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An oversized or undersized system installed without a real load calculation will short-cycle or never keep up, no matter how good the equipment is. Every quote starts with a real Manual J assessment, not a tonnage guess.
Many comfort issues go back to sizing decisions made years earlier. We run a room-by-room load calculation, inspect ductwork, and check electrical capacity before quoting equipment, every time.
The details that separate a proper install from a quick swap.
The quote follows the math, not the other way around.
The paperwork gets filed and the work meets current Sunol, CA building code, not a shortcut version.
Our labor carries its own written guarantee independent of what the manufacturer promises on parts.
We check what's already running through the walls before assuming it'll work fine with new equipment.
A real walkthrough, not a stack of paperwork.
From assessment to final inspection.
We measure insulation, window exposure, orientation, and square footage.
Recommendations are based on your actual load numbers, not the highest-margin unit.
We test and correct ductwork.
We confirm the home can support the new system.
Includes equipment placement, line sets, drainage, and startup commissioning.
Documented and code-compliant, useful if you sell the property.
Four steps from assessment to a properly sized system.
An in-person assessment gets scheduled.
A tech shows up with load calculation tools and measures the property.
The quote reflects real load numbers, with a few efficiency tiers to choose from.
We install, commission, and back the labor with a written warranty.
Recent reviews from full system installs.
Adding a home addition meant our old system couldn't cover the extra square footage. They recalculated the whole house load instead of just adding a mini-split and hoping.
— O.Achterberg, homeowner
Historic home with plaster walls that make duct modifications tricky. They found routes through existing chases instead of cutting into walls we wanted to preserve.
— I. Constantinou, homeowner
Home office recording setup needed a quiet system, and they specifically sized and placed equipment to keep noise down in that room.
— U. Nnamdi, remote worker
Multi-generational household with very different temperature preferences upstairs versus down. Proper zoning during install solved an argument that had been going on for years.
— E. Malinowski, homeowner
Basement apartment conversion needed its own independent system separate from the main house, and they designed the whole thing around that specific requirement instead of trying to tie into the existing ductwork.
— F. Castellucci, homeowner
What people usually ask before installing.
Matching the old tonnage isn't the same as sizing it correctly.
Most residential installs finish in one to two days depending on ductwork.
We take care of pulling and filing the paperwork ourselves so it's not one more thing on your plate.
Labor is warrantied separately from manufacturer coverage.
Undersized ductwork gets caught during the assessment and corrected before the new system ever gets connected to it.
Options covered at the quote stage.
We show you before we go.
Yes, most homeowners find it useful to see which rooms and factors are being measured.
Yes, filter changes, thermostat use, and what to watch for all get covered before we leave.
Installation service covers Sunol and surrounding Sunol, CA zips below — call to schedule.
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