Author name: Chris Crawford

By Chris Crawford, Owner, Spring Branch AC AC maintenance in Houston, TX usually costs between $150 and $350 for a one-off tune-up. Where your visit lands in that range depends on your system and what the visit includes, and parts or refrigerant usually cost extra. At Spring Branch AC, we’ve been servicing air conditioners around Houston since 1956, and we recommend having the whole system checked twice a year. If you want both a spring AC visit and a fall heating visit every year, a yearly maintenance plan usually costs less than paying for each visit on its own. AC Maintenance Cost in Houston, TX Compared to National Prices Houston prices for a single AC tune-up are close to what homeowners pay across the country. Service Typical price One-off AC tune-up in Houston $150 to $350 One-off AC tune-up, national $175 to $350 (average about $250) Yearly maintenance plan, national $150 to $300 per year What Affects the Cost of an AC Tune-Up? Your HVAC maintenance visit cost mostly depends on how much work your system takes and when you book the visit. These are the main things that change the price: What Does a Technician Check During an AC Maintenance Visit? During one of our spring AC maintenance visits, the technician checks the parts that keep your system cooling and looks for worn parts before they cause a breakdown. That checklist covers the basic system found in most Houston homes. Some very high-end systems have more parts to check, so a visit on one of those can cost more. Our technicians aren’t commissioned salespeople. Why Do Houston AC Systems Need Regular Maintenance? Houston AC systems need regular maintenance because they run for most of the year, and every month of running adds wear and dirt. In our experience, a Houston air conditioner runs about nine months out of the year. Houston’s long-term weather averages show average high temperatures of 80°F or more for seven months of the year, April through October. In March and November, average highs are still in the 70s. Over that long season, the outdoor coil, also called the condenser coil, collects dust, pollen, and cottonwood fluff, which blocks the airflow the system needs to push heat out of the house. Houston’s humidity causes a separate problem inside the house. The indoor coil stays wet while the AC runs, and that moisture creates the conditions for bacterial growth and algae. That growth can clog the drain line that carries water away from the system. Is AC Maintenance Worth the Cost? For most Houston homes, AC maintenance is worth the cost. Without maintenance, an air conditioner cools less well and uses more energy over time. Skipping maintenance can also lead to repairs. I always tell people it’s easier and less costly to maintain a system than it is to repair or replace it. Think of the capacitor as a big battery for your unit. Every time the system starts up, the capacitor gives the compressor or the fan motor the initial kick it needs to get running. When a capacitor goes bad, the unit tries to start and can’t, so it sits there and overheats. That overheating can make a bigger part, like the fan motor, fail. On one system I worked on that hadn’t been maintained, the capacitor went bad. The system kept trying to run without a good capacitor, and the fan motor failed. A good maintenance visit would have caught the capacitor, which was about a $75 part on that job. Once the fan motor failed, I had to replace both parts, so a $75 problem became a $375 problem. If a maintenance visit catches a weak capacitor, the AC repair is a new capacitor, and you don’t have to pay for a new fan motor too. Skipped maintenance can also make a system fail early. When air can’t get through a dirty coil, the system has to work much harder. Over the years, that extra strain also makes a system less likely to reach the 15 to 20 years a central AC usually lasts. One homeowner we worked for had a cottonwood tree in her yard. The fluff the tree drops every spring built up on her outdoor coil until the coil was completely covered. Her system failed early, and we pulled out the outdoor unit. My estimate is that annual maintenance would have given her another three or four years with that system. I know a lot of people say, “Really, Chris? It’s just spraying off the coil.” Cleaning the coil once might not make much difference this year. Having the system checked every year is what helps it last longer. Is an AC Maintenance Agreement Worth It in Houston? An AC maintenance agreement is worth it in Houston if you plan to have both your AC and your heating checked every year, because the agreement costs less than booking those two visits separately. Our maintenance agreement costs $169 a year and includes two checkups, one in the spring for the AC and one in the fall for the heating. Keeping the coils and drain lines clean helps lower the chance you’ll need an emergency service call. Cost for one year Paying per visit Spring Branch AC agreement Spring AC tune-up $150 to $350 (Houston price) Included Fall heating tune-up $80 to $300 (national price) Included Total for both visits (Houston AC plus national heating) $230 to $650 $169 The agreement covers the same two visits for $169. Paying for each visit separately at typical prices costs $230 to $650, so the agreement costs about $61 less at the low end of that range and more at the high end. Some price guides list basic AC tune-ups from about $75 and heating visits from about $70, so two visits at those prices could cost less than the agreement. How Often Should You Service Your AC in Houston? Have a technician check your whole system twice a year, once in the spring

