New HVAC for Bertram, Old Bones Included.
Bertram is really two towns sharing one highway. Near the depot stand early-1900s pier-and-beam houses built long before anyone cooled a room with a machine. At the edges are new subdivisions whose systems came off a builder’s order sheet. A good install in either one starts the same way: somebody measures the actual house before any equipment gets picked.
Houses
Every House Gets Its Own Read
No two installs on this route begin from the same assumption. A 1910 house on the old grid, a 1950s infill a few lots down, and a 1980s addition bolted onto either one all argue differently about where air can travel and how much of it the rooms need. So the work begins with a load calculation on your building: square footage, glass, insulation, which walls catch the afternoon sun, and how much outside air the place leaks. The result is a number for this house, and it often disagrees with the nameplate on whatever sits in the yard now.
That number matters because oversizing does real damage. A unit that is too big satisfies the thermostat fast and shuts off before it has pulled much moisture out of the air, and with lake-country humidity that leaves a house cool and clammy. It also starts and stops far more often than it was built to. A right-sized system runs longer, gentler cycles, dries the air, and keeps one room close to the next.
Ducts get looked at before equipment is chosen. On a new build that usually means checking runs a production crew laid in a hurry. In an old house it can mean deciding there should be no new ducts at all.
New rooftops keep going up as growth from Liberty Hill pushes this way, and many of those homes will need their first replacement sooner than their owners expect. Those systems were sized and ducted to a production schedule. When one gives out early, that is the moment to correct the sizing and the duct shortcuts together, while the attic is already open and the crew is already on site.
Buildings
Which Bertram House Are You Putting It In?
The stretch between the depot and the newest streets covers very different buildings. Here is how the install conversation shifts for each one.
Measure first, pick equipment second.
The house gets measured before any brand comes up. That free look is where a good install actually starts.
Install Day Changes With the Decade
The number you agreed to, startup readings included, is the number on the invoice.
A 1910 house on the old grid keeps most of the crew outside and underneath it. Line sets run up the siding or along the crawlspace, and each wall head is placed so it clears the window casings and the original trim. Before anything hangs from the floor framing, somebody crawls under and looks at the piers and beams it would hang from. Every head needs a condensate route too, and in a house that old the cleanest path usually drops through the floor to daylight instead of down the inside of a plaster wall.
A 1950s infill tends to be half old and half new. There is often a duct trunk under the floor or in a shallow attic, so the day begins with sealing and resizing the runs worth keeping before new equipment goes where the old furnace sat. A back bedroom that never got a supply run can take one ductless head instead of a new chase cut down the hallway.
A 1980s addition often gets treated as its own small job. Its equipment goes in separately, the main house keeps running the whole time, and the two halves stop fighting over one thermostat.
Out on ranchland, a property with a well and a propane tank adds the fuel side to the day. Where a gas furnace gets paired with a heat pump, the changeover point is set for that house and that tank instead of left at the factory setting. Anything that touches well water, a humidifier for one, gets plumbed where a scaled valve can be reached and swapped later without pulling equipment apart.
Finished installs from around the county are in the gallery, and if the phone is inconvenient, write to us instead.
Diamond Contractor
Top-tier Mitsubishi ductless installer, factory trained.
Second Generation
A family trade, and ten years on the tools.
Warranty Authorized
JB and Mitsubishi registrations filed for you.
Open 24 Hours
Somebody picks up at 2 AM, too.
Walls Stay Whole, and the Same Face Shows Up
Older houses get a specific promise. Nothing gets cut or drilled through a plaster wall or a shiplap ceiling until we have talked it over with you, including where a line set will show from the street. Some owners near the depot care about that more than anything else on the proposal, and they are right to.
The second promise is about who does the work. Off Duty is owner-operated, and the owner rides the truck, so the person who walked your rooms with a tape during the free look is usually the one on your porch when the equipment arrives. Questions asked in the kitchen on day one do not get lost between a salesman and an install crew, because there is no handoff to lose them in. A second-generation shop tends to run that way, and it is the part of the job people mention most when they call back years later about something else.
Questions
Before You Sign for a New System
Six questions that come up in nearly every Bertram replacement conversation.
Is ductless a good fit for an old pier-and-beam house?
Often it is the best fit. Houses on the rail-era grid were built long before central air, and pushing ductwork through them usually means opening plaster or shiplap, giving up closet space, or hanging runs in a crawlspace where they sweat and leak air. A Mitsubishi ductless system needs a small opening for each line set and puts conditioning right in the rooms that need it. Some houses still suit ducts better, depending on layout and what is already there, and we will say so when that is the case.
Can I replace my system with one the same size as the old unit?
You can, but the old size may have been a guess to begin with, especially in production-built homes where one tonnage often gets used across many floor plans. A fresh load calculation either confirms that size or catches a mismatch before you are locked into it for the life of the equipment. In older Bertram houses that have gained additions over the decades, the old number is even less likely to be right, because the building has changed since it was chosen.
My house is on a well and propane. Does that change what you install?
It can. Where a propane tank already serves the property, a gas furnace paired with a heat pump is worth comparing against an all-electric setup, since gas can carry the coldest hours. Hard well water matters for any equipment that uses it, such as a humidifier, which scales up quickly out here and has to be chosen and maintained with that in mind. None of this gets decided over the phone. We look at what is on the property and walk you through the options.
Do the ducts in a newer subdivision house need replacing?
Usually not entirely. Production ductwork tends to have predictable problems: runs crushed or kinked in the attic, joints never sealed, and returns too small for the equipment. Those get measured with static pressure and, in most cases, fixed with targeted repairs. Full replacement makes sense when the layout itself is wrong for the house. Either way, the ducts are evaluated before equipment is chosen, so a new system never gets hooked onto air paths that will choke it.
Why would you suggest a separate system for an addition?
Additions built in later decades were often tied onto the original system by extending a duct or two, and the equipment was never resized for the new square footage. The result is a room that always runs a few degrees off and a main system working harder than it should. A dedicated ductless system for the addition can fix that room without oversizing the whole house. Sometimes rebalancing the existing ducts is enough, and when it is, that is what we recommend.
Does the Mitsubishi Diamond Contractor credential matter to me?
It matters most when ductless is on the table. Diamond is the top contractor tier Mitsubishi offers, and holding it means factory training on how those systems are sized, mounted, and started up. It also means warranty claims go through a contractor Mitsubishi already knows. For a pier-and-beam house near the depot where ductless is the likely answer, that background shows in where the heads land and how cleanly the line sets run. On a ducted replacement it matters less, and we will tell you so.
Bertram homeowners also call us for AC repair, for AC maintenance before summer, for heat pump repair when a front comes through, and for emergency HVAC repair at odd hours, and there is more on installation across the service area along with finished jobs in the gallery.
Start With the House
Tell us what you live in and how it gets used, and we will set up a free look to measure it. Rather write it out? Send the form and we will call you back.
(512) 925-3090 Book a Free Look
