Best HVAC Companies in Ohio

Finding the best HVAC company in Ohio matters when a furnace fails during a January cold snap, an aging air conditioner creates uneven temperatures, or repeated repairs approach replacement costs. Older equipment can also lose efficiency and use refrigerants that are no longer widely supported, which raises repair costs even further when a component fails.

Ohio homes require dependable heating and cooling throughout the year. A contractor matches equipment capacity to the property’s heating and cooling load, inspects ductwork and electrical requirements, explains efficiency ratings, and provides a detailed written estimate.

This guide compares HVAC companies serving Ohio, with current market data concentrated in Columbus and Central Ohio. The comparison considers customer ratings, review volume, operating history, service range, local presence, response options, licensing information, and available company data. Current Columbus data places Thermo Pros first, followed by Fire & Ice, Sears Heating & Cooling, Hetter Heating & Cooling, Custom Air Conditioning and Heating Co., Classic Air, Northland Heating & Air Conditioning, Columbus Worthington Air, Logan Services, and CJS Heating and Air.

1. HVAC Reliable Pros

Best for: Residential and commercial HVAC installation, replacement, repair, and maintenance.

HVAC Reliable Pros provides heating, ventilating, and air conditioning services for residential and commercial properties. Services include HVAC installation, system replacement, repairs, maintenance, heating and cooling solutions, heat pumps, ductless systems, and other HVAC work.

HVAC Reliable Pros supports customers across different stages of the HVAC system lifecycle, from selecting replacement equipment to repairing existing systems and maintaining operating equipment. Customers request a property-specific evaluation before selecting equipment because system capacity depends on heating load, cooling load, ductwork, insulation, electrical requirements, and building conditions. A 3-ton air conditioning system provides approximately 36,000 BTU/h of nominal cooling capacity, while a 96% AFUE furnace converts approximately 96 cents of every fuel dollar into delivered heat under rated test conditions. HVAC Reliable Pros evaluates the property’s requirements and recommends equipment based on the actual application rather than square footage alone.

2. Thermo Pros

Best for: Commercial, industrial, and high-performance HVAC projects.

Thermo Pros holds the highest ServiceAgent score among the independently compared Ohio providers, with an 8.8/10 score. Current Columbus data also lists approximately 300 Google reviews with a 5.0-star rating. Thermo Pros provides commercial, industrial, and high-performance residential HVAC services, plus system design, maintenance, service, and controls integration.

3. Fire & Ice Heating, Cooling, Plumbing & Electrical

Best for: Customers seeking HVAC, plumbing, and electrical services from one company.

Fire & Ice provides air conditioning, furnace, heat pump, ductless mini-split, plumbing, and electrical services throughout Central Ohio. The company reports nearly 20 years of service in the Columbus market. Current Columbus data shows more than 4,000 reviews and a rating around 4.8 to 4.9 stars.

4. Sears Heating & Cooling

Best for: Central Ohio residential HVAC service backed by 75+ years of operating history.

Sears Heating & Cooling began operating in 1950 and reports more than 75 years of service. Current company information lists more than 2,500 Google reviews and a 4.9-star rating. Sears provides furnace repair and replacement, air conditioning repair and replacement, maintenance, and indoor air quality services across Columbus and surrounding Central Ohio communities.

5. Hetter Heating & Cooling

Best for: Established residential and commercial HVAC service with NATE- and EPA-certified technicians.

Hetter Heating & Cooling reports operation since 1963 and serves Columbus and surrounding communities. Services include heating, cooling, commercial HVAC, indoor air quality, heat pumps, air conditioners, furnaces, thermostats, and mini-splits. Hetter identifies NATE-certified and EPA-certified technicians among its service personnel.

6. Custom Air Conditioning and Heating Co.

Best for: Residential and commercial HVAC installation, repair, and replacement with upfront pricing.

Custom Air began operating in Columbus in 1976 and provides residential and commercial heating and cooling services in Columbus, Dublin, Delaware, and surrounding areas. Services include furnace repair, AC installation and repair, ductless mini-splits, heat pumps, thermostats, and indoor air quality. Custom Air advertises upfront pricing and a one-year workmanship warranty.

7. Classic Air

Best for: Residential heating and cooling in Columbus from a licensed Lennox Premier Dealer.

