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Ameristar Construction in San Antonio, TX | Mason Remodeling Co San Antonio
We provide independent Ameristar service across San Antonio, and the one thing that sets our work apart is this: we know how this city’s clay soil and 100°F summers stress Ameristar equipment in ways a generic service call won’t catch. Our crews have spent years tracking Ameristar’s residential construction line across San Antonio’s post-tension slab neighborhoods, learning exactly where the materials hold up and where heat and shifting ground push them past their limits. If you need Ameristar repair or replacement in San Antonio, call (254) 269-5071 for a free estimate.
We’re Mason Remodeling Co San Antonio, led by Isaac Pruett. We’re an independent Ameristar service provider, not a manufacturer affiliate or authorized dealer. That independence means we recommend what’s actually right for your home and your budget, whether that’s a $400 roof repair or a full system replacement. Learn more about our Ameristar sales & service expertise or jump straight to pricing below.
Why San Antonio Residents Choose Us for Ameristar Service

Isaac Pruett grew up in Los Angeles and learned construction fundamentals at Los Angeles Trade-Technical College before spending two decades swinging hammers across the Southwest. He and his crew have been working as a San Antonio General Contractor for years, from gut renovations near the King William Historic District to straightforward rebuilds in quiet neighborhoods across the city. Isaac is known for getting the scope of work right the first time, which means fewer surprises on the invoice and fewer callbacks after the job is done.
We bring that same precision to Ameristar equipment. We know the Silver Series heat pumps, the M4 gas furnaces, and the packaged rooftop units inside and out. We source genuine Ameristar OEM parts for critical components like control boards and thermostats. For sealed-system items like capacitors and contactors, we use high-quality aftermarket equivalents to keep repair costs reasonable. And because we work across the entire San Antonio service area, we keep common parts on hand for faster turnaround when the heat hits.
Every crew member who comes to your door is background-checked, identity-verified, and arrives in a clean marked uniform with a photo ID badge. You’ll get the technician’s name and photo before the visit. A written price comes before any work starts, and every completed project carries our 365-Day Done Right Promise: if something isn’t right within a year of completion, we make it right at no cost to you.
Styles & brands we work with







Common Ameristar Construction Problems We Solve in San Antonio
We see the same failure patterns repeat across San Antonio neighborhoods. Here’s what actually goes wrong with Ameristar equipment in this climate:
- Evaporator coil leaks on Ameristar heat pumps. San Antonio’s hard water and relentless summer runtime accelerate corrosion. We often find pinholes in the copper U-bends after 5 to 7 years. By the time you notice reduced cooling, the coil has usually been leaking for months.
- Capacitor failures on Silver Series outdoor units. The first 100°F heat wave of the season, usually late May or early June, triggers a spike in no-cool calls. Capacitors sit in direct sun on the side of the unit, and San Antonio’s UV exposure cooks them faster than in cooler climates.
- Condensate drain blockages. Dust and cottonwood are constant in older neighborhoods like Alamo Heights. Drains clog, water backs up, and the air handler pan overflows onto your ceiling or floor. We see water damage from this every summer.
- Compressor overheating on mismatched Ameristar pairs. Many 1970s slab homes across the north and west sides have undersized return air because post-tension cables restrict duct modifications. The compressor runs hot, works harder, and dies years early.
- Roof penetration failures. Ameristar packaged rooftop units and roof flashings take brutal UV exposure in San Antonio. Sealants crack, flashings lift, and leaks follow the first heavy rain after a long dry spell.
Ameristar Service in San Antonio: What Local Conditions Mean for Your Equipment

