WATER HEATER INSTALLATION ON OAHU
Expert water heater installation. All types, all brands, done right.
How much does water heater installation cost on Oahu?
Water heater installation on Oahu costs $1,200-$2,500 for tank units and $2,500-$5,000 for tankless. Price includes the unit, installation, old unit removal, and all connections. Hawaii Plumbing & Drain Cleaning Squad — call (808) 353-8445.
Need a new water heater installed on Oahu? We handle water heater installation for homes and businesses across the island — tank and tankless, gas and electric. Every installation is done to code by our licensed plumbers, with proper permits and inspections. I'm Jack Perry, and we've installed hundreds of water heaters since 2018. Call (808) 353-8445 for a free estimate.
Tank vs. Tankless Installation
Traditional tank water heaters are reliable and affordable, with installation typically running $1,200-$2,500. Tankless water heaters cost more upfront ($2,500-$5,000 installed) but save money long-term with lower energy bills and 20+ year lifespans. We'll help you choose the right option for your home and budget.
Code-Compliant Installation
Every water heater installation we do meets Hawaii building codes. This includes proper venting for gas units, earthquake strapping, expansion tanks where required, and appropriate electrical connections. We pull permits when required and ensure everything passes inspection.
What's Included
Our installation includes removal and disposal of your old unit, delivery and installation of the new water heater, all necessary connections and fittings, testing and adjustment, and a walkthrough showing you how to operate your new unit. No hidden fees.
Hawaii's ONLY On-Time Arrival Guarantee
We're so confident in our punctuality that we'll discount your bill if we're late.
Frequently Asked Questions
Ready to Get Started?
Call us now for fast, reliable service with upfront pricing and our On-Time Guarantee.