Classic Air began operating in Columbus in 1978 and provides AC repair, heating service, installation, maintenance, emergency service, heat pump service, and indoor comfort solutions. Classic Air lists Ohio license #17682 and identifies the company as a Lennox Premier Dealer, and it also provides a one-year parts and labor warranty on repairs.

8. Northland Heating & Air Conditioning

Best for: Local Columbus HVAC service from a smaller, tightly focused provider.

Northland Heating & Air Conditioning appears among the leading providers in current Columbus HVAC rankings. Current business data lists approximately a 4.9-star rating with more than 270 reviews.

9. Columbus Worthington Air

Best for: Customers seeking a 90+ year established Columbus HVAC company with a large review base.

Columbus Worthington Air reports more than 90 years of HVAC service in Columbus. Services include furnace repair, AC repair, HVAC installation, maintenance, and indoor air quality. Current business data places the company at approximately 4.8 stars with more than 6,700 reviews.

10. Logan Services A/C, Heat & Plumbing

Best for: Residential HVAC replacement across three Ohio metro markets.

Logan Services has served Ohio homeowners since 1969 and operates in Columbus, Dayton, Cincinnati, and surrounding communities. Services include AC repair, AC installation, AC maintenance, emergency cooling, heating, HVAC replacement, and plumbing. The company reports thousands of customer reviews and 24/7 emergency HVAC repair availability.

11. CJS Heating, Cooling, Plumbing & Electrical

Best for: Customers seeking HVAC with plumbing and electrical services across five Ohio communities.

CJS serves Columbus, Dayton, Springfield, Troy, Beavercreek, and surrounding Ohio communities. Services include furnace repair, AC repair, heat pump repair, HVAC installation, replacement, tune-ups, ductless mini-split service, plumbing, and electrical work. CJS states that more than 95% of heating and cooling repairs are completed during the first visit and that technicians provide written repair estimates.

How We Ranked These HVAC Companies

The best HVAC contractor depends on the property and service required. A company experienced in residential furnace replacement may not provide the same expertise for commercial rooftop units, industrial HVAC systems, or complex ductwork.

The ranking considers customer ratings, review volume, operating history, HVAC installation capabilities, repair services, heating and cooling equipment expertise, commercial availability, response options, licensing information, technician qualifications, warranties, and Ohio service coverage.

Current ServiceAgent data identifies 101 HVAC businesses across 17 Ohio cities. The current Ohio dataset ranks Thermo Pros first with an 8.8/10 composite score, and Thermo Pros’ Columbus ranking also places it first among the evaluated HVAC providers.

Licensing and Credentials

Ohio regulates HVAC contracting through the Ohio Construction Industry Licensing Board. Ohio Revised Code Chapter 4740 identifies HVAC contracting as a licensed trade and establishes requirements for HVAC contractor licensing. Customers verify the contractor’s Ohio HVAC license before signing an installation or replacement agreement, and local building departments may also require permits, registrations, or inspections depending on the project.

Customer Reviews and Ratings

Customer reviews provide information about technician communication, appointment availability, installation quality, repair experiences, and warranty support. Review volume adds context: a 4.9-star rating based on thousands of reviews represents a larger customer sample than a 5.0-star rating based on a few dozen reviews. Customers prioritize reviews from the previous 12 to 24 months and look specifically for furnace installation, AC replacement, heat pump installation, emergency repairs, and warranty experiences.

Years in Business and Experience

Operating history provides useful context when comparing contractors. Sears Heating & Cooling reports operation since 1950, Hetter Heating & Cooling since 1963, Custom Air Conditioning and Heating since 1976, and Classic Air since 1978. Operating history remains one comparison factor rather than the only deciding factor: customers also verify licensing, technician qualifications, equipment experience, warranties, and installation scope.

Service Range

HVAC companies may provide furnace installation, AC replacement, heat pump installation, ductless mini-splits, thermostats, ductwork, indoor air quality, maintenance, and emergency repair. Equipment specifications also matter: a 96% AFUE furnace converts approximately 96 cents of every fuel dollar into delivered heat under rated test conditions. A 3-ton cooling system provides approximately 36,000 BTU/h of nominal cooling capacity. A variable-speed blower adjusts airflow across multiple operating levels instead of running at one fixed speed.

