HERS vs ECC: What Changed for California HVAC Permits in 2026
October 22

HERS vs ECC: What Changed for California HVAC Permits in 2026

Since January 1, 2026, the field verification and testing that used to be called HERS testing runs through California’s Energy Code Compliance (ECC) Program. Here is what changed for homeowners, buyers and sellers. Read More

R-410A to R-454B and R-32: What California Homeowners Need to Know
October 22

R-410A to R-454B and R-32: What California Homeowners Need to Know

New home AC and heat pump systems now use R-454B or R-32 instead of R-410A. Here is what changed, what it means for an existing R-410A system, and what to check before you approve a replacement in California. Read More

Two air conditioner condensers installed on a narrow rooftop deck beside a home's exterior wall
October 11

Why Contractors Skip HVAC Permits (and Why It Matters to You)

Most homeowners who replace an air conditioner or furnace never find out a permit was required, because the contractor never mentioned it. That silence is common, and it is rarely an accident. Read More

Energy assessor's hands holding a tablet with an efficiency rating above attic insulation and ductwork in a Los Angeles home
September 25

Why We Added Home Energy Score Assessments

By Matt Alba, NATE-certified HVAC inspector and certified Home Energy Score Assessor · CA Contractors License #1075723 · HVAC Inspections Los Angeles · Published September… View Article Read More

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August 1

How Much Does it Cost to Replace a Furnace Flame Sensor?

By Matt Alba, NATE-Certified HVAC Systems Inspector — HVAC Inspections Los Angeles · CA License #1075723 · Last updated: August 4, 2026 Replacing a furnace… View Article Read More

Heat Pump vs. Furnace: Which is Better for Los Angeles Homes in 2026?
July 19

Heat Pump vs. Gas Furnace in Los Angeles: Will You Really Save Money?

Choosing between a heat pump vs furnace in Los Angeles is no longer just a matter of personal preference. It’s a strategic response to California’s… Read More

HVAC Permit Requirements in Los Angeles County: The 2026 Homeowner’s Guide
June 7

HVAC Permit Requirements in Los Angeles County: The 2026 Homeowner’s Guide

An unpermitted HVAC system is more than just a minor code oversight; it’s a significant financial liability that can stall a home sale or even void… Read More

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August 19

The Impact of Brownouts On Your AC System

Brownouts are a common yet often misunderstood power issue that can affect your home’s electrical system and appliances, especially your air conditioner. Unlike blackouts, where… View Article Read More

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March 13

How Often Should HVAC Get Checked?

Many homeowners avoid hiring a specialist for maintenance unless there is a significant issue with their heating or cooling system. Routine HVAC maintenance is important… View Article Read More