Full-Spectrum HVAC Services For You
O.S. Heating & Cooling provides complete HVAC service options for heating, cooling, airflow, thermostat controls, equipment repair, preventive maintenance, installation, and replacement across Bay Area properties.
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Find The Service That Matches Your System
Heating and cooling problems can begin in the equipment, controls, electrical components, ductwork, or airflow network. This service hub helps property owners identify the page that best matches their system type, current symptoms, maintenance needs, or installation plans.
Residential HVAC Services
Complete heating, cooling, airflow, thermostat, ductwork, maintenance, repair, and replacement support for residential systems, with service decisions based on equipment condition and household comfort requirements.
HVAC Repair
Diagnosis and repair for heating failures, cooling loss, weak airflow, electrical faults, thermostat problems, unusual noises, repeated cycling, and other conditions affecting complete HVAC system operation.
HVAC Installation
Installation planning covers equipment sizing, system selection, duct compatibility, thermostat setup, electrical requirements, physical access, airflow balancing, equipment connections, and startup testing after the new system is installed.
HVAC Maintenance
Routine maintenance includes system inspection, accessible cleaning, electrical checks, thermostat testing, filter review, airflow evaluation, drainage checks, and operating-cycle assessment for heating and cooling equipment.
Smart Thermostat Installation
Smart thermostat installation includes equipment compatibility checks, wiring assessment, control configuration, Wi-Fi setup, temperature scheduling, system-stage programming, and testing of heating, cooling, and fan responses.
Ductwork Installation & Repair
Ductwork services address leaking connections, crushed sections, damaged branches, inadequate returns, equipment transitions, replacement needs, and airflow distribution problems affecting heating and cooling delivery.
Air Conditioning Services
Air conditioning services include cooling diagnostics, equipment repair, seasonal maintenance, replacement assessment, new system installation, thermostat controls, drainage review, and airflow testing for residential and commercial properties.
AC Repair
AC repair addresses warm air, cooling failure, frozen coils, short cycling, weak airflow, electrical faults, thermostat problems, drainage concerns, and indoor or outdoor equipment issues.
AC Installation
AC installation includes cooling-load assessment, equipment sizing, duct and return-air review, electrical planning, thermostat setup, drainage connections, equipment placement, airflow configuration, and complete startup testing.
Heating Services
Heating services cover central systems, wall heaters, floor furnaces, gas and electric equipment, thermostat controls, airflow concerns, repair, maintenance, installation, and replacement planning.
Wall Heater Repair
Wall heater repair focuses on pilot-light problems, ignition failure, burner operation, thermostat faults, gas controls, safety components, venting conditions, unusual noises, and inconsistent room heating.
Wall Heater Installation
Wall heater installation includes room heat assessment, equipment selection, wall-opening review, gas or electrical connections, venting evaluation, thermostat wiring, mounting clearances, and startup inspection.
Furnace Repair
Furnace repair resolves ignition failure, no-heat conditions, burner faults, blower problems, weak heating airflow, electrical-control issues, thermostat faults, repeated cycling, and unexpected system shutdowns.
Floor Furnace Repair
Floor furnace repair addresses unstable pilot flames, delayed ignition, burner problems, thermostat faults, restricted grille airflow, repeated shutdowns, unusual noises, and complete loss of heat.
Floor Furnace Installation
Floor furnace installation requires floor-opening assessment, crawlspace access review, heating-output selection, gas and vent routing, thermostat connection, grille placement, structural clearances, and operating verification.
Furnace Services
Furnace services include gas and electric system diagnostics, seasonal maintenance, component repair, blower testing, ignition checks, thermostat evaluation, equipment installation, and replacement planning.