Burlington and more
License number shown on its website: HM06158, HJ12900, CE66312, M6397, J12235
Five Star Heating & Cooling Cincinnati
Based in Cincinnati, OH · 7374 Reading Road, Suite 118, Cincinnati, OH 45237
Names on its website: Blue Ash, Fairfield, Forest Park, Hamilton, Indian Hill, Lebanon, Loveland, Mason, Middletown, Milford and more
License number shown on its website: OH HVAC# 48904 · Franchise location (Five Star Home Services)
Hader Solutions
Based in Cincinnati, OH · 3400 Gamble Ave, Cincinnati, OH 45211
Names on its website: Delhi, Westwood, White Oak, Bridgetown, Dent, Cheviot, Groesbeck, Covedale, Cleves
Hauser Air
Based in Blue Ash, OH · 6661 Corporate Dr, Blue Ash, OH 45242
Names on its website: Cincinnati, Mason, West Chester, Loveland, Hamilton, Milford
License number shown on its website: 48751, 13824
Herrmann Services
Based in Cincinnati, OH · 8256 Clara Avenue, Cincinnati, OH 45239
Names on its website: Blue Ash, Colerain, Fairfield, Hamilton, Liberty Township, Loveland, Mason, Sharonville, Springdale, West Chester
Hill-Air Heating & Air Conditioning
Based in Fairfield, OH · 3160 Cunagin Dr., Fairfield, OH 45014
Names on its website: Hamilton, West Chester, Cincinnati, Middletown, Monroe, Mason, Forest Park, Lebanon, Loveland, Springboro and more
License number shown on its website: Ohio: 13850; Kentucky: M04719
Howe Heating & Cooling
Based in Florence, KY · 8397 US-42, Florence, KY 41042
Names on its website: Alexandria, Bellevue, Burlington, Covington, Crestview Hills, Edgewood, Erlanger, Fort Mitchell, Fort Thomas, Newport and more
ICON Heating and Cooling
Based in Mason, OH
Names on its website: Cincinnati, Hamilton, Indian Hill, Lebanon, Liberty Township, Loveland, Madeira, Maineville, Milford, Monroe and more
National Heating & Air Conditioning
Based in Blue Ash, OH · 4300 Creek Road, Blue Ash, OH 45241
Names on its website: Mason, Loveland, West Chester, Montgomery, Kenwood, Indian Hill, Sharonville, Evendale, Glendale, Hyde Park and more
License number shown on its website: HVAC License: 45611; Hydronics License: 23971; Kentucky License: HM07057
Rusk Heating and Cooling
Based in Covington, KY · 940 Helen Ruth Dr., Covington, KY 41017
Names on its website: Cincinnati, Florence, Fort Mitchell, Erlanger, Newport, Burlington
License number shown on its website: Ohio: 22567; Kentucky: HM05674
Schibi Heating and Cooling
Based in Cincinnati, OH · 5025 Hubble Road, Cincinnati, OH 45247
Names on its website: White Oak, Monfort Heights, Bridgetown, Delhi Township, Springdale, Sharonville, Madeira, Kenwood, Blue Ash
Schmidt Heating and Cooling
Based in Cincinnati, OH · 7323 Vine Street, Cincinnati, OH 45216
Names on its website: Blue Ash, Montgomery, Sharonville, Mariemont, Amberley Village, Indian Hill, Norwood, Hyde Park, Wyoming, Glendale and more
Thomas & Galbraith Heating, Cooling, Plumbing & Electrical
Based in Fairfield, OH · 9520 LeSaint Drive, Fairfield, OH 45014
Names on its website: Cincinnati
License number shown on its website: OH HVAC: HV-49040; KY HVAC: HM06160
Tribble Heating and Air Conditioning
Based in Milford, OH · 5679 Buckwheat Road, Milford, OH 45150
Names on its website: Amelia, Anderson Township, Loveland, Hyde Park, Indian Hill, Madeira, Oakley, Union Township, Goshen Township, Madisonville and more
License number shown on its website: OH M#25018; OH #26953; KY HM04736; KY HJ14139
Westside Heating & Air Conditioning
Based in Cincinnati, OH · 3475 W 8th St, Cincinnati, OH 45205
Names on its website: Delhi, Westwood, Cheviot, Harrison, Bridgetown, Green Township, Colerain, White Oak, North Bend, Cleves and more
Details on this page come from each business’s own website, checked October 2026. Free listings are shown alphabetically. How we list · Update or remove a listing
Before you hire
Checking an HVAC company in the Cincinnati area
HVAC licenses in Ohio
HVAC contractors are licensed by the state.
