When something stops working with the heating or cooling in your home, the next step is simple: one call, a few questions about the equipment and what it is doing, and somebody out to take a look. We serve Loyola and the surrounding area, and the process starts the same way every time. You describe the situation, we scope the job on the phone, confirm the price before anything is scheduled, and tell you exactly what the visit covers.
Loyola is a small town, and most of the homes here reflect that. Older equipment that has been running quietly for years, rooms that have always been a little too warm or too cool, and systems that have never had a proper look at them are the situations we see most often. Whether you are a homeowner trying to work out why the AC stopped keeping up, or a landlord managing a property that needs a system replaced, we handle it. Call us and we'll handle the rest.
Some calls turn out to have a simple answer, and knowing what to look at first can save time on both ends.
Start at the thermostat. Confirm it is set to the right mode, that the temperature is where you expect it, and that the display is active. A thermostat that has lost its settings, or one where the batteries have failed, can look like a system problem when it is not. If the thermostat looks fine, check the air filter. A filter that has not been changed in several months can restrict airflow enough to cause the system to struggle, short cycle, or shut down entirely.
From there, check that the supply switch near the air handler or furnace is in the on position. These are easy to knock accidentally, and a system that will not start is sometimes traced back to nothing more than that. If none of those point to the problem, that is what the visit is for. You do not need to know what is wrong before you call.
A system rated for high efficiency in a controlled test does not always deliver those numbers once it is installed and running in an actual home. The gap between the rated figure and what the property sees comes down to a handful of practical factors that the rating itself cannot account for.
Duct condition matters a great deal. A system losing conditioned air through leaking duct runs is working harder than it needs to, and the energy use climbs even as comfort stays flat. Equipment sizing matters too. A unit that is too large for the space short cycles, never running long enough to dehumidify properly or settle into efficient operation. One that is too small runs continuously without reaching the set temperature.
The age and condition of the evaporator coil and condenser also affect real-world performance. A coil that has not been cleaned, or a condenser operating in restricted airflow, loses efficiency gradually in ways that do not announce themselves as a breakdown. They show up as a higher energy bill and a system that does not feel as effective as it once did. That is worth addressing before it becomes a repair call.
The honest answer is that the price depends on what the fault turns out to be, what needs to be accessed to reach it, and whether a repair or a replacement is the better answer once the system has been assessed. Those three things move a quote more than anything else, and none of them can be settled before the visit.
What we can tell you on the phone is the service-call or diagnostic fee, what that visit covers, and what the scope looks like based on what you describe. The repair price is confirmed before any work proceeds. If the diagnostic turns up something beyond the original scope, we explain what was found and confirm the updated price before going further.
A few things that commonly affect where a quote lands:
Calling in with a description of what the system is doing gets you a clearer picture of what to expect before anyone comes out.
A property with no heating or no cooling is not a situation that waits for a convenient slot. We take short-notice calls and emergency calls for both residential and commercial properties, and we are open every day from 9:00 AM to 8:00 PM. The scope and the price are settled on the call before the visit is dispatched.
For tenants and businesses that have to stay open and operational, we work around what the property needs. The visit is planned so the impact on the space is as contained as possible, and the system is tested before the visit ends so the result is confirmed rather than assumed.
Clear answers. Real pricing. Real fast response.
A heat pump handles both heating and cooling from a single system, which makes it a practical answer for homes that are ready to move away from a gas furnace or that need to add cooling without installing two separate units. The regional push toward electrification has made heat pump quotes a common call from Loyola homes. The visit covers a load assessment, equipment selection across ducted and ductless options, and a full system test before the work is complete.
When one or more vents are barely moving air, the cause is usually in the duct system, the blower, or the filter rather than the equipment itself. Collapsed or disconnected duct runs, a blower running below capacity, and a filter so restricted it is blocking supply are the most common findings. Diagnosing airflow problems correctly means checking the full path from the air handler to the register, not just the unit.
Rooftop package units on small commercial properties in the area need the same diagnostic and maintenance attention as residential equipment, and the access and safety requirements are different. We handle repair, maintenance, and replacement for rooftop units, and the quote process is the same as for any other job: scope confirmed on the call, price agreed before work begins.
Standing water near an air handler or furnace almost always points to a condensate drain issue. A blocked or slow drain line causes the condensate pan to overflow, and the water ends up on the floor. Left unaddressed, it can damage the equipment, the surrounding structure, and anything stored nearby. Clearing the drain and checking the pan and float switch is a straightforward visit, and catching it early is worth more than addressing it after the damage is done.
