Analyzing 5,776,2605.8M ReviewsFor 15,91315.9K Experts

Experts Reviews · Company report
Donald's Duct Cleaning logoHow 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%99+25.8Value 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

Donald's Duct Cleaning

Troy, MI · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #4Position by Experts Score among all companies we track in this category. of 28 air duct cleaning services · 5.0★ from 254 Google reviews

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Report card

Percentile vs other air duct cleaning services (100 = best)Each 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: craft & service and value; weakest: reliability.

SatisfactionSatisfaction · 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.Donald's Duct Cleaning is better than 99% of air duct cleaning services.A
99
ReliabilityReliability · 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.Donald's Duct Cleaning is better than 99% of air duct cleaning services.A
99
Craft & serviceCraft & service · 0% of the scoreGoogle 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.Donald's Duct Cleaning is better than 100% of air duct cleaning services.A
100
ValueValue · 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.Donald's Duct Cleaning is better than 100% of air duct cleaning services.A
100
MomentumMomentum · 0% of the scorePenalises 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.Donald's Duct Cleaning is better than 100% of air duct cleaning services.A
100
Replies to reviewsReplies 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.Donald's Duct Cleaning is better than —% of air duct cleaning services.–
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Reviews for your job

Customers hired Donald's Duct Cleaning for 4 kinds of job.

Donald's Duct Cleaning for a/c system maintenance

Clear ✕
Jobs reviewedHow many Google reviews are tagged with this job.1
★ on this jobAverage stars on the reviews where the customer tagged this exact job (Google’s “Services” field).5.00
Usually paidThe price range customers picked most often for this job.—
Category typicalWhat the middle half of customers paid for this job across all companies in the category.$26–$251

All 1 Google reviews tagged “A/C system maintenance”

Steven5 reviewsTotal 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★★★★★

Angelo and Jon did a phenomenal job from start to finish. Highly recommend their services! They were on time, very professional and made sure to leave zero mess after they finished. Thank you again guys, my homes air quality and overall smell is 10000x better now. Will definitely be using your services when needed again.

A/C system maintenanceHVAC duct & vent cleaningHVAC duct & vent repair+ Responsiveness+ Punctuality+ Quality

Price

$4320% vs typical air duct cleaning services

Bar = middle half of what customers paid · gold mark = category median.

Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.

Great price 60%Reasonable 40%Overpriced 0%Not sure 0%

Jobs customers hired them for

JobReviewsCategory typical
HVAC duct & vent cleaning84$478–$742
HVAC duct & vent repair17$276–$771
Ductless heating & A/C services6$57–$1.1k
HVAC system maintenance3$54–$581

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