
Modern tankless water heaters feature improved heat exchangers, enhanced electronic controls, Wi-Fi connectivity, and superior efficiency ratings up to 0.97 UEF. These technological advances deliver better performance and greater energy savings than older models.
Newer high-efficiency tankless water heaters achieve 0.95-0.97 UEF ratings compared to older models at 0.82-0.90 UEF. This efficiency improvement reduces energy consumption by an additional 8-15% and lowers utility bills by $50-$150 annually beyond your current tankless system.
Modern tankless water heaters include advanced diagnostics, self-cleaning cycles, freeze protection, and enhanced durability that extends equipment lifespan and reduces maintenance requirements.
New tankless water heaters include 10-15 year heat exchanger warranties and 5-year parts coverage, demonstrating manufacturer confidence in product durability and protecting your replacement investment.
Norm MacLeodTrustindex verifies that the original source of the review is Google. within 24 hrs they came and fixed a small detail that was causing us concern. Patricia TetzlaffTrustindex verifies that the original source of the review is Google. Brian and Jaxon did a great job. They were efficient and quick. Two ultimate professionals! Liverella R.Trustindex verifies that the original source of the review is Google. Technician was fast and repair done before noon on the same day. Tyler WoelingaTrustindex verifies that the original source of the review is Google. I have had 2 calls in a week to Sherwood mechanical and not due to any negligence or mistakes on their part , I am beyond impressed with the service and technicians!! Great communication and response to my emergency and needs!! Dispatch is great and very open to any potential charges but ultimately the field staff is amazing !! Thanks again for all the help and support, it is greatly appreciated Tyler Paul SchofieldTrustindex verifies that the original source of the review is Google. Fast, efficient and friendly. Arrived on schedule with zero issues to supply and install my garage heater. Highly recommend. Leonard BowlbyTrustindex verifies that the original source of the review is Google. Repaired leak in hot water heating system Gordon ConrodTrustindex verifies that the original source of the review is Google. The technician arrived as scheduled. Brian was very pleasant and quickly checked out the gas fired garage heater. Fortunately the heater only needed a reset but he explained what had happened. Would certainly contact Sherwood Mechanical again. nisha dhaddaTrustindex verifies that the original source of the review is Google. Brian was great at diagnosing the problem and fixing it on the spot. I am very happy with the service and response time. Heat is up and running.Job well done!🙂


Certified plumbers assess your tankless heater’s age, efficiency, repairs, and performance, while evaluating hot water needs, gas, electrical, and venting systems to recommend the right replacement.
We identify performance improvements available with modern tankless technology, including enhanced efficiency, advanced controls, Wi-Fi connectivity, and improved reliability features.
Get detailed quotes covering tankless systems, old unit removal, installation, permits, materials, gas, electrical, and venting upgrades—no hidden fees. Clear answers when researching tankless replacement costs.
Tankless water heater installed to code, replacing old unit, upgrading gas, electrical, venting, water lines, and configuring controls advanced performance.
We test gas, water flow, temperature, venting, electrical systems, and safety controls to ensure optimal tankless water heater performance before completion.
We handle permit applications, coordinate gas fitting and electrical inspections, and ensure your tankless water heater replacement meets all safety codes throughout Sherwood Park and surrounding areas.
We register your tankless water heater with the manufacturer, activating comprehensive warranty coverage for complete peace of mind.

Ultra-high efficiency up to 0.96 UEF with advanced condensing technology. Reliable on-demand performance with compact indoor design for continuous hot water delivery throughout your home.

Exceptional efficiency up to 0.96 UEF with integrated recirculation capability. Advanced temperature control delivers instant hot water at every fixture for ultimate convenience and performance.

Superior efficiency up to 0.95 UEF with commercial-grade construction. Powerful wall-mounted design delivers robust on-demand performance for high hot water demands without sacrificing space.

Proven efficiency up to 0.95 UEF with weather-resistant construction. Engineered for exterior installation, freeing indoor space while delivering endless hot water across multiple simultaneous applications.

Tankless water heaters nearing 15–18 years may lose efficiency and need costly repairs; timely replacement prevents failures and ensures reliable hot water.

If repairs exceed half the replacement cost and frequent service is needed, your tankless water heater likely needs replacement.

Rising energy bills despite maintenance indicate poor heat exchanger efficiency; replacing tankless heaters with modern high-efficiency models restores savings.


Loss of simultaneous hot water suggests heat exchanger deterioration; replacing the tankless unit restores flow capacity and continuous hot water supply.

Older tankless models lack Wi-Fi, diagnostics, and efficiency; replacing them improves performance and provides access to modern features and technology.

Heavy scale buildup or heat exchanger corrosion from hard water often makes replacement cheaper; new tankless systems offer improved resistance.


(included with replacement)

Low monthly payments on tankless replacement

Value for your old tankless water heater
Free assessment of modern features
Don’t wait for your tankless water heater to fail when you need endless hot water most. Assess your on-demand water heater now and discover the benefits of modern tankless technology.




