How long has Air Plus been serving Cincinnati?

Air Plus Heating and Cooling has been serving Greater Cincinnati and Northern Kentucky since 1993. Founded by Rob Raby, the company is family-owned and operated out of Reading, Ohio, and has grown into one of the region’s most recognized HVAC contractors over more than three decades of service.

What does it mean to be a Carrier Factory Authorized Dealer?

Carrier Corporation designates Factory Authorized status only to dealers who meet strict annual benchmarks for technical training, customer satisfaction, and service quality. As a Carrier Factory Authorized Dealer, Air Plus technicians receive direct training on Carrier equipment and are held to a higher performance standard than the industry average. In 2025, Air Plus also received the Carrier President’s Award, which is given to fewer than 1% of Carrier dealers in the country.

Does Air Plus offer same-day heating and cooling service?

Yes. Air Plus offers same-day service for most heating and cooling calls, including weekends. Customers enrolled in the Air Plus Perks program receive 24-hour priority service, 365 days a year, including holidays.

Does Air Plus offer financing for new HVAC equipment?

Yes. Air Plus offers multiple financing options through Wells Fargo Bank, FTL Finance, and Microf. Options include low-interest and deferred-interest plans for qualified applicants, as well as a rent-to-own program through Microf that requires no credit check. Contact our office or ask your Home Comfort Advisor during your free quote appointment to find out which options are available to you.

What is the Air Plus Perks program, and what does it include

The Air Plus Perks program is Air Plus’s annual maintenance membership. Members receive two performance tune-ups per year, 24-hour priority emergency service 365 days a year, up to 40% off all replacement parts, no trip charges on service calls, an energy-saving coil cleaning, and a 30-day labor warranty on all services. The program is designed to extend the life of your system and catch problems early before they turn into expensive repairs.

Tankless Water Heater Installation & Service in Cincinnati, OH

Tankless Water Heater Installation & Service From a Plus Certified Plumbing Team

Whether you are upgrading from a traditional water heater, replacing an older tankless system, or repairing your current unit, Air Plus is ready to help. Since 1982, our licensed team has provided professional tankless water heater installation, replacement, repair, and maintenance throughout Greater Cincinnati.

Is It Time for Tankless Water Heater Service or Replacement?

Some tankless water heater problems can be repaired, while recurring performance issues may mean replacement is the better long-term option. Air Plus can diagnose your system and help you determine whether service, replacement, or a new installation makes the most sense.

Hot water starts hot but quickly turns cold during use

This usually means the system cannot maintain consistent heating due to scale buildup inside the heat exchanger or a flow rate issue that prevents proper activation.

Water temperature changes while you are using multiple fixtures

If showers or sinks fluctuate in temperature when other water sources are turned on, your system may be struggling with demand balancing, sensor calibration issues, or partial blockage in the unit.

Long delay before hot water reaches faucets

Tankless systems are designed for fast delivery. If it takes longer than usual, the issue may be related to clogged inlet filters, restricted flow, or reduced system efficiency from mineral buildup.

System shuts off unexpectedly during operation

Sudden shutdowns are often caused by overheating protection, ignition failure, or safety sensors detecting irregular combustion or venting problems.

Error codes appear on the display panel

These codes are your system’s way of signaling internal faults such as ignition failure, gas pressure irregularities, airflow restrictions, or electronic control issues. Ignoring them can lead to repeated shutdowns.

Noticeable drop in hot water pressure

Reduced flow can indicate internal scaling in the heat exchanger, partially blocked filters, or supply-side pressure issues affecting system performance.

Certified & Trusted Quality

Advanced Tankless Water Heater Solutions for Modern Homes

Tankless water heaters provide hot water on demand, improved energy efficiency, and more usable space—but the equipment must be properly selected, sized, and installed.

Air Plus handles first-time tankless installations, replacements, conversions from traditional tank-style water heaters, repairs, and routine maintenance for Cincinnati-area homeowners.

Before recommending a system, we consider your household’s hot water demand, fuel type, venting, electrical requirements, water quality, available space, and existing plumbing.

Certified and Insured

Tankless water heater installation and service require specialized knowledge of gas, water, venting, electrical, and safety requirements. Our licensed, insured, and NATE-certified technicians complete work according to manufacturer specifications and applicable codes.

We provide clear recommendations before work begins and complete each installation, replacement, or repair with a focus on safe operation, reliable hot water, and long-term performance.

Whether you are upgrading from a tank-style water heater or trying to extend the life of your current tankless system, Air Plus is ready to help.

What Tankless Water Heater Service Includes with Air Plus

A complete tankless water heater service goes beyond basic repairs. We clean, test, and evaluate the entire system to restore efficiency, safety, and consistent hot water performance.

01 Home and Hot Water Needs Assessment

We review your household size, fixture use, current equipment, and goals for repair, replacement, or a first-time tankless installation.

02 System Sizing and Installation Planning

For a new system, we calculate hot water demand and confirm fuel, venting, electrical, water, and space requirements before recommending equipment.

03 Clear Options and Upfront Estimate

We explain whether service, replacement, or installation is the best fit and provide clear pricing before work begins.

04 Professional Installation or Repair

Our technicians complete the approved work according to manufacturer specifications, code requirements, and proven installation practices.

