Tired of running out of hot water? Ready to cut your energy bills? Mr. Hot Water Co. is Denver's trusted expert for tankless water heater installation, offering professional, same-day service for both electric and gas systems throughout the greater Denver metro area.

Electric tankless water heaters are a popular choice for Denver homeowners looking for a compact, energy-efficient solution without the need for gas lines. Mr. Hot Water Co. specializes in electric tankless installation throughout Denver, CO — handling everything from electrical load assessments to final testing.
Why choose electric tankless in Denver?
No gas line required ➜ ideal for condos, apartments & older homes
Lower upfront installation cost compared to gas systems
Compact, wall-mounted design saves space
Highly energy-efficient ➜ only heats water when needed
Zero risk of gas leaks or combustion issues
Qualifies for energy efficiency rebates in Colorado
Popular electric tankless brands we install: Stiebel Eltron | Rheem | EcoSmart | Bosch | Titan | Eemax
One of the first questions we get is: "How much does tankless water heater installation cost in Denver?" Here's a straightforward breakdown:
| System Type | Total Estimated Cost |
|---|---|
| Electric Tankless (Whole Home) | $800 – $1,900 |
| Electric Tankless (Point of Use) | $250 – $700 |
| Gas Tankless (Standard) | $1,200 – $2,500 |
| Gas Tankless (Premium / High-Flow) | $1,800 – $4,000 |
| Panel Upgrade (if needed) | Additional |
We make the switch to tankless simple and stress-free:
Free In-Home Assessment ➜ We evaluate your hot water needs, existing setup, and best system options
Upfront Quote ➜ You receive a clear, itemized estimate with zero hidden fees
Permit Pulling ➜ We handle all required Denver building permits
Professional Installation ➜ Our licensed technicians complete the full
installation, including venting, gas or electrical connections, and water line hookups
Testing & Walkthrough ➜ We test the system thoroughly and walk you through operation and maintenance
Cleanup ➜ We remove your old unit and leave your space cleaner than we found it

Most installations are completed in 3–6 hours. If a panel upgrade or gas line extension is needed, it may take a full day.
Yes. Denver requires a permit for water heater installations. Mr. Hot Water Co. pulls all required permits on your behalf.
With proper maintenance, tankless units typically last 20–25 years — more than double the lifespan of a traditional tank.
Absolutely. Electric tankless water heaters are a great option for homes without gas service. We install both electric and gas systems throughout Denver.
Contact us at (720) 253-4426 to discuss available payment and financing options.
Yes. Xcel Energy and other Colorado programs offer rebates for qualifying high-efficiency tankless water heaters. We'll help you identify eligible models.
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