Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Fast, Reliable Heat Pump Installation Across La Marque
Heat pump installation in La Marque typically runs $3,500 to $7,500 for a full system replacement, and the job usually takes one to two days once equipment is on hand. We respond to La Marque calls daily from our Houston dispatch office, with a real person answering the phone 24/7 at (361) 306-9515. What slows most La Marque heat pump jobs down isn’t the compressor or the outdoor unit. It’s the ductwork, the return air path, and whether anyone actually measured the house before quoting the equipment. That’s where we start.
We know La Marque’s housing stock from Highland Bayou to the neighborhoods off FM 1765 and around Gulf Greyhound Park. The humidity here means a heat pump’s latent-load removal matters as much as its heating BTUs, and that changes how the system should be sized and charged. Call (361) 306-9515 for a free estimate, and you’ll get a written price before any work begins.
Why Dalton Heating & Air Is La Marque’s Preferred Heat Pump Installation Company
Dalton Heating & Air operates under The Garrison Standard, a code that has governed our parent company’s work since 2003. For La Marque homeowners, that translates to three things on every single job: arrive inside the stated window, put the price in writing before any work starts, and stand behind the installation for a full year. The 365-Day Done Right Promise means if something isn’t right within that year, we return and make it right at no charge. Not a 30-day courtesy. A full year.
Our technicians are background-checked, uniformed, and factory-trained to service Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard equipment. That matters in La Marque because half the homes we walk into have a mix of brands and retrofit work from previous owners. We don’t send a salesman. We send a tech who can read a subcooling gauge and a static pressure reading and tell you the truth about what your ductwork can actually support.
Every installation includes a written price before any work starts. No verbal ballpark that shifts when the crew arrives. No add-on surprises at the end. The Garrison Code is not a marketing pitch. It’s the operating instruction we’re held to on every job in La Marque.
Heat Pump Replacement in La Marque
Heat pump replacement in La Marque is a different job than it is in drier parts of Texas, because the system you’re removing was often sized for cooling only and the ductwork was never built to carry winter airflow. We quote the replacement only after a room-by-room load calculation and a static pressure check on the existing ducts. The price range for a full equipment-plus-install replacement here runs $3,500 to $7,500, and the difference between the low and high end comes down to SEER2 rating, brand, and whether the ductwork needs correction before the new unit goes in.
When Replacement Makes More Sense Than Repair
If your existing heat pump in La Marque is over 12 years old and needs a compressor or a coil, replacement is usually the better long-term call. You’re not paying to prop up an R-22 system with a refrigerant that’s been phased out and now costs more per pound than it should. A new 15-SEER2 or 16-SEER2 heat pump with a proper charge will also cut your summer cooling cost measurably, and in La Marque, summer can run six months.
The Load Calculation Step Most Quotes Skip
In La Marque, the winter design temperature sits near 30°F while summer design humidity pushes 75%. That means the heat pump spends far more hours moving moisture in shoulder season than it ever does fighting a deep freeze. When an installer sizes the equipment off the old AC tonnage instead of running a fresh load calculation, the system ends up short on winter BTU capacity and the backup heat strips cycle constantly. We run the numbers before we quote. No exceptions.
Mini Split Installation in La Marque
Mini split installation in La Marque is the cleanest answer for a lot of homes here, especially garages, sunrooms, converted porches, and older pier-and-beam houses where the existing ductwork is undersized or absent. A ductless mini split lets us condition a room without cutting new supply runs through a 1960s ceiling. Installed cost for a single-zone system typically falls inside the $3,500 to $7,500 range depending on capacity, and the outdoor unit sits on a small pad or wall bracket, not a big concrete slab.
Where Ductless Works Better Than a Ducted Replacement
Homes in the areas off Cedar Drive or along Vauthier Road often have a central system with one undersized return. When that’s the case, adding a mini split to a master bedroom or a converted garage costs less than rebuilding the return duct system, and it gives you zone control a central heat pump can’t match. We’ll tell you straight if your house is a better candidate for ductless than a full replacement.
Humidity Control and Shoulder Season Comfort
La Marque humidity runs high from April through October, and a mini split’s inverter-driven compressor holds temperature by running continuously at low speed rather than cycling on and off. That continuous run pulls more moisture out of the air. For a sunroom off the back of a house in Omega Bay or a bedroom over a garage, that’s the difference between a room that’s comfortable and one that feels clammy even when the thermostat reads 72.
Trusted Brands We Service in La Marque
We install and service Trane, Lennox, Goodman, and Rheem heat pumps, along with five other major residential brands. For La Marque homeowners, brand selection comes down to parts availability and what your budget and efficiency targets support. We keep common capacitors, contactors, motors, and refrigerant on our trucks, so a repair call to a home near Delany Road or Texas City Wye doesn’t mean a week waiting on a part. If you have a Goodman and want a Lennox, fine. We’ll size it properly, not just match what was there.
