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26 Years
experience
Emergency
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Your Trusted HVAC Partner in Los Angeles
Tim Stivers Inc has been a trusted provider of heating, ventilation, and air conditioning solutions in the Los Angeles area since 2000. Founded by Tim Stivers, a professional with over two decades of industry experience, our company specializes in delivering comprehensive HVAC services tailored to residential and commercial needs. Our team of certified technicians is trained to service all major brands, ensuring reliable repairs, installations, and maintenance for systems including central heating, heat pumps, and zoned systems. We prioritize energy-efficient solutions that reduce utility costs while maintaining environmental responsibility. Our commitment to quality craftsmanship is underscored by a 100% satisfaction guarantee and full licensing and insurance coverage.

We offer same-day emergency repairs and personalized consultations to address unique property requirements, from insulation factors to climate considerations. Our expertise extends to indoor air quality improvements through air purification systems, duct sealing, and humidity control solutions. Client testimonials consistently highlight our punctuality, transparency, and exceptional customer service, including direct communication with property managers and tenants. We maintain partnerships with major HVAC brands like Rheem, Lennox, and Carrier while providing cost-effective solutions that balance affordability with technical excellence. Our 24/7 emergency availability ensures uninterrupted comfort for clients facing urgent system failures.
Services
AC Repair AC Installation Furnace Repair Heating Installation Air Purification Duct Sealing Thermostat Repair Heat Pump Services Zone Control Systems Emergency HVAC Service
Details
  • Year established: 2000
Highlights and features
  • We offer 20+ years of specialized HVAC expertise in Los Angeles
  • Our certified technicians service all major brands including Rheem and Carrier
  • 24/7 emergency repair services for urgent system failures
  • 100% satisfaction guarantee on all installations and repairs
  • Energy-efficient solutions that reduce utility costs by up to 30%
What people say
Tremendous job Prompt customer service Highly recommend Thorough updates Knowledgeable technicians
Services
AC Repair
Our certified technicians provide rapid diagnosis and repair of all major AC brands, including Rheem and Carrier. We specialize in resolving compressor issues, refrigerant leaks, and thermostat malfunctions with same-day service availability. Emergency repairs prioritize restoring comfort during extreme heat conditions.
AC Installation
We install high-efficiency cooling systems tailored to property specifications, considering insulation, room usage, and climate factors. Our solutions reduce energy consumption by up to 30% while ensuring quiet operation and seamless integration with existing infrastructure.
Furnace Repair
Expert repair services for all furnace types, including ductless mini-splits and packaged units. Our technicians address ignition failures, heat exchanger issues, and airflow problems, with 24/7 emergency response for winter heating emergencies.
Heating Installation
Custom heating system installations including zoned systems and heat pumps. We evaluate building characteristics to optimize system sizing and placement, ensuring even temperature distribution and energy efficiency across residential and commercial spaces.
Air Purification
Comprehensive air quality solutions featuring HEPA filtration, UV germicidal lights, and humidity control systems. Our duct sealing services improve system efficiency by up to 20% while reducing allergens and airborne contaminants in residential environments.
Questions
What HVAC services do you offer?
We provide AC repair/installation, furnace services, air purification systems, duct sealing, and 24/7 emergency HVAC support for residential and commercial properties.
Are your technicians certified?
All our technicians hold industry certifications for major brands including Carrier, Lennox, and Rheem, with specialized training in energy-efficient system optimization.
Do you offer emergency services?
Yes, we provide 24/7 emergency HVAC repair services with rapid response times for critical system failures in Los Angeles and surrounding areas.
How do you determine AC installation costs?
Costs depend on system efficiency ratings, property size, and installation complexity. We provide personalized quotes after evaluating insulation factors and climate requirements.
What areas do you serve?
We primarily serve Los Angeles, Pasadena, and San Marino, with emergency service availability extending to surrounding communities for residential and commercial clients.
Do you guarantee your work?
Yes, all services come with our 100% satisfaction guarantee, including warranties on parts and labor for both repair and installation services.