
Killeen · Harker Heights · Copperas Cove · Fort Cavazos · Temple · Belton
HVAC Contractor in Killeen, TX
Residential & light commercial air conditioning and heating services in Killeen, TX. Family-founded in 1973, we deliver honest diagnostics, same-day repairs on all brands, heat pump expertise, and 24/7 emergency service when Central Texas heat cannot wait.
- Texas ACR Lic. #TACLB23981E
- 3.8★ from 57 Google reviews
- Licensed & insured
- 24/7 emergency service
- Rheem Team Dealer
- Goodman Team Dealer
- EPA-certified techs
- Serving Killeen since 1973
- Free estimates
- Easy financing
- 10-Year Equipment Warranty Available on Matched Systems
Serving Killeen & Central Texas Since 1973
A local Killeen HVAC name built on family values & honest work
Started in 1973 by Oliver Kilpatrick with one service truck out of a backyard shed, Quality Heating & Air Conditioning has served Killeen, Harker Heights, Nolanville, Belton Lake, and Fort Cavazos (historically known as Fort Hood) through three generations of local family leadership. We have helped generations of Central Texas families keep their homes cool through grueling 100-degree summers and warm through unpredictable winter northers.
When your air conditioner blows warm air during a July heat wave or your heat pump freezes up in January, you need clear facts—not a high-pressure sales pitch. Our technicians diagnose the root cause with digital multimeters, electronic leak detectors, and airflow gauges. We explain what failed, provide options, and let you make the call.
Operating under Texas ACR Contractor License #TACLB23981E with EPA Section 608 Universal certified technicians, we service all major equipment brands including Rheem, Goodman, Carrier, Trane, and Lennox. From capacitor replacements, air duct sealing, and coil cleanings to whole-house dehumidifiers, dependable HVAC repair in Killeen, and matched system installations, our focus remains on long-term comfort, indoor air quality, and fair pricing.

Address: 1112 Florence Rd, Killeen, TX 76541
Hours: Mon–Fri 8:00 AM – 5:00 PM · Sat 8:00 AM – 12:00 PM
Emergency Service: 24/7 Live Answering
Texas ACR License: #TACLB23981E · EPA 608 Universal
First 30 Minutes of an HVAC Failure
What should you do immediately when your AC quits in Killeen?
When Central Texas summer heat tops 100°F or a winter freeze drops temperatures below freezing, safe and fast action protects your family and equipment. Follow these steps before our technician arrives:
Protect vulnerable occupants and pets
If indoor temperatures climb past 85°F, move infants, elderly relatives, and pets to a cool or air-conditioned space. Call 911 immediately if anyone shows signs of heat illness.
Shut off equipment if you notice electrical smells or sparks
Turn the system off at the digital thermostat. If you smell burning electrical insulation or hear loud buzzing, safely switch off the breaker or outdoor disconnect.
Verify digital thermostat mode and batteries
Ensure the thermostat is set to "Cool" (or "Heat"), set 3 to 5 degrees below ambient temperature, and check for fresh AA batteries if the screen is blank.
Inspect the return air filter immediately
A severely clogged air filter restricts airflow, causing evaporator coils to turn into solid blocks of ice in summer or tripping high-limit switches on furnaces.
Check and reset a tripped circuit breaker once
If the HVAC breaker has tripped, reset it firmly once. If it trips again immediately, leave it off to prevent severe compressor winding damage.
Contain indoor condensate water and call
If water is pooling in the attic drain pan or dripping through ceiling drywall, turn cooling off at the thermostat, place a catch bucket, and call us right away.

Need emergency HVAC in Killeen or 24/7 HVAC service in Killeen?
Live telephone dispatch available 24 hours a day, 7 days a week for prompt HVAC emergency service in Killeen.
Complete Heating & Cooling Services
Expert HVAC solutions for every Central Texas home
Whether your home requires same-day air conditioning repair in Killeen, emergency HVAC service in Killeen, heating repair in Killeen, furnace replacement, heat pump installation in Killeen, ductwork repair in Killeen, or commercial HVAC in Killeen, our technicians deliver complete residential and light commercial climate control.

