The September 2026 Picks Index is live. See who Grok, Meta Muse and Instinct named across 73 cities and 21 trades.
picked by agents

Picked by Agents index · AC and heating repair in Denton, TX

“I need a new AC unit installed in Denton, TX. Who should I get quotes from, and roughly what will it cost?”

We asked Grok, Meta Muse and Instinct this exact question in September 2026. Below is who each one picked, who it shortlisted, and who it looked at and passed on, in its own words.

Grok

United States · xAI Grok Bot, a cloud agent with its own browser · asked 2026-09-28 17:47 UTC

  1. searched AC installation Denton TX
  2. searched best AC replacement company Denton TX reviews
  3. searched new AC unit cost Denton TX 2026
  4. searched AC replacement cost Dallas Fort Worth 2026
  5. searched BBB accredited heating and air conditioning Denton TX A+
  6. searched Best Pick Reports HVAC Dallas Fort Worth Denton 2026
  7. searched Work Environmental Systems Denton TX AC installation reviews
  8. searched Strittmatter Denton BBB reviews
  9. searched Cote's Mechanical Denton acquired 2025 new ownership
  10. searched AMC Services Inc Denton TX BBB heating air conditioning
  11. searched Allied Air Conditioning Solutions Denton TX
  12. searched hvacservice.io Denton TX AC installation
  13. searched Denton Municipal Electric GreenSense AC rebate 2026
  14. searched 25C energy efficient home improvement credit expired December 31 2025 central air conditioner
  15. searched HomeGuide central air conditioner replacement cost 2026
  16. searched homeguide.com central air conditioner installation cost
  17. searched Angi AC replacement cost 2026 average
  18. searched CoServ HVAC rebate 2026 air conditioner
  19. searched Oncor residential HVAC incentive program 2026 Home Energy Efficiency
  20. searched "Work Environmental Systems" Denton yelp
  21. searched "AMC Services" Denton TX reviews AC replacement Trane
  22. searched Allied Air Conditioning Solutions SBC Allied Solutions Denton BBB
  23. read 49 pages
    • https://www.bbb.org/us/tx/denton/profile/air-conditioning-contractor/work-environmental-systems-inc-0875-7000772
    • https://www.bbb.org/us/tx/denton/profile/air-conditioning-contractor/work-environmental-systems-inc-0875-7000772/complaints
    • https://www.bbb.org/us/tx/denton/profile/residential-air-conditioning-contractors/morrisons-heating-and-air-0875-90405429
    • https://www.bbb.org/us/tx/denton/profile/air-conditioning-contractor/triple-a-air-conditioning-0875-1002163
    • https://www.bbb.org/us/tx/denton/profile/commercial-air-conditioning-contractors/cotes-mechanical-heating-air-conditioning-0875-90017448
    • https://www.bbb.org/us/tx/denton/profile/commercial-air-conditioning-contractors/cotes-mechanical-heating-air-conditioning-0875-90017448/complaints
    • https://www.bbb.org/us/la/pineville/profile/air-conditioning-contractor/southern-air-llc-1015-380
    • https://www.bbb.org/us/la/pineville/profile/air-conditioning-contractor/southern-air-llc-1015-380/complaints
    • https://www.bbb.org/us/tx/denton/profile/heating-and-air-conditioning/strittmatter-air-conditioning-heating-inc-0875-90038054
    • https://www.bbb.org/us/tx/crossroads/profile/commercial-refrigeration/a-m-c-services-inc-0875-36000279
    • https://strittmatters.com/air-conditioning/installation/
    • https://hotorcold.net/
    • https://business.dentonchamber.org/list/member/work-environmental-systems-inc-5008430
    • https://prosgrade.com/hvac/denton
    • https://prosgrade.com/hvac/denton/work-environmental-systems
    • https://prosgrade.com/hvac/denton/allied-air-conditioning-solutions
    • https://prosgrade.com/hvac/denton/amc-services-inc
    • https://prosgrade.com/hvac/denton/cogburns-service-general-dba-cogburns-heating-air
    • https://prosgrade.com/hvac/denton/cogburns-service-general-dba-cogburns-heating-and-air
    • https://prosgrade.com/hvac/denton/morrisons
    • https://prosgrade.com/hvac/denton/triple-a
    • https://prosgrade.com/hvac/denton/cotes-mechanical-llc
    • https://www.frostyshvac.com/ac-replacement-denton-tx
    • https://www.cotesmechanical.com/
    • https://www.cotesmechanical.com/customer-guarantee
    • https://www.trustindex.io/reviews/www.cotesmechanical.com
    • https://www.amcservicesinc.com/
    • https://amcservicesinc.com/about-us/
    • https://allfixhvac.com/fix-air-conditioner-near-me/amc-services-inc/
    • http://morrisonsheatingandair.com/
    • https://www.dfwairconditioning.com/
    • https://chilltx.com/
    • https://chilltx.com/about-allied-air-conditioning-solutions/
    • https://www.alliedsolutionsonline.com/
    • https://airzoneexperts.com/denton-tx/
    • https://homeguide.com/tx/denton/central-air-conditioning-installation/
    • https://data.texas.gov/resource/7358-krk7.json
    • https://dentonhomeservices.com/blog/ac-installation-cost-denton-tx
    • https://coldfactor.com/how-much-does-ac-replacement-cost-in-dfw-2026-pricing-guide/
    • https://www.costadia.com/hvac/central-ac-installation/dallas-tx
    • https://dfwaircost.com/denton
    • https://homeguide.com/costs/ac-replacement-cost
    • https://homeguide.com/costs/install-ac-unit-cost
    • https://www.angi.com/articles/how-much-does-it-cost-replace-central-air-conditioning-unit.htm
    • https://www.cityofdenton.com/1192/Sustainability-Incentives
    • https://www.coserv.com/energy-solutions/energy-savings/energy-saving-programs/
    • https://www.oncor.com/content/oncorwww/us/en/home/save-energy/home-energy-efficiency-programs.html
    • https://www.oncor.com/content/dam/oncorwww/eepm/documents/residential-resources/2026/2026%20RES_HEE%20LIW_KICKOFF_01_14_26_FINAL.pdf.coredownload.pdf
    • https://www.irs.gov/newsroom/faqs-for-modification-of-sections-25c-25d-25e-30c-30d-45l-45w-and-179d-under-public-law-119-21-139-stat-72-july-4-2025-commonly-known-as-the-one-big-beautiful-bill-obbb
Picked

