Frequently Asked Questions
What does ECFLOW ENERGY sell?
Our two ranges are portable power stations and solar-generator bundles, and heating and hot-water equipment including tankless water heaters and combi-boilers.
Explore portable power · Explore heating & hot water
How do I compare portable power stations?
Compare capacity in watt-hours, continuous and surge output, ports, supported charging inputs and included accessories. Check the requirements of the devices you plan to power.
What should I check before ordering a boiler or water heater?
Confirm the exact model, sizing, fuel type, venting, connections and installation requirements with a qualified installer. Check the product page for included components.
Does free shipping apply to both ranges?
Standard shipping within the United States is free. Handling takes an estimated 1–2 business days and transit takes an estimated 5–7 business days, for an estimated total of 6–9 business days. The cutoff is 2:00 PM Pacific Time (Los Angeles), Monday through Friday, excluding public holidays. Orders after the cutoff begin processing on the next business day. Products are stored and shipped directly by our suppliers. See our Shipping & Delivery page for details.
Which payment methods can I use?
Use the methods shown at checkout. See Payment Methods for more information.
Can I return an item?
Request a return within 30 days of delivery. Change-of-mind items must be unused and uninstalled. See Returns & Refunds for the conditions, costs and refund timing.
What if an order arrives damaged or incomplete?
Contact us with your order number, product model and photos of the item and packaging where appropriate. Keep the packaging while the issue is reviewed.
How do I ask a question?
Use our contact form, email Support@ecflow.shop or call +1 (307) 787-7044. Include the model or order number.
Do you hold stock in your own warehouse?
No. ECFLOW ENERGY uses supplier-direct fulfilment: our suppliers store the products and ship directly to customers. Contact ECFLOW ENERGY for product questions, order support and returns. See About our business.
Customer-support hours
Monday–Friday: 9:00 AM–5:00 PM Eastern Time.
Saturday–Sunday: Closed.
We aim to reply to enquiries within 1–2 business days.
Does an online Navien purchase include a manufacturer warranty?
Navien manufacturer warranty: Navien states that consumer purchases through internet or other e-commerce channels void its warranty. ECFLOW ENERGY does not include a Navien manufacturer warranty with these online consumer purchases. Read Navien’s published resale policy. This does not restrict remedies under our Returns & Refunds policy or rights that cannot lawfully be excluded.