HVAC Services
Residential & light commercial HVAC services in Killeen, TX — repairs, installs, heat pumps, ductwork & maintenance on all brands.
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AC Repair
Same-day AC repair in Killeen, TX for every brand — capacitors, motors, coils, leaks & drains. Upfront diagnosis before any work.
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AC Installation
New AC and split-system installation in Killeen, TX with Manual J sizing, free estimates and financing options.
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Heating Services
Furnace, heat pump and electric heat service in Killeen, TX — repairs, installs and safety checks before the first norther.
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Furnace Repair
Gas valves, igniters, burners, door switches and blower motors — fast furnace repair in Killeen, TX with CO safety checks.
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Heat Pumps
Heat pump repair, replacement and tune-ups in Killeen, TX — a specialty since the company's 1970s Bell County roots.
Learn moreHomeowner Triage Guide
Identify common HVAC symptoms before calling
Understanding the warning signs helps you take safe immediate action and gives our dispatchers the details needed to send the right parts on the first truck.
| Likely Cause | Warning Signs | Safe First Step | How Urgent | What Gets Tested |
|---|---|---|---|---|
| Clogged condensate drain line | Water leaking into attic secondary drain pan, ceiling water stains, float switch shutting off thermostat | Turn off cooling at the thermostat; place towels or buckets to catch runoff | Same day to prevent ceiling collapse or drywall damage | P-trap, drain line slope, safety float switch, evaporator pan, cleanout port |
| Failed run capacitor or contactor | Outdoor condenser hums or buzzes loudly but the fan does not spin; vents blowing warm room air | Turn system completely off at the thermostat to prevent compressor thermal overload | High urgency in Texas summer heat exceeding 100°F | Microfarad (µF) rating against capacitor specs, contactor point pitting, voltage drop |
| Refrigerant leak or frozen evaporator coil | Solid frost or ice on suction line and air handler cabinet, weak cooling, hissing sound | Turn cooling mode off and switch fan to "On" to melt coil ice; change dirty filter | Prompt attention required; do not run cooling while iced | Electronic leak detector search, evaporator coil braze joints, line set, operating pressures |
| Tripped breaker or electrical fault | Outdoor unit has no power, breaker instantly trips on start, faint electrical burning smell | Reset breaker once only; if it trips again immediately, leave it off | High urgency; do not repeatedly reset tripping breakers | Compressor windings to ground, condenser fan motor, disconnect box fuses, 240V wiring |
| Heat pump iced or stuck in defrost | Unit encased in solid ice during winter freeze, auxiliary heat strips running constantly, cold indoor air | Switch thermostat to Emergency Heat mode if outdoor coil is completely choked with ice | Same day during freeze warnings | Defrost control board, ambient sensors, reversing valve solenoid, auxiliary heat sequencers |
| Attic duct leakage or restrictive return | Hot second story or back bedrooms, excessive indoor dust, high electric bills, clammy rooms | Inspect return air filters and ensure supply grilles are fully opened | Schedule a comprehensive airflow audit | Static pressure, return grille velocity, attic flex duct connections, plenum seals |
Helpful photos to take when scheduling
- The digital thermostat display showing mode, temperature set point, and any error icons
- The outdoor condenser data plate showing manufacturer, model number, and serial number
- The indoor air handler or furnace cabinet and drain line pan in the attic or utility closet
- Any visible ice accumulation along copper refrigerant pipes or water collecting around equipment
- Hail impacts or dented condenser fins following severe Central Texas thunderstorms

Our transparent 6-step service process
- Call and live triage: Describe your symptoms, equipment type, and address. We determine whether you are facing an active emergency (such as water leaking into living spaces or severe heat exposure) and dispatch an experienced technician.
- Thorough diagnostic testing: We perform complete electrical, mechanical, and refrigeration checks including capacitor ratings, contactor resistance, static airflow, temperature splits, and refrigerant pressures.
- Explain the finding clearly: We show you the exact failed component, multimeter reading, or coil condition. You see the evidence first-hand with clear explanations.
- Written options with pros and cons: We present repair-versus-replace options with transparent, upfront pricing. You decide what fits your home and budget best without sales pressure.
- Expert repair or precision installation: Repairs are executed using OEM-grade parts. New installations follow strict ACCA Manual J load calculations, proper line-set brazing with nitrogen purge, and local Texas building permits.