Who licenses: Ohio Construction Industry Licensing Board (OCILB), Ohio Department of Commerce
License types: Heating, Ventilating, and Air Conditioning (HVAC) Contractor, Refrigeration Contractor, Hydronics Contractor.
Companies: Under Ohio Revised Code Chapter 4740 (section 4740.13), no one may act as or claim to be an HVAC or refrigeration contractor unless they hold or have been assigned an OCILB license, which requires passing the PROV licensing exam.
Check a license: elicense7.com.ohio.gov
Look the company up on the Ohio Department of Commerce eLicense license lookup and confirm an active HVAC or refrigeration contractor license before signing.
Federal rule: in every state, technicians who handle refrigerant must hold EPA Section 608 certification, whatever the state or city requires.
Sources: com.ohio.gov, codes.ohio.gov, codes.ohio.gov, com.ohio.gov. Checked October 2026 from official sources. This is not legal advice.
HVAC licenses in Kentucky
HVAC contractors are licensed by the state.
Who licenses: Kentucky Department of Housing, Buildings and Construction (Division of HVAC)
License types: Master HVAC Contractor, Journeyman HVAC Mechanic, HVAC Apprentice Registration.
Companies: A company or individual must hold a Master HVAC Contractor license to advertise or practice HVAC contracting (installation, maintenance, alteration, remodeling or repair of heating, ventilation, hydronic, burner-service or cooling systems) under KRS 198B.650-198B.689 and 815 KAR 8:010. KRS 198B.674 exempts a few groups, such as homeowners working on their own occupied property and full-time maintenance staff doing routine maintenance.
Local rules: The state also runs HVAC permits and inspections for new installations, and its HVAC permitting page says 17 local programs hold their own HVAC jurisdiction, so permits may go through the local authority instead.
Check a license: dhbc.ky.gov
Search the contractor's name on the state license search (choose Division of HVAC, license type Master HVAC Contractor) and confirm the license is active before signing.
Federal rule: in every state, technicians who handle refrigerant must hold EPA Section 608 certification, whatever the state or city requires.
Sources: apps.legislature.ky.gov, apps.legislature.ky.gov, apps.legislature.ky.gov, dhbc.ky.gov. Checked October 2026 from official sources. This is not legal advice.
Questions to ask
Ask every company the same questions: license number, insurance, EPA refrigerant certification, a written itemized estimate, a load calculation for new equipment, after-hours rates, who pulls the permit, and the warranty. All eight questions.
Seasonal care
Year-round care in Cincinnati
Cincinnati homes lean on both heating and cooling, so each system needs a check before its season: cooling in spring, heating in fall.
Questions
Cincinnati HVAC questions
How many HVAC companies are listed in Cincinnati?
21 HVAC companies, each based within about 25 miles of Cincinnati. They are listed alphabetically.
Which Cincinnati HVAC companies say they offer 24/7 emergency service?
12 of the businesses listed here say on their own website that they offer 24/7 or 24-hour emergency service: Action Heating & Air, Airtron Heating & Air Conditioning (Cincinnati), Arlinghaus Plumbing, Heating, Air Conditioning & Electrical, Cincy Heating & Cooling, Fayette Heating & Air (Northern Kentucky), Hader Solutions, National Heating & Air Conditioning, Rusk Heating and Cooling, Schibi Heating and Cooling, Thomas & Galbraith Heating, Cooling, Plumbing & Electrical, Tribble Heating and Air Conditioning, Westside Heating & Air Conditioning. Call to confirm availability and after-hours rates.
Do HVAC contractors in Cincinnati need a license?
Ohio licenses HVAC contractors statewide through the Ohio Construction Industry Licensing Board (OCILB), Ohio Department of Commerce. Check a license at elicense7.com.ohio.gov.
Which Cincinnati companies work on heat pumps?
19 of the listed businesses say on their own website that they install or repair heat pumps. Use the Heat pumps filter above the list.
Which HVAC companies here do commercial work?
12 of the listed businesses say on their own website that they work on commercial properties. Use the Commercial filter above the list.
Do technicians need EPA certification?
Yes: federal rules require technicians who handle refrigerant to hold EPA Section 608 certification, in every state. Ask any company you are considering.
Nearby metro areas: Philadelphia, PA · Detroit, MI · Pittsburgh, PA · Columbus, OH · Indianapolis, IN · Cleveland, OH · Louisville, KY · Charleston, WV. All of Ohio.
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No heat in freezing weather, or no cooling in dangerous heat? Call a company from the list that says it takes emergency calls – a form is not fast enough. If you smell gas or a carbon monoxide alarm sounds, leave first and call 911 or your gas utility from outside.