The Best HVAC Contractors in Oxnard, CA

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1Pacific Aire★ 5.00 on this job14 jobs reviewedusually $2,000+iHow Job match is calculatedBuilt only from reviews Google tagged “Thermostat installation”:Stars on this job 55%5.00★Number of such jobs 25%14Overall Experts Score 20%57Job match= 88Stars are pulled toward the category average (4.89★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.88

2West Coast Air Conditioning★ 5.00 on this job3 jobs reviewedusually $1,000+iHow Job match is calculatedBuilt only from reviews Google tagged “Thermostat installation”:Stars on this job 55%5.00★Number of such jobs 25%3Overall Experts Score 20%88Job match= 79Stars are pulled toward the category average (4.89★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.79

3TriCounty Services★ 5.00 on this job3 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Thermostat installation”:Stars on this job 55%5.00★Number of such jobs 25%3Overall Experts Score 20%85Job match= 79Stars are pulled toward the category average (4.89★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.79

4Anacapa Heating & Air★ 5.00 on this job4 jobs reviewedusually $1,000+iHow Job match is calculatedBuilt only from reviews Google tagged “Thermostat installation”:Stars on this job 55%5.00★Number of such jobs 25%4Overall Experts Score 20%76Job match= 79Stars are pulled toward the category average (4.89★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.79

Job match = this company’s ★ on reviews Google tagged “Thermostat installation” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.

What customers said about thermostat installation

William1 reviewiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 5 days ago★★★★★

Pacific Aire

11/4/26: Robert R. & Jose H. installed our new forced air furnace. 1. Pacific Aire is a solid and honest company to do business with. 2. Their employees are always to the point and communicate well. 3. They were on the job from 9am till 6pm when they completed the installation. 4. Pacific Aire shows great… Read full review

Paid $2,000+Not sureHeating system installationInstall thermostatThermostat installation

Helen5 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 11 months ago★★★★★

West Coast Air Conditioning

I wanted to take a moment to praise the west coast crew (Jake, Gary, Eli, Clark, Erwin, Doreen, Letti) for excellent service throughout the installation and testing of our new HVAC units. Their kind and professional manner made the entire experience smooth and reassuring. They were patient in answering all of our… Read full review

Reasonable priceHeating system installationInstall ACThermostat installation

MicheleLocal Guide · 20 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 11 months ago★★★★★

Anacapa Heating & Air

This company not only delivers on its promise of a quick installation, but their HVAC specialists are fantastic and did a terrific job. We have been without heat, and after dealing with several other HVAC companies that blew us off, these guys came out on Tuesday and installed a new heater on Wednesday. I am so… Read full review

Paid $1,000+Reasonable priceHeating system installationThermostat installation

markystarkyLocal Guide · 53 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 years ago★★★★★

TriCounty Services

John from Tricounty Services showed up on time, replaced the registers, explained how my new system works, and cleaned up after himself.

HVAC duct & vent installationHeating system installationInstall thermostat+ Responsiveness+ Punctuality+ Quality

Cruz1 reviewiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a month ago★★★★★

Pacific Aire

Overall, my experience with Pacific Aire was excellent. The entire team was very professional and knowledgeable. Bob was very very helpful providing multiple option to choose from. The total cost to replace an aging heater/ducting, and add an A/C unit was far more affordable than the competitors. I went with the… Read full review

Paid $2,000+Reasonable priceHeating system installationHVAC duct & vent installationInstall AC

StevenLocal Guide · 19 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a month ago★★★★★

Pacific Aire

The installation was quick, easy, and very painless. They did an excellent job of replacing my gas furnace with a full HVAC system.

Paid $2,000+Reasonable priceHeating system installationHVAC duct & vent installationInstall AC

Overall ratings

Experts Score 0–100iExperts 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	ScoreiExperts 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.	FactorsiFactor 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.	★iGoogle star rating as shown on Google Maps.	Typical billiMedian bill customers of this company reported in their reviews (needs 3+ priced reviews).
1	Air System Solutions IncOxnard, CA	A 99iHow 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 98iHow 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 97iHow 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 88iHow 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 85iHow 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 83iHow 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 83iHow 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 78iHow 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 76iHow 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 57iHow 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 jobs cost

What customers paid, from the price Google asks reviewers to report.

HVAC Contractors in Oxnard, CA at a glance

How the 10 HVAC contractors we rated in Oxnard, CA compare, and what customers praise most.

How we grade

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.