Diagnostic Precision & Field Standards
Calibrated instruments on every Killeen service truck
Accurate HVAC diagnostics require specialized digital tools. Our technicians carry digital manifold sets, micron vacuum gauges, wireless refrigerant scales, and dual-port manometers to verify system health before leaving your property.






Honest Math & Transparent Quotes
Should you repair or replace your aging AC system?
In Killeen, where summer cooling equipment runs up to 16 hours a day, deciding whether to invest in another repair or replace an aging system requires clear financial and mechanical facts. We never push replacements when an honest repair will give you years of reliable comfort.
We use the industry-standard 50% Rule: if the system is over 10 years old and the repair cost exceeds 50% of the equipment value, replacement is usually the wiser long-term investment. Equipment sizing and system selection follow ACCA Manual J load calculations, Manual S equipment selection, and Manual D duct design standards rather than crude square-footage guesswork.
Key evaluation questions we walk through together:
- •What is the age of the system? Most Central Texas systems running heavily in extreme summer heat reach the end of their design life between 12 and 15 years.
- •Does the unit use phased-out R-22 refrigerant? Older R-22 systems face steep refrigerant costs; upgrading to modern R-410A or R-454B equipment provides long-term reliability.
- •Is the repair cost approaching 50% of the replacement value? Applying the 50% rule helps avoid sinking money into a system with impending secondary failures.
- •Are your monthly electric bills climbing steadily due to declining compressor efficiency or leaky ductwork?
- •Does your current system maintain steady comfort, or does your home suffer from high humidity and uneven cooling between rooms?

Flexible HVAC Financing Available
A sudden system failure should not drain your savings. We offer flexible monthly financing plans with fast credit decisions, helping Killeen homeowners install modern high-efficiency systems comfortably.
Local Cost Transparency
Published Central Texas HVAC repair & replacement planning ranges
Evaluating your options for AC replacement in Killeen or standard HVAC installation in Killeen, TX? Published 2026 Central Texas HVAC service data provides the following regional planning benchmarks. Because every home has unique ductwork, tonnage, and electrical configurations, an on-site diagnostic inspection and written estimate are required before work begins:
| Service Scope | Regional Planning Range | Key Cost Factors | What Is Included |
|---|---|---|---|
| Diagnostic / Service Call | $75 – $150 | Travel distance across Bell/Coryell county, after-hours emergency, electrical testing | Comprehensive multimeter testing, refrigerant gauge check, airflow review; credited toward approved repairs |
| Standard AC Repair | $150 – $650 (Avg. ~$350) | Capacitor, contactor, condenser fan motor, condensate drain flush, hard start kit | OEM-spec replacement components, electrical verification, and complete cooling performance test |
| Compressor Replacement | $1,000 – $2,900 | Tonnage, single-stage vs. two-stage inverter, refrigerant recovery and recharge | New compressor, liquid-line filter drier, nitrogen purge, deep vacuum evacuation to 500 microns, fresh refrigerant |
| Complete Central AC Replacement | $3,900 – $11,800 | System tonnage, 14.3 to 18+ SEER2 efficiency, heat pump vs. gas split, ductwork modifications | Manual J load calculation, Manual S equipment selection, matched AHRI units, city permit, 10-year warranty |

