Serving Thousand Oaks, CA — 24/7 HVAC Repair & Installation
Call Now: (805) 303‑7065Since 2002, Grant Heating & Cooling has delivered professional, family‑owned HVAC solutions across Thousand Oaks and the Conejo Valley. Founded by Mark Grant, our team of certified technicians specializes in timely emergency repairs, energy‑efficient installations, and preventative maintenance plans tailored to local climate conditions. We pride ourselves on transparent pricing, polite service, and a satisfaction guarantee that keeps our clients comfortable year‑round.
Whether you manage a residential property, commercial complex, or multi‑family community, Grant HVAC provides licensed, insured, and experienced professionals who treat your space with respect. Our fully stocked service trucks contain the latest diagnostic tools, OEM replacement parts, and eco‑friendly refrigerants—ensuring first‑visit fixes over 85% of the time.
Local dispatch means a certified technician at your door within one hour of call—any time, any day.
No surprises. Get a detailed, all‑inclusive estimate in writing before work begins.
All technicians carry NATE, EPA, and state HVAC certifications plus full liability insurance.
If you’re not happy with our work, we’ll return promptly to make it right—no extra charge.
Overheated furnace? Broken A/C? Call our 24/7 hotline—our team arrives fully equipped to fix most issues on the spot.
Expert guidance on selecting high‑efficiency units and seamless installation by factory‑trained professionals.
Seasonal tune‑ups catch small problems early, boost efficiency by up to 20%, and extend equipment lifespan.
Design, repair, and sealing of duct systems to eliminate leaks, balance airflow, and improve indoor comfort.
Advanced filtration, UV lights, and humidification solutions to combat allergens, pathogens, and mold.
Call (805) 303‑7065 or request service online. Our friendly staff gathers details and confirms availability.
Receive a clear, all‑inclusive quote—no hidden fees. You approve before any work begins.
Certified technician arrives on time, performs a thorough assessment, and explains options.
We complete repairs or installations using quality parts, adhering to manufacturer specs and safety codes.
System performance verification, safety checks, and a digital service report—your satisfaction guaranteed.
"Grant HVAC saved us during a heatwave—technician arrived in 45 minutes, fixed our A/C, and even recommended a maintenance plan that saved us money."
"Excellent service! Clear pricing and professional team. Our new heat pump installation was flawless and our utility bills dropped."
Fresh filters improve airflow, reduce strain on your system, and enhance indoor air quality.
Keep plants and debris away from condenser units—maintain at least 2 feet of clearance for optimal airflow.
Spring and fall maintenance prevents breakdowns and keeps efficiency high during peak seasons.