Analyzing 9,840,2499.8M ReviewsFor 27,70927.7K Experts
We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 124,032 Google reviews of 131 top-rated HVAC contractors nationwide; 10 of them in Oxnard, CA. Updated November 11, 2026.
Pick the job — we re-rank companies by how customers rated that exact job.
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of HVAC contractors).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
|---|---|---|---|---|---|
| 1 |  Air System Solutions IncOxnard, CA | A 99How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%99+58.1Reliability 26%97+25.3Value 15%100+15.2Craft & service penalty99−0.1Experts Score= 99Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 5.00 | $2.0k |
| 2 |  Quality Comfort Heating And Air ConditioningOxnard, CA | A 98How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%98+57.5Reliability 26%96+25Value 15%100+15.2Craft & service penalty98−0.2Experts Score= 98Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 5.00 | — |
| 3 |  Air Care Heating and AirOxnard, CA | A 97How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%98+57.5Reliability 26%96+25Value 15%98+14.9Craft & service penalty98−0.2Experts Score= 97Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 5.00 | — |
| 4 |  West Coast Air ConditioningOxnard, CA | A 88How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%93+50.7Reliability 24%89+21.6Value 14%100+14.1Replies to reviews 7%29+2.1Craft & service penalty94−0.6Experts Score= 88Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAD | 4.90 | $264 |
| 5 |  TriCounty ServicesOxnard, CA | A 85How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%88+48Reliability 24%83+20.1Value 14%89+12.6Replies to reviews 7%86+6.1Craft & service penalty85−1.5Experts Score= 85Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.84 | $351 |
| 6 |  Kaiser Air Conditioning - HVAC installation and repair in Ventura and LA countyOxnard, CA | A 83How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%85+46.4Reliability 24%86+20.8Value 14%66+9.3Replies to reviews 7%94+6.6Craft & service penalty99−0.1Experts Score= 83Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAABAA | 4.85 | $410 |
| 7 |  Oxnard Value Heating ServicesOxnard, CA | A 83How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%87+55.3Reliability 28%86+24.3Replies to reviews 8%42+3.5Experts Score= 83Not enough data for value; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA––AC | 4.81 | — |
| 8 |  Sunset Air Conditioning & HeatingOxnard, CA | B 78How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%83+52.7Reliability 28%77+21.7Replies to reviews 8%42+3.5Experts Score= 78Not enough data for value; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AB––AC | 4.83 | — |
| 9 |  Anacapa Heating & AirOxnard, CA | B 76How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%76+41.5Reliability 24%61+14.8Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty92−0.8Momentum penalty96−0.4Experts Score= 76Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBAAAA | 4.75 | $192 |
| 10 |  Pacific AireOxnard, CA | C 57How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%68+37.1Reliability 24%61+14.8Value 14%83+11.7Replies to reviews 7%33+2.3Craft & service penalty7−9.3Experts Score= 57Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBFAAD | 4.55 | $114 |
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
|---|---|---|---|---|
| HVAC system maintenance | $37 | $135 | $295 | 98% |
| A/C system maintenance | $51 | $192 | $415 | 98% |
| HVAC system repair | $192 | $383 | $918 | 97% |
| A/C system repair | $209 | $383 | $786 | 97% |
| Install AC | $1.5k | $2.1k | $3.2k | 98% |
| Heating system maintenance | $37 | $124 | $239 | 98% |
| Heating system installation | $1.4k | $1.9k | $2.5k | 97% |
| Repair HVAC | $224 | $359 | $535 | 97% |
| Heating system repair | $158 | $430 | $1.1k | 97% |
| Installation | $1.2k | $2.1k | $2.8k | 98% |
| Install thermostat | $57 | $161 | $590 | 98% |
| HVAC duct & vent installation | $1.2k | $1.9k | $2.8k | 95% |
How the 10 HVAC contractors we rated in Oxnard, CA compare, and what customers praise most.
A = score 80+, F = below 20.
Average stars per company.
Share of Google review highlights.
All price verdicts left with reviews.
Share calling it great / reasonable / overpriced.
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.
The 10 best-rated hvac contractors in Oxnard, CA average 4.9★ on Google across 2,503 reviews. Air System Solutions Inc has the top rating (5.0★), and Pacific Aire has the most reviews (1,203). Updated November 11, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (2,503 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“West Coast AC installed a heat pump for air conditioning utilizing my existing ducts. I am very satisfied with the job they did from an administrative and technical perspective. Scheduling was expedited, pricing…” — Google review
“Everyone from the first phone call to inquire, to the finish product!! The people who helped: Ysenia (sp?), Martin, Marcos and Art. All great & professional. Now home owner so I had questions that they answered for…” — Google review
“We just had a a/c system installed. Crew was timely and efficient. Installation and equipment was as expected and works very well. Thank for a great job!” — Google review
“Professional, diligent, and particularly great with communication. Jimmy was thoughtful and able explain to us our best options and then made sure to follow up to ensure a successful installation. Juan led the…” — Google review
“Always efficient, dependable and professional. On time and courteous. There is comfort knowing that they check OUR HVAC system to make sure its safely running.” — Google review
“I am always impressed with Stan, his knowledge and know how seem endless. He makes time to always be able to fit me in when I am available. He goes above and beyond with cleaning rinsing off what ever he needs to…” — Google review
“I received several bids to install a new heat pump system in my home. I selected Pacific Aire’s bid due to their knowledge, equipment recommendations and pricing. Their techs arrived on time, cleaned up at the end…” — Google review
“We finally upgraded with HVAC Installation, and the team installed the system efficiently. The entire home feels comfortable now” — Google review
“They came out because my furnace wasn’t working. Alberto gave me a quote for repairs and got everything done the same day.” — Google review
“Had a full heating system check before it got really cold and they found an issue I wouldn’t have noticed, glad I didn’t wait” — Google review
We scan Google Maps for hvac contractor listings in and around Oxnard, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Air System Solutions Inc has the highest Google rating on our Oxnard list: 5.0 out of 5 from 65 reviews (as of November 11, 2026).
Pacific Aire has the most Google reviews among the companies listed here: 1,203, with a 4.6★ average.
Only open Oxnard-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
Also in Oxnard: Airport Shuttle Services · Remediation Services
Analyzing 9,840,2499.8M ReviewsFor 27,70927.7K Experts