Work Environmental Systems, Inc.

https://www.bbb.org/us/tx/denton/profile/air-conditioning-contractor/work-environmental-systems-inc-0875-7000772
“This company is based on Fort Worth Dr in Denton and has been in business since 1969; its BBB profile shows an A+ rating, BBB accreditation since 2005, and zero complaints, it holds an active Texas contractor license (TACLA2121C, Denton County, expires 07/2027), and ProsGrade shows 4.8 stars from 121 reviews, although its website publishes no warranty terms, brands, or prices.”
Shortlisted · 2nd choice

Cote's Mechanical (Cote's Heating & Air Conditioning)

cotesmechanical.com
“This Denton company has by far the most reviews I found (4.8 stars from about 1,490 on ProsGrade and 1,542 on Trustindex), is BBB accredited with an A+ rating, holds an active license (TACLA29793C), and publishes a 10-year parts-and-labor guarantee and a money-back guarantee on new systems; the catch is that Louisiana-based Southern Air LLC bought it in March 2025, and the parent company's BBB file shows 142 complaints in three years across all of its locations.”
Shortlisted · 3rd choice

Allied Air Conditioning Solutions

prosgrade.com
“This is a family-owned Denton company at 1210 Duncan St, open since 2013, with a 5.0-star rating from 132 reviews on ProsGrade; it is a Rheem/Ruud Pro partner and Mitsubishi Diamond dealer, offers financing through Synchrony, and appears to hold an active license under SBC Allied Solutions LLC (TACLB40432E), although I found no BBB profile for it.”
Passed

AMC Services, Inc.

prosgrade.com
“It came close to the top three with 4.9 stars from 343 reviews, a Denton office open since 2000, Trane equipment, and an active Class A license (TACLA15336C), but its BBB profile is not accredited and says Not Rated, and one detailed negative review (reposted by an aggregator site) alleges a badly installed duct and filter box.”
Passed

Morrison's Heating and Air

morrisonsheatingandair.com
“It is a family-owned Denton company open since 2009, with a BBB A+ rating, an owner license (TACLB28675E), and dealer status for Goodman, Carrier, Daikin, and American Standard, but it has only 46 reviews (4.8) and its BBB page says it is not accredited.”
Passed

Frosty's HVAC

frostyshvac.com
“It publishes clear price tiers, a Manual J load calculation, and an active license (TACLA126718E), but it is based in Farmers Branch about 40 minutes away, its base tier carries only a 1-year labor warranty, it asks for a 50% deposit, and its page still advertises the expired federal 25C tax credit and says Denton is on CoServ.”
Passed

Air Zone Experts

airzoneexperts.com
“It is licensed (TACLA67231E), veteran-owned, and a Trane dealer, but it is based in Little Elm, its claim of 400+ five-star reviews comes only from its own site, and the same page gives conflicting ages for the business (since 2008 versus more than 20 years).”
Passed

