Hydroflow is a trained NTI contractor serving San Francisco. North American-made, Energy Star certified high-efficiency boilers and combi-furnaces.
Hydroflow is a trained NTI contractor. We are experienced in installing and servicing NTI's full line of high-efficiency gas boilers and combi-furnaces across San Francisco. Our technicians understand the nuances of these systems. We appreciate NTI's commitment to quality and their contractor support model. Their boilers are a strong option for homeowners looking for a reliable, high-efficiency heating solution backed by excellent local contractor support — a rarity in the high-efficiency boiler market.
NTI is a family-operated business based in North America, known for manufacturing high-quality, innovative heating products. Unlike many competitors that offshore manufacturing, NTI maintains strict quality control through North American production. All NTI boilers are Energy Star certified, helping reduce your heating costs. Their Vmax series includes built-in primary/secondary piping — a feature that simplifies hydronic system design and reduces install complexity for radiant heating applications.
Full NTI boiler installation including system design, PVC venting, gas line sizing, and SFDBI permitting. The Vmax's built-in piping reduces install time and complexity for radiant systems.
NTI combi-furnaces provide both space heating and domestic hot water from a single compact unit — a great alternative for homes that need both without the space for separate appliances.
Annual NTI maintenance including combustion chamber cleaning, spark gap check, low water cutoff testing, and system fluid pH verification for stainless steel heat exchangers.
Trained NTI installation, maintenance, and repair across San Francisco and Marin County.
Trained NTI Contractor • SF & Marin County • Licensed & Insured