Warranty and Response Time

Customers compare manufacturer equipment warranties with contractor workmanship warranties because the two warranties cover different parts of the project. Some contractors also provide separate labor warranties for repairs and installations. Response time becomes particularly important during Ohio winters: a contractor offering emergency or extended-hour service provides faster assistance when a furnace stops producing heat during freezing conditions.

What to Look for in an HVAC Company

Choosing an HVAC contractor requires more than comparing the lowest estimate. Customers compare licensing, technician qualifications, equipment specifications, installation scope, warranties, and service coverage.

Verify Ohio HVAC Licensing

Ohio law requires HVAC contractors to meet state licensing requirements. Customers verify the contractor’s HVAC license through the Ohio Construction Industry Licensing Board before signing a contract, and confirm local permit requirements with the applicable city or county building department. License verification confirms the contractor’s credential but does not independently establish installation quality.

Check Technician Qualifications and Certifications

Ask which technicians will perform the installation or repair and whether those technicians hold NATE, EPA Section 608, manufacturer, or other relevant certifications. For equipment replacement, ask the contractor to document the heating and cooling load: a 2,000-square-foot home does not automatically require a specific furnace or AC capacity, because insulation, windows, air leakage, ceiling height, ductwork, and building orientation affect the required capacity.

Compare Written Estimates

Every contractor should quote the same project scope. Compare the furnace BTU/h rating, AFUE percentage, AC or heat pump capacity, SEER2 rating, equipment model numbers, thermostat, ductwork, electrical work, refrigerant lines, permits, removal, disposal, equipment warranty, and workmanship warranty. For example, a 60,000 BTU/h furnace has a nominal input capacity of 60,000 BTU/h. A 96% AFUE furnace converts approximately 57,600 BTU/h into useful heat at the rated efficiency. A 3-ton AC system provides approximately 36,000 BTU/h of nominal cooling capacity.

Look for Transparent Pricing

Ask for an itemized proposal before installation begins, separating equipment, labor, permits, ductwork, electrical work, refrigerant-line work, accessories, removal, and other project costs. Current 2026 estimates place full HVAC replacement in Ohio at approximately $7,900 to $16,550. Columbus projects generally range from approximately $8,900 to $16,550. Cleveland estimates range from approximately $8,250 to $15,300, while Cincinnati estimates range from approximately $8,300 to $15,400. The final price depends on equipment capacity, efficiency, ductwork, electrical requirements, permits, labor, refrigerant lines, and property conditions.

Consider Ohio’s Climate

Ohio HVAC systems operate through cold winters and warm, humid summers. Columbus, Cleveland, Cincinnati, Dayton, Akron, and Toledo require heating and cooling equipment that matches local outdoor conditions and the property’s calculated load.

A 96% AFUE furnace converts approximately 96 cents of every fuel dollar into delivered heat under rated test conditions. A 16 SEER2 condenser removes 16 BTUs of heat per watt-hour consumed, a higher seasonal efficiency rating than a lower-rated system under the same test conditions. A 3-ton heat pump provides approximately 36,000 BTU/h of nominal cooling capacity. The contractor matches system capacity to the property’s heating and cooling load and verifies ductwork, electrical capacity, controls, and drainage before installation.

Ohio HVAC Cost Example

Consider a 2,200-square-foot Columbus home with a 20-year-old furnace and central AC system. The existing furnace operates at 80% AFUE, while the AC system carries an older 10 SEER rating.

Three contractors provide written replacement estimates ranging from $8,400 to $11,200. The homeowner compares a basic replacement at $8,400, a $9,700 system with a 96% AFUE furnace and 16 SEER2 AC, and an $11,200 proposal with a 96% AFUE furnace, 17 SEER2 AC, upgraded controls, and duct modifications.

The $8,400 proposal is not automatically the best value. The homeowner compares capacity, efficiency, ductwork, electrical work, permits, controls, equipment warranties, and labor warranties before selecting a contractor.

HVAC Services Available Across Ohio

Ohio homeowners select contractors based on the specific service required. Furnace repair, AC replacement, heat pump installation, ductless installation, and commercial rooftop-unit service require different equipment knowledge and installation procedures.

