COMPANY RECORD · BOULDER, CO
Circulating Air Inc — permit history in Boulder, CO
Circulating Air Inc appears on 35 Boulder permit records from 2015 through 2025, most often mechanical / hvac (91.4% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 32 | 91.4% |
| Electrical | 3 | 8.6% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 12 |
| 2018 | 5 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2025 | 5 |
Busiest year on record: 2017, with 12 permits. One project can account for several filings, so read this as filing activity rather than workload.
Where they worked
| Address in source | Most recent permit |
|---|---|
| 3115 20TH ST | 2025-12-16 |
| 285 S 40TH ST | 2025-10-29 |
| 330 31ST ST | 2025-10-08 |
| 30 SOUTH BOULDER CIR 3018 | 2025-07-11 |
| 1468 CASSIN CT | 2025-02-11 |
| 4582 MACARTHUR DR | 2022-12-19 |
| 2637 TUMWATER LN | 2021-08-26 |
| 3686 CHASE CT | 2021-01-27 |
| 5316 DESERT MOUNTAIN CT | 2020-11-04 |
| 4510 COMANCHE DR | 2020-02-12 |
| 1815 NORWOOD AVE | 2020-01-10 |
| 544 MARINE ST | 2018-05-07 |
| 4279 MONROE DR B | 2018-02-12 |
| 761 17TH ST | 2018-01-18 |
31 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $13,000, median $4,500. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
35 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| MEC2025-02244 | 2025-12-16 | Mechanical / HVAC | 3115 20TH ST | replace heater and a/c | $13,000 |
| MEC2025-01883 | 2025-10-29 | Mechanical / HVAC | 285 S 40TH ST | Replace upflow basement forced air furnace. **All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please p | $5,300 |
| MEC2025-01670 | 2025-10-08 | Mechanical / HVAC | 330 31ST ST | **One time 180-day permit extension granted. All work and inspections must be completed by 12/14/2026. Replace furnace in crawlspace **All new plastic glued vents for fuel burni | $7,000 |
| MEC2025-01066 | 2025-07-11 | Mechanical / HVAC | 30 SOUTH BOULDER CIR 3018 | replace 80% heater | $5,000 |
| MEC2025-00225 | 2025-02-11 | Mechanical / HVAC | 1468 CASSIN CT | Replace existing gas forced air furnace | $6,345 |
| MEC2022-02216 | 2022-12-19 | Mechanical / HVAC | 4582 MACARTHUR DR | Replace the existing old heater and a/c system | $6,500 |
| MEC2021-01693 | 2021-08-26 | Mechanical / HVAC | 2637 TUMWATER LN | Add on a/c to existing system | $5,000 |
| MEC2021-00134 | 2021-01-27 | Mechanical / HVAC | 3686 CHASE CT | Replace 60% efficient furnace with a 95% efficient furnace | $4,500 |
| MEC2020-01769 | 2020-11-04 | Mechanical / HVAC | 5316 DESERT MOUNTAIN CT | *Replace existing gas furnace and existing electric a/c unit | $13,000 |
| MEC2020-00229 | 2020-02-12 | Mechanical / HVAC | 4510 COMANCHE DR | *Voided for inactivity - no inspections within 180 days* *Replace forced air furnace in the basement | $3,300 |
| MEC2019-02171 | 2020-01-10 | Mechanical / HVAC | 1815 NORWOOD AVE | *Replace existing furnace with 80% AFUE, 120,000 btu/hr furnace. Replace A/C system with 16 SEER, 48,000 btu/hr AC system. | $10,385 |
| MEC2018-00089 | 2018-05-07 | Mechanical / HVAC | 544 MARINE ST | Replace forced air furnace and add new a/c. | $7,000 |
| ELE2018-00097 | 2018-05-07 | Electrical | 544 MARINE ST | *Voided for inactivity due to no inspections performed within 180 days of issuance.*Electrical A/C hook up. | $650 |
| PMT2018-20080-MEC | 2018-02-12 | Mechanical / HVAC | 4279 MONROE DR B | Replacement Forced Air Furnace | $2,300 |
| PMT2018-20040-MEC | 2018-01-18 | Mechanical / HVAC | 761 17TH ST | *Voided for inactivity - no inspections within 180 days* Replacement Forced Air Furnace | $5,000 |
| PMT2018-00006-MEC | 2018-01-02 | Mechanical / HVAC | 1741 ARAPAHOE AV | Mechanical Permit to replace an existing forced air furnace in attached residential dwelling unit (45k Btus/hr and 80% AFUE) in same location as previous furnace. | $2,300 |
| PMT2017-05500-MEC | 2017-12-14 | Mechanical / HVAC | 770 S LASHLEY LN | *Voided for inactivity due to no inspections performed within 180 days of issuance.*Installation of a replacement 70k BTU, 80% efficient forced air furnace. Installation per manufa | $0 |
