Texcellent A/C Service is your air conditioner service expert in Deer Park & surrounding areas. We install and replace high efficiency Armstrong Air AC units for your home or business. We are licensed, insured and professionally certified.
Armstrong Air offers peace of mind with a 12-Year Parts Warranty, a 2-Year no-hassle labor warranty, and a Unit Replacement Guarantee.
Rebates up to $1,700 on qualifying systems
Additional incentives up to $3,200
Lower Energy Costs • Improved Air Quality
Must be installed by June 30, 2026
Free AirAdvice™ air quality flash report with a scheduled, in-home Comfort Consultation w/ Texcellent Terry.
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Subject to Limited Availability
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As a way of saying thank you, a special discount is available for:
First Responders (Police, Fire, Emergency Medical)
Active Military
Educators
Senior Citizens
Save money and energy with rebates and incentives from your utility provider when you upgrade to a high-efficiency HVAC system.
High-Efficiency Variable-Capacity Heat Pump
Delivers maximum control and precise temperatures
Efficient performance that meets your budget
For those looking for dependable air conditioner installation and replacement services in Deer Park, Texas and surrounding areas, Texcellent provides experienced service with a personal touch. Our team of qualified and certified experts install and replace high-efficiency Armstrong Air AC units for both residential and commercial customers. Our credentials include being licensed, insured, and professionally certified, so you can be assured of the highest level of quality work. We are dedicated to providing a welcoming atmosphere and professional service with a focus on the customer’s best interests. Call us today at 281-402-5100 to schedule your appointment.
Replacing an air conditioning system rarely fits a regular repair budget. We run financing approvals on site and walk through monthly payment options before the work starts. That way you can decide between repair, full replacement, or a financed upgrade with the actual numbers in front of you.
Our financing partners offer terms that fit a range of credit profiles, including same-as-cash promotional periods on qualifying equipment. We disclose the rate, term length, and total cost up front. No surprise paperwork on the day of installation.
Apply For FinancingThe biggest mistake in residential AC installation is wrong-sizing the equipment. An oversized system short-cycles, runs for short bursts, never reaches the long runtimes needed to pull humidity out of the air, and leaves the house cold and clammy. An undersized system runs continuously on hot afternoons and can't keep up. Both wear out faster than a correctly sized unit.
The fix is a Manual J load calculation. Manual J is the residential load calculation standard published by the Air Conditioning Contractors of America (ACCA). It accounts for square footage, ceiling height, window type and orientation, insulation values, infiltration rate, and occupancy. It produces a real number for the cooling load in your specific house, not a rule-of-thumb based on square footage alone.
Texcellent performs in-house Manual J load calculations using ConduitTech, and we partner with third-party engineering firms for full Manual J, D, S, and T designs on larger or more complex projects. The output of that work is correct equipment selection (the S in Manual S), correct duct sizing (Manual D), and a correct supply and return layout (Manual T).
For Deer Park homes, the load almost always comes in lower than what older rules of thumb would predict. That means a smaller, often higher-efficiency unit can do the work. The result is steadier temperatures, better humidity control, lower operating cost, and longer equipment life.
Deer Park sits inside the Houston Ship Channel industrial corridor. That location shapes AC installation work in ways that don't apply to homes 20 miles inland. Ambient air can carry more industrial particulate, which loads filters faster and increases the static pressure the indoor blower has to overcome. Humidity runs high for most of the cooling season, which stresses condensate drainage and accelerates biofilm growth in drain pans and lines.
On the coastal side of town, proximity to the bay and ship channel adds salt carry to the mix. Outdoor condenser coils corrode faster here than in dry climates. We apply protective coatings to condenser coils on replacement installations in high-corrosion pockets, and we factor coil placement into the install plan to keep the unit out of the worst exposure when there's a choice.
Drainage gets extra attention on every Deer Park install. We size condensate lines for the actual cooling load, slope them correctly, and install float switches as a backup against water damage when a line clogs.
For new installations, Texcellent is an Armstrong Air dealer (a Lennox International brand). The Armstrong lineup covers the full efficiency range, from value-tier 14.3+ SEER2 single-stage units up to variable-capacity 22 SEER2 Pro Series equipment. We install central air conditioners, heat pumps, and matched air handlers across that range.
For ductless work, Texcellent is a Samsung mini-split specialist. The Samsung lineup covers single-zone high-wall units, multi-zone Free Joint Multi (FJM) systems, and the CAC Max Heat series for cold-snap reliability. Mini-splits work especially well for additions, garages, sunrooms, and homes that can't easily run new ductwork.
We also install Bosch and Mitsubishi equipment when those brands fit the application better. For service and repair, we handle every major brand sold in this market, including Lennox, Carrier, Trane, Rheem, Goodman, Amana, Bryant, Ruud, York, American Standard, and Heil.
Deciding between repair and replacement isn't always obvious. Here's how we walk customers through it:
For repair-side work, see our AC repair in Deer Park, TX page. If you're not sure which side of the line you're on, schedule a diagnostic visit and we'll walk through the numbers honestly.
Our techs hold NATE, BPI, NCI, NCCER, and EPA Section 608 certifications, and our team includes UA Local 211 union-trained technicians. The BPI and NCI certifications matter specifically for installation: BPI covers building envelope and infiltration testing, NCI covers duct testing and airflow balancing. Most residential HVAC companies don't carry either credential, which means they can't actually verify whether the new system is performing as designed once it's installed.
We commission every installation with static pressure measurement, supply and return airflow verification, refrigerant charge confirmation, and a temperature split check across the evaporator. The system is documented as performing correctly before we hand it off, not assumed to be performing correctly because it's new.
