A-1 Certified Service Inc
Comfort You Can Count On - Since 2000
Knoxville, US · prices in USD · ships to 28 countries. Catalogue read from a1csi.com's own public product feed on 2026-08-29. Every figure below is an observation from that feed, not an estimate.
Sales estimate
Derived from stock levels falling between polls, over 1 observed day. Intervals where stock rose, or where a variant sat at the store's inventory ceiling, are discarded rather than counted as zero sales.
| Date | Units sold | Est. revenue | Method | Catalogue read | Discarded |
|---|---|---|---|---|---|
| 2026-09-01 | 0 | not measurable | index only | — | 00 |
An estimate, and the page shows what it rests on: which method produced each day, how much of the catalogue could be read, and how many intervals were thrown away. A day marked not measurable is not a day without sales — it is a day we could not defend a number for.
Store facts
Brands carried
Matched on the store's own brand field, so these are exact — not guessed from product names.
Products
| Product | Brand | Price | Was | Off |
|---|---|---|---|---|
| Concord Split Heat Pump (7HPAC-AC) | Concord | 6999 USD | 10,249 USD | −12.2% |
| Goodman GZV6SA | Goodman | 10460 USD | 15,660 USD | −8.7% |
| Daikin DH6VS | Daikin | 12590 USD | 17,990 USD | −6.7% |
| Daikin DH6VS-96 | Daikin | 15740 USD | — | — |
| Daikin DH6VS-80 | Daikin | 14700 USD | — | — |
| Daikin DP5HM | Daikin | 14590 USD | — | — |
| Daikin DP5GM | Daikin | 14370 USD | — | — |
| Daikin DC6VS-96 | Daikin | 13990 USD | — | — |
| Daikin DH5SE-80 | Daikin | 13970 USD | — | — |
| Daikin DH5SE-92 | Daikin | 13800 USD | — | — |
| Daikin DC6VS-80 | Daikin | 13490 USD | — | — |
| Daikin DH4SE-80 | Daikin | 12500 USD | — | — |
| Daikin DH4SE-92 | Daikin | 12500 USD | — | — |
| Daikin DC5SE-80 | Daikin | 12490 USD | — | — |
| Daikin DC5SE-92 | Daikin | 12210 USD | — | — |
| Hisense Hi-Pak | Hisense | 11990 USD | — | — |
| Daikin DH5SE | Daikin | 11370 USD | — | — |
| Daikin DP3HM | Daikin | 10730 USD | — | — |
| Daikin DC4SE-92 | Daikin | 10660 USD | — | — |
| Hisense - Hi-Pro HD Series | Hisense | 10490 USD | — | — |
| Concord Split Dual Fuel - 92% (7HP14F-92) | Concord | 10480 USD | — | — |
| Daikin DH4SE | Daikin | 10240 USD | — | — |
| Daikin DP3GM | Daikin | 10230 USD | — | — |
| Hisense Hi-Ultra HD Series | Hisense | 9960 USD | — | — |
| Daikin DC4SE-80 | Daikin | 9950 USD | — | — |
| Concord Heat Pump Package (RPHPE) | Concord | 9750 USD | — | — |
| Goodman GLZS5 | Goodman | 9650 USD | — | — |
| Concord Split Dual Fuel - 80% (7HP14F-80) | Concord | 9499 USD | — | — |
| Hisense Hi-EDGE HD Series | Hisense | 8990 USD | — | — |
| Concord Gas/Electric Package (RPGE) | Concord | 8980 USD | — | — |
Data collected from a1csi.com's public product feed. Not affiliated with or endorsed by this store. Request removal.