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HomeServicesADU SpecialistsMold & CIRS SupportPlansService AreasBlogGalleryColoringFAQAboutContact

Learning Center

HVAC & indoor air quality, explained clearly.

Reference guides on the terms, systems, and air-quality concepts that come up most — written for homeowners, not technicians. Working through a mold or CIRS situation? Start with our full Mold & CIRS Support guide.

HVAC Glossary

SEER, BTU, MERV, and other terms explained in plain English.

HEPA vs. MERV Filters

What the ratings actually mean, and which one your system can handle.

Indoor Air Quality Basics

The core levers that actually control the air inside your home.

Types of Household Mold

The mold species most commonly found in Orange County homes.

Mold Testing Methods (ERMI vs. HERTSMI-2)

How qPCR-based mold testing works and what the panels measure.

What Is CIRS?

A plain-English primer on Chronic Inflammatory Response Syndrome.

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