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TRUSTED BY KILLEEN, TX HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon291
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Killeen - Updated Nov 2026

Avatar for Bob Jay's HVAC & Plumbing
Bob Jay's HVAC & Plumbing
4.8(
42
)
Central A/C - Service or RepairCentral Air Cleaner - Repair or ServiceElectric Furnace / Forced Air Heating System - Repair+6 more

Serving Killeen, TX and surrounding areas

Approved

In business since 1973

Free estimates

Warranties offered

"I started using Bob Jay's HVAC & Plumbing when I bought my home in 2016 and have been using them every since. Justin and Colby are top notch, very respectful, know what they are doing and get the job done and I have been and will continue to recommend them thanks Bob Jay's!"
New Install Trailer
Retro-fit install
Thermostat
Annual Maintenance
Response time9 hrs
Recommended by100%of homeowners
ColdAir Mechanical
5.0(
40
)
Central A/C - Service or RepairHeat Pump - Repair or ServiceElectric Furnace / Forced Air Heating System - Repair+6 more

Serving Killeen, TX and surrounding areas

Approved

In business since 2003

Warranties offered

Credit card accepted

"I've been hiring Tony from Cold Air Mechanical for about 10 years. First for my apartment management business when my on staff techs couldn't figure out the problem and then at my home. He's always very pleasant to work with and very knowledgeable. Where I've had other HVAC techs try to sell me unnecessary equipment for outrageous prices (thank you Private Equity), he's actually identified the problem and usually has the part in his van at a fair price. While I'm not HVAC certified, I know my way around and I'd definitely recommend Tony."
Response time2 days
27 neighbors recently requested a quote
Recommended by2%of homeowners
Anointed Air
4.8(
26
)
Central A/C - Service or RepairCentral A/C - InstallDuctless Mini-split A/C - Install or Replace+13 more

Serving Killeen, TX and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Theo, the owner is great as an HVAC pro. We asked him to come out for the tune-up going into the summer season. He checked, very thoroughly, both our units. One was good to go, but the other one needed 6lbs of freon. Theo explained everything and showed us everything that he checked. He even tried to work with our home warranty company to see if they would cover the cost of repair/replacement, but they would not. Theo gave us our options and we asked him for his honest recommendation. He said a new unit. Ours is nearly 20 years old and has been repaired several times recently. We went with a new unit and he was able to install it within two days of us talking. He made sure the installation was smooth and with minimal interruptions. His thoroughness have us feeling better about our decision and trust in his judgement and professionalism. Very good HVAC pro and a good guy to do business with during these times."
Response time1 day
Response rate88%
2 neighbors recently requested a quote
Avatar for Prichard's Air Conditioning and Heating, LLC
Prichard's Air Conditioning and Heating, LLC
5.0(
13
)
Central A/C - Service or RepairDucts & Vents - Install or ReplaceElectric Furnace / Forced Air Heating System - Repair+8 more

Serving Killeen, TX and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"The tech was very knowledgeable and skillful. He had to install the new blower fan into the existing fan housing, but he took the existing blower assembly (fan, motor, electrical, and housing) out to his truck in inclement weather to do the work. I offered up my garage, but he said that he would be fine out in his truck. From start to finish it could not have been more than 40 minutes. The blower unit runs and sounds like a brand-new install. Very quiet. Prior to the repair the blower sounded like a freight train passing through the house. Very happy and the cost was reasonable."
Prichards AC Pictures
Prichards AC Pictures
Prichards AC Pictures
Prichards AC Pictures
Prichards AC Pictures

+6

Response time4 hrs
Response rate94%
9 neighbors recently requested a quote
Avatar for Team Enoch HVAC Service Austin
Team Enoch HVAC Service Austin
4.6(
398
)
Central A/C - Service or RepairElectric Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - Repair+2 more

Serving Killeen, TX and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"They showed up quick to fix my thermostat. Robert came back when I had additional problems and was very professional and knowledgeable about the issue and resolved it in a timely fashion. Their price is fair and their service is excellent. Will hire again for any HVAC related work."
Ecobee Thermostat
Goodman Air Handler
Goodman Air Handler
Goodman Outdoor Condenser
Multi-unit Installs

+2

39 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for CenTex Superior Services
CenTex Superior Services
5.0(
30
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+6 more

Serving Killeen, TX and surrounding areas

Approved

In business since 2023

Free estimates

Small jobs welcome

"They did a great job repairing my light fixtures and replacing/repairing my bathroom fan. Their prices were fair and I managed to get quotes for future work. They were friendly and attentive, as well . I will definitely use their services again!"
Ac Service and Repair
Electrical Service and Repair
Response time12 hrs
Response rate90%
7 neighbors recently requested a quote
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Showing 1-10 of 296
Heating and Air Conditioning FAQs, answered by experts

Winterizing can still help you save money on energy costs and help prepare your AC for its work next year when you turn it back on. We suggest planning for at least some maintenance, even if winters are mild in your area.

No. Evaporator coils are designed to work with specific refrigerant types, and they are rated by what kinds of refrigerant they use. It’s indicated with an “R” code. It’s important to match your evaporator coil and refrigerant or your system will not work properly. An AC technician can tell you what type of refrigerant your system needs and what evaporator coils will work with it.

No, you don’t need a ductless unit in every room. Ductless AC units don't work the way that window units do, where the air doesn't travel outside that room. The indoor air handlers all attach to the outdoor condenser. While the air doesn't travel the way that traditional ductwork would, the ductless AC units create zones so that one part of the home can be cooler than another. They can spread effectively enough that indoor units only need to be placed in main living areas.

Yes. It's not just AC filters that get dirty. Ducts can accumulate dust and dirt quickly. Insects and animals can also get into duct systems, creating many problems. Dirt build-up and unwanted guests can constrict the airflow and cause rooms not to cool evenly. You might also see higher energy bills because they're not working as efficiently.

A calculation method that your HVAC contractor will use to ensure your system does what it's supposed to is measuring duct output, or its CFM. The calculation requires knowing the cross-sectional area of the ductwork and determining the air speed past any given point within it.

The Killeen, TX homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.