HVAC contractor · Pacific, WA · reviewed since 2022
iHow 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.100SCORE
AGradeiLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#2 of 50 heat pump installation servicesiPosition by Experts Score among all companies we track in this category. · better than 98%
5.0★★★★★166 Google reviews · 24 photos
100%five-star reviews
5.00★last 12 monthsiAverage stars on reviews from the last 12 months only.
0%1–2★ in 2 yearsiShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
57%reviews answered by the owner
$2.8ktypical billiMedian bill customers of this company reported in their reviews (needs 3+ priced reviews).
Google reviewers rate Unisystems Heating & AC LLC five out of five stars based on one hundred sixty-six reviews, with the owner responding to fifty-seven percent of them. Customers frequently cite furnace and AC installations, highlighting punctuality, clear communication, and competitive pricing. The team is described as professional and efficient, often completing work quickly while maintaining clean job sites. No recurring criticisms appear in the provided excerpts, which consistently express satisfaction with the service quality and responsiveness.
Google rating: 5.0 out of 5 from 166 reviews (100% five-star).
Reviews on this page: 166 Google reviews (127 with written comments, 11 with photos).
Owner responses: the business replied to 57% of reviews.
Most recent review: October 21, 2026.
Service: Heat Pump Installation Service serving Pacific, Washington.
Data from Google, last updated October 29, 2026.
Score profile vs other heat pump installation services
Score per factor (100 = best)iEach factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: satisfaction and craft & service; weakest: reliability.
Unisystems Heating & AC LLCHeat Pump Installation Services median0 = centre, 100 = best
SatisfactioniSatisfaction · 54% of the scoreRecency-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.Unisystems Heating & AC LLC: 100/100 on this factor. Category median: 92.A
100
ReliabilityiReliability · 24% of the scoreHow 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.Unisystems Heating & AC LLC: 99/100 on this factor. Category median: 90.A
99
Craft & serviceiCraft & service · penalty only, up to −10 pointsGoogle 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.Unisystems Heating & AC LLC: 100/100 on this factor. Category median: 95.A
100
ValueiValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Unisystems Heating & AC LLC: 100/100 on this factor. Category median: 100.A
100
MomentumiMomentum · penalty only, up to −10 pointsPenalises 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.Unisystems Heating & AC LLC: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsiReplies to reviews · 7% of the scoreHow 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.Not enough reviews for this factor yet. Category median: 63.–
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Bar = this company · dark tick = category median.
Star ratings
166 Google reviews we collected
5.0of 5
5 stars166100%
4 stars00%
3 stars00%
2 stars00%
1 star00%
Praise vs complaints
Phrases our text analysis found in 127 written reviews
100%praise
Praise324100%
Complaints10%
PriceiGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Price verdicts customers left with their Google review
100%fair
Great price5489%
Reasonable711%
Overpriced00%
Not sure00%
$2.8k+518% vs typical heat pump installation services
Middle half of what 19 customers paid ($2.1k–$3.7k) · gold mark = category median.
Topic share
How often each topic comes up in the written reviews
7topics
Would recommend7322%
Staff & attitude5818%
Speed & response5417%
Quality & results5316%
Price & value5015%
Communication227%
Honesty & trust155%
What customers talk about
We read 127 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.
“We will be using them for future projects and definitely recommend their services to anyone.”
“Professional, honest, and easy to work with from start to finish — no upsell pressure, clear communication, and the work was done cleanly and on schedule.”
“Their tech Paul was respectful and was able to get to the root issue fairly quick.”
“Paul from Unisystem HVAC did an excellent job replacing our furnace.”
“Responsible contractor, great price, recommended to my friends also!”
“They were very professional, responsive, and easy to work with from start to finish.”
“I highly recommend them to anyone looking for reliable HVAC installation services.”
People customers mention
Paul17 reviews
Alex5 reviews
praise complaint · found by our text analysis, Google review wording unchanged.
Reviews for your job
Customers hired Unisystems Heating & AC LLC for 6 kinds of job. Pick one to see what they paid and said.
EEd3 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 weeks ago★★★★★
Paul and his crew did an amazing job on my new furnace! We are very happy with the installation and couldn’t recommend them more! The price was great and the work was done efficiently! Highly recommend!!
Paid $2,000+Great priceHeating system installation
DDiLocal 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. · Edited 3 weeks ago★★★★★
Overall wonderful experience. I need to install a new furnace and new heat pump, I have quoted so many contractors, I did thorough comparison including equipment, installation, online reviews, price, warranty.
But eventually I choose unisystem as they offer better equipment with competitive price, and better…
Paid $2,000+Great priceHeating system installationInstall AC
JJiayan4 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★★★★★
We had our water heater and furnace replaced by Paul and his team, and we had a great experience. They were very professional, responsive, and easy to work with from start to finish. They explained everything clearly, showed up on time, and completed both installations efficiently and carefully.
We really…
Paid $2,000+Great priceHeating system installation
GGirishLocal Guide · 9 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 months ago★★★★★
I had a great experience with Unisystems installing my new furnace. On a peak summer day, our furnace blower stopped working and the AC couldn’t turn on as a result of that. Paul addressed the issue promptly and came over for a quick diagnosis. We discussed options and within a day, they were back to install my new…
Paid $2,000+Great priceHeating system installation
MMichael11 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 months ago★★★★★
Unisystems installed a brand new AC unit for my home, and the entire process was fantastic. They completed the clean, professional installation in just one day and took the time to explain the system and share tips for cutting my energy bills. Over three years later, it still runs perfectly. If you need a reliable…
Paid $2,000+Great priceHeating system installationInstall AC
MMinh3 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 months ago★★★★★
⭐⭐⭐⭐⭐
I had a great experience from start to finish. Their pricing was very competitive compared to other quotes I received, and the installation was completed quickly and professionally.
