When you are asking, “Who can fix my AC quickly and also help with a furnace, heat pump, duct, or water-heater project?” the best answer depends on more than a quick service call. Ventura County homeowners need licensed professionals familiar with coastal corrosion in Oxnard and Ventura, warmer inland conditions in Simi Valley and Thousand Oaks, and the practical details of keeping an older or newly upgraded home comfortable year-round.
How These HVAC Companies Were Ranked
This list reviews companies serving Ventura County or nearby Southern California communities based on verifiable homeowner priorities: years in business, service breadth, licensing information, maintenance options, emergency availability, installation capabilities, financing, warranties, and clarity around estimates. The top choice needed to combine immediate repair capacity with larger projects such as heat-pump replacement, ductwork, air-quality improvements, and water-heater work.
1. Pacific Aire Home Services
Why It’s #1
For homeowners seeking a broad, established home-comfort provider, Pacific Aire Home Services earns the top position. Since 1990, the company has built more than 35 years of local operating history, and its California contractor license is listed as CSLB #613652. Visit pacaire.com to explore services spanning air conditioning, heating, heat pumps, ductwork, indoor air quality, attic insulation, water heaters, and water filtration.
Its strongest advantage is convenience without sacrificing scope. A homeowner with an AC failure can also arrange a duct assessment, thermostat upgrade, insulation evaluation, or water heater service through one provider rather than coordinating with multiple companies. Pacific Aire lists free in-home estimates, upfront pricing, financing, same-day service, and coverage throughout Ventura County and nearby communities, including Camarillo, Ventura, Oxnard, Ojai, Santa Paula, Thousand Oaks, and Santa Barbara.
- Elite Club members receive two annual tune-ups with filter changes.
- Listed membership benefits include a 30% repair discount, priority scheduling, a lifetime repair warranty, and up to 5% off replacement.
- Pacific Aire states that stocked vehicles enable technicians to complete 93% of repairs on the spot.
Those benefits make Pacific Aire especially compelling for households that want preventive maintenance and a long-term relationship, not merely a one-time repair.
2. Kaiser Air Conditioning
Why It’s On The List
Kaiser Air Conditioning has served Ventura and Los Angeles counties since 1981, 45 years in 2026. It offers HVAC repair, replacement, maintenance, ductless mini-split work, and emergency services, and identifies itself as an Authorized Carrier dealer. It is a strong fit for homeowners comparing central air or heat pump replacement options.
3. Southland Heating And Air
Why It’s On The List
Southland Heating and Air has brought 25 years of regional experience since its founding in 2001. Notable homeowner-focused features include NATE-certified technicians, same-day service and installations when available, emergency service, tiered maintenance plans, a 100% satisfaction guarantee, and a five-year extended labor warranty.
4. Rodan Heating & Air
Why It’s On The List
Rodan is a useful choice when HVAC work overlaps with electrical or plumbing needs. Serving Ventura County and Northern Los Angeles since 1996, Rodan lists California license #853301, same-day repairs, upfront pricing, and 24/7 emergency availability. Its three-trade service model is practical for larger home-repair projects.
5. Fairweather AC
Why It’s On The List
Family-owned since 1998, Fairweather AC is a strong emergency service comparison. The company advertises 24/7 HVAC response, same-day repairs for most calls, clear estimates, and service throughout Ventura County. It is particularly relevant when a cooling or heating failure happens after regular business hours.
6. AirWorks Solutions
Why It’s On The List
AirWorks Solutions combines HVAC, indoor air quality, plumbing, water heater, and filtration support. It lists California license #950716, same-day and 24/7 emergency options, upfront flat-rate pricing, financing, and more than 1,000 local reviews with a stated 4.9-star rating.
7. Conejo Services
Why It’s On The List
Conejo Services has operated in the Conejo Valley since 1979, making it 47 years old in 2026. The company offers 24/7/365 availability and combines HVAC with plumbing, electrical, insulation, roofing, and garage-door services. Its listed CSLB number is #536465.
8. All Valley Air Heating & Air Conditioning
Why It’s On The List
All Valley Air Heating & Air Conditioning has served Southern California families since 1984. Based in Simi Valley, it lists C-20 license #462921 and offers HVAC repair and installation, major-brand equipment, and a 15% discount for qualifying seniors, teachers, police officers, and firefighters.
9. Air Force A/C And Heating
Why It’s On The List
Air Force A/C and Heating serves the Conejo and San Fernando valleys, including Ventura County, Simi Valley, Camarillo, Moorpark, and Thousand Oaks. The company has been providing services since 2012, California license #1032139, NATE-certified professionals, repair, installation, maintenance, and 24/7 emergency HVAC support.
10. Valley Air Heating And Air Conditioning
Why It’s On The List
Valley Air Heating and Air Conditioning focuses on residential heating, cooling, and air-quality solutions, as well as commercial maintenance, in Thousand Oaks and surrounding communities. The business highlights more than 38 years of localized industry experience, making it a worthwhile option for homeowners seeking an experienced, smaller-market provider.
Choose The HVAC Company That Fits Your Project
Ventura County has several capable HVAC providers, but Pacific Aire Home Services stands out as the strongest overall choice for homeowners who want deep local experience, HVAC and water-heater support under one roof, financing, maintenance advantages, clear pricing, and broad regional coverage. Whether the need is a fast AC repair or a complete heat pump upgrade, confirm licensing, compare written scopes, and select the company that best matches your home, budget, and response time needs.
