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956 Multi Service — HVAC contractor in Rio Grande City, TX
Street of owner-built block homes with room additions and wall-mounted mini-split condensers in B and E, TX

Starr County · ≈ 10 min (6 mi) from Rio Grande City

HVAC & AC Repair in B and E, TX

B and E is a compact neighborhood of owner-built homes just off US-83 east of Rio Grande City, and we handle the cooling for houses here as they add rooms over the years.

  • Serving Rio Grande City since 2024
  • 5.0★ from 41 Google reviews
  • Same-day repairs & installs when the schedule allows
  • Cash, cards & financing
  • All AC & mini-split brands

B and E sits about 10 minutes and six miles out on the east side of Rio Grande City. It is a small census-designated place that counted 489 people in 2020, packed into roughly a tenth of a square mile, so lots are tight and houses sit close together. Most homes here were built by the families who live in them and have grown one room at a time. That history is the reason so many B and E calls are about cooling a room the original system was never meant to reach.

Owner-built houses on tight lots south of US-83

B and E appeared on census maps before the 2010 count, when the old La Puerta census area was split and B and E and Garza-Salinas II became their own places. It sits a bit more than half a mile south of US-83, about a mile from FM 1430, with the Rio Grande under two miles away.

The homes follow a pattern seen across Starr County. A family starts with a block or frame house and a window unit or a small central system, then adds a bedroom, a bigger kitchen or a back room as money and time allow. The ductwork, if there is any, ends where the first house ended.

Newer stucco room addition joined to an original block house on a tight lot in B and E, TX
An addition built onto the side of an older block house, a common pattern on small lots.

Stretching that duct into the new space often fails quietly. The old unit was sized for fewer square feet, the extra run loses cold air in a hot attic, and the room farthest from the air handler stays warm. With summer highs near or above 100°F, that new bedroom can end up the hottest room in the house.

Water is the other tight-lot problem. Heavy rain like Hurricane Hanna's in July 2020 has few places to soak in when houses sit this close together. We set a new outdoor unit's pad a little above the surrounding grade and send the condensate line away from the foundation and the neighbor's fence, not into the narrow gap between them.

Flex duct in an attic that ends well short of a new room addition in a B and E home
The original duct run stops where the old house ended.

How a cooling visit for an addition works

We start inside: measure the new room, note windows and wall orientation, and check the attic for insulation. Then we look at the existing system's tonnage and condition to see if it has capacity to spare, which tells us whether ductwork changes are worth pricing at all.

If ductless makes more sense, we walk the outside wall with you to place the indoor head and the condenser. On tight lots that means checking the gap to the fence, where condensate will drain and how far the line set has to run. We talk through cost factors (unit size, line length, electrical work, pad and wall finish) before any work is scheduled.

Install day for a single-zone mini-split installation is often one visit: mount the head, drill and seal the wall, set the outdoor unit, run and cover the lines, pull a vacuum and start it up. New units now ship with lower-GWP refrigerants such as R-454B or R-32, and split-system central ACs sold in Texas under 45,000 Btu/h need at least 14.3 SEER2, which are the numbers worth comparing on any quote.

Ductless mini-split head mounted high on the wall of a new bedroom addition in B and E
One wall-mounted head can handle a single added room on its own thermostat.

Which services fit a home that keeps growing?

Ductless zones, careful duct decisions and the construction side of an addition are where most B and E work falls.

Technician leveling a mini-split mounting plate on a painted block wall during a mini-split installation in Rio Grande City, TX

Mini-Split Installation in B and E

B and E houses that gained a bedroom or back room often have ducts that stop at the original rooms, so a single-zone unit sized for the new room is usually the cleanest way to cool it.

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White wall-mounted ductless mini-split head cooling a bedroom in a concrete-block home in Rio Grande City, TX

Ductless Mini-Splits in B and E

Homes on this tenth of a square mile grew in stages, and many never had ducts planned for every room. Ductless heads, single or multi-zone, give each part of the house its own capacity and thermostat.

