Window installation service · Walnut Creek, CA · reviewed since 2023
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%99+58.1Reliability 26%97+25.3Value 15%100+15.2Experts 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.99SCORE
AGradeiLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#11 of 37 window contractorsiPosition by Experts Score among all companies we track in this category. · better than 72%
5.0★★★★★45 Google reviews · 7 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.
Google reviewers rate the company five stars based on forty-five reviews, noting that the owner responds to every comment. Customers describe window and door services characterized by punctual arrivals, clean work sites, and straightforward communication without high-pressure sales tactics. Recurring themes include reduced drafts, improved energy efficiency, and lower heating costs. The excerpts indicate that pricing was transparent and the installation process was efficient, with no common criticisms identified in the provided feedback.
Google rating: 5.0 out of 5 from 45 reviews (100% five-star).
Reviews on this page: 45 Google reviews (45 with written comments).
Owner responses: the business replied to 100% of reviews.
Most recent review: September 17, 2026.
Service: Window Contractor serving Walnut Creek, California.
Data from Google, last updated October 28, 2026.
Score profile vs other window contractors
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: value and momentum; weakest: reliability.
This companyWindow Contractors 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.PAC Replacement Windows & Doors: 99/100 on this factor. Category median: 97.A
99
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.PAC Replacement Windows & Doors: 97/100 on this factor. Category median: 95.A
97
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.Not enough reviews for this factor yet. Category median: 99.–
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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.PAC Replacement Windows & Doors: 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.PAC Replacement Windows & Doors: 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: 51.–
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Bar = this company · dark tick = category median.
Star ratings
45 Google reviews we collected
5.0of 5
5 stars45100%
4 stars00%
3 stars00%
2 stars00%
1 star00%
Praise vs complaints
Phrases our text analysis found in 45 written reviews
96%praise
Praise5396%
Complaints24%
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 price480%
Reasonable120%
Overpriced00%
Not sure00%
Topic share
How often each topic comes up in the written reviews
7topics
Speed & response1833%
Price & value1222%
Staff & attitude916%
Quality & results713%
Would recommend59%
Communication24%
Honesty & trust24%
What customers talk about
We read 45 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.
“Install team showed up on time, knocked out three windows in a morning.”
“They arrived on time, fixed the issue swiftly, and the price was very reasonable.”
“Window replacement felt pricey until heating bill dropped twenty percent; bright morning sun beams are worth every cent, plus my cactus seems happier,…”
“The crew was super professional and the new windows look amazing.”
“They were fast at their job, explained everything beforehand, and achieved a perfect result.”
“…g new frames, mailman asked for their number, smoothest upgrade ever, 10/10 recommend.…”
“As a senior, I appreciated their patience and clear explanations every step of the way.”
“got a quote pretty quick and they were upfront about pricing which i appreciated.”
praise complaint · found by our text analysis, Google review wording unchanged.
Reviews for your job
Customers hired PAC Replacement Windows & Doors for 1 kind of job. Pick one to see what they paid and said.
KKatelynn6 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★★★★★
had them out for a quote on six windows and the sales side wasnt pushy at all, which sold me more than anything. they measured, gave me a price, and that price didnt move. install day the two installers were in and out in about a day and a half and kept the plastic sheeting up so my floors stayed clean. the new…
CCarlos1 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. · 2 months ago★★★★★
PAC replaced four windows in the back of the house that face the yard. The change is pretty noticeable, especially in the kitchen where the old window had this weird tint to the glass. New ones let in a ton more light and the view is just clearer. They also fit a small window in the bathroom that had been painted…
Jjaspreet4 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★★★★★
The new windows made a huge difference right away. less outside noise, no more fighting to open them, and the house feels tighter without that draft near the back rooms. We also had a new door put in and it fits so much better than the old one ever did. While looking around Walnut Creek I noticed this company kept…
Great priceGeneral window replacement
JJustineLocal Guide · 10 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★★★★★
Quote process was painless, no pressure to upgrade to anything fancy. Install team showed up on time, knocked out three windows in a morning. They wore booties inside which I appreciated. New windows look great from the street and inside. Glad we picked them.
NnoahLocal Guide · 5 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. · 5 months ago★★★★★
got a quote pretty quick and they were upfront about pricing which i appreciated. install team showed up on time and knocked it out in one day for three windows. everything looks solid and the house is noticeably quieter now. the whole thing was pretty painless honestly glad i picked them
MMarie5 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. · 6 months ago★★★★★
our old windows were getting hard to open and a couple had that foggy look between the glass. one in the front room rattled any time it got windy too, which was getting old fast. PAC Replacement Windows & Doors got right to the point about what needed replacing and what options made sense without turning it into a…
had them out for a quote on six windows and the sales side wasnt pushy at all, which sold me more than anything. they measured, gave me a price, and that price didnt move. install day the two installers were in and out in about a day and a half and kept the plastic sheeting up so my floors stayed clean. the new windows actually latch smooth instead of the fight my old ones put up. also had them swap a slider door that never sat right and now it glides with one finger
Response from the owner · 2 weeks ago
Thank you for the great review and kind support.