Common Heat Pump Installation Problems We See in La Marque Homes
- Undersized returns capping winter performance. Most La Marque homes’ ductwork was sized for cooling-only airflow. We routinely measure static pressure above 0.8 inches on the blower, which means the new 15-SEER2 unit you paid for is delivering worse-than-replacement efficiency because the ductwork can’t breathe.
- Backup heat strips running too often. When a heat pump is sized off old AC tonnage instead of a room-by-room load calculation, the system falls short on winter BTU capacity. The strips cycle constantly below 45°F and the electric bill shows it.
- Refrigerant charge set wrong for humidity. A tech who charges the system on a cool dry day without weighing in the charge will throw off subcooling. On a 93°F La Marque afternoon with 75% humidity, the condenser coil strains and the unit runs hotter than it should.
- Oversized equipment short-cycling. The old “one ton per 500 square feet” rule puts an oversized heat pump in a tight 1,800-square-foot house off FM 519. The unit satisfies the thermostat too fast, never runs long enough to dehumidify, and leaves the house cool but clammy.
Pricing for Heat Pump Installation in La Marque, TX
Heat pump work in La Marque falls into three ranges, and we quote every job in writing before it starts.
| Service | Typical La Marque Range |
|---|---|
| Heat pump replacement (equipment + install) | $3,500 – $7,500 |
| Heat pump repair (capacitor, refrigerant charge, controls) | $150 – $650 |
| System tune-up (heat pump, pre-season) | $80 – $200 |
What moves a replacement toward the top of the range: higher SEER2 equipment, ductwork correction, a new return drop, or line-set replacement. What keeps it near the bottom: a straight equipment swap with healthy ductwork and an accessible electrical panel. Call (361) 306-9515 and we’ll give you an exact number after a load calculation, not a guess from a satellite photo. Estimates are free.
We Also Serve Cities Near La Marque
Our crews handle heat pump work across the north Galveston County corridor. That includes Hitchcock, Texas City, Santa Fe, and Dickinson, with dispatch coordinated from our Houston office and technicians routed to La Marque daily. If your home sits near the La Marque city line, call us and we’ll confirm coverage. You can also see our full Heat Pump Installation service details or our La Marque hub page for more local information.
Serving La Marque, TX - Our Local Coverage Area
We’re based in the La Marque area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Heat Pump Installation in La Marque
Repair is the better spend when the heat pump is under 12 years old and the failure is a capacitor, contactor, fan motor, or a refrigerant charge issue, which in La Marque typically runs $150 to $650. Replacement makes sense when the compressor or indoor coil fails on an older R-22 system, because you’re putting expensive, phased-out refrigerant into a unit that’s already past its design life. If the repair cost approaches 50% of a new system, we’ll tell you that straight. Call (361) 306-9515 and we’ll diagnose it in person and put the options in writing.
A load calculation tells us the actual BTU load of your specific house, not a rule-of-thumb guess from square footage. In La Marque, where winter design temp sits near 30°F and summer humidity pushes 75%, that calculation changes the tonnage, the airflow requirements, and whether the existing ductwork can deliver what the new unit needs. Skip it and you may get a system that can’t pull moisture in August or can’t hold temperature in January. We run it on every quote, no exception.
For most La Marque homes, a 15-SEER2 to 16-SEER2 heat pump is the honest sweet spot. Higher ratings cost more upfront, and with our long cooling season, the efficiency gains are real, but the payback depends on your actual runtime and electric rate. Below 15-SEER2, you’re buying equipment that will cost you more to run every summer. We’ll show you the numbers for your house rather than pushing the highest sticker number.
Yes. The humidity here means the heat pump spends more hours removing latent heat than a system in Dallas or San Antonio, which changes how the refrigerant charge should be set and how much airflow matters. Undersized ductwork caps winter BTU delivery, and high static pressure quietly derates the efficiency of a new unit. In drier climates, some of these problems hide. In La Marque, they show up as a house that never feels right.
A mini split is the better answer when you’re conditioning a single space, like a converted garage, a sunroom, or a room over an unconditioned area, and the existing ductwork doesn’t reach it properly. It also works well for older homes where the central ducts are undersized and rebuilding them would blow past your budget. In La Marque’s humidity, the inverter-driven mini split’s continuous low-speed run pulls more moisture than a single-stage central unit. Call us at (361) 306-9515 and we’ll assess your layout and give you a straight recommendation.
If you’re considering a heat pump for your La Marque home, start with a real load calculation and a written price. Call Dalton Heating & Air at (361) 306-9515 and we’ll schedule the visit, measure the house, and put the number on paper before any work begins.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving La Marque with The Garrison Standard since 2003.







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