The most reliable way to choose an HVAC contractor in Houston is to verify a short list of things any homeowner can confirm on their own: an active Texas license, the right technician certifications, proof of insurance, a real load calculation before any new equipment, and a clear written estimate you can compare against others. Get those right, and one question answers itself. Are you hiring a technician or a salesperson? At Spring Branch AC, we’ve serviced Houston-area homes since 1956 under Texas license TACLB49330E, a number you can look up yourself in about a minute. We run a repair-first shop with no commissioned salespeople, which shapes how we think about this entire decision. The criteria below are the same ones we’d want our own family to use, whether they hire us or someone else. The real question: are you hiring a technician or a salesperson? A licensed company can still send a salesperson to your door. The difference shows up in behavior. A technician diagnoses the actual problem, opens the equipment to look before condemning anything, and recommends the least expensive fix that solves it. A sales-driven operation arrives looking for a reason to sell you a new system. Every criterion that follows maps to something you can verify with a phone, a website, and a willingness to ask. An honest contractor welcomes those questions. A salesperson gets cagey. The same split runs through every point below. Verify the Texas HVAC contractor license first This is the non-negotiable first step. In Texas, residential HVAC companies must hold an active Air Conditioning and Refrigeration (ACR) Contractor License issued by the Texas Department of Licensing and Regulation (TDLR). The license is held at the company level, and it is the single most verifiable thing about any contractor you’re considering. Texas issues two classes. Class A covers units of any size. Class B covers cooling systems up to 25 tons and heating up to 1.5 million BTU per hour, which covers virtually all residential work. License numbers read as TACLA (Class A) or TACLB (Class B) followed by digits. Ours, TACLB49330E, is a Class B license with the environmental air conditioning endorsement that covers home comfort systems. How to check an HVAC contractor’s license in Texas You can confirm any contractor’s license for free at the TDLR License Search. No account is required. Search by company name, city, or license number, then confirm: Texas licenses are valid for one year and require eight hours of continuing education to renew, so an active license also tells you the contractor is keeping current. If a company can’t or won’t give you a license number to look up, that alone is reason to stop. You can see how we present our own credentials on our qualifications page. Ask about technician certifications, not just the company license The company license is the floor. The people who actually show up should carry their own credentials. Think of it as a stack: Trade-association membership, like the Texas Air Conditioning Contractors Association, is a secondary signal that a contractor stays engaged with the industry rather than a credential to hang the whole decision on. Make sure the contractor is insured A Texas ACR license already requires the contractor to carry continuous commercial general liability insurance for as long as the license is active. For Class B contractors, that means at least $100,000 per occurrence. If a contractor’s coverage lapses, they are in violation and can’t legally contract with the public. Ask for a Certificate of Insurance, and if you want to be thorough, call the listed carrier to confirm the policy is active. This matters because if an uninsured contractor’s worker is injured on your property, or damages your home, you can end up exposed. One phone call removes that risk. Insist on a load calculation before any new system The cleanest test of whether you’re dealing with a technician or a salesperson is simple. Ask whether they will perform a load calculation before sizing a new system, and whether you can see it. The industry standard is the ACCA Manual J residential load calculation, an ANSI-recognized method that sizes equipment to your home based on square footage, insulation, windows, orientation, and Houston’s climate. A correct load calculation is required by national building codes for new installations. Matching the old unit’s tonnage or eyeballing it from the curb is not the same thing. Bigger is not better, and in Houston it is actively worse. An oversized air conditioner cools the air fast but shuts off before it runs long enough to pull humidity out, a problem called short cycling. According to ENERGY STAR, an oversized unit leaves a home damp and clammy, creates uneven temperatures, wears out faster from constant stopping and starting, and costs more to run. Efficiency actually improves the longer a unit runs. We see the consequences of oversizing constantly. On one recent call, a family had just bought a home with a 4-ton system serving a space that needed about 2 tons. That oversized equipment was the source of their chronic humidity. Right-sizing the system fixed it. If you are weighing a new system, our guide on how to select a new system walks through the same sizing logic. Know the current efficiency standard (SEER2) in Texas If a contractor quotes you a new system, the efficiency rating should meet current federal minimums. As of January 1, 2023, new split-system air conditioners installed in the southern region, which includes Texas, must meet at least 14.3 SEER2 for systems under 45,000 BTU per hour. SEER2 is the updated rating from a test procedure that better reflects real ductwork, so the numbers run a little lower than the old SEER scale. The “13 SEER minimum” figure you will still see quoted around the web is out of date. You don’t need to memorize the math. Confirm any proposed system meets the 14.3 SEER2 floor, and ask the contractor to state the SEER2 rating in writing on

