When you need reliable HVAC services, AC repair, or furnace repair in Cincinnati, trust the experienced team at National Heating and Air Conditioning. As an HVAC company with over 90 years of history serving the community, we’ve built a reputation for dependable service and unmatched expertise. Hundreds of Cincinnati homeowners and businesses rely on us for their heating and cooling needs, and we’re committed to earning your trust, too. Whether it’s keeping your AC running smoothly in the summer or ensuring your furnace is ready for winter, National Heating and Air Conditioning is here to help.
Don’t put up with an inefficient home any longer. Call National for professional heating and air conditioning services in Cincinnati, OH!
Heating Services in Cincinnati
Proper care of your heating system ensures it takes care of you when you need it most. As your trusted heating contractor, we specialize in services like furnace repair, furnace installation, and heat pump repairs to keep your home warm and comfortable. Regular maintenance, such as annual tune-ups, is essential for safety, efficiency, and longevity — especially for systems like electric furnaces.
A tune-up not only ensures your furnace operates safely by detecting potential carbon monoxide leaks but also helps prevent unexpected breakdowns during the colder months. By addressing minor issues early, you can avoid costly repairs and keep your system running efficiently, saving money on energy bills. Trust us to provide the expert care your heating system needs to stay reliable and safe throughout the winter.
Our heating services include:
Cincinnati Air Conditioning Services
As complex as you think your furnace is, it’s nothing compared to your air conditioner. In fact, next to your vehicle, it’s probably the most complex piece of machinery you own. As such, it needs regular maintenance. During an annual tune-up, we start by ridding your system of built-up dirt and grime, both of which undercut its effectiveness. We also:
- Check the thermostat settings and controls
- Tighten the electrical connections
- Measure the voltage
- Lubricate the moving parts
- Check the condensate drain
- Check the refrigerant level
It’s a tall order, but then, at National, we always aim high. Our skilled technicians here in Cincinnati are trained for the following air conditioning services:
- Air conditioner installation
- Air conditioner maintenance
- Air conditioner repair
- Commercial Air Conditioning
Connected Home Services
With so many systems at play in your home, having them controlled and connected can be quite useful. Our systems not only monitor your home but also offer solutions for security and lighting control. We offer a variety of home automation services in Cincinnati, including:
- Energy management
- Lighting control
- Home security
- Vehicle detection
- Total home audio
- Irrigation
- Access control
- Home theater
- Pool & spa
- Surveillance cameras
- Internet access & control
Choose National Heating & Air Conditioning in Cincinnati
We see the full range of seasons in Cincinnati, which means that it’s vital to have reliable HVAC services that will keep you comfortable no matter the season. National Heating and Air Conditioning has been in business for over 90 years — we have what it takes to keep your home safe and your family happy.
Contact us online or call us to schedule an appointment with a reliable HVAC company in Cincinnati, Ohio.
Recent Jobs and Reviews in Cincinnati, OH
Job Locations and Reviews
Responded to no heat service call where thermostat was displaying "Calibrating Heat/Cool disabled" message. Diagnosed thermostat malfunction preventing system from initiating heat cycle. Recalibrated thermostat and restored normal heating operation.
Conducted commercial AC replacement estimate for a rooftop unit at Extended Stay property. Inspected existing outdoor condenser unit mounted on concrete pad with adjacent electrical disconnect box, noting significant debris accumulation around flexible conduit/drain pipes requiring maintenance. Documented current system condition with photos to provide accurate replacement options suitable for the commercial application.
Inspected and serviced fuel fill whistle system. Verified proper operation of flow meter on main supply line showing indicator functioning at approximately 75% capacity. Confirmed all threaded connections were secure with no signs of leakage.
Conducted a replacement estimate for a Goodman furnace system with connected Bryant components. Evaluated existing ductwork configuration and Honeywell humidifier installation. Documented current mechanical room setup including water heater integration and PVC exhaust ventilation to provide comprehensive replacement options.
Conducted a comprehensive estimate for the installation of two geothermal systems. Inspected the current HVAC setup including an existing Totaline furnace unit with connected ductwork in the basement area and a Geo-Flo component with dual gauges and associated piping. Documented the site conditions with photographs to facilitate accurate system sizing and installation planning.
Conducted assessment for second-floor HVAC system replacement, confirming presence of existing Unico high-velocity system in attic space with flexible insulated ductwork. Customer is interested in heat pump conversion option; documented current installation including Honeywell controls, PVC connections, and overall system configuration to prepare comprehensive replacement proposal.
Performed inspection of existing heat pump system and confirmed compressor failure with short to ground as reported by lead. System consists of Bryant outdoor condenser unit with paired indoor air handler in utility room. Recommended complete heat pump system replacement due to electrical fault in compressor and age of equipment.
Responded to a no heat complaint at commercial boiler installation. Upon inspection, found significant water damage and deterioration on cylindrical tank, with visible moisture damage to surrounding walls. Identified electrical pump/motor issues connected to the system. Noted overall poor condition of equipment with concrete floor showing water staining and possible mold development on adjacent surfaces.
Conducted comprehensive evaluation for replacement of upper floor HVAC system. Inspected existing ductwork showing signs of water damage/aging and examined electrical panel to verify appropriate circuit capacity for new installation. Documented current system configuration and electrical requirements to prepare detailed replacement proposal.
Conducted inspection of commercial boiler system showing extensive deterioration of pipe infrastructure. Documented severe corrosion at multiple connection points, including a compromised reddish valve assembly and significant mineral buildup at joints. Noted structural damage to wall penetration with visible cracking extending from pipe entry point, requiring both immediate repair options and complete system replacement alternatives for client consideration.
Conducted mini-split system estimate at industrial machine shop facility. Inspected existing HVAC infrastructure including ductwork, vertical piping, and current heating unit. Evaluated space requirements and structural considerations for new mini-split installation in workshop environment with metal corrugated walls, brick surfaces, and industrial equipment.
Returned to address inspection corrections on HVAC installation. Replaced improper rubber coupling on water heater blower with approved straight pipe section to meet code requirements. Installed missing gasket and hex screw on furnace as documented in previous inspection photos.
