Pro Business

Duncan Heating & Air Conditioning, Inc. & Plumbing

Lubbock HVAC Companies
Ranked #9 in Lubbock | Grade C+
4.40 (45 reviews)

Duncan Heating & Air Conditioning, Inc. & Plumbing

Heating, air conditioning, and plumbing service for Lubbock homes and small businesses. Calls are handled around the clock with technicians dispatched for urgent issues when available.

Why Homeowners Choose This Business

Local service with 24/7 availability for scheduling, clear communication on findings and options, and experience with both HVAC and plumbing so related issues can be addressed in one visit when possible.

Service Area

Lubbock and surrounding Lubbock County communities. Call to confirm coverage.


How This Business Compares

A quick local comparison based on ranking, review strength, and market visibility.
  • Has an established presence within this local market.

Trust Signals

Emergency Service - Phones answered 24/7 with dispatch based on urgency and availability.
Licensing - Texas HVAC License: TACL-?; Texas Plumbing License: M38975

Services Covered

  Plumbing Services
  Renovation Services
  Supplier
  HVAC repair
  Maintenance
  AC Repair
  Installations
  Heating Repair
  Repairs
  Furnace Replacement
  Air Conditioner Installation
  Plumbing Repair
  Gas Leak Repair
  Water heater service
  HVAC Maintenance
  Refrigerant line repair
  Thermostat Replacement
  Ductwork Repair

Heating and air conditioning repair, maintenance, and system replacement; gas leak locating and repair; A/C refrigerant line repair; plumbing service; water heater service; and new equipment installation.


Recent Reviews

4.40

(Based on 45 reviews)

Reviews frequently mention quick response times, including weekend and severe-weather calls. Several customers note clear explanations from technicians and updates during longer repairs. There are also a few reports of repeat visits for the same issue and concerns about time and cost on those jobs. Overall ratings trend positive with many long-time customers referencing consistent service.

Called on Sunday morning at 8:00 am during an extreme winter event. Got a return phone call from Barbara within 5 minutes. She dispatched Steven and he was here within an hour. Steven did a great job explaining the issue and got us fixed up as quickly as possible. We have done business with Duncan for almost 10 years and appreciate their professionalism. Steven and Barbara just reinforced our opinion. Thank you Duncan for your great service.

They have been out to my house 2 times in one week and I’m still having the same problem… 2 hours the first day and 5 hours the second day.. would not recommended I feel like they are just milking my time and money..

ATMOS told me I had a gas leak, so they locked out my gas; no hot water. Duncan Heating & A/C came out almost immediately. It took about three days to find and repair the leak. Casey did a fantastic job! I really enjoyed interacting with him throughout the process. He made sure that I understood what he was doing, and he repaired everything much better than it was previously. I've already recommended Duncan Heating & A/C to my colleagues at work.

Our air conditioner went out and they were so prompt at getting a technician here within 2 hours of our calling them. We had to get a new unit and they kept us informed about shipping and when it got here they installed it the next morning. We have used Duncan for 30 years and they are a great group of folks.

I accidentally ran over the Freon pressurized pipe for the ac with my lawn mower. On a Sunday of course. I was so upset, calling everywhere I could to get quotes. Every place I called, and it was a ton of places available 24/7, quoted me at at least $1600 and said it would take hours to replace and they couldn’t get to it same day. Called Duncan, they were here within the hour, fixed it within an hour and charged me $561. They are amazing! Will forever use this company!!!! So kind, helpful, fast, trustworthy, and they don’t take advantage of you and price gouge. Thank you, Duncan!!!!

Write a Review

Share your experience with this business. Reviews are moderated before they appear publicly.


Special Offers

Emergency Service

Emergency service may be available for urgent issues.


Frequently Asked Questions

Yes, the office and dispatch respond to calls at all hours. Availability for technician dispatch depends on urgency and current workload, but customers regularly report same-day or next-day help.

Yes, technicians can locate and repair gas leaks and coordinate with utility lockouts. Time to complete repairs varies based on the location and extent of the leak and any code requirements.

Yes, the team can repair damaged refrigerant lines and recharge systems as needed. Technicians will assess the damage on site and review repair options and costs before work begins.

Technicians service most major residential and light commercial brands. During the visit, they will advise if any brand-specific parts or lead times may affect the repair.

Call the office to schedule an on-site assessment. A technician will evaluate system size needs, discuss efficiency options, and provide a written estimate with timelines.
 Verified Listing

Opening Hours


  • Monday Open 24 hours
  • Tuesday Open 24 hours
  • Wednesday Open 24 hours
  • Thursday Open 24 hours
  • Friday Open 24 hours
  • Saturday Open 24 hours
  • Sunday Open 24 hours

Request Service


Business Details


Business Rating
4.40 (45 reviews) Pro Business
Address
7437 Marsha Sharp Fwy W, Lubbock, TX 79407
Phone
Business Type
service

Location Map

Own This Business?


Claim this profile, improve your listing, and upgrade to Pro or Featured visibility.

Claim This Business