How 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%82+44.7Reliability 24%77+18.7Value 14%74+10.5Replies to reviews 7%100+7.1Craft & service penalty98−0.2Momentum penalty91−0.9Experts Score= 80Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.80SCORET.E. Spall & Son
Archbald, PA · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #24Position by Experts Score among all companies we track in this category. of 28 air duct cleaning services · 4.8★ from 2,294 Google reviews
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: replies to reviews and craft & service; weakest: value.
Reviews for your job
Customers hired T.E. Spall & Son for 8 kinds of job.
T.E. Spall & Son for thermostat installation
Clear ✕All 8 Google reviews tagged “Thermostat installation”
Always friendly and helpful, very professional, arrive on time. Great company
Installers did a great job kept a clean working area and kept me informed about what was happening and friendly. Showed me how to work thermostat and changing filter. Asked if I had questions and answered them.
Great service from Michael and the team that installed my replacement hvac system. The install went smooth and everything is running as expected so far. The team was very knowledgeable and professional. I would give them all 6-stars if possible! Will recommend to others in the future.
Nick and his team did amazing work installing our new oil burner and hot water line! Extremely professional and meticulous work. Explained everything thoroughly and answered all questions. Very knowledgeable about everything done. Extremely satisfied and highly recommend. Thank You
We just had Spall come and replace our 21-year-old AC system. Andy did a phenomenal job. All communication was very timely. They were able to drop a new conduit with Romex to our box for powering the condenser separately from the AHU, and piggy-backed two other breakers to do it. They cleaned all of the diffusers…
T.E. Spall & Son did two jobs for us this winter - the addition of a fourth zone to our home's existing heating system (the heat in our finished basement room can finally be controlled independently), and the replacement of our aged boiler. In both cases, the work was done extremely well, professionally, cleanly,…
Rating only, no written review.
Rating only, no written review.
Price
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.
Jobs customers hired them for
| Job | Reviews | Category typical |
|---|---|---|
| HVAC system maintenance | 227 | $54–$581 |
| Heating system maintenance | 182 | $37–$219 |
| HVAC system repair | 106 | $148–$642 |
| Heating system repair | 106 | $124–$809 |
| A/C system maintenance | 71 | $26–$251 |
| Installation | 54 | $1.2k–$2.4k |
| Ductless heating & A/C services | 47 | $57–$1.1k |
| A/C preventive maintenance | 43 | $39–$219 |