07 Homeowner Walkthrough and Maintenance Guidance

We explain how your system works, review maintenance requirements, and answer questions about long-term care and performance.

06 Startup and Performance Testing

We test water flow, temperature, ignition, controls, pressure, and overall output to verify that the system performs properly.

05 Connection, Venting and Safety Checks

We inspect or complete the gas, water, venting, condensate, and electrical connections required for safe and reliable operation.

Ready to Install, Replace, or Service a Tankless Water Heater?

Whether you are planning an upgrade or dealing with an existing problem, Air Plus will evaluate your home, explain your options, and help you choose the right next step.

Call Air Plus at (513) 769-0871 or request service online.

Financing is available for qualifying tankless water heater installation and replacement projects.

Why Cincinnati Homeowners Choose Air Plus for Tankless Water Heater Installation & Service

From first-time installations to repairs and replacements, we provide the technical experience and straightforward guidance needed for dependable hot water.

Full-System Testing of Flow, Sensors, and Heating Performance

Tankless systems only work correctly when water flow rate, ignition timing, and temperature sensors are perfectly aligned. Instead of focusing on a single symptom like “no hot water,” we test the full system interaction to find why performance is breaking down.

Specialized Attention to Scale-Related Performance Loss

In areas with hard water like Cincinnati, mineral buildup is the most common reason tankless systems lose efficiency. We don’t just clean the unit, we evaluate how quickly scale is forming and address the root cause of reduced heating capacity.

Root Cause Identified Behind Every Error Code

Many companies simply reset tankless systems when error codes appear. We go deeper by identifying what triggered the shutdown, whether it’s ignition failure, airflow restriction, gas pressure fluctuation, or overheating protection, so the issue does not repeat.

System Performance Fully Restored

Our goal is not just to get the unit running again, but to restore consistent temperature stability, fast response time, and full efficiency. That means your system performs like it should, not just “barely working.”

Frequently Asked Questions About Tankless Water Heater Installation & Service in Cincinnati

Is a tankless water heater right for my home?

Tankless water heaters can be an excellent option for homeowners who want on-demand hot water, improved efficiency, and additional usable space. The right choice depends on your household’s hot water demand, available utilities, venting, plumbing, and budget. Air Plus can evaluate your home and recommend the appropriate system.

Can Air Plus replace a traditional water heater with a tankless system?

Yes. We can evaluate your existing water heater, plumbing, fuel supply, venting, electrical requirements, and available space to determine what is needed for a tankless conversion.

How much does tankless water heater installation cost?

Installation costs vary based on the equipment selected, the size of the home, fuel and venting requirements, plumbing modifications, and whether an existing tankless system is being replaced. We provide a clear estimate after evaluating the home and discussing your options.

Why is my tankless water heater not giving consistent hot water?

Inconsistent hot water is often caused by mineral scaling inside the heat exchanger, fluctuating water flow, or sensor calibration issues. Tankless systems are highly sensitive to buildup and flow changes, so even small issues can affect performance. We fully diagnose the system to determine whether cleaning, part replacement, or system adjustment is needed.

How often should a tankless water heater be serviced?

Most manufacturers recommend annual service, especially in areas with hard water. Without regular descaling and maintenance, mineral buildup reduces efficiency and can lead to overheating or system shutdowns. Routine service helps extend system life and maintain consistent performance.

What causes error codes on a tankless water heater?

Error codes typically indicate internal system problems such as ignition failure, restricted airflow, gas supply issues, or overheating protection triggers. Instead of resetting the system repeatedly, it is important to identify the root cause to prevent recurring shutdowns or damage.

Can tankless water heaters be repaired or do they need replacement?

Many tankless issues can be repaired, especially problems related to sensors, scaling, or ignition components. However, if the system is older, inefficient, or experiencing repeated failures, replacement may be more cost-effective. We always provide both options after full diagnosis.

Why is my tankless system taking longer to deliver hot water?

Delays are often caused by scale buildup, clogged inlet filters, or reduced flow efficiency. In some cases, plumbing layout or demand overload can also affect performance. We inspect the system and explain whether the issue is internal or related to your home’s plumbing setup.

Do you service all tankless water heater brands?

Yes. We service all major tankless brands and models, including gas and electric systems. Our technicians are trained to work on a wide range of units and are experienced with both older and high-efficiency modern systems.

Tankless Water Heater Installation & Service From a Plus Certified Plumbing Team

Is It Time for Tankless Water Heater Service or Replacement?

Hot water starts hot but quickly turns cold during use

Water temperature changes while you are using multiple fixtures

Long delay before hot water reaches faucets

System shuts off unexpectedly during operation

Error codes appear on the display panel

Noticeable drop in hot water pressure

Certified & Trusted Quality

Advanced Tankless Water Heater Solutions for Modern Homes

Certified and Insured

What Tankless Water Heater Service Includes with Air Plus

01

Home and Hot Water Needs Assessment

02

System Sizing and Installation Planning

03

Clear Options and Upfront Estimate

04

Professional Installation or Repair

07

Homeowner Walkthrough and Maintenance Guidance

06

Startup and Performance Testing

05

Connection, Venting and Safety Checks