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Claim This BusinessGo Tankless of Colorado operates as a specialized HVAC contractor headquartered in Denver, serving the broader Front Range community from Boulder to Parker. With a solid 4.7-star rating drawn from 61 customer reviews, the company focuses exclusively on tankless water heating systems rather than attempting to be a full-service HVAC provider. Owner Dave Kerns and his team bring in-depth expertise in Navien combi boilers and tankless hydronic heating, addressing a niche that many generalist HVAC companies in the metro area choose not to prioritize.
The company distinguishes itself through specialized Navien equipment partnerships and integrated heating solutions that combine water heating with whole-home heating needs. Go Tankless handles permitting and inspection requirements specific to Denver and surrounding municipalities, including HOA documentation and architectural approval processes common in metro Denver's condo and townhome communities. Their menu includes water purification systems, positioning them as a resource for homeowners pursuing whole-house water quality alongside energy-efficient heating upgrades.
Customer reviews reveal Dave Kerns responding to emergency situations with notable speed. Mark Sorenson's review describes Dave arriving within hours to restore heat and hot water for elderly parents during a cold snap, charging only a $185 service fee after diagnosing an issue other contractors had misquoted at $2,500. Matt Zago documented a two-day combi boiler installation where Dave navigated HOA approval requirements, including architectural review and insurance documentation, transforming a potentially complex apartment retrofit into a streamlined project.
Of 61 reviews, Dave Kerns appears by name across multiple positive testimonials noting same-day response capability and transparent pricing. Three verified customer stories describe emergency service scenarios where Go Tankless arrived quickly and charged fairly, while one negative review cites significant cost concerns around emergency repairs. Positive reviewers specifically praise diagnostic skill and honesty; negative reviewers focus on total project expense.
Replacement of traditional tank water heaters with on-demand tankless units, including Navien combi boiler systems.
Radiant floor heating and hydronic heating system design, installation, and repair for whole-home comfort.
Combined water heating and whole-home heating solutions that merge furnace functionality with hot water production.
Ductless mini split heat pump systems for zoned heating and cooling in homes without ductwork.
Whole-house water filtration and purification equipment to address Denver's water quality concerns.
Same-day diagnostic and repair services for heating system failures during cold weather emergencies.