Overview
Year-round HVAC maintenance guide to keep your heating and cooling system running efficiently, extend equipment life, and maintain healthy indoor air quality.
Simi Valley Checklist

Replace air filter every 1-3 months
DIYCheck monthly during heavy use. Hold up to light — if you can't see through it, replace it.
Schedule professional tune-up twice yearly
AC tune-up in spring, heating tune-up in fall. Includes safety checks, cleaning, and efficiency optimization.
Clean supply and return vents
DIYEasy~45 minVacuum vents and registers. Make sure furniture and drapes don't block airflow. Clean vents improve HVAC efficiency, air quality, and even room temperatures.
Read full guide →Check thermostat calibration
DIYEasy~30 minCompare thermostat reading to a room thermometer. If off by more than 2 degrees F, recalibrate or replace your thermostat for accurate temperature control and energy savings.
Read full guide →Clear area around outdoor condenser unit
DIYRemove debris, trim vegetation back 2 feet. Gently rinse condenser coils with a garden hose.
Inspect ductwork for leaks
DIYModerate~60 minCheck visible ducts in attic and basement for gaps, disconnections, or damaged insulation. Leaky ducts waste 20-30% of conditioned air before it reaches your rooms.
Read full guide →Test CO detector near furnace
DIYPress the test button. Replace batteries annually. Replace the entire unit after 7 years.
Check condensate drain line
DIYEasy~20 minPour a cup of bleach or vinegar down the AC condensate drain to prevent algae clogs. A blocked drain line is the number-one cause of AC shutdowns and water damage.
Read full guide →Local Professionals in Simi Valley


EM Heating and Air Conditioning
Long Beach, CA
(562) 446-5275Long Beach Air Conditioning Contractors
Long Beach, CA
(562) 800-4521International HVAC Long Beach
Long Beach, CA
(424) 901-0349
Local HVAC Expert - Long Beach
Long Beach, CA
(562) 239-4742Founding Member
Premium spot in Simi Valley
Ambassador
Lead the Simi Valley community
Founding Member
Premium spot in Simi Valley
Simi Valley Housing Market
Median Home Price
$849,900
Homes for Sale
42
Price per Sq Ft
$480
Local Pros
536
Home Service Professionals Near Simi Valley
Median Household Income
$117,703
Median Home Value
$753,500
Median Rent
$2,513/mo
Homeownership Rate
72.9%
Population
125,769
Median Year Built
1980
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Fair Market Rents — Simi Valley
Studio
$1,998/mo
1 Bedroom
$2,250/mo
2 Bedroom
$2,693/mo
3 Bedroom
$3,652/mo
4 Bedroom
$4,240/mo
Source: HUD FY2026 Fair Market Rents — Oxnard-Thousand Oaks-Ventura, CA MSA