Tea Warmer: Keep Your Tea at the Perfect Temperature
By Hario USA | Published: 2026-10-21
Category: How-to Guides
Learn how to use a candle tea warmer to keep your tea at the ideal drinking temperature without overheating or losing flavor.
Quick answer
Use a candle tea warmer with a tealight to gently maintain your tea's temperature between 140°F and 160°F, avoiding the bitterness that comes from reboiling.
Why a Candle Warmer Beats Reheating
Reheating tea in a microwave or on a stove often pushes the liquid past its ideal temperature, releasing tannins that make the brew bitter and astringent. A candle tea warmer provides a gentle, consistent low heat that keeps your tea in the sweet spot without altering its flavor profile. This method works best for heatproof glass teapots and servers, as the glass distributes heat evenly and lets you see the candle flame.
The key trade-off is that a candle warmer cannot bring cold tea back up to temperature quickly. It is designed to maintain warmth, not reheat. For best results, start with freshly brewed tea at your desired temperature and place it on the warmer immediately.
How to Use a Tea Warmer
- Brew your tea at the correct temperature: Start with freshly boiled water and brew your tea according to its type (green tea at 160°F–175°F, black tea at 200°F–212°F). Pour the brewed tea into a heatproof glass teapot or server. Do not brew directly on the warmer; the low heat is not enough to extract flavor properly.
- Place the warmer on a stable, heat-safe surface: Set the Hario Tea Warmer on a trivet, coaster, or ceramic tile away from drafts and flammable materials. Ensure the surface is level so the candle flame stays centered. Avoid wooden or plastic surfaces, as the stainless steel plate can become warm over time.
- Light a standard tealight candle and insert it: Use an unscented tealight to avoid flavor transfer. Place the lit tealight in the center of the warmer’s base, then carefully set your teapot or server on top. Never leave a burning candle unattended. Extinguish it before the tealight burns out completely to prevent glass from cooling too quickly.
- Monitor the tea temperature and refill as needed: After 10–15 minutes, check if the tea is still warm. The candle will maintain temperature for about 2–4 hours with a single tealight. If the tea cools below 140°F, replace the candle or pour a fresh cup from a separate pot. If the tea becomes too hot to sip comfortably, remove it from the warmer for a few minutes to let it cool slightly.
- Clean the warmer after each use: Allow the warmer to cool completely. Wipe the glass and stainless steel plate with a damp cloth. Do not submerge the warmer in water, as the metal components may rust. Use a soft brush to remove any wax drips from the glass base before they harden.
Product facts
- Tea Warmer: The Hario Tea Warmer features a bubble-like glass design that works with a tealight candle and is sized for Hario heatproof glass teapots and coffee servers. Its compact size and transparent construction let you see when the candle needs replacing, and the stainless steel plate protects surfaces from heat while distributing warmth evenly.

Tea Warmer