| PMT2017-05050-MEC | 2017-11-20 | Mechanical / HVAC | 2995 E EUCLID AV 2 | VOID- 180 days no activity Installation of a replacement 45k BTU, 80% efficient forced air furnace. Installation per manufacturer's specifications. | $2,500 |
| PMT2017-05057-MEC | 2017-11-20 | Mechanical / HVAC | 2995 E EUCLID AV 6 | VOID- 180 days no activity Installation of a replacement 40k BTU, 80% efficient forced air furnace. Installation per manufacturer's specifications. | $2,500 |
| PMT2017-05049-MEC | 2017-11-20 | Mechanical / HVAC | 2995 E EUCLID AV 1 | VOID- 180 days no activity Installation of a replacement 60k BTU, 80% efficient forced air furnace. Installation per manufacturer's specifications. | $2,300 |
| PMT2017-02662-MEC | 2017-06-19 | Mechanical / HVAC | 1790 OAK AV | Installation of a replacement 17 SEER, 3.0 ton A/C system. Installation per manufacturer's specifications. | $4,280 |
| PMT2017-02397-MEC | 2017-06-05 | Mechanical / HVAC | 1530 CHAMBERS DR | Replacement forced air furnance, 80K BTU and 92 percent efficient. | $5,000 |
| PMT2017-01385-MEC | 2017-04-06 | Mechanical / HVAC | 4070 BIMINI CT | Replacement forced air furnace in singel family dwelling, 135K BTU, 80 percent efficient | $3,000 |
| PMT2017-01204-MEC | 2017-03-28 | Mechanical / HVAC | 811 17TH ST | *Voided for inactivity due to no inspections performed within 180 days of issuance.*Installation of replacement of gas-fired, 100k BTU forced air furnace. | $5,000 |
| PMT2017-01205-MEC | 2017-03-28 | Mechanical / HVAC | 503 HAPGOOD ST | *Voided for inactivity due to no inspections performed within 180 days of issuance.*Installation of replacement gas-fired, 80k BTU forced air furnace. | $3,500 |
| PMT2017-01206-MEC | 2017-03-28 | Mechanical / HVAC | 501 HAPGOOD ST | *Voided for inactivity due to no inspections performed within 180 days of issuance.*Installation of replacement gas-fired, 80k BTU forced-air furnace. | $3,500 |
| PMT2017-01207-MEC | 2017-03-28 | Mechanical / HVAC | 815 17TH ST | *Voided for inactivity due to no inspections performed within 180 days of issuance.*Instalation of replacement gas-fired, 100k BTU forced air furnace. | $5,000 |
| PMT2017-00016-MEC | 2017-01-11 | Mechanical / HVAC | 3546 19TH ST | Replace existing upflow gas furnace, 120k BTU, to be located in basement. | $3,360 |
| PMT2016-04279-MEC | 2016-09-12 | Mechanical / HVAC | 3878 BROADWAY 3 | Install replacement forced air furnace in an existing multi-family building. | $2,600 |
| PMT2016-03661-MEC | 2016-08-05 | Mechanical / HVAC | 810 19TH ST | Installation of replacement forced-air furnace and replacing existing ducts in a single family dwelling. | $6,000 |
| PMT2016-00278-MEC | 2016-01-21 | Mechanical / HVAC | 1790 OAK AV | Forced Air Furnace; Basement upflow air furnace. BTU 80 | $4,300 |
| PMT2015-03321-ELE | 2015-08-13 | Electrical | 1626 SPRUCE ST | Replace existing 60,000 btu furnace and add 2 1/2 ton A/C. Located in furnace room closet | $300 |
| PMT2015-03321-MEC | 2015-08-13 | Mechanical / HVAC | 1626 SPRUCE ST | Replace existing 60,000 btu furnace and add 2 1/2 ton A/C. Located in furnace room closet | $7,410 |
| PMT2015-03318-MEC | 2015-08-10 | Mechanical / HVAC | 4822 MACINTOSH PL | Rplace existing furnace and Add A/C | $5,735 |
| PMT2015-03318-ELE | 2015-08-10 | Electrical | 4822 MACINTOSH PL | Rplace existing furnace and Add A/C | $300 |
Fields appear as the issuing authority published them, including spelling and blanks. Scope text is the applicant's description of intended work, not an inspection finding.
Source and limits
Public Boulder permit records through 2025, counted by distinct permit number. This is a historical filing record: it cannot show current backlog, pricing, crew availability, licensing or insurance, and a quiet period may only mean work was filed elsewhere. Confirm anything commercial with the company and with the issuing authority before acting. How we build these records, and what we withhold →