Tankless Water Heaters

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Efficient Tankless Water Heater Solutions for Your Home

Running out of hot water during your morning shower can be frustrating. A tankless water heater provides hot water on demand, saves space, and can reduce energy consumption. At Arrow Mechanical Heating & Cooling, we specialize in tankless water heater installation, repair, and maintenance to help keep your home comfortable and your hot water supply reliable.


Unlike traditional storage tanks that continuously heat stored water, tankless systems heat water as it flows through the unit. This reduces standby energy loss and provides a continuous supply of hot water, depending on the system's capacity and your household's demand.


Our technicians work with major tankless water heater brands and can help you choose a system that suits your household's hot water needs, available space, and budget. Contact us to discuss your options.

Signs It's Time to Consider a Tankless Water Heater

Upgrading to a tankless water heater may be worthwhile if your current system no longer meets your household's needs or you want to improve energy efficiency.


Consider a tankless system if:


  • Your household frequently runs out of hot water.
  • Your energy bills are rising due to an inefficient water heater.
  • You're remodeling and want to free up floor space.
  • You regularly experience lukewarm showers.
  • Your existing water heater is nearing the end of its expected lifespan.
  • You're building a new home and want an energy-efficient water heating option.
  • Your current tank has leaked or caused water damage.
  • Your household's peak hot water demand exceeds your current system's capacity.
  • You want to reduce your home's energy consumption.



Our team can assess your current setup and help determine whether a tankless water heater is the right choice for your home.

Why Choose Arrow Mechanical Heating & Cooling for Tankless Water Heater Services?

Choosing an experienced service provider is essential to getting reliable performance from your tankless water heater. Arrow Mechanical Heating & Cooling offers professional service tailored to your home's needs.


Here's what you can expect:


  • Financing options available to help make a new system more affordable.
  • After-hours emergency service available when urgent water heater issues arise.
  • Competitive pricing with clear explanations of recommended work.
  • Licensed technicians with training in tankless water heater technology.
  • Professional recommendations based on your household's hot water needs.
  • Careful installation designed to minimize disruption to your routine.
  • Maintenance services to help keep your system operating efficiently.
  • Transparent pricing before work begins.


Whether you need a new installation, repairs, or routine maintenance, our team is ready to help you maintain a dependable hot water supply.

Contact Arrow Mechanical Heating & Cooling

Ready to explore tankless water heater options? Arrow Mechanical Heating & Cooling provides installation, repair, and maintenance services to help meet your household's hot water needs.


Contact us today to discuss your requirements, get professional recommendations, or schedule service.

I called Arrow Mechanical late Friday afternoon as I needed to have the furnace disconnected and moved so the basement contractor could start working Saturday morning. (The contractor moved the date up as my basement was flooding.) Despite the short notice, an Arrow tech arrived at 4 pm and completed the job very professionally despite the rain and flooded basement. I would definitely recommend Arrow Mechanical for any of your HVAC needs.

- David Bryan, Google Review

Learn More About Arrow Mechanical Heating & Cooling

Serving the St. Louis, MO area, Arrow Mechanical Heating & Cooling specializes in home or business heating and cooling, indoor air quality and sheet metal. Emergency service available. Competitively priced. Financing available. Call today.

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