Endless hot
water. On demand.

Expert gas tankless water heater installation and service across Northeast Florida. Cut energy costs by up to 30%, reclaim your closet, and never run out of hot water again.
Years of Experience
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Satisfaction
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Why Upgrade

The pinnacle of modern water heating.

Traditional storage tanks waste energy reheating gallons of water all day, every day. A gas tankless system fires only when you need it — delivering instant, endless hot water while drastically reducing consumption and freeing up valuable square footage.

Endless Supply

Shower, dishwasher, laundry — all at once.

30% Lower Bills

On-demand operation eliminates standby loss.

Space Saving

Wall-mounted, indoors or outdoors.

Long Lifespan

Properly maintained units last 15+ years.

Achieving Your Goals

Built for the way you actually live and work.

For Homeowners

Never run out of hot water halfway through a shower — even when the dishwasher and washing machine are running simultaneously. Daily comfort, redefined.

For Business Owners

Hospitality and restaurants depend on reliability. High-efficiency tankless systems lower utility bills, shrink your carbon footprint, and free valuable floor space.

Warning Signs

Six signs it's time to call us.

Even the most advanced systems need professional attention. Watch for these indicators that service or replacement is overdue.

Inconsistent Temperatures

Sudden bursts of cold water mid-shower.

30% Lower Bills

Reduced Flow or Pressure Mineral buildup restricting water flow.

Unusual Noises

Rumbling, popping, or whining from the unit.

Discolored Water

Tinted or metallic-smelling water signals corrosion.

Error Codes Displayed

Modern units flag failing components clearly.

Aging Equipment

Tanks 10+ years or tankless 15+ years old.

The AEI ProGas Advantage

Master-licensed. Decades-trusted.

We’ve been Northeast Florida’s gas experts since 1995. With a master qualifying LP License in the state of Florida, every install meets the highest safety and code standards.

Master FL LP License

Highest safety and building code standards on every project.

Tankless Specialists

Trained in venting, gas line sizing, and electrical for tankless

Annual Flush Service

Specialized descaling to keep your unit at peak efficiency.

Fast & Affordable

Dependable service from a name homeowners and businesses trust.

Gallery

Our Hard Work . Decades-trusted.

FAQ

Questions, answered by the experts.

Don’t see yours? Call us at (904) 721-5431.

How does a gas tankless water heater save money compared to a traditional tank?
Traditional water heaters experience “standby heat loss” — they constantly use energy keeping a large tank hot 24/7. Gas tankless heaters only ignite when you turn on a hot water tap. This on-demand operation can reduce water-heating energy costs by up to 30% or more annually.
A flush is a vital maintenance procedure where a professional circulates a descaling solution (often food-grade white vinegar) through the heat exchanger to remove calcium and magnesium buildup. Because water is flash-heated, scale accumulates quickly — especially with hard water. We recommend a professional flush at least once a year.
Absolutely — provided the unit is properly sized. Tankless heaters are rated by flow rate (GPM) and temperature rise. Our experts calculate your peak demand (e.g., two showers and laundry simultaneously) to recommend a unit with the exact capacity your household requires.
Most modern tankless units use direct-vent systems with concentric pipes (a pipe within a pipe) that bring in fresh combustion air from outside while exhausting combustion gases. Our licensed technicians ensure all venting is installed safely and complies with local codes.
Conversion requires installing a new, properly sized gas line and the necessary venting. While more involved than a simple swap, our experienced team handles the entire retrofit seamlessly so your home is safely equipped for the upgrade.

Ready for endless hot water and On demand.

Trust the licensed experts at AEI ProGas. Call today or contact us online to schedule your free estimate.