A relaxed, vintage-inspired tee for anyone who knows the strange comfort of an old HVAC mystery. The front graphic reads “Hot Rooms. Cold Rooms. Mystery Airflow.” with a playful nod to everyday climate-control chaos—“Just Another Day in HVAC.” It feels right on service calls, weekend repair projects, shop breaks, and casual days spent talking ductwork, thermostats, and airflow. Made from heavyweight garment-dyed cotton, it has a broken-in texture and substantial feel that suits the hands-on HVAC lifestyle. The tubular construction keeps the silhouette clean, while durable double-needle stitching helps it stand up to repeat wear. Available in sizes S–4XL and a wide range of colors, it’s an easygoing uniform for technicians, installers, maintenance crews, and anyone who speaks fluent HVAC.

Product features
– 100% pre-shrunk ring-spun US cotton for comfortable, lasting wear
– Heavyweight 6.1 oz fabric with a relaxed fit
– Garment-dyed for a soft color and broken-in texture
– Double-needle stitching and seamless tubular construction for added durability
– Available in sizes S–4XL and 62 colors

Care instructions
– Machine wash: cold (max 30C or 90F)
– Do not bleach
– Tumble dry: low heat
– Iron, steam or dry: low heat
– Do not dryclean

	S	M	L	XL	2XL	3XL	4XL
Width, in	18.25	20.25	22.00	24.00	26.00	27.75	29.75
Length, in	26.62	28.00	29.37	30.75	31.62	32.50	33.50
Sleeve length from center back, in	16.25	17.75	19.00	20.50	21.75	23.25	24.63
Size tolerance, in	1.50	1.50	1.50	1.50	1.50	1.50	1.50

mystery air flow shirt

“Hot Rooms. Cold Rooms. Mystery Air Flow. Just Another Day In HVAC.” Comical HVAC Technician T-Shirt