What every legitimate HVAC estimate in Texas must specify
Never accept a vague one-line estimate. Texas regulations and manufacturer warranties require matched AHRI equipment ratings, proper load sizing, and documented electrical and ductwork scope:
| Quote Item | Specification Detail | Why It Matters in Central Texas |
|---|---|---|
| Load Calculation & Sizing | ACCA Manual J load calculation & Manual S equipment selection | Oversized systems short-cycle and fail to control humidity; undersized systems cannot hold temperature in 100°F+ heat |
| Matched AHRI Certificate | Matched condenser, indoor evaporator coil, and furnace/air handler model numbers | System efficiency, SEER2 ratings, and factory warranties require certified AHRI equipment matches |
| Refrigerant Handling & EPA 608 | R-410A or next-gen R-454B handled by EPA Section 608 universal certified technicians | Complies with federal Clean Air Act regulations and ensures zero atmospheric venting during recovery |
| Duct Evaluation & Duct Sealing | Manual D duct design review, static pressure test, and mastic duct sealing | Leaky attic flex ducts waste up to 30% of cooling capacity and draw 140°F attic air into living spaces |
| Electrical Disconnect & Whip | New weather-tight disconnect box, fuses, and electrical whip | Prevents electrical fires and ensures safe technician servicing during maintenance visits |
| Condensate Safety Controls | Primary drain P-trap, secondary drain pan, and overflow float switch | Protects ceilings and drywall from catastrophic water damage when humidity condensing is heavy |
| City Permits & Inspection | Building permit pulled with the City of Killeen or applicable municipality | Mandatory by Texas law; guarantees installation passes municipal building safety codes |
| Commissioning & Startup Data | Static pressure, temperature drop (split), voltage, and refrigerant subcooling/superheat | Verifies that equipment operates at factory specifications from day one |
| Equipment & Labor Warranty | Manufacturer 10-year parts warranty and contractor labor warranty terms in writing | Protects your investment against premature component failures and installation defects |
Prevent Breakdowns Before They Happen
Central Texas seasonal HVAC care calendar
Central Texas weather swings from freezing winter northers to triple-digit summer heat waves. Regular seasonal maintenance protects system lifespan and keeps utility bills manageable.
March–April (Spring Preparation)
Outdoor coil washing to remove cottonwood seed fluff and cedar pollen; run capacitor testing and condensate drain line flushing before initial 90°F heat.
May–September (Peak Cooling Season)
Peak cooling operation: diagnosing no-cool calls, replacing heat-stressed capacitors, clearing condensate clogs, and emergency replacements.
October–November (Fall Heating Tune-Up)
Heating safety check: inspecting electric heat strip sequencers, gas burner cleanliness, igniters, flue drafting, and testing carbon monoxide detectors.
December–February (Winter Freeze Watch)
Monitoring heat pump defrost cycles, checking auxiliary emergency heat kits during cold northers, and addressing freeze-related power outages.


Spring Hail & Severe Storm Response
Can a contractor repair an outdoor AC unit damaged by hail?
Central Texas spring weather frequently brings severe supercell thunderstorms with heavy hail. When hailstones smash into an outdoor condenser, the soft aluminum coil fins can be instantly crushed flat. Crushed fins restrict heat transfer, causing head pressures to skyrocket and compressors to overheat.
We inspect hail-damaged units throughout Bell and Coryell counties, test motor bearings and electrical components, comb damaged fins where feasible, and provide comprehensive photo reports and itemized replacement estimates for insurance adjusters.
Storm damage response checklist:
- Shut off electrical power to the outdoor unit at the disconnect box if heavy debris or water has entered the condenser.
- Photograph all sides of the outdoor unit, paying close attention to flattened condenser fins, dented top grilles, or cracked fan blades.
- Inspect the copper line set and insulation jacket for punctures, flattening, or refrigerant oil stains.
- Contact your homeowners insurance carrier to initiate a storm claim before equipment is altered or discarded.
- Request a professional written HVAC storm-damage assessment and insurance-compliant replacement quote.