C & G Services

homeguide.com
“It shows 4.9 stars from 48 reviews and 22+ years in business on HomeGuide, but that listing was the only page I saw, so I could not confirm its location, license, or BBB standing.”
Passed

Cogburn's Heating & Air

prosgrade.com
“It has 4.7 stars from 326 reviews and a Denton address on ProsGrade, but the listing gives no phone number or website, and I could not verify its license, install warranty, or BBB status.”
Passed

Varsity Zone HVAC (DFW Air Cost)

dfwaircost.com
“It posts clear Denton prices and a 10-year parts-and-labor warranty, but the site gives no address, license number, or reviews I could check, so I used it only as a price reference.”
Passed

Cold Factor Heating & Air Services

coldfactor.com
“It is based in Roanoke and Flower Mound rather than Denton, I only read its pricing guide, and that guide still claims federal tax credits last through 2032, which is out of date.”

Meta Muse

United States · Meta Muse via a research connector · asked 2026-09-28 17:50 UTC

  1. searched best AC installation companies Denton TX reviews replacement quotes
  2. searched best AC repair company Denton TX reviews Angi Google ratings 2026
  3. searched 24 hour emergency AC repair Denton TX same day reviews
  4. read 6 pages
    • https://www.homeadvisor.com/tloc/Denton-TX/Thermostat-Install-or-Replace/
    • https://homeguide.com/tx/denton/central-air-conditioning-installation/
    • https://pro.porch.com/denton-tx/air-conditioning-installation/cs
    • https://strittmatters.com/
    • https://www.acdirect.com/blog/how-much-does-it-cost-to-replace-an-ac-unit-in-dallas/
    • https://www.citybiz.co/article/895342/how-much-does-it-cost-to-replace-an-hvac-system/
Picked

Strittmatter Plumbing, Heating and AC

strittmatters.com
“Family-owned Denton company (121 W Hickory St) providing installation and repair, with 4.5 stars across 65 reviews and reviewers praising thorough, honest work on installs and diagnostics.”
Passed

BCI Mechanical

bcimechanical.com
“Denton-based since 1984 with 4.8 stars but only 20 reviews, and it leans commercial/mechanical rather than residential installs.”
Passed

One Hour Heating & Air Conditioning of Denton

onehourairdenton.com
“Strong Denton installer (4.7/324+ reviews, 24/7) but as a national franchise it may price above local shops.”
Passed

Frost Heating and Air

homeguide.com
“32+ years serving Denton but only 1 HomeGuide review, so too little evidence to recommend.”

Instinct

Europe · Instinct over iMessage · asked 2026-09-28 19:00 UTC

  1. searched Denton TX new AC unit installation cost 2026 quotes HVAC
  2. read 5 pages
    • https://www.cogburnsservicegeneral.com/acrepair
    • https://christmasair.com/ac-repair-denton/
    • https://www.frostyshvac.com/ac-repair-denton-tx
    • https://dentonhomeservices.com/blog/ac-installation-cost-denton-tx
    • https://dfwaircost.com/denton
Cogburn's Service General's page as the assistant saw it
Picked

Cogburn's Service General

cogburnsservicegeneral.com
“Denton company since 1999 with licensed techs and a service guarantee, handling installs as well as repairs.”
Shortlisted · 2nd choice

Christmas Air Conditioning & Plumbing

christmasair.com
“Established North Texas installer with a dedicated Denton operation.”
Frosty's HVAC's page as the assistant saw it
Shortlisted · 3rd choice

Frosty's HVAC

frostyshvac.com
“Licensed (TACLA126718E) with flat-rate replacement tiers and free in-home estimates covering Denton.”
Passed

Denton Home Services cost guide

dentonhomeservices.com
“Useful 2026 Denton price guide but not an installer.”
Passed

National AC Solutions

nationalacsolutions.com
“A matching service rather than a local installer you quote with directly.”

How we ran this

We sent each assistant this question as its own message, the way a homeowner would ask it. It searched the web and read business sites on its own. Each answer shows which assistant and version answered and when. We asked it to recommend up to three companies, best first, and to name every other company it looked at and why it passed. Reasons are quoted as given. Screenshots show each page as it looked when we checked it in September 2026. We ask again every month and keep every answer. An answer marked self-reported came from an assistant a person connected to our network; we record the name it gave but have not verified which assistant it is.

Picked by Agents is not affiliated with xAI, Meta, Instinct or any business named here. Recommended means the assistant recommended it. Nothing was booked.

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