J&J's Heating & Air ConditioningFireplaces and HVAC, Lic. #1086420 Español (805) 699-1112
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Glossary

What the words on your quote mean.

Quotes and inspection reports use a lot of shorthand. These are the terms we see most.

Air handler
The indoor unit of a ducted system. It holds the blower and coil and moves air through the ducts.
CSIA
Chimney Safety Institute of America. A CSIA Certified Chimney Sweep has passed its exam.
Condensate drain
The small pipe that carries water away from the indoor coil. A clog can leak or shut the system off.
Direct vent
A sealed fireplace that brings in combustion air and sends out exhaust through one vent, without using room air.
Flue
The passage that carries smoke or exhaust from a fireplace out of the house.
HERS / energy code verification
Independent testing, such as duct leakage tests, that California requires on most system replacements.
HEPA
A filter type that captures very small particles. Mostly used in portable units or dedicated in duct setups.
Heat pump
A system that heats and cools by moving heat, instead of burning fuel to make it.
Insert
A gas or wood burning unit that fits into an existing masonry fireplace.
Level 1, Level 2 inspection
Levels of chimney inspection. Level 1 is a visual and safety check. Level 2 adds a camera scan of the flue.
Line set
The pair of refrigerant lines that connect the outdoor unit to the indoor unit.
Linear fireplace
A wide, low gas fireplace with a long flame.
Liner
A metal or masonry lining inside a chimney flue that makes it safe for the appliance.
Load calculation
The calculation that sizes a system to the house, using its walls, windows, insulation and climate.
MERV
A rating of how well a filter captures particles. MERV 13 or higher is the level the EPA recommends for wildfire smoke.
Mini split
A ductless heat pump or air conditioner with a slim indoor unit on the wall or ceiling.
NATE
North American Technician Excellence, a certification for HVAC technicians.
NFPA 211
The fire safety standard for chimneys, fireplaces and vents. It recommends annual inspections.
Slot diffuser
A long, narrow ceiling or wall opening where air enters the room, instead of a grille.
Supply and return
Supply ducts bring conditioned air to rooms. Return ducts bring room air back to the air handler.
Thermocouple
A safety sensor in many gas fireplaces and heaters that confirms the pilot is lit.
Zoning
Dividing a house into areas with separate temperature control.
Contact

Call or text Jeremy.

Tell me about the room or the system and we'll set up a free estimate. For a repair, text me a photo of the unit first. It often saves a trip.

(805) 699-1112
Address
511 E Gutierrez St, Santa Barbara, CA 93103
Hours
Call or text to schedule. After-hours appointments when a technician is available.
Estimates
Free, with flat rate pricing
Serving
Santa Barbara County: Santa Barbara, Goleta, Hope Ranch, Montecito, Summerland, Carpinteria, Santa Ynez, Solvang and Buellton
License
CSLB Lic. #1086420 (C-20), active. Workers' comp insurance on file with the CSLB.
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