The crew was knowledgeable, respectful, and paid attention to detail throughout the installation. They also took the time to…
Paid $2,000+Great priceHeating system installationInstall AC
Got it — cleaner version, no specifics:
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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 communication, and the work was done cleanly and on schedule. He explained everything well and took care of all the details. Our home is warm and comfortable again, and the new system runs noticeably quieter. Highly recommend Paul and Unisystem HVAC.
Response from the owner · 5 days ago
We’re glad you’re happy with your new furnace and the work Paul did, Yogiraj. We appreciate your trust in Unisystems HVAC and your recommendation. Thank you for choosing us as your Auburn HVAC contractor!
T
Tomas1 reviewiTotal number of Google reviews Tomas has written across all businesses on Google Maps, not just this one.
Their tech Paul was respectful and was able to get to the root issue fairly quick. Saved me a hassle
Price assessment: Great price
Services: Heating system repair
Response from the owner · 5 days ago
We’re glad Paul was able to find the issue quickly and get things sorted out. Thank you for trusting Unisystems HVAC with your heating repair, Tomas and for choosing us as your Auburn HVAC contractor!
T
Tomas And1 reviewiTotal number of Google reviews Tomas has written across all businesses on Google Maps, not just this one.
We’re glad our team made the heating installation process a good experience for you, Tomas. Thank you for choosing Unisystems HVAC as your Auburn HVAC contractor!
D
Dann Melinetskiy (Meli)8 reviewsiTotal number of Google reviews Dann has written across all businesses on Google Maps, not just this one.
Working with Paul and his team was nothing but smooth and professional. Super pleased with the experience getting our AC system installed. We will be using them for future projects and definitely recommend their services to anyone.
Price assessment: Great price
Services: Install AC
Response from the owner · a week ago
We’re glad Paul and the team made your AC installation a smooth and professional experience, Dann! Thank you for your recommendation and for trusting Unisystems HVAC with your project. We look forward to helping with your future heating and cooling needs as your Auburn HVAC contractor!
E
Ed Velit3 reviewsiTotal number of Google reviews Ed has written across all businesses on Google Maps, not just this one.
Paul and his crew did an amazing job on my new furnace! We are very happy with the installation and couldn’t recommend them more! The price was great and the work was done efficiently! Highly recommend!!
Price assessment: Great price
Price: $2,000+
Services: Heating system installation
Response from the owner · 2 weeks ago
We’re glad you’re happy with your new furnace and that Paul and his crew took good care of the installation, Ed. We’ll be sure to share your feedback with them. Thanks for recommending Unisystems HVAC and for recognizing our team’s work and pricing! We’re here whenever you need an HVAC contractor in Auburn.
K
Kun Li1 reviewiTotal number of Google reviews Kun has written across all businesses on Google Maps, not just this one.
Responsible contractor, great price, recommended to my friends also!
Price assessment: Great price
Price: $2,000+
Services: Heating system installation, Install AC
Response from the owner · 2 weeks ago
We’re glad you were happy with our pricing and the work we did on your heating system and AC installation, Kun Li. Thanks for recommending Unisystems Heating & AC LLC to your friends! We appreciate your support and are here whenever you need an HVAC contractor in Auburn.
I
Ivan Lisitsyn5 reviewsiTotal number of Google reviews Ivan has written across all businesses on Google Maps, not just this one.
We’re glad you’re happy with our service and look forward to helping you again, Ivan! Thanks for choosing Unisystems Heating & AC LLC for your AC installation. We’re here whenever you need an HVAC contractor in Auburn.
D
DiLocal Guide · 19 reviewsiTotal number of Google reviews Di has written across all businesses on Google Maps, not just this one.
Overall wonderful experience. I need to install a new furnace and new heat pump, I have quoted so many contractors, I did thorough comparison including equipment, installation, online reviews, price, warranty.
But eventually I choose unisystem as they offer better equipment with competitive price, and better warranty.
Also they are very responsive to answer all my questions. Finally, they not only install the equipment well, but also clean everything in my garage. They even fix a switch problem I had in my house(not part of this project) as courtesy.
I cannot recommend them any more!
Price assessment: Great price
Price: $2,000+
Services: Heating system installation, Install AC
Response from the owner · 5 months ago
Thank you for choosing Unisystems Heating & AC LLC for your furnace and heat pump installation, Di! We’re glad you had a wonderful experience and appreciated our equipment, pricing, warranty, and communication. Our team takes pride in being a trusted Auburn HVAC contractor, and we truly appreciate your recommendation and support!
R
R Astorga9 reviewsiTotal number of Google reviews R has written across all businesses on Google Maps, not just this one.
We had our water heater and furnace replaced by Paul and his team, and we had a great experience. They were very professional, responsive, and easy to work with from start to finish. They explained everything clearly, showed up on time, and completed both installations efficiently and carefully.
We really appreciated their great communication throughout the entire process and how smoothly everything was handled. The new systems are working great, and we’re very happy with the service. Highly recommend Paul and his team!
Price assessment: Great price
Price: $2,000+
Services: Heating system installation
Response from the owner · a month ago
Thank you for the wonderful review and recommendation, Jiayan! We’re glad Paul and the team made your water heater and furnace replacements smooth from start to finish. Clear communication, punctuality, and quality workmanship are priorities for us on every installation. As your trusted Auburn HVAC contractor, we’re happy to hear both new systems are working great. Thank you for choosing Unisystems Heating & AC LLC