Need an Insurance Assessment in Killeen?
We work directly with homeowners to document hail, lightning, and wind damage to HVAC equipment with high-resolution photography and written mechanical reports.
Review storm damage HVAC checklistBell County & Surrounding Communities
Communities we proudly serve across Central Texas
Based at 1112 Florence Rd in Killeen, our service vehicles travel daily across Bell, Coryell, Lampasas, and northern Williamson counties.
What Central Texas homeowners say about Quality Heating & Air
Genuine feedback from customers across Killeen, Harker Heights, and Bell County.
3.8 out of 5 from 57 Google reviews
“I should not tell you how pleasant it is to be able to text your air conditioner company and have them respond and show up when they say they will. They absolutely fix everything that has an issue. They are pleasant to deal with. The reason I should not tell you this is that you will use them and if everyone starts to use them then they will be busy. But good service and people should be rewarded. Cory is the owner and I highly recommend his work ethic and responsiveness. Great prices as well. You have air issues? Use this company.”
- Responsiveness
- Punctuality
- Quality
- Value
Services: Air conditioning repair & service
“I called on a Saturday at 8am, problem was fixed by 9:30am!!! Excellent service and Max was super friendly, honest and professional. Highly recommend this company!!! Five stars.”
- Weekend emergency service
- Punctuality
- Professionalism
Services: Emergency Saturday AC repair
Response from the owner: Thank you for your kind words. We appreciate your business and look forward to future business with you.
“Awesome place! They came out and did an estimate on my a/c that was freezing over. Determined it needed cleaning. I had them come out after an estimate of $350-$400, when I was quoted $500 by a different company not long before. The guys Dale and Max were very nice and professional. They came in pulled the coils and cleaned them. They put everything back and cleaned up. They treated myself and my family with respect and were very nice to our cats as we run a rescue in our home. Max is allergic to cats and never once complained! I will continue to use their company for my heating and air conditioning needs! The final cost was $375 for them to pull and clean my a/c coils. Very affordable!!”
- Fair pricing
- Quality workmanship
- Clean work area
- Affordability
Services: Frozen AC coil cleaning & diagnosis
Response from the owner: Thank you for your kind words. We appreciate your business and look forward to future business with you.
“I have been a customer of Quality Heating and Air for almost 30 years. When I needed a new ac unit I gave them a call. Jennifer, Kelly, and Max are the best. They came out quickly and took care of me. They are always polite and respectful, and are honest and don't try to rip you off, do yourself a favor and give these good folks a call.”
- 30-year loyalty
- Honesty
- Fast replacement
- Respectful staff
Services: New AC unit installation & long-term maintenance
Response from the owner: Thank you so much for your review. We appreciate you, and look forward to the future business with you.
“Good prices, good customer service and I am just so thankful that I contacted them!! They just fixed my air today and the last person said it needed refrigerant, they came and saw it was my backed up drain and they fixed it and I have air!! After weeks of sweating and fighting this heat, they fixed my air!!! I will definitely use them again.”
- Accurate diagnosis
- Honesty over upselling
- Fair price
- Immediate cooling
Services: Condensate drain line clearing & diagnostic
Response from the owner: Thank you for your kind words, we appreciate it. We look forward to serving you in the future.
“These guys are great! Even though we compete one of my servicemen hurt his back while working on someones AC. A quality heating and air tech across the street saw this and came over and helped him complete job. "PURE CLASS". I cant say enough how much we respect Jerry Kilpatrick and ALL his employees. We are all out here in this heat together and its great to know you have brothers from another mother that have your back.”
- Integrity
- Community brotherhood
- Pure class
- Peer contractor respect
Services: Peer contractor endorsement & community respect


