The Best Heat Pump Installation Services in Washington

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1Pacific Heating, Cooling, Plumbing & Electrical★ 4.92 on this job955 jobs reviewedusually $1–200iHow Job match is calculatedBuilt only from reviews Google tagged “Heating system maintenance”:Stars on this job 55%4.92★Number of such jobs 25%955Overall Experts Score 20%93Job match= 92Stars are pulled toward the category average (4.87★) 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.92

2Ranger Heating & Cooling★ 4.97 on this job143 jobs reviewedusually $200–300iHow Job match is calculatedBuilt only from reviews Google tagged “Heating system maintenance”:Stars on this job 55%4.97★Number of such jobs 25%143Overall Experts Score 20%96Job match= 90Stars are pulled toward the category average (4.87★) 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.90

3Absolute Heating & Cooling★ 5.00 on this job37 jobs reviewedusually $100–200iHow Job match is calculatedBuilt only from reviews Google tagged “Heating system maintenance”:Stars on this job 55%5.00★Number of such jobs 25%37Overall Experts Score 20%97Job match= 86Stars are pulled toward the category average (4.87★) 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.86

4Optimal HVAC★ 5.00 on this job41 jobs reviewedusually $100–200iHow Job match is calculatedBuilt only from reviews Google tagged “Heating system maintenance”:Stars on this job 55%5.00★Number of such jobs 25%41Overall Experts Score 20%92Job match= 85Stars are pulled toward the category average (4.87★) 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.85

5Greenwood Heating and Home Services★ 4.87 on this job318 jobs reviewedusually $1,000+iHow Job match is calculatedBuilt only from reviews Google tagged “Heating system maintenance”:Stars on this job 55%4.87★Number of such jobs 25%318Overall Experts Score 20%81Job match= 82Stars are pulled toward the category average (4.87★) 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.82

6Essential Heating and Air★ 4.97 on this job37 jobs reviewedusually $1,000+iHow Job match is calculatedBuilt only from reviews Google tagged “Heating system maintenance”:Stars on this job 55%4.97★Number of such jobs 25%37Overall Experts Score 20%83Job match= 81Stars are pulled toward the category average (4.87★) 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.81

7Serenity Air Heating & Air Conditioning★ 4.97 on this job29 jobs reviewedusually $100–200iHow Job match is calculatedBuilt only from reviews Google tagged “Heating system maintenance”:Stars on this job 55%4.97★Number of such jobs 25%29Overall Experts Score 20%91Job match= 81Stars are pulled toward the category average (4.87★) 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.81

8Greener Cleaner Heating & Air★ 5.00 on this job5 jobs reviewedusually $1,000–1,200iHow Job match is calculatedBuilt only from reviews Google tagged “Heating system maintenance”:Stars on this job 55%5.00★Number of such jobs 25%5Overall Experts Score 20%96Job match= 74Stars are pulled toward the category average (4.87★) 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.74

Job match = this company’s ★ on reviews Google tagged “Heating system maintenance” (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 heating system maintenance

CChristy13 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. · Edited 9 hours ago★★★★★

Pacific Heating, Cooling, Plumbin…

Arrived early and did a very thorough job. Appreciate having everything completed.

A/C system maintenanceHeating system maintenance+ Responsiveness+ Punctuality+ Quality

Kkatarina4 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. · 2 days ago★★★★★

Absolute Heating & Cooling

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 winter here in Seattle. They were very friendly as well!

Heating system maintenance

DDebbieLocal Guide · 60 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. · Edited 5 days ago★★★★★

Serenity Air Heating & Air Condit…

Our technician Bill was amazing. On time, kind, considerate, efficient, caring, and knowledgeable. He was doing a maintenance check on our furnace we purchased a year ago from Serenity. Highly recommend this company for all your HVAC needs!

Heating system maintenance

DDan9 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. · Edited a week ago★★★★★

Greenwood Heating and Home Servic…

Aaron was our service specialist and did a great job with our maintenance for our furnace, heat pump, and on-demand hot water unit. He was efficient, thorough, neat, and professional. He communicated with us about everything he did and why and answered all our questions. I highly recommend Aaron and Greenwood. We have not been disappointed!

Paid $600–800Reasonable priceHVAC system maintenanceHeating system maintenanceService not listed

GGary2 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 week ago★★★★★

Essential Heating and Air

Sebastian is fantastic and an obvious expert at his profession. Very good customer service and personality. Your lucky to have him.

Heating system repairA/C system repairHeating system installation

RRichard3 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. · 4 days ago★★★★★

Pacific Heating, Cooling, Plumbin…

William was on time, friendly, and very knowledgeable. He did a thorough job with the furnace and explained everything that he was doing, including pictures of the process. We’re very pleased!

Paid $1–200Great priceHeating system maintenance

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 heat pump installation services).

#	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	Unisystems Heating & AC LLCPacific, WA	A 100iHow 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	Absolute Heating & CoolingPacific, WA	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 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	Greener Cleaner Heating & AirPacific, WA	A 96iHow 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	Ranger Heating & CoolingPacific, WA	A 96iHow 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	Pacific Heating, Cooling, Plumbing & ElectricalPacific, WA	A 93iHow 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	Optimal HVACPacific, WA	A 92iHow 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	Serenity Air Heating & Air ConditioningPacific, WA	A 91iHow 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	Tapps Electric, Heating & AirPacific, WA	A 87iHow 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	Essential Heating and AirPacific, WA	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%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	Greenwood Heating and Home ServicesPacific, WA	A 81iHow 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 jobs cost

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

Heat Pump Installation Services in Washington at a glance

How the 10 heat pump installation services we rated in Washington 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.