	11oz	15oz
Height, in	3.86	4.72
Diameter, in	3.35	3.35
Diameter (with handle), in	4.72	5.12

This glossy black ceramic mug brings a touch of warmth and humor to early mornings and chilly workshop nights. The vintage-style round emblem—showing a little furnace and the words “Furnace Whisperer”—reads like a private nod between folks who know boilers, burners, and cozy heat. Thick walls keep heat in; the deep black glaze makes the worn, rust-toned artwork stand out. Hold it by the comfortable C-handle while you sip coffee, tea, or that late-night mug of cocoa as you tune, troubleshoot, or simply appreciate a job well done.

Product features
– Glossy 100% ceramic black finish with vibrant, fade-resistant print
– Available in two sizes: 11 oz and 15 oz
– Dishwasher- and microwave-safe for everyday convenience
– Comfortable C-shaped handle for secure grip
– Lead- and BPA-free; meets lead and cadmium safety requirements

Care instructions
– Clean in dishwasher (put the product on top rack), or wash by hand with warm water and dish soap

DESIGN & AI DISCLOSURE

Pressure Tested Co uses generative AI tools as part of our creative process, including concept development, artwork, design elements, and product imagery. Each product is creatively directed, selected, reviewed, and prepared for sale by Pressure Tested Co, with manual editing and refinement used where appropriate.

winter service call mug

Funny HVAC TECH Mug — “Furnace Whisperer” Retro Ceramic Coffee Mug (11oz/15oz)

Furnace Whisperer Coffee Mug — Vintage Stove & Flame Ceramic Mug 11oz or 15oz