Got Questions?
Frequently asked questions about Killeen HVAC service
Common Killeen HVAC Questions
Why choose a Killeen-based HVAC contractor over a franchise?
Choosing a local, independent Killeen contractor connects you directly with experienced technicians who know Central Texas weather, local ranch and subdivision construction, and Bell County heat loads. Quality Heating & Air Conditioning has served Killeen since 1973 with honest diagnostics, written repair options with pros and cons, and zero corporate sales quotas.
Which Bell County and Central Texas towns do you serve?
We serve Killeen, Harker Heights, Copperas Cove, Fort Cavazos, Nolanville, Belton, Temple, Kempner, Salado, Morgan's Point Resort, Troy, and Gatesville daily across Bell, Coryell, and Lampasas counties. Extended routes across Williamson and McLennan counties are scheduled regularly from our shop at 1112 Florence Road.
Do you answer calls after hours and on weekends?
Yes. Emergency calls are answered 24/7 for dangerous conditions including complete cooling failure in 100°F+ heat, freezing winter temperatures, water leaking through ceilings, or burning electrical odors. Standard maintenance, routine tune-ups, and scheduled equipment replacements are dispatched during regular weekday and Saturday morning hours.
Are you licensed and insured for HVAC work in Texas?
Yes. Quality Heating & Air Conditioning operates under Texas ACR contractor license TACLB23981E issued by the Texas Department of Licensing and Regulation (TDLR). Every technician holds EPA Section 608 certification for safe refrigerant recovery, and the company carries full commercial general liability coverage to protect your home.
What does an HVAC service visit include?
A service visit includes complete mechanical, electrical, and refrigeration testing to identify the root cause of cooling or heating failure. Our technician tests run capacitors, contactor points, blower motor amperage, refrigerant pressures, and condensate drain lines before presenting written repair options with itemized pricing so you can decide without pressure.
Why does high humidity matter when sizing an HVAC system in Central Texas?
High humidity matters because Central Texas comfort requires extracting airborne moisture alongside heat to prevent clammy rooms. An oversized air conditioner cools living spaces too rapidly and cycles off before dehumidifying properly. We calculate Manual J cooling loads to ensure equipment run cycles are long enough to maintain ideal 45% to 55% indoor relative humidity.
Which is better for my home, a heat pump or a traditional air conditioner?
The best choice depends on whether your home has natural gas service. For all-electric homes in Killeen and Harker Heights, a high-efficiency heat pump provides both summer cooling and energy-efficient winter reverse-cycle heating. For homes with existing gas lines, a split air conditioner paired with a gas furnace delivers fast, powerful heat during winter freezes.
Can a contractor repair an HVAC system damaged by hail or a storm?
Yes. Severe Central Texas hailstorms frequently crush soft aluminum condenser fins, restrict condenser airflow, or damage outdoor fan blades and electrical wiring. Our technicians straighten flattened coil fins, test motor bearings, verify refrigerant circuit integrity, and prepare detailed damage photography and written mechanical estimates for your homeowners insurance claim.
How much does AC repair typically cost in Killeen, TX?
Local Central Texas HVAC market research indicates typical AC repairs range between $150 and $650, with an average repair around $350. Diagnostic service call fees typically run $75 to $150 and are applied toward approved repairs. Total cost depends on component testing, refrigerant recovery, and electrical complexity, requiring a written on-site diagnostic estimate.
When should I replace an aging HVAC system instead of repairing it?
You should consider replacement when an HVAC system exceeds 10 to 12 years of age and the repair estimate approaches 50% of the replacement value. In Central Texas, replacing an aging unit running on obsolete R-22 refrigerant with a modern 14.3+ SEER2 system eliminates expensive refrigerant leaks, prevents recurring breakdown costs, and significantly lowers summer electric utility bills.
Have a question about your heating or cooling system? Call us directly and speak with our local team.
Call (213) 423-7827Visit our Killeen headquarters or call for dispatch
Located at 1112 Florence Road in Killeen, our central base allows our technicians to provide fast HVAC service near Killeen, Harker Heights, Nolanville, Belton Lake, and Fort Cavazos (historically Fort Hood). As a licensed HVAC contractor in Killeen, TX, we dispatch fully stocked service vehicles daily across Bell County.
Business details
- Business name
- Quality Heating & Air Conditioning
- Entity
- Family-Owned Business, TX · established 1973 · Active
- Google Business Profile
- Quality Heating & Air Conditioning
- Category
- HVAC contractor
- Dispatch base
- 1112 Florence Rd, Killeen, TX 76541 (Bell County)
- Founded
- January 1973, Killeen by Oliver Kilpatrick
- Hours
- Monday–Friday 8 AM–5 PM; Saturday 8 AM–12 PM · Sunday closed
- Google rating
- 3.8 out of 5 from 57 verified reviews
- Texas ACR license
- TACLB23981E (TDLR regulated & commercially insured)
- Licensing & insurance
- Texas Department of Licensing and Regulation (TDLR) · EPA Section 608
- Equipment brands
- Rheem, Goodman and all major HVAC manufacturers
- Certifications & history
- EPA-Certified Technicians · Rheem Team Dealer · Nest Certified Installation History
- Heritage & experience
- Over 50 years of family-founded HVAC service in Bell County
- Emergency service
- 24/7 emergency response with live phone answering
- Estimates & offers
- Free — System replacement in-home estimates
- Flexible — Monthly payment options from $75/mo with approved credit
- BBB file opened
- June 29, 1981 (BBB profile on record)
- Community involvement
- Texas Special Olympics Sponsor · Killeen & Ellison High School Youth Athletics · Fort Cavazos Military Move-In HVAC Support
- Service types
- Residential & light commercial air conditioning, gas & electric heating, heat pump systems, ductwork design & repair, ductless mini-splits, indoor air quality, 24/7 emergency repair
- Leadership lineage
- Founded by Oliver Kilpatrick (1973); three generations of Kilpatrick family leadership
- Estimates & payment
- Cash · Credit Card · Financing available · Free replacement estimates
- Phone
- (213) 423-7827
Find us online
Map of 1112 Florence Rd, Killeen, TX 76541. Directions to Quality Heating & Air Conditioning are on our Google Business Profile.
