Current Promotions Available | View Now

Serving Kansas City Metro & Central Missouri

Dragonfly Heating, Cooling & Plumbing LLC

Tankless Water Heater Services

Tankless Water Heater Installation, Repair & Maintenance in Blue Springs, MO & Overland Park, KS

On-demand hot water installed, descaled and repaired across the Kansas City metro and Central Missouri. Navien installations, all major brands serviced.

(816) 377-1400 - MO (913) 980-0920 - KS
Schedule Service

Mon-Thu 7:30AM-7PM | Fri 7:30AM-6PM | Sat 9AM-3PM | Licensed & Insured

On-Demand Hot Water, Properly Maintained

A tankless water heater fires only when a tap opens, so there is no stored tank losing heat between showers and no finite supply to run through. What it does need is annual attention, because hard water in the Kansas City metro leaves scale on the heat exchanger. Dragonfly Heating, Cooling & Plumbing installs, descales and repairs tankless units across the metro and into Central Missouri.

Navien

Tankless Installation & Replacement

New installs and tank-to-tankless conversions, assessed for gas supply, venting and flow demand before we commit to a model.

  • Navien condensing and non-condensing units
  • Gas line and venting work where needed
  • Financing options available
Tankless Installation

Tankless Repair

Error codes, temperature that swings mid-shower, weak flow or a unit that will not fire. Most repairs finish in a single two to four hour visit.

  • Navien, Rinnai, Rheem, Noritz and Takagi
  • Gas and electric models
  • Common replacement parts stocked
Tankless Repair

Tankless Maintenance

The annual descaling service that keeps a tankless unit performing the way it did when it was new. This is the visit that prevents most tankless repair calls.

  • Heat exchanger flush and descale
  • Inlet filter cleaning and burner check
  • Annual service plans available
Tankless Maintenance

Contact Us About Tankless Water Heaters

By submitting this form, you consent to receive messages from Dragonfly Heating, Cooling & Plumbing at the number provided regarding your service request, appointment updates, and promotions. Message frequency varies. Message and data rates may apply.

To unsubscribe from all messaging, reply by texting STOP at any time or HELP for assistance. Consent is not a condition of purchase.
View our Privacy Policy and Terms & Conditions.

Which Tankless Service Do You Need?

Tankless problems announce themselves differently than tank problems. Here is the short version:

  • An error code on the display.
    That is a repair call. The code narrows the fault before we arrive, so have it written down when you phone.
  • Temperature swings or weak flow.
    Usually scale on the heat exchanger or a clogged inlet filter. An annual descaling service normally resolves it and prevents the next one.
  • You are replacing an aging tank.
    Worth pricing a tankless conversion alongside a like-for-like tank replacement. We quote both so the comparison is real.
  • Hard water is chewing through equipment.
    A water softener protects a tankless unit as well as the rest of the plumbing, and it stretches the interval between descaling visits.

Why Annual Descaling Matters

Almost every tankless repair we get called out to traces back to skipped maintenance:

  • Scale is the main enemy
    Minerals in Kansas City metro water deposit on the heat exchanger every time the unit fires. Left alone, the deposit insulates the exchanger and forces the burner to work harder for the same output.
  • Symptoms creep in slowly
    Flow drops a little, temperature gets less stable, and eventually an error code stops the unit entirely. By then the repair is bigger than the maintenance would have been.
  • Warranty protection
    Manufacturers expect documented annual service. Keeping the maintenance record is part of keeping the warranty usable if a major component fails.
  • Hard-water homes need it sooner
    Where the supply is particularly hard, we shorten the interval rather than waiting the full year. We tell you what we find at the first visit.

See What Our Customers
Are Saying

Tankless Water Heater FAQs

Annually, at minimum. Hard water across the Kansas City metro leaves mineral scale on the heat exchanger, and homes on particularly hard supply may need descaling more often than once a year. Regular service keeps the unit efficient and heads off the error codes that otherwise show up mid-shower.

Inconsistent water temperature, a noticeable drop in flow rate, error codes on the display, unusual noises during operation, or a complete failure to heat. Any of those is worth a diagnostic visit before the fault takes the heat exchanger with it.

We install Navien, including condensing and non-condensing models. For repair and maintenance our technicians work on all the major tankless brands, including Navien, Rinnai, Rheem, Noritz and Takagi, on both gas and electric units.

Most repairs finish within two to four hours. Cleaning or filter replacement takes less; a failed component deeper in the unit takes longer. We give you an upfront estimate before the work starts either way.

Tankless units heat water on demand rather than keeping a full tank hot at all times, so you do not run out mid-shower and you are not paying to maintain standby heat. They also mount on a wall and free up the floor space a tank occupies. The tradeoff is a more involved installation, especially on gas supply and venting, which is why we assess the house before quoting.

Book Tankless Service

New install, annual descaling, or an error code you want gone. Tell us the model and what it is doing and we will schedule a licensed plumber.

Same-Day Service Licensed & Insured 5-Star Rated
MO: (816) 377-1400 KS: (913) 980-0920 Schedule Online

Dragonfly Heating, Cooling & Plumbing
Products and Services

Serving Kansas City Metro and Central Missouri

Heating Services

Expert furnace, heat pump, and mini-split heating solutions for reliable winter comfort and energy efficiency

Furnace Repair
Furnace Maintenance
Furnace Installation
Mini-Split Repair
Mini-Split Service
Package Units

Emergency heating repair available

Schedule Service

Cooling Services

Complete air conditioning and cooling system solutions for optimal summer comfort and peak performance

AC Repair
AC Maintenance
AC Installation
Mini-Split Install
Mini-Split Repair
Commercial AC

Same-day service available

Get Quote

Indoor Air Quality

Advanced air purification, filtration, and humidity control systems for cleaner, healthier indoor environments

Air Purifiers
Humidifiers
Duct Cleaning
Dryer Vents
Air Quality Testing

Improve comfort & health

Learn More

Water Heating

Professional tank and tankless water heater installation, repair, and maintenance for endless hot water solutions

Tank Install
Tankless Install
Water Heater Repair
Tankless Repair
Energy-Efficient Upgrades

Endless hot water solutions

Get Started

Plumbing Services

Comprehensive plumbing solutions including pipe repair, fixture installation, emergency services, and gas line work

Plumbing Maintenance & Repair
Kitchen Plumbing
Pipe Repair
Sewer Lines
Gas Lines
Plumbing Installation

Expert plumbing service

Schedule Now

Water Quality

Advanced water treatment, softening, and filtration systems to protect your home and improve water quality

Water Softeners
Water Filtration
Water Testing
Iron Removal
Treatment Repair

Protect your home & health

Test Water

Specialized Services

Advanced plumbing solutions including sump pumps, slab leak detection, water line services, and new construction

Sump Pumps
Slab Leaks
Water Lines
New Install
Sewer & Water Lines

Advanced detection & repair

Get Help

Commercial Services

Professional HVAC and plumbing services for businesses, including maintenance plans and priority support

Commercial HVAC
Maintenance Plans
Emergency Service
System Design
Project Management

Priority business support

Request Quote

Flexible Financing Options

We offer flexible payment plans starting as low as $111 per month with credit approval to make our HVAC, plumbing, and water heater services accessible to everyone.

Our financing partners include Service Finance Company and GoodLeap for sustainable home improvements.

Learn More Apply Today

Blue Springs Reviews

Overland Park Reviews

Read Reviews

Proudly Serving Kansas City Metro and Central Missouri
with Personalized Service for Over a Decade

Contact Us
Red Barn Media Group

©Red Barn Media Group 2026