San Antonio is the largest U.S. city with a “flash drought” designation from the National Weather Service, meaning soil moisture can drop from normal to extreme in a matter of weeks. When that happens, the expansive clay under your slab shrinks fast. Slab edges settle. And an Ameristar outdoor unit that was perfectly level in May can be leaning two inches by August. That tilt strains refrigerant lines, stresses the compressor mounts, and can cause oil to pool where it shouldn’t, leading to premature compressor failure.
We saw this exact scenario on Broadbent Street in Terrell Hills. A 2018 Ameristar Silver Series heat pump sat on a pad that had tilted 2 inches over a single dry July. The condenser fan motor burned out from the lean, and the suction line had kinked against the slab. We leveled the pad with compacted base, replaced the fan motor, and re-piped the line set. The unit ran cool that evening. That’s the kind of San Antonio-specific repair a generic brand page won’t tell you about.
In neighborhoods like Alamo Heights and Terrell Hills, a 1950s pier-and-beam house can drop an inch just during a dry summer. Late August is when we see the most dramatic cracks appear overnight. For Ameristar owners, that means checking pad level and refrigerant line clearance before the worst of the heat, not after the compressor fails.
Ameristar Models & Products We Service in San Antonio
We service the full Ameristar residential and light commercial lineup: the Silver Series heat pumps, M4 series gas furnaces, packaged rooftop units, and Ameristar by American Standard HVAC systems. For critical components like control boards and thermostats, we use genuine Ameristar OEM parts. For wear items like capacitors and contactors, high-quality aftermarket equivalents keep your repair bill down without sacrificing reliability.
We keep common Silver Series and M4 parts stocked locally for faster San Antonio turnaround. When a system is over 12 years old with a major failure, we’ll walk you through the repair-versus-replace math honestly, factoring in San Antonio’s extreme duty cycle and what it means for the remaining life of the unit.
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AfterAmeristar Service Pricing in San Antonio

Here’s what Ameristar-related construction and Bathroom Remodeling in San Antonio typically costs. These ranges reflect what we see across the city’s mix of 1950s pier-and-beam homes, 1970s-90s slab houses, and newer construction:
| Service | Typical Cost Range in San Antonio |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Roof Repair | $400 – $1,800 |
| Metal Roof Installation | $15,000 – $40,000 |
| Tile Roof Repair | $600 – $2,500 |
What drives the cost: roof size, pitch, existing decking condition, and whether you’re on a post-tension slab where ground settling has pulled flashings loose. Your free estimate includes a written line-item quote before any work starts. Call (254) 269-5071 for an exact number, and we’ll put it in writing.
Serving San Antonio, TX - Our Local Coverage Area
We’re based in the San Antonio 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 – Ameristar Construction in San Antonio
It’s almost always a slow evaporator coil leak, not normal consumption. Refrigerant doesn’t get used up. If you’re adding refrigerant every year, there’s a pinhole leak somewhere, usually in the copper U-bends of the indoor coil. San Antonio’s hard water accelerates the corrosion. We find and repair the leak rather than just topping off the system. Call (254) 269-5071 and we’ll trace it properly.
Yes. We never cut or drill into a post-tension slab without a full cable map and X-ray scan. Most Ameristar repair work happens above the slab, on the unit itself, or at the roofline. When a job does require slab work, we locate the cables first and design around them. It’s standard practice for us in San Antonio’s 1970s-90s slab neighborhoods.
Yes, and it gets worse fast. A leaning unit strains refrigerant lines, stresses the compressor mounts, and causes the condenser fan to work against gravity. Left unchecked, it burns out fan motors and eventually kills the compressor. This is one of the most common San Antonio-specific failures we see, especially after a flash drought. We level the pad with compacted base and re-pipe any stressed lines. Call (254) 269-5071 for an inspection before it costs you a compressor.
In our experience, standard roof penetrations and flashings around Ameristar rooftop units last 8 to 12 years in San Antonio before the sealant breaks down from UV exposure. The intense sun here degrades roofing materials faster than in cooler or cloudier climates. We inspect flashings as part of every roof service and replace them before they leak. A $400 repair today beats a $4,000 ceiling replacement next spring.
It depends on the age of the furnace and what failed. A 10-year-old M4 furnace with a bad control board is usually worth repairing. A 20-year-old unit with a cracked heat exchanger is not. In pier-and-beam homes like those in Alamo Heights and Terrell Hills, we also look at the ductwork under the house, because disconnected or crushed ducts make a furnace work much harder than it should. We’ll give you honest numbers for both paths. Call (254) 269-5071 for a straight answer.
Service Areas Near San Antonio
We serve San Antonio and the surrounding communities, including Boerne, Selma, Terrell Hills, Cibolo, and Leon Valley. If you’re in a 1950s pier-and-beam house in Terrell Hills or a newer build in Cibolo, we know the local soil and housing stock. See our Ameristar service in Boerne and Ameristar service in Selma pages for more detail on those areas.
Book Your Ameristar Service in San Antonio Today
Know who’s coming, know what it costs, know it’s covered – that’s the whole job before the job starts. Call (254) 269-5071 to schedule your free Ameristar estimate in San Antonio. A live person answers, day or night.
Written by Isaac Pruett, Owner at Mason Remodeling Co San Antonio, serving San Antonio since 2004.