A complete HVAC system replacement in the Houston area typically costs $10,000 to $22,000 installed when new ductwork is part of the job, with most whole-system replacements landing in the low five figures. A national dataset of recent homeowner projects puts the 2026 average closer to $11,590 to $14,100, and a typical AC and gas furnace setup for a 2,000 to 2,500 square foot home averages around $13,430 before major add-ons. Ductwork, electrical work, premium equipment, and tricky installations push the number up from there. At Spring Branch Air Conditioning & Heating, we’ve replaced systems for Houston-area homeowners since 1956, and we publish our own replacement pricing organized by system size and efficiency tier. We also tell people the truth about what they need, including the times they don’t need a full replacement at all. Real technicians work here, not professional salespeople, so this guide gives you straight numbers and the reasoning behind them, then shows you how to read a quote so you don’t get oversold on a five-figure decision. What is the average cost of a new HVAC system in Houston? For most Houston homes, a full system replacement falls in the low five figures. Here is how the most reliable sources line up: Source Figure What it covers Houston metro estimate $10,000 to $22,000 Complete HVAC replacement with new ductwork 2026 national average $11,590 to $14,100 Full HVAC replacement, based on recent homeowner projects 2,000 to 2,500 sq. ft. home About $13,430 AC and gas furnace system before major add-ons Simpler split-system change-out $3,750 to $7,400 Narrower scope, not a whole-system job The wide spread is the part that matters. The Houston metro range comes from an aggregator that localizes national project costs, while the $11,590 to $14,100 figure is drawn from roughly 56,000 real homeowner projects over six months. Both point to the same conclusion: budget in the low five figures for a typical whole-system replacement, and expect the final number to move based on the specifics of your home. That low-end “$3,750 to $7,400” figure deserves a flag. It reflects a simpler split-system change-out, not a complete system replacement with ductwork and everything else. If a quote comes in well below the broader range, ask exactly what scope it includes before you assume you found a bargain. HVAC replacement cost by system size and efficiency Two factors drive the base equipment cost more than anything else: how big the system needs to be, measured in tons, and how efficient it is, measured in SEER2. Larger systems cost more because they use more material and bigger components. Higher-efficiency systems cost more upfront but use less energy over their life. Equipment-only pricing climbs steadily with tonnage. National figures show roughly $2,100 for a 2-ton unit up to around $3,700 for a 5-ton unit, for the air conditioner alone. Those are equipment numbers, not installed system costs, so a finished Houston job lands well above them once you add the indoor unit, labor, materials, and permits. Efficiency adds another layer. The federal minimum for new split-system air conditioners in the southern zone, which includes Houston, is now 14.3 SEER2. You can install at that floor or step up to higher-efficiency, two-stage, or variable-speed equipment. In Houston’s climate, that upgrade often pays back faster than it would in a cooler market, which we get into below. We publish our own replacement pricing by system size and efficiency tier so homeowners can see real installed numbers rather than aggregator averages. The general shape of it: a smaller, single-speed system sits at the low end, and a larger, variable-speed system sits at the top. Asking for pricing laid out this way is a good habit with any contractor, because it lets you compare apples to apples. What affects the cost of an HVAC replacement? Two quotes for the “same size, same brand” system can still differ by thousands of dollars. Here is what moves the number: When you compare bids, ask each contractor what is included. A higher quote that covers proper ductwork, a permit, and a matched, AHRI-certified system may be a better value than a cheaper one that leaves those out. Why correct system sizing matters more than homeowners think The most common mistake we see in the field is an oversized system. Most systems people buy are too large for the home they are cooling, and in Houston that is a real problem, not a safety margin. An oversized air conditioner cools the house too quickly, then shuts off before it has run long enough to pull humidity out of the air. The federal Department of Energy is direct about this: an oversized unit won’t adequately remove humidity, which leaves indoor air feeling clammy even when the thermostat reads a comfortable temperature. In a humid climate like ours, that is a comfort problem you feel every day. It is a cost problem too. A system that short-cycles, turning on and off in bursts of only a few minutes, runs less efficiently and drives up operating costs, and the constant starting and stopping adds wear that shortens equipment life. Federal guidance ties this directly to oversizing: a unit that is too large cools fast but cycles off before it does its job. That is why the Department of Energy stresses getting the size right in hot, humid climates rather than treating extra capacity as a safety margin. The right way to size a system is a load calculation, not a square-foot guess or a “replace it with the same size that was here” shortcut. At Spring Branch, we run that calculation on the specific home rather than guessing. We have walked into houses with a unit several times larger than the roughly 2 tons the space actually needed, and the result was chronic humidity and the growth problems that come with it. The bigger equipment created the problem. It did not solve it. Should the indoor coil be replaced with the outdoor unit? Yes. Split systems are designed