C
Carlos Martinez1 reviewiTotal number of Google reviews Carlos has written across all businesses on Google Maps, not just this one.
PAC replaced four windows in the back of the house that face the yard. The change is pretty noticeable, especially in the kitchen where the old window had this weird tint to the glass. New ones let in a ton more light and the view is just clearer. They also fit a small window in the bathroom that had been painted shut for who knows how long. Install team worked clean, finished in one day. Been happy with how everything looks and functions.
Response from the owner · 2 weeks ago
Thanks so much for the positive review and kindness.
J
jaspreet singh4 reviewsiTotal number of Google reviews jaspreet has written across all businesses on Google Maps, not just this one.
The new windows made a huge difference right away. less outside noise, no more fighting to open them, and the house feels tighter without that draft near the back rooms. We also had a new door put in and it fits so much better than the old one ever did. While looking around Walnut Creek I noticed this company kept coming up, and now I get why. everything looks clean and works like it should.
Price assessment: Great price
Services: General window replacement
Response from the owner · 2 weeks ago
Thanks for taking the time to share such wonderful thoughts.
J
Justine LillardLocal Guide · 10 reviewsiTotal number of Google reviews Justine has written across all businesses on Google Maps, not just this one.
Quote process was painless, no pressure to upgrade to anything fancy. Install team showed up on time, knocked out three windows in a morning. They wore booties inside which I appreciated. New windows look great from the street and inside. Glad we picked them.
Response from the owner · 2 weeks ago
Thank you for the thoughtful words and encouragement.
N
noah ariasLocal Guide · 5 reviewsiTotal number of Google reviews noah has written across all businesses on Google Maps, not just this one.
got a quote pretty quick and they were upfront about pricing which i appreciated. install team showed up on time and knocked it out in one day for three windows. everything looks solid and the house is noticeably quieter now. the whole thing was pretty painless honestly glad i picked them
Response from the owner · 3 months ago
We truly appreciate your kind words and support. Thank you for taking the time to share your feedback!
M
Marie5 reviewsiTotal number of Google reviews Marie has written across all businesses on Google Maps, not just this one.
our old windows were getting hard to open and a couple had that foggy look between the glass. one in the front room rattled any time it got windy too, which was getting old fast. PAC Replacement Windows & Doors got right to the point about what needed replacing and what options made sense without turning it into a big sales pitch. the install moved along smoothly and the house felt quieter right away. I also liked that they paid attention to the little things like how the new windows sat evenly and opened without that sticky dragging feel. traffic noise is way less noticeable now, which has made a bigger difference than i expected. the front door was replaced too and it closes solid now, no more messing with it to get it to latch right. glad we got this done before another hot stretch.
Services: General window replacement
Response from the owner · 3 months ago
We truly appreciate your kind words and support. Thank you for taking the time to share your positive feedback!
B
Brandie MolettLocal Guide · 43 reviewsiTotal number of Google reviews Brandie has written across all businesses on Google Maps, not just this one.
PAC handled our window replacement in a way that felt pretty low stress. Not flashy, just organized. The old windows had gotten drafty and a couple were getting annoying to open, so this was overdue. Install day moved along without a lot of fuss, and the difference was obvious that same evening-less outside noise and the rooms don't have that leaky feeling anymore.
Response from the owner · 3 months ago
Thank you so much for the kind words and support. We truly appreciate your feedback!
V
Vanessa Cisneros8 reviewsiTotal number of Google reviews Vanessa has written across all businesses on Google Maps, not just this one.
Getting new windows felt like one of those jobs we'd been putting off way too long. PAC Replacement Windows & Doors made it feel manageable. The quote was clear, the timing made sense, and once the work started it actually kept moving instead of dragging out. i had a lot of questions about the different window styles and what would work best in each room, and they answered in plain language. that helped more than anything. During installation things stayed organized n next. The biggest change is how the rooms feel now - less drafty, less outside noise, and the windows open so much easier.
Price assessment: Great price
Services: Sliding glass door installation & replacement
Response from the owner · 3 months ago
Thank you so much for the kind words and wonderful support!
K
Kr Young3 reviewsiTotal number of Google reviews Kr has written across all businesses on Google Maps, not just this one.
