HH Online Ventures

A one-person studio building small, focused online products.

HH Online Ventures operates a growing family of independent brands. Each one solves a single real problem well, runs lean, and stays out of your way.

The register
EV Charger Index icon EV Charger Index
Data and calculators An independent home EV charger database with plain-language cost and compatibility calculators. evchargerindex.com ›
SaunaCosts icon SaunaCosts
Cost data and calculators An independent guide to what a home sauna really costs: prices, sizing math, and cost-to-run calculators built from manufacturer specifications. saunacosts.com ›

Get in touch

Questions about any of our products land in one inbox: support@hhonlineventures.com, or use the contact form. We answer within one business day.