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Technician re-hanging a sagging flex duct with a support strap in a hot Rio Grande City attic

Ductwork in B and E

If the main unit in a B and E home has capacity to spare and the attic run to the addition is short, a sealed, insulated extension can still beat a new system; we check tonnage before pricing it.

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Concrete block room addition rising beside an existing home in Rio Grande City, TX

Home Construction & Remodeling in B and E

Families here build onto their own houses, often a room at a time. Our crew can help with the construction side and plan the circuit, wall opening, drain path and pad before the new walls close up.

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Torpedo level resting on a new concrete AC condenser pad beside a block home in Rio Grande City, TX

AC Condenser Pads in B and E

With about 4,900 residents per square mile, side yards in B and E are narrow. A small, level pad poured where the manufacturer's clearances fit keeps the new outdoor unit off bare caliche and away from the fence.

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Painter rolling a light exterior color onto a stucco block wall in morning shade in Rio Grande City, TX

House Painting in B and E

In B and E, an addition joined to an original block house rarely matches it in color. After the line set is covered and the wall penetration patched, our crew can paint the new section to match.

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Crew screeding a freshly poured concrete patio slab in bright morning light behind a block home in Rio Grande City, TX

Concrete Work in B and E

Owner-built additions in B and E usually need a new slab edge, steps or a level pad for the condenser, and pouring that concrete with the crew setting the mini-split keeps the whole addition on one schedule.

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Technician fastening a line set cover along a block wall for a mini-split in B and E, TX
Finishing the outside run so refrigerant lines are protected from sun and damage.

Six miles from the shop, off the US-83 corridor

B and E is on our regular east-side loop along with La Puerta, Garza-Salinas II and El Refugio. Mail here carries the city's 78582 ZIP and kids ride to Rio Grande City Grulla ISD campuses, so most households already make the trip into town every day.

FM 1430, the farm road that leaves US-83 at La Puerta and loops southeast through Garciasville, passes about a mile away, and Garza-Salinas II, the other half of the old La Puerta census area, is the next community over.

Between B and E and our Rio Grande City base

Drive north to US-83 and head west about six miles; the highway takes you straight into Rio Grande City.

Typical drive: about 10 min (6 mi)

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Because the drive is short, we can usually come out to measure an addition before you finalize the floor plan, which is the best time to decide where the cooling goes.

Questions about cooling a B and E room addition?

Can you add a mini-split to a new room addition in B and E?

Yes. We size the unit to the room's square footage, windows, insulation and which way the walls face, then pick a spot for the indoor head and the outdoor unit that keeps the line set short. If the addition is still being framed, it is easier to plan the wall opening, the electrical circuit and the condensate drain before drywall goes up. On B and E's tight lots we also measure the gap to the fence before choosing where the outdoor unit goes.

Is it better to extend my ducts or add a mini-split?

It depends on the system you already have. If the central unit is sized with room to spare and the attic run to the addition is short, a sealed extension can work. In B and E, where most houses were built by their owners in stages, older systems were usually sized for the original rooms only, so stretching them leaves both spaces warm. A mini-split adds its own capacity and its own thermostat.

Do you also help build the addition itself?

We do residential construction and improvement work as well as HVAC, including concrete, framing-related home repairs and painting. That lets one crew plan the room and its cooling together. Check with Starr County about permits for your project before work starts, and we can talk through scope and cost factors on a visit. B and E is about ten minutes from the shop, close enough to stop by while the addition is still framed.

Ready to book in B and E? We answer the phone ourselves.

Call (213) 423-7827

From our Google reviews

5.0 out of 5 from 41 Google reviews

“Installed 3 minisplits all of them working perfectly! Great price and good work. 💯 recommend this company for your needs!”
Jorge Velazquez5★ Google review · posted a year ago (as of Oct 2026)
“Excellent service was provided and installation was very quick, an amazing service experience from the technicians.”
Azalia Perez5★ Google review · posted a year ago (as of Oct 2026)

See all 41 reviewsRead them on Google

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Map of B and E, TX. Directions to 956 Multi Service are on our Google Business Profile.

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