HVAC Installation

HVAC installation begins with determining the required system capacity. The contractor calculates the heating and cooling load, evaluates ductwork, verifies electrical requirements, installs the equipment, connects refrigerant or fuel lines, configures controls, and tests system operation.

A 3-ton air conditioner provides approximately 36,000 BTU/h of nominal cooling capacity. A 2.5-ton system provides approximately 30,000 BTU/h, while a 4-ton system provides approximately 48,000 BTU/h. The contractor selects capacity based on the calculated load rather than square footage alone: oversized AC equipment reduces runtime available for humidity removal, while undersized equipment struggles during peak outdoor temperatures.

HVAC Replacement

HVAC replacement becomes appropriate when repair costs increase, equipment efficiency remains low, or replacement parts become difficult to source. A contractor compares equipment capacity, efficiency, fuel type, ductwork, electrical requirements, installation conditions, and expected operating costs.

Replacing an 80% AFUE furnace with a 96% AFUE furnace increases rated efficiency by 16 percentage points. Replacing a 10 SEER system with a 16 SEER2 system also increases the seasonal efficiency rating, although actual energy savings depend on operating hours, weather, equipment sizing, and electricity rates.

Furnace Services

Furnace services include installation, replacement, ignition repair, blower motor repair, heat exchanger inspection, thermostat troubleshooting, gas valve service, airflow testing, and preventive maintenance.

A 60,000 BTU/h furnace rated at 96% AFUE produces approximately 57,600 BTU/h of useful heat at rated efficiency. The same 60,000 BTU/h input at 80% AFUE produces approximately 48,000 BTU/h of useful heat. A properly sealed duct system limits air leakage to approximately 5% of total system airflow, compared with significantly higher losses in an unsealed system. The contractor sizes the furnace according to the property’s calculated heating load instead of selecting equipment solely according to floor area.

Air Conditioning

Central AC removes heat from indoor air and transfers the heat outdoors. A 3-ton AC system provides approximately 36,000 BTU/h of nominal cooling capacity, while a 4-ton system provides approximately 48,000 BTU/h. A 16 SEER2 system carries a higher seasonal efficiency rating than a lower-rated system under the applicable test conditions.

Before replacing central AC equipment, the contractor inspects the condenser, evaporator coil, refrigerant lines, electrical disconnect, ductwork, return airflow, and condensate drainage.

Heat Pumps

Heat pumps provide heating and cooling through a refrigerant cycle. A 3-ton heat pump provides approximately 36,000 BTU/h of nominal cooling capacity, although heating output varies according to outdoor temperature.

The contractor evaluates heating capacity at relevant outdoor temperatures rather than relying only on nominal cooling capacity. A properly sized heat pump provides heating during moderate outdoor conditions, while auxiliary or backup heat provides additional capacity when outdoor temperatures fall below the system’s design range. The contractor evaluates insulation, ductwork, electrical capacity, heating load, cooling load, and backup heating requirements before recommending a heat pump.

Ductless HVAC

Ductless mini-splits connect an outdoor condenser to one or more indoor air-handling units. A single-zone system conditions one room without installing a conventional duct network, while a multi-zone system connects several indoor units to one outdoor unit.

Ductless systems suit additions, garages, converted rooms, older homes without existing ductwork, and areas requiring independent temperature control. A 12,000 BTU/h indoor unit provides a nominal 1-ton cooling capacity, and the contractor sizes each indoor unit according to room load, insulation, windows, ceiling height, occupancy, and solar gain.

Ohio HVAC Service Areas

HVAC service availability varies by contractor. Major Ohio markets include Columbus, Cleveland, Cincinnati, Dayton, Akron, Toledo, Canton, Youngstown, Parma, Lorain, Hamilton, Springfield, Kettering, Cuyahoga Falls, Mansfield, Newark, Dublin, Westerville, Delaware, and Grove City.

Current HVAC business data identifies Cincinnati, Columbus, Dayton, Cleveland, Toledo, and Akron among Ohio cities with the most HVAC contractor activity. Logan Services lists Columbus, Dayton, and Cincinnati operations. CJS serves Columbus, Dayton, Springfield, Troy, Beavercreek, and surrounding communities.

Customers confirm the exact ZIP-code service area before scheduling an appointment, because a contractor serving Columbus may not cover Cleveland, Toledo, or Cincinnati.