
Optimal HVAC
“Would recommend this company to everyone. Not too many honest business owners, but this two brother company is the best!” — Google review
We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 51,963 Google reviews of 50 top-rated heat pump installation services nationwide; 10 of them in Pacific, WA. Updated November 1, 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 heat pump installation services).
| # | 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 | A 100How 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%100+58.7Reliability 26%99+25.8Value 15%100+15.2Experts Score= 100Not 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 | $2.8k | |
| 2 | 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 55%97+52.9Reliability 24%96+23.3Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty94−0.6Experts Score= 97Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.94 | $432 | |
| 3 | A 96How 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%97+52.9Reliability 24%97+23.5Value 14%100+14.1Replies to reviews 7%78+5.5Experts Score= 96Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AAB | 4.98 | $1.2k | |
| 4 | A 96How 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%96+52.4Reliability 24%95+23Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty97−0.3Experts Score= 96Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.93 | $648 | |
| 5 | A 93How 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%92+50.2Reliability 24%91+22.1Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty94−0.6Experts Score= 93Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.90 | $192 | |
| 6 | A 92How 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%97+52.9Reliability 24%96+23.3Value 14%100+14.1Replies to reviews 7%38+2.7Craft & service penalty93−0.7Experts Score= 92Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAD | 4.97 | $221 | |
| 7 | A 91How 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%92+50.2Reliability 24%89+21.6Value 14%100+14.1Replies to reviews 7%73+5.2Craft & service penalty96−0.4Experts Score= 91Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAB | 4.92 | $498 | |
| 8 | A 87How 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%91+49.6Reliability 24%91+22.1Value 14%100+14.1Replies to reviews 7%38+2.7Craft & service penalty85−1.5Experts Score= 87Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAD | 4.90 | $585 | |
| 9 | 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%84+45.8Reliability 24%82+19.9Value 14%100+14.1Replies to reviews 7%49+3.5Craft & service penalty99−0.1Experts Score= 83Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAC | 4.85 | $1.6k | |
| 10 | A 81How 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%78+11Replies to reviews 7%43+3Craft & service penalty89−1.1Experts Score= 81Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAABAC | 4.85 | $654 |
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 | $114 | $248 | $453 | 98% |
| HVAC system repair | $209 | $454 | $1.2k | 96% |
| A/C system maintenance | $78 | $198 | $351 | 97% |
| Heating system maintenance | $78 | $166 | $293 | 99% |
| Heating system installation | $1.4k | $1.9k | $2.4k | 99% |
| Install AC | $1.6k | $2.4k | $3.7k | 99% |
| A/C system repair | $227 | $383 | $611 | 97% |
| Heating system repair | $188 | $379 | $867 | 97% |
| Install thermostat | $275 | $423 | $721 | 99% |
| Installation | $1.4k | $2.1k | $2.8k | 96% |
| Repair HVAC | $57 | $283 | $738 | 99% |
| HVAC duct & vent cleaning | $538 | $699 | $942 | 98% |
How the 10 heat pump installation services we rated in Pacific, WA 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 heat pump installation services in Pacific, WA average 4.9★ on Google across 18,714 reviews. Optimal HVAC has the top rating (5.0★), and Pacific Heating, Cooling, Plumbing & Electrical has the most reviews (7,256). Updated October 29, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (18,714 reviews combined) and currently operating. Request a call back and the company will phone you directly.

“Would recommend this company to everyone. Not too many honest business owners, but this two brother company is the best!” — Google review

“Cody with Greener Cleaner saved the day. The company responded promptly and arrived the same day with a quick fix, went the extra mile, and cleaned up afterwards. Very nice guy! Thanks again and I’ll be happy to…” — Google review

“The service team arrived on time and were very professional. They serviced our unit with detailed attention and made sure everything was working correctly. They always offer estimates that are affordable and offer…” — Google review

“My first review was "Insanely expensive work for a tiny water leak." After posting this a manager from Greenwood called and we talked through the repair. To help make things right, they offered me a 50% discount…” — Google review

“Excellent service from start to finish! The team was professional, friendly, and knowledgeable. They did a great job, and I really appreciate their hard work. I would highly recommend this HVAC company to anyone…” — Google review

“Jackson, Riley, David and Paul all came out and did an excellent job replacing my HVAC with a new system. TOPO quality work and it was done really fast. I highly recommend!” — Google review

“Got it — cleaner version, no specifics: --- Paul from Unisystem HVAC did an excellent job replacing our furnace. Professional, honest, and easy to work with from start to finish — no upsell pressure, clear…” — Google review

“Scott & Aaron (plus their team) did a great job not only making sure my wall heater was safe for the winter season. They also cleaned out all the dust! I’m not from the north, and now I feel safe and ready for the…” — Google review

“Aiden from Tapps Electrical came to our home to give us an estimate on cost of electricity to a new sauna. He was very polite and congenial and listened attentively to what we were proposing, Later after taking…” — Google review

“Serenity Air is trustworthy and has delivered exceptional service to our home for over a decade now. There is no other place to go for anything furnace or heat pump related.” — Google review
We scan Google Maps for heat pump installation service listings in and around Pacific, 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.
Optimal HVAC has the highest Google rating on our Pacific list: 5.0 out of 5 from 570 reviews (as of October 29, 2026).
Pacific Heating, Cooling, Plumbing & Electrical has the most Google reviews among the companies listed here: 7,256, with a 4.9★ average.
Only open Pacific-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.