An AC or heat pump that is low on refrigerant is not a system that just needs a top-up. Refrigerant does not deplete on its own, and adding charge without finding the leak means the same problem returns. A refrigerant visit covers leak detection across the coils, line set, and fittings, repair of the leak point, and a recharge to the manufacturer's specification. The system is tested through a full cycle before the visit closes.
A room that is always warmer or cooler than the rest of the house is one of the most common complaints we hear, and it rarely has a single cause. Duct leaks that bypass certain runs, a return air path that is blocked or undersized, equipment that was never sized correctly for the whole home, and a thermostat placed in a spot that does not reflect the actual conditions are all contributors. Working through the problem means checking each of them rather than assuming the answer.
We serve Loyola and the surrounding communities throughout Santa Clara County. That includes Los Altos, Los Altos Hills, Mountain View, Cupertino, and Palo Alto. Residential and commercial properties across the area are within our service range. If you want to confirm your address is covered before booking, a quick call settles it.
Work is carried out to code on every job, and the scope is settled before anything starts. If you would rather read than call, our services page has the detail.
A no-heat situation is treated as an emergency, and we handle those calls with the same urgency as a no-cool call in summer. The scope and price are confirmed on the call before the visit is dispatched, and the system is diagnosed as soon as access is available.
There will be a period during the installation day when the system is offline. We plan the work to keep that window as short as possible, and the scope and expected timeline are confirmed before the job is scheduled so you can plan around it.
Yes. We work on small commercial buildings in Loyola and the surrounding area, including properties with rooftop package units. The process is the same as for residential work: the scope is confirmed on the call, the price is agreed before anything starts, and the system is tested before the visit ends.
Property managers and building owners can reach us at (650) 955-4592 any day from 9:00 AM to 8:00 PM.
It depends on the existing structure and whether there is any ductwork already in place. Homes with no ducts, or with duct runs that are undersized or in poor condition, are often good candidates for a ductless mini-split because the installation avoids adding new duct runs entirely. Homes with serviceable existing ductwork may be better suited to a ducted central air installation. We assess both options on the call and walk through the tradeoffs before anything is quoted.
Yes. Clear notes on what was found and what was done accompany every visit. If the invoice and service record need to go to the property owner or management company rather than the tenant, that is arranged when the job is booked.
Yes. If the fault has a preventable cause, such as a filter that was not changed often enough or a drainage line that was not cleared, we explain what contributed to it and what to watch for going forward.
Call (650) 955-4592 and describe what the equipment is doing.
We will ask about the system type, what it is or is not doing, and how long the situation has been going on. By the end of the call, you will have a price for the visit, a clear picture of what it covers, and a time on the calendar. We are open every day from 9:00 AM to 8:00 PM.
One call. One clear diagnosis. One price, agreed first.
That is what calling Los Altos HVAC Company gets you, whether the system went down this morning or you have been putting off a quote for a new install.
We take heating and cooling work in these nearby communities as well: Los Altos Hills, Stanford, Saratoga, Atherton, Campbell. Have a look at our full service area.
Whether you are dealing with a system that stopped working this morning or planning a seasonal tune-up before temperatures shift, we cover the full range of residential and commercial heating-and-cooling work across Loyola and Santa Clara County. The table below lays out what each service covers, who it fits best, and a practical note to help you decide where to start. Call us with any question and we will scope the job on the phone before anything is scheduled.
| Service Type | What It Covers | Common Needs | Things to Know |
|---|---|---|---|
| Ductwork Repair & Sealing | Duct inspection and leak detection, Sealing or repair where needed, Airflow assessment after sealing, Identification of rooms with uneven coverage | Homes with uneven room temperatures, a system that runs constantly, or a spike in energy bills without an obvious equipment cause | Fixing leaking ducts often makes a bigger difference to comfort and energy use than adjusting the equipment itself. |
| Full System Installation & ReplacementMost Popular | Load calculation for the space, Equipment selection based on actual building needs, Full installation scope breakdown, System tested before visit closes | Homes or commercial spaces where repair costs have climbed or efficiency has dropped enough to show up in energy bills | A load calculation sizes the new system to the building rather than matching the old unit. Oversized equipment short-cycles and undersized equipment runs constantly. |
| Thermostat & Smart-Control Installation | Compatibility check with existing system, Wiring and installation, Calibration of the new control, Full system cycle test before leaving | Homeowners upgrading to a programmable or smart thermostat, or replacing a control that reads temperature incorrectly | Not every smart thermostat is compatible with every system. We check before ordering so the installation goes cleanly. |
Call us at (650) 955-4592 to talk through your system, get a straight answer on pricing, and schedule service that fits your timeline.