3186 SHERI DR, Simi Valley, CA 93063, USA
Verify this license yourself at the California Contractors State License Board (CSLB).
Simi Valley, California, sits in a part of Ventura County where homes face the full range of seasons. Warm afternoons drive up demand for air conditioning, while cool mornings and evenings bring furnaces and heat pumps into regular use. Keeping indoor comfort steady through both requires careful equipment care and prompt attention when something goes wrong.
Local market — Simi Valley
HVAC pros here
74
Have a website
12%
Cooling demand
856
Heating demand
1,702
Cooling/heating demand = annual degree days (NOAA). Electricity = state residential average (EIA).
Mark's Heating & Cooling serves homeowners and property owners with a broad set of residential HVAC services. AC Services and Heating Services cover inspections, repairs, and system replacement. Furnace Services include safety checks and component replacement, while Heat Pumps work covers evaluation, installation, and seasonal adjustments. Ductwork Services address leaks, weak airflow, and sealing, and Thermostat Services handle installation, replacement, and programming. Emergency HVAC calls and Maintenance & Tune-up visits help systems run efficiently between seasons.
Mark's Heating & Cooling is listed on the California state contractor registry under license #748445, and has been licensed since 1998, giving the business more than 28 years in the trade. Its work centers on Simi Valley, where local climate and housing conditions shape which systems and repairs make the most sense for each home.
Homeowners comparing local pros can start by confirming license status, requesting written estimates, and asking how a proposed repair or installation fits their specific system. Listings on HVAC Service Fast make it easier to review service